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_smtcomp.epf -i ../../../trunk/examples/svcomp/array-memsafety/add_last-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 05:19:32,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 05:19:32,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 05:19:32,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 05:19:32,936 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 05:19:32,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 05:19:32,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 05:19:32,940 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 05:19:32,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 05:19:32,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 05:19:32,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 05:19:32,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 05:19:32,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 05:19:32,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 05:19:32,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 05:19:32,949 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 05:19:32,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 05:19:32,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 05:19:32,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 05:19:32,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 05:19:32,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-25 05:19:32,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-25 05:19:32,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-25 05:19:32,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-25 05:19:32,960 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-25 05:19:32,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-25 05:19:32,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-25 05:19:32,962 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-25 05:19:32,962 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-25 05:19:32,962 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 05:19:32,963 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 05:19:32,963 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_smtcomp.epf [2018-01-25 05:19:32,971 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 05:19:32,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 05:19:32,972 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 05:19:32,972 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 05:19:32,973 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 05:19:32,973 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 05:19:32,973 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 05:19:32,973 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 05:19:32,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 05:19:32,973 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 05:19:32,974 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 05:19:32,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 05:19:32,975 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 05:19:32,975 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 05:19:32,975 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 05:19:32,975 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 05:19:32,975 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 05:19:32,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 05:19:32,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 05:19:32,976 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 05:19:32,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 05:19:32,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 05:19:32,976 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-25 05:19:32,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 05:19:32,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 05:19:32,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 05:19:32,977 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-25 05:19:32,977 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 05:19:32,978 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 05:19:33,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 05:19:33,021 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 05:19:33,024 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 05:19:33,025 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 05:19:33,025 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 05:19:33,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/add_last-alloca_true-valid-memsafety_true-termination.i [2018-01-25 05:19:33,207 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 05:19:33,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 05:19:33,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 05:19:33,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 05:19:33,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 05:19:33,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5054e5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33, skipping insertion in model container [2018-01-25 05:19:33,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,237 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 05:19:33,273 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 05:19:33,390 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 05:19:33,407 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 05:19:33,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33 WrapperNode [2018-01-25 05:19:33,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 05:19:33,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 05:19:33,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 05:19:33,417 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 05:19:33,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (1/1) ... [2018-01-25 05:19:33,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 05:19:33,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 05:19:33,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 05:19:33,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 05:19:33,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (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 [2018-01-25 05:19:33,504 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 05:19:33,504 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 05:19:33,504 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 05:19:33,504 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 05:19:33,504 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 05:19:33,504 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 05:19:33,505 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 05:19:33,505 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 05:19:33,505 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 05:19:33,505 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 05:19:33,505 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 05:19:33,505 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 05:19:33,696 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 05:19:33,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 05:19:33 BoogieIcfgContainer [2018-01-25 05:19:33,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 05:19:33,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-25 05:19:33,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-25 05:19:33,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-25 05:19:33,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 05:19:33" (1/3) ... [2018-01-25 05:19:33,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355b6929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 05:19:33, skipping insertion in model container [2018-01-25 05:19:33,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 05:19:33" (2/3) ... [2018-01-25 05:19:33,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355b6929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 05:19:33, skipping insertion in model container [2018-01-25 05:19:33,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 05:19:33" (3/3) ... [2018-01-25 05:19:33,703 INFO L105 eAbstractionObserver]: Analyzing ICFG add_last-alloca_true-valid-memsafety_true-termination.i [2018-01-25 05:19:33,710 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-25 05:19:33,716 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-01-25 05:19:33,760 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-25 05:19:33,760 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-25 05:19:33,761 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-25 05:19:33,761 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-25 05:19:33,761 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-25 05:19:33,761 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-25 05:19:33,761 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-25 05:19:33,761 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-25 05:19:33,762 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-25 05:19:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-01-25 05:19:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-25 05:19:33,782 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:33,782 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:33,783 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:33,788 INFO L82 PathProgramCache]: Analyzing trace with hash 756039163, now seen corresponding path program 1 times [2018-01-25 05:19:33,791 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:33,835 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:33,836 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:33,836 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:33,836 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:33,893 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:34,003 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 05:19:34,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 05:19:34,003 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 05:19:34,006 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 05:19:34,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 05:19:34,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-25 05:19:34,024 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 5 states. [2018-01-25 05:19:34,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:34,171 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-01-25 05:19:34,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 05:19:34,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-01-25 05:19:34,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:34,250 INFO L225 Difference]: With dead ends: 46 [2018-01-25 05:19:34,250 INFO L226 Difference]: Without dead ends: 30 [2018-01-25 05:19:34,254 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 [2018-01-25 05:19:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-25 05:19:34,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-01-25 05:19:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-01-25 05:19:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2018-01-25 05:19:34,291 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 12 [2018-01-25 05:19:34,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:34,291 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2018-01-25 05:19:34,291 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 05:19:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-01-25 05:19:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-25 05:19:34,292 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:34,292 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:34,292 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:34,292 INFO L82 PathProgramCache]: Analyzing trace with hash 756039164, now seen corresponding path program 1 times [2018-01-25 05:19:34,292 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:34,293 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,293 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:34,294 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,294 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:34,310 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:34,422 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 05:19:34,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-25 05:19:34,422 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 05:19:34,424 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 05:19:34,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 05:19:34,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-25 05:19:34,425 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 6 states. [2018-01-25 05:19:34,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:34,664 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-01-25 05:19:34,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-25 05:19:34,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-01-25 05:19:34,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:34,666 INFO L225 Difference]: With dead ends: 48 [2018-01-25 05:19:34,666 INFO L226 Difference]: Without dead ends: 45 [2018-01-25 05:19:34,667 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 [2018-01-25 05:19:34,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-01-25 05:19:34,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2018-01-25 05:19:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-25 05:19:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2018-01-25 05:19:34,678 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 12 [2018-01-25 05:19:34,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:34,678 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2018-01-25 05:19:34,678 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 05:19:34,678 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2018-01-25 05:19:34,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-25 05:19:34,679 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:34,679 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:34,679 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:34,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1962282239, now seen corresponding path program 1 times [2018-01-25 05:19:34,680 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:34,681 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,681 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:34,681 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,681 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:34,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:34,718 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 05:19:34,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 05:19:34,718 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 05:19:34,718 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 05:19:34,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 05:19:34,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 05:19:34,719 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand 4 states. [2018-01-25 05:19:34,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:34,750 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-01-25 05:19:34,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 05:19:34,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-01-25 05:19:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:34,752 INFO L225 Difference]: With dead ends: 39 [2018-01-25 05:19:34,752 INFO L226 Difference]: Without dead ends: 35 [2018-01-25 05:19:34,752 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 [2018-01-25 05:19:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-25 05:19:34,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-25 05:19:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-25 05:19:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2018-01-25 05:19:34,758 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 13 [2018-01-25 05:19:34,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:34,759 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2018-01-25 05:19:34,759 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 05:19:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-01-25 05:19:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-25 05:19:34,760 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:34,760 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:34,760 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:34,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1962377572, now seen corresponding path program 1 times [2018-01-25 05:19:34,760 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:34,761 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,761 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:34,761 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,761 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:34,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:34,861 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 05:19:34,861 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 05:19:34,861 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 05:19:34,861 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 05:19:34,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 05:19:34,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 05:19:34,862 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 5 states. [2018-01-25 05:19:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:34,903 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-01-25 05:19:34,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 05:19:34,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-01-25 05:19:34,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:34,904 INFO L225 Difference]: With dead ends: 35 [2018-01-25 05:19:34,904 INFO L226 Difference]: Without dead ends: 33 [2018-01-25 05:19:34,905 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 [2018-01-25 05:19:34,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-01-25 05:19:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-01-25 05:19:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-01-25 05:19:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-01-25 05:19:34,911 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 13 [2018-01-25 05:19:34,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:34,912 INFO L432 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-01-25 05:19:34,912 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 05:19:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-01-25 05:19:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-25 05:19:34,912 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:34,913 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:34,913 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:34,913 INFO L82 PathProgramCache]: Analyzing trace with hash -676062270, now seen corresponding path program 1 times [2018-01-25 05:19:34,913 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:34,914 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,914 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:34,914 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:34,914 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:34,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:34,983 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 05:19:34,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 05:19:34,983 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 05:19:34,983 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 05:19:34,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 05:19:34,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 05:19:34,984 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 4 states. [2018-01-25 05:19:35,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:35,018 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-01-25 05:19:35,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 05:19:35,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-01-25 05:19:35,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:35,019 INFO L225 Difference]: With dead ends: 33 [2018-01-25 05:19:35,020 INFO L226 Difference]: Without dead ends: 28 [2018-01-25 05:19:35,020 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 [2018-01-25 05:19:35,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-01-25 05:19:35,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-01-25 05:19:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-01-25 05:19:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-01-25 05:19:35,025 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 18 [2018-01-25 05:19:35,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:35,026 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-01-25 05:19:35,026 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 05:19:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-01-25 05:19:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-25 05:19:35,027 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:35,027 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:35,027 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:35,027 INFO L82 PathProgramCache]: Analyzing trace with hash 236614827, now seen corresponding path program 1 times [2018-01-25 05:19:35,027 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:35,028 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:35,029 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:35,029 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:35,029 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:35,045 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:35,253 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 05:19:35,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-25 05:19:35,253 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 05:19:35,254 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-25 05:19:35,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-25 05:19:35,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-01-25 05:19:35,254 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 8 states. [2018-01-25 05:19:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:35,435 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-01-25 05:19:35,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-25 05:19:35,435 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-01-25 05:19:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:35,436 INFO L225 Difference]: With dead ends: 49 [2018-01-25 05:19:35,436 INFO L226 Difference]: Without dead ends: 28 [2018-01-25 05:19:35,436 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 [2018-01-25 05:19:35,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-01-25 05:19:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-01-25 05:19:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-01-25 05:19:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-01-25 05:19:35,462 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 20 [2018-01-25 05:19:35,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:35,462 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-01-25 05:19:35,462 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-25 05:19:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-01-25 05:19:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-25 05:19:35,463 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:35,463 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:35,463 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:35,464 INFO L82 PathProgramCache]: Analyzing trace with hash -774502423, now seen corresponding path program 1 times [2018-01-25 05:19:35,464 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:35,465 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:35,465 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:35,465 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:35,465 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:35,482 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:35,769 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:35,769 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:19:35,770 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2018-01-25 05:19:35,772 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [10], [12], [13], [19], [23], [25], [27], [28], [35], [36], [39], [42], [45], [54], [55], [56] [2018-01-25 05:19:35,821 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 05:19:35,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 05:19:39,909 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 05:19:39,911 INFO L268 AbstractInterpreter]: Visited 19 different actions 41 times. Merged at 9 different actions 22 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-01-25 05:19:39,928 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-25 05:19:39,928 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:39,928 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 [2018-01-25 05:19:39,942 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:39,942 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-25 05:19:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:39,977 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:40,062 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 [2018-01-25 05:19:40,063 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,083 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,083 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-01-25 05:19:40,162 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 [2018-01-25 05:19:40,170 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 [2018-01-25 05:19:40,170 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,182 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. [2018-01-25 05:19:40,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:40 [2018-01-25 05:19:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:40,311 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:40,406 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-25 05:19:40,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,416 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 [2018-01-25 05:19:40,420 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 [2018-01-25 05:19:40,421 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,446 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 [2018-01-25 05:19:40,487 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,497 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,508 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,508 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:55, output treesize:36 [2018-01-25 05:19:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:40,603 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:40,603 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 [2018-01-25 05:19:40,607 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:40,607 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-25 05:19:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:40,639 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:40,644 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-25 05:19:40,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,650 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-01-25 05:19:40,654 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 [2018-01-25 05:19:40,674 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 [2018-01-25 05:19:40,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,690 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. [2018-01-25 05:19:40,690 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:40 [2018-01-25 05:19:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:40,735 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:40,746 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-25 05:19:40,747 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,766 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 [2018-01-25 05:19:40,771 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 [2018-01-25 05:19:40,771 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,823 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 [2018-01-25 05:19:40,824 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:40,841 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:40,854 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:55, output treesize:36 [2018-01-25 05:19:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:40,872 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 05:19:40,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9] total 24 [2018-01-25 05:19:40,872 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 05:19:40,873 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-25 05:19:40,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-25 05:19:40,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2018-01-25 05:19:40,874 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 18 states. [2018-01-25 05:19:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:41,202 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-01-25 05:19:41,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-25 05:19:41,203 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 20 [2018-01-25 05:19:41,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:41,203 INFO L225 Difference]: With dead ends: 40 [2018-01-25 05:19:41,204 INFO L226 Difference]: Without dead ends: 37 [2018-01-25 05:19:41,204 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2018-01-25 05:19:41,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-25 05:19:41,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2018-01-25 05:19:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-25 05:19:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-01-25 05:19:41,210 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20 [2018-01-25 05:19:41,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:41,210 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-01-25 05:19:41,210 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-25 05:19:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-01-25 05:19:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-25 05:19:41,211 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:41,211 INFO L322 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:41,211 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:41,211 INFO L82 PathProgramCache]: Analyzing trace with hash 476184984, now seen corresponding path program 2 times [2018-01-25 05:19:41,211 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:41,212 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:41,212 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:19:41,212 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:41,212 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:41,235 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:41,648 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 59 DAG size of output 34 [2018-01-25 05:19:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:41,836 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:41,836 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:19:41,836 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-25 05:19:41,836 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-25 05:19:41,837 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:41,837 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 [2018-01-25 05:19:41,848 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-25 05:19:41,848 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-25 05:19:41,861 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:41,869 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:41,875 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:41,878 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:41,883 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 [2018-01-25 05:19:41,883 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:41,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:41,888 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:41,908 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 [2018-01-25 05:19:41,910 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 [2018-01-25 05:19:41,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:41,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:41,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:41,920 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:41,956 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 [2018-01-25 05:19:41,998 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 [2018-01-25 05:19:41,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:42,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:42,010 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. [2018-01-25 05:19:42,011 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:19:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:42,096 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:42,235 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 41 treesize of output 37 [2018-01-25 05:19:42,242 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 [2018-01-25 05:19:42,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,252 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 [2018-01-25 05:19:42,261 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 [2018-01-25 05:19:42,262 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,267 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,270 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 [2018-01-25 05:19:42,278 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 [2018-01-25 05:19:42,278 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,285 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,291 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 [2018-01-25 05:19:42,310 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 [2018-01-25 05:19:42,310 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,341 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 [2018-01-25 05:19:42,342 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,356 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:42,363 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 [2018-01-25 05:19:42,382 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 [2018-01-25 05:19:42,382 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,399 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 [2018-01-25 05:19:42,400 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,443 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:42,445 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 [2018-01-25 05:19:42,456 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 [2018-01-25 05:19:42,456 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,462 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,469 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 [2018-01-25 05:19:42,502 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 [2018-01-25 05:19:42,503 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,519 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 [2018-01-25 05:19:42,519 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,534 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 [2018-01-25 05:19:42,534 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,545 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:42,552 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 [2018-01-25 05:19:42,572 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 [2018-01-25 05:19:42,573 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,604 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 [2018-01-25 05:19:42,604 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,619 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:42,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-25 05:19:42,656 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 3 variables, input treesize:95, output treesize:131 [2018-01-25 05:19:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:42,821 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:42,821 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 [2018-01-25 05:19:42,826 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-25 05:19:42,827 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-25 05:19:42,843 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:42,860 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:42,879 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:42,884 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:42,887 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 [2018-01-25 05:19:42,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,909 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:42,949 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 [2018-01-25 05:19:42,952 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 [2018-01-25 05:19:42,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:42,968 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:42,974 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 [2018-01-25 05:19:42,984 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 [2018-01-25 05:19:42,985 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:42,990 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:43,001 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. [2018-01-25 05:19:43,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:19:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:43,041 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:43,085 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 [2018-01-25 05:19:43,093 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 [2018-01-25 05:19:43,094 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,104 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 [2018-01-25 05:19:43,114 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 [2018-01-25 05:19:43,114 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,120 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,123 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 [2018-01-25 05:19:43,130 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 [2018-01-25 05:19:43,131 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,138 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,144 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 [2018-01-25 05:19:43,162 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 [2018-01-25 05:19:43,162 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,176 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 [2018-01-25 05:19:43,177 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,189 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 [2018-01-25 05:19:43,190 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,200 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:43,206 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 [2018-01-25 05:19:43,223 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 [2018-01-25 05:19:43,224 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,240 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 [2018-01-25 05:19:43,241 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,266 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:43,268 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 [2018-01-25 05:19:43,277 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 [2018-01-25 05:19:43,277 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,283 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,289 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 [2018-01-25 05:19:43,309 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 [2018-01-25 05:19:43,310 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,325 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 [2018-01-25 05:19:43,325 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,348 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:43,354 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 [2018-01-25 05:19:43,373 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 [2018-01-25 05:19:43,374 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,403 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 [2018-01-25 05:19:43,404 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:43,420 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:43,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-25 05:19:43,458 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 3 variables, input treesize:95, output treesize:131 [2018-01-25 05:19:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:43,564 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 05:19:43,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10, 9, 11] total 27 [2018-01-25 05:19:43,565 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 05:19:43,565 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-01-25 05:19:43,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-01-25 05:19:43,565 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2018-01-25 05:19:43,566 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 16 states. [2018-01-25 05:19:43,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:43,896 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-01-25 05:19:43,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-25 05:19:43,897 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-01-25 05:19:43,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:43,898 INFO L225 Difference]: With dead ends: 48 [2018-01-25 05:19:43,898 INFO L226 Difference]: Without dead ends: 45 [2018-01-25 05:19:43,898 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 85 SyntacticMatches, 10 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=254, Invalid=936, Unknown=0, NotChecked=0, Total=1190 [2018-01-25 05:19:43,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-01-25 05:19:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2018-01-25 05:19:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-25 05:19:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-01-25 05:19:43,905 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 28 [2018-01-25 05:19:43,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:43,905 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-01-25 05:19:43,905 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-01-25 05:19:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-01-25 05:19:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-25 05:19:43,906 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:43,907 INFO L322 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:43,907 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:43,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1767056313, now seen corresponding path program 3 times [2018-01-25 05:19:43,907 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:43,908 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:43,908 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-25 05:19:43,908 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:43,908 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:43,930 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:44,475 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:44,475 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:19:44,475 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-25 05:19:44,476 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-25 05:19:44,476 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:44,476 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 [2018-01-25 05:19:44,481 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-25 05:19:44,481 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-01-25 05:19:44,489 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:44,493 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:44,496 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:44,501 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:44,502 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:44,506 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:44,510 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 [2018-01-25 05:19:44,511 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:44,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:44,515 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:44,574 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 [2018-01-25 05:19:44,580 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 [2018-01-25 05:19:44,581 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:44,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:44,590 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. [2018-01-25 05:19:44,591 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2018-01-25 05:19:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:44,706 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:44,801 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 [2018-01-25 05:19:44,803 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 [2018-01-25 05:19:44,803 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:44,814 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 [2018-01-25 05:19:44,814 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:44,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:44,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:44,827 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:34, output treesize:48 [2018-01-25 05:19:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:44,996 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:44,996 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 [2018-01-25 05:19:44,999 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-25 05:19:44,999 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-01-25 05:19:45,011 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:45,022 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:45,042 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:45,078 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-25 05:19:45,115 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:45,121 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:45,125 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 [2018-01-25 05:19:45,125 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,128 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:45,141 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 [2018-01-25 05:19:45,142 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 [2018-01-25 05:19:45,143 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,150 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:45,159 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 [2018-01-25 05:19:45,162 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 [2018-01-25 05:19:45,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,170 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:45,173 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 [2018-01-25 05:19:45,179 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 [2018-01-25 05:19:45,179 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:45,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:45,188 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. [2018-01-25 05:19:45,188 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2018-01-25 05:19:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:45,212 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:45,822 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 [2018-01-25 05:19:45,823 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 [2018-01-25 05:19:45,824 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,832 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 [2018-01-25 05:19:45,834 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 [2018-01-25 05:19:45,845 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:45,851 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 [2018-01-25 05:19:45,852 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:45,866 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:45,873 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 [2018-01-25 05:19:45,874 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:45,876 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:45,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-01-25 05:19:45,878 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,890 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:45,897 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,904 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 [2018-01-25 05:19:45,906 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 82 treesize of output 75 [2018-01-25 05:19:45,926 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:45,928 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2018-01-25 05:19:45,928 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:45,930 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:45,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 49 [2018-01-25 05:19:45,938 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:45,939 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:45,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2018-01-25 05:19:45,947 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:45,962 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,004 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 [2018-01-25 05:19:46,104 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:46,111 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 [2018-01-25 05:19:46,112 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:46,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:46,138 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 [2018-01-25 05:19:46,139 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:46,160 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,167 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,198 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 [2018-01-25 05:19:46,200 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 [2018-01-25 05:19:46,205 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:46,206 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 [2018-01-25 05:19:46,206 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,207 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,214 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,216 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 [2018-01-25 05:19:46,218 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 [2018-01-25 05:19:46,230 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:46,235 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 [2018-01-25 05:19:46,236 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:46,238 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:46,240 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 [2018-01-25 05:19:46,240 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,242 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:46,247 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 [2018-01-25 05:19:46,248 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:46,258 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,263 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:46,282 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-25 05:19:46,282 INFO L202 ElimStorePlain]: Needed 24 recursive calls to eliminate 10 variables, input treesize:123, output treesize:83 [2018-01-25 05:19:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:46,464 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 05:19:46,464 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11, 11, 14] total 39 [2018-01-25 05:19:46,464 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 05:19:46,465 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-01-25 05:19:46,465 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-01-25 05:19:46,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1325, Unknown=0, NotChecked=0, Total=1560 [2018-01-25 05:19:46,466 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 19 states. [2018-01-25 05:19:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:46,903 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-01-25 05:19:46,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-25 05:19:46,904 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-01-25 05:19:46,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:46,905 INFO L225 Difference]: With dead ends: 56 [2018-01-25 05:19:46,905 INFO L226 Difference]: Without dead ends: 53 [2018-01-25 05:19:46,906 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 100 SyntacticMatches, 16 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=433, Invalid=1919, Unknown=0, NotChecked=0, Total=2352 [2018-01-25 05:19:46,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-01-25 05:19:46,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-01-25 05:19:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-25 05:19:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-01-25 05:19:46,911 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 36 [2018-01-25 05:19:46,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:46,911 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-01-25 05:19:46,911 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-01-25 05:19:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-01-25 05:19:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-25 05:19:46,912 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:46,912 INFO L322 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:46,913 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:46,913 INFO L82 PathProgramCache]: Analyzing trace with hash -934963210, now seen corresponding path program 4 times [2018-01-25 05:19:46,913 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:46,914 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:46,914 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-25 05:19:46,914 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:46,914 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:46,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:47,130 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 18 DAG size of output 11 [2018-01-25 05:19:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:47,539 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:47,539 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:19:47,539 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-25 05:19:47,539 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-25 05:19:47,539 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:47,539 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 [2018-01-25 05:19:47,544 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-25 05:19:47,544 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-01-25 05:19:47,562 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:47,565 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:47,569 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 [2018-01-25 05:19:47,569 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:47,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:47,573 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:47,644 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 [2018-01-25 05:19:47,649 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 [2018-01-25 05:19:47,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:47,652 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:47,661 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. [2018-01-25 05:19:47,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:19:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:47,736 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:47,797 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 [2018-01-25 05:19:47,798 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 31 treesize of output 29 [2018-01-25 05:19:47,799 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:47,818 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 [2018-01-25 05:19:47,819 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:47,828 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:47,832 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 [2018-01-25 05:19:47,834 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 22 [2018-01-25 05:19:47,834 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:47,852 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 [2018-01-25 05:19:47,853 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:47,861 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:47,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-25 05:19:47,879 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:63, output treesize:83 [2018-01-25 05:19:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:48,137 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:48,137 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 [2018-01-25 05:19:48,142 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-25 05:19:48,142 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-01-25 05:19:48,198 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:48,204 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:48,215 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 [2018-01-25 05:19:48,216 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,224 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:48,240 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 [2018-01-25 05:19:48,242 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 [2018-01-25 05:19:48,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,250 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,250 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:48,254 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 [2018-01-25 05:19:48,256 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 [2018-01-25 05:19:48,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,264 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:48,268 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 [2018-01-25 05:19:48,270 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 [2018-01-25 05:19:48,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:48,285 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 [2018-01-25 05:19:48,292 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 [2018-01-25 05:19:48,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:48,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:48,301 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. [2018-01-25 05:19:48,301 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:19:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:48,326 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:48,901 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 [2018-01-25 05:19:48,903 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 [2018-01-25 05:19:48,906 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,907 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 [2018-01-25 05:19:48,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,937 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 [2018-01-25 05:19:48,939 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:48,941 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,942 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,943 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,954 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 [2018-01-25 05:19:48,954 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,957 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,957 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,957 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:48,971 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 [2018-01-25 05:19:48,972 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:48,993 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:48,995 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,008 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 [2018-01-25 05:19:49,011 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 103 treesize of output 96 [2018-01-25 05:19:49,013 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,014 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 73 [2018-01-25 05:19:49,030 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,030 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,031 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,046 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 82 [2018-01-25 05:19:49,047 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:49,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2018-01-25 05:19:49,054 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,056 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,057 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,057 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,072 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 78 [2018-01-25 05:19:49,074 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:49,096 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,102 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,146 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 [2018-01-25 05:19:49,150 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,163 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 [2018-01-25 05:19:49,227 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,227 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,228 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,228 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,229 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:19:49,232 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 [2018-01-25 05:19:49,232 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,285 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 [2018-01-25 05:19:49,286 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:49,289 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,289 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,290 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,308 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 [2018-01-25 05:19:49,310 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:49,367 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:49,381 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,396 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,400 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 [2018-01-25 05:19:49,403 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 [2018-01-25 05:19:49,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,410 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 [2018-01-25 05:19:49,426 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,427 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,427 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,431 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 [2018-01-25 05:19:49,432 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,434 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,435 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,459 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,507 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 [2018-01-25 05:19:49,509 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 [2018-01-25 05:19:49,510 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,517 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,520 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 [2018-01-25 05:19:49,522 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 [2018-01-25 05:19:49,525 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,527 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 [2018-01-25 05:19:49,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,543 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,544 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,562 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 [2018-01-25 05:19:49,563 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:49,566 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,566 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,567 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,581 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 [2018-01-25 05:19:49,582 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:49,584 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,585 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,585 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:49,588 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 [2018-01-25 05:19:49,589 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,612 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,613 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,619 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:49,643 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-25 05:19:49,643 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 14 variables, input treesize:151, output treesize:83 [2018-01-25 05:19:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:49,682 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 05:19:49,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12, 11, 15] total 36 [2018-01-25 05:19:49,682 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 05:19:49,683 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-01-25 05:19:49,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-01-25 05:19:49,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1064, Unknown=0, NotChecked=0, Total=1332 [2018-01-25 05:19:49,684 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 20 states. [2018-01-25 05:19:50,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:50,114 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-01-25 05:19:50,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-25 05:19:50,115 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 44 [2018-01-25 05:19:50,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:50,116 INFO L225 Difference]: With dead ends: 64 [2018-01-25 05:19:50,116 INFO L226 Difference]: Without dead ends: 61 [2018-01-25 05:19:50,117 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 136 SyntacticMatches, 16 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=448, Invalid=1622, Unknown=0, NotChecked=0, Total=2070 [2018-01-25 05:19:50,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-01-25 05:19:50,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2018-01-25 05:19:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-01-25 05:19:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-01-25 05:19:50,124 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 44 [2018-01-25 05:19:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:50,125 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-01-25 05:19:50,125 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-01-25 05:19:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-01-25 05:19:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-01-25 05:19:50,126 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:50,126 INFO L322 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:50,126 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:50,127 INFO L82 PathProgramCache]: Analyzing trace with hash 968570021, now seen corresponding path program 5 times [2018-01-25 05:19:50,127 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:50,128 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:50,128 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-25 05:19:50,128 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:50,128 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:50,148 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:50,802 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:50,802 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:19:50,802 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-25 05:19:50,802 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-25 05:19:50,802 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:50,802 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 [2018-01-25 05:19:50,807 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-25 05:19:50,807 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder INSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-25 05:19:50,816 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:50,819 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:50,822 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:50,827 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:50,834 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:50,841 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:50,845 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:50,848 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:50,851 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 [2018-01-25 05:19:50,851 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,854 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:50,865 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 [2018-01-25 05:19:50,867 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 [2018-01-25 05:19:50,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,877 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:50,897 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 [2018-01-25 05:19:50,911 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 [2018-01-25 05:19:50,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,914 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,920 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:50,959 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 [2018-01-25 05:19:50,961 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 [2018-01-25 05:19:50,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:50,970 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:24 [2018-01-25 05:19:51,016 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 [2018-01-25 05:19:51,018 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 [2018-01-25 05:19:51,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:51,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:51,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:51,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:24 [2018-01-25 05:19:51,070 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 [2018-01-25 05:19:51,075 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 [2018-01-25 05:19:51,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:51,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:51,085 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. [2018-01-25 05:19:51,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:44 [2018-01-25 05:19:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:51,212 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:52,106 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 [2018-01-25 05:19:52,108 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 [2018-01-25 05:19:52,110 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,111 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 [2018-01-25 05:19:52,114 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,114 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,114 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,117 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 [2018-01-25 05:19:52,133 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,135 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,136 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,136 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,159 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 [2018-01-25 05:19:52,162 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,170 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,174 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,175 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,176 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,176 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,177 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,199 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 [2018-01-25 05:19:52,201 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,204 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,204 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,205 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,205 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,206 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,206 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,213 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 [2018-01-25 05:19:52,213 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,258 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,261 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,263 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,268 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,271 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 [2018-01-25 05:19:52,273 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 [2018-01-25 05:19:52,273 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,281 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,288 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 [2018-01-25 05:19:52,292 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 124 treesize of output 117 [2018-01-25 05:19:52,294 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,296 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 100 treesize of output 94 [2018-01-25 05:19:52,299 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,299 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,300 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,303 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 95 [2018-01-25 05:19:52,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,323 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,323 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,324 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,325 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,325 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2018-01-25 05:19:52,347 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,355 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,373 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,374 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,375 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 114 [2018-01-25 05:19:52,418 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,420 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,421 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,421 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,421 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,422 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,422 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-01-25 05:19:52,428 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,488 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,491 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,496 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,535 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 [2018-01-25 05:19:52,538 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,549 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 [2018-01-25 05:19:52,552 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,569 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 [2018-01-25 05:19:52,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,649 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 [2018-01-25 05:19:52,651 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,653 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,654 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,654 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,655 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,655 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,655 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,675 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 [2018-01-25 05:19:52,676 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,723 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,735 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,746 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,759 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,819 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 [2018-01-25 05:19:52,822 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 40 treesize of output 44 [2018-01-25 05:19:52,824 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,826 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 44 treesize of output 52 [2018-01-25 05:19:52,829 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,829 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,829 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,832 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 47 treesize of output 67 [2018-01-25 05:19:52,842 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,843 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,843 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,844 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,844 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,844 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,850 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 43 treesize of output 47 [2018-01-25 05:19:52,850 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,851 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,853 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,854 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,861 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,863 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 [2018-01-25 05:19:52,865 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 [2018-01-25 05:19:52,867 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,869 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 [2018-01-25 05:19:52,872 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,872 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,874 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,877 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 [2018-01-25 05:19:52,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,917 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 [2018-01-25 05:19:52,918 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,920 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,921 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,922 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,922 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,946 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 [2018-01-25 05:19:52,947 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 8 xjuncts. [2018-01-25 05:19:52,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:52,956 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 [2018-01-25 05:19:52,957 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,994 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,996 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:52,998 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,002 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,022 INFO L267 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-25 05:19:53,022 INFO L202 ElimStorePlain]: Needed 34 recursive calls to eliminate 18 variables, input treesize:179, output treesize:83 [2018-01-25 05:19:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:53,184 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:53,184 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 [2018-01-25 05:19:53,187 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-25 05:19:53,187 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder INSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-25 05:19:53,198 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:53,207 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:53,230 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:53,261 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:53,328 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:53,494 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:19:53,679 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:53,688 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:53,691 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 [2018-01-25 05:19:53,691 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,694 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:53,740 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 [2018-01-25 05:19:53,742 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 [2018-01-25 05:19:53,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,751 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:53,819 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 [2018-01-25 05:19:53,824 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 [2018-01-25 05:19:53,825 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:53,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:53,833 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. [2018-01-25 05:19:53,833 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2018-01-25 05:19:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:53,930 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:53,958 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 [2018-01-25 05:19:53,964 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 [2018-01-25 05:19:53,964 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,970 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,971 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 [2018-01-25 05:19:53,979 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 [2018-01-25 05:19:53,979 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,983 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,985 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 [2018-01-25 05:19:53,990 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 [2018-01-25 05:19:53,991 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:53,997 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,002 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 [2018-01-25 05:19:54,016 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 [2018-01-25 05:19:54,017 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,029 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 [2018-01-25 05:19:54,029 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,041 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 [2018-01-25 05:19:54,041 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,050 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:54,055 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 [2018-01-25 05:19:54,071 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 [2018-01-25 05:19:54,071 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,085 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 [2018-01-25 05:19:54,086 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,111 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:54,113 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 [2018-01-25 05:19:54,122 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 [2018-01-25 05:19:54,122 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,127 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,151 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 [2018-01-25 05:19:54,168 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 [2018-01-25 05:19:54,169 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,191 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 [2018-01-25 05:19:54,192 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,200 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:54,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-01-25 05:19:54,221 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 [2018-01-25 05:19:54,221 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,249 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 [2018-01-25 05:19:54,249 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:54,261 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:54,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-25 05:19:54,293 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 3 variables, input treesize:95, output treesize:131 [2018-01-25 05:19:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:54,633 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 05:19:54,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 17, 13, 15] total 51 [2018-01-25 05:19:54,633 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 05:19:54,633 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-01-25 05:19:54,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-01-25 05:19:54,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=2260, Unknown=0, NotChecked=0, Total=2652 [2018-01-25 05:19:54,635 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 25 states. [2018-01-25 05:19:55,458 WARN L143 SmtUtils]: Spent 254ms on a formula simplification that was a NOOP. DAG size: 29 [2018-01-25 05:19:55,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:19:55,529 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-01-25 05:19:55,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-01-25 05:19:55,529 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 52 [2018-01-25 05:19:55,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:19:55,530 INFO L225 Difference]: With dead ends: 72 [2018-01-25 05:19:55,530 INFO L226 Difference]: Without dead ends: 69 [2018-01-25 05:19:55,531 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 153 SyntacticMatches, 17 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=727, Invalid=3433, Unknown=0, NotChecked=0, Total=4160 [2018-01-25 05:19:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-01-25 05:19:55,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2018-01-25 05:19:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-01-25 05:19:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-01-25 05:19:55,537 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 52 [2018-01-25 05:19:55,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:19:55,537 INFO L432 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-01-25 05:19:55,537 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-01-25 05:19:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-01-25 05:19:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-01-25 05:19:55,538 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:19:55,538 INFO L322 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:19:55,538 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:19:55,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1956426324, now seen corresponding path program 6 times [2018-01-25 05:19:55,538 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:19:55,539 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:55,539 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-25 05:19:55,539 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:19:55,539 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:19:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:19:55,561 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:19:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:56,159 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:56,159 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:19:56,159 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-25 05:19:56,159 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-25 05:19:56,159 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:56,159 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 [2018-01-25 05:19:56,164 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-25 05:19:56,164 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder MIX_INSIDE_OUTSIDE (IT: FPandBP) [2018-01-25 05:19:56,173 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:56,177 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:56,180 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:56,184 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:56,188 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:56,193 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:56,201 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:56,203 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:56,206 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:56,212 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 [2018-01-25 05:19:56,212 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,215 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:56,258 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 [2018-01-25 05:19:56,259 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 [2018-01-25 05:19:56,259 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,261 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,267 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:56,287 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 [2018-01-25 05:19:56,289 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 [2018-01-25 05:19:56,289 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,296 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:56,317 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 [2018-01-25 05:19:56,319 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 [2018-01-25 05:19:56,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,328 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:24 [2018-01-25 05:19:56,454 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 [2018-01-25 05:19:56,461 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 [2018-01-25 05:19:56,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,469 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. [2018-01-25 05:19:56,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-01-25 05:19:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:56,529 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:56,833 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 [2018-01-25 05:19:56,836 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 89 treesize of output 82 [2018-01-25 05:19:56,839 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,840 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 73 [2018-01-25 05:19:56,856 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,856 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,856 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2018-01-25 05:19:56,859 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,861 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,861 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,861 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,874 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 78 [2018-01-25 05:19:56,875 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:56,877 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,878 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,878 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,897 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 82 [2018-01-25 05:19:56,898 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:56,915 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,918 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,936 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 [2018-01-25 05:19:56,939 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,940 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 60 treesize of output 66 [2018-01-25 05:19:56,957 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,957 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,959 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 [2018-01-25 05:19:56,960 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,964 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:56,974 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:56,986 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 [2018-01-25 05:19:57,025 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,025 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,025 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,037 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 [2018-01-25 05:19:57,038 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:57,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,041 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,041 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,053 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 [2018-01-25 05:19:57,054 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:57,072 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,075 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,082 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 [2018-01-25 05:19:57,084 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 [2018-01-25 05:19:57,086 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,088 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 [2018-01-25 05:19:57,101 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,101 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,101 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,104 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 [2018-01-25 05:19:57,104 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,106 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,107 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,107 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,119 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 [2018-01-25 05:19:57,120 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:57,122 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,123 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,123 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,136 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 [2018-01-25 05:19:57,137 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 4 xjuncts. [2018-01-25 05:19:57,154 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,156 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,159 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,161 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 [2018-01-25 05:19:57,163 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 [2018-01-25 05:19:57,165 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,166 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 [2018-01-25 05:19:57,172 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,173 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:57,175 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 [2018-01-25 05:19:57,176 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,177 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,178 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,180 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:57,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:57,188 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 7 variables, input treesize:81, output treesize:54 [2018-01-25 05:19:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:57,396 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:19:57,396 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 [2018-01-25 05:19:57,401 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-25 05:19:57,401 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder MIX_INSIDE_OUTSIDE (IT: FPandBP) [2018-01-25 05:19:57,414 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:57,424 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:57,443 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:57,476 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:57,518 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:57,628 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:57,663 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-25 05:19:57,998 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:19:58,009 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:19:58,012 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-25 05:19:58,012 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,022 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,022 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:19:58,042 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 [2018-01-25 05:19:58,045 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 [2018-01-25 05:19:58,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,048 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,059 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:17 [2018-01-25 05:19:58,064 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 [2018-01-25 05:19:58,066 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 [2018-01-25 05:19:58,067 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,077 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:58,082 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 [2018-01-25 05:19:58,084 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 [2018-01-25 05:19:58,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,086 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:58,099 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 [2018-01-25 05:19:58,101 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 [2018-01-25 05:19:58,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,103 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,111 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:58,117 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 [2018-01-25 05:19:58,119 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 [2018-01-25 05:19:58,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:58,128 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:19:58,167 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 [2018-01-25 05:19:58,172 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 [2018-01-25 05:19:58,173 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:19:58,176 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:19:58,182 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. [2018-01-25 05:19:58,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:19:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:19:58,240 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:19:59,368 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 [2018-01-25 05:19:59,371 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 131 treesize of output 124 [2018-01-25 05:19:59,371 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,384 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 84 treesize of output 82 [2018-01-25 05:19:59,386 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,387 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 [2018-01-25 05:19:59,389 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,390 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,390 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,393 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 [2018-01-25 05:19:59,395 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,397 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,403 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 [2018-01-25 05:19:59,421 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,421 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,422 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,422 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,423 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,424 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,424 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,425 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,426 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,426 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,453 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 [2018-01-25 05:19:59,456 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 16 xjuncts. [2018-01-25 05:19:59,459 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,459 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,459 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,460 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,460 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,460 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,470 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 [2018-01-25 05:19:59,470 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,473 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,474 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,476 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,476 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,477 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,478 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,478 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,479 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,504 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 [2018-01-25 05:19:59,509 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 16 xjuncts. [2018-01-25 05:19:59,589 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,593 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,595 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,598 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,618 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 [2018-01-25 05:19:59,622 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,634 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 [2018-01-25 05:19:59,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,637 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,637 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,640 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 91 treesize of output 104 [2018-01-25 05:19:59,643 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,643 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,643 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,649 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 [2018-01-25 05:19:59,680 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,681 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,681 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,681 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,683 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,683 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,683 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,684 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,684 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,685 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:19:59,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 132 [2018-01-25 05:19:59,695 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,697 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,701 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,715 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,716 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,717 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,733 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 110 treesize of output 132 [2018-01-25 05:19:59,736 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,736 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,737 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,738 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,739 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,740 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,760 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 116 treesize of output 140 [2018-01-25 05:19:59,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,815 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,816 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,816 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,816 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,817 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,818 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,818 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,843 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 [2018-01-25 05:19:59,846 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 16 xjuncts. [2018-01-25 05:19:59,848 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,849 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,849 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,849 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,850 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,851 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,851 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,852 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,852 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,853 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,879 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 [2018-01-25 05:19:59,882 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 16 xjuncts. [2018-01-25 05:19:59,963 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,968 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,971 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,976 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:19:59,981 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 [2018-01-25 05:19:59,983 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 [2018-01-25 05:19:59,985 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,987 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 [2018-01-25 05:19:59,989 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,989 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,990 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,992 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 [2018-01-25 05:19:59,995 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,995 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,996 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,996 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,996 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:19:59,997 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,002 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 [2018-01-25 05:20:00,019 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,019 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,020 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,020 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,021 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,022 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,022 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,023 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,023 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,024 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,049 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 [2018-01-25 05:20:00,053 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 16 xjuncts. [2018-01-25 05:20:00,055 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,056 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,056 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,056 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,058 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,058 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,058 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,059 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,060 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,060 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,087 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 [2018-01-25 05:20:00,090 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 16 xjuncts. [2018-01-25 05:20:00,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,096 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:00,104 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 [2018-01-25 05:20:00,104 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,182 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,186 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,196 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,198 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,201 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,203 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 [2018-01-25 05:20:00,206 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 [2018-01-25 05:20:00,206 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,209 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:00,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:20:00,217 INFO L202 ElimStorePlain]: Needed 29 recursive calls to eliminate 22 variables, input treesize:215, output treesize:50 [2018-01-25 05:20:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:00,385 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 05:20:00,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16, 13, 18] total 56 [2018-01-25 05:20:00,385 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 05:20:00,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-01-25 05:20:00,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-01-25 05:20:00,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=2740, Unknown=0, NotChecked=0, Total=3192 [2018-01-25 05:20:00,387 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 27 states. [2018-01-25 05:20:01,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:20:01,214 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-01-25 05:20:01,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-25 05:20:01,237 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-01-25 05:20:01,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:20:01,237 INFO L225 Difference]: With dead ends: 80 [2018-01-25 05:20:01,237 INFO L226 Difference]: Without dead ends: 77 [2018-01-25 05:20:01,238 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 [2018-01-25 05:20:01,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-01-25 05:20:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2018-01-25 05:20:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-01-25 05:20:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-01-25 05:20:01,244 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 60 [2018-01-25 05:20:01,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:20:01,245 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-01-25 05:20:01,245 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-01-25 05:20:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-01-25 05:20:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-01-25 05:20:01,246 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:20:01,246 INFO L322 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:20:01,246 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:20:01,246 INFO L82 PathProgramCache]: Analyzing trace with hash 58265859, now seen corresponding path program 7 times [2018-01-25 05:20:01,246 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:20:01,247 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:20:01,247 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-25 05:20:01,247 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:20:01,247 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:20:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:20:01,271 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:20:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:01,950 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:20:01,950 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:20:01,950 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-25 05:20:01,950 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-25 05:20:01,950 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:20:01,950 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 [2018-01-25 05:20:01,957 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:20:01,957 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-25 05:20:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:20:01,997 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:20:02,000 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 [2018-01-25 05:20:02,000 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,003 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:20:02,021 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 [2018-01-25 05:20:02,022 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-01-25 05:20:02,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,024 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:02,050 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 [2018-01-25 05:20:02,051 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 [2018-01-25 05:20:02,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,059 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:02,080 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 [2018-01-25 05:20:02,082 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 [2018-01-25 05:20:02,082 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,085 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:02,115 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 [2018-01-25 05:20:02,116 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 [2018-01-25 05:20:02,116 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,117 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,124 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:02,145 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 [2018-01-25 05:20:02,146 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 [2018-01-25 05:20:02,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,154 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:02,175 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 [2018-01-25 05:20:02,177 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 [2018-01-25 05:20:02,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,179 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,185 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:02,185 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:02,231 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 [2018-01-25 05:20:02,235 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 [2018-01-25 05:20:02,236 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:20:02,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:20:02,245 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. [2018-01-25 05:20:02,246 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:20:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:02,331 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:20:06,234 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 [2018-01-25 05:20:06,237 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 [2018-01-25 05:20:06,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,255 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 [2018-01-25 05:20:06,258 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 [2018-01-25 05:20:06,260 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,262 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 [2018-01-25 05:20:06,264 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,265 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,265 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,268 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 [2018-01-25 05:20:06,271 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,271 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,272 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,272 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,272 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,272 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,278 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 [2018-01-25 05:20:06,281 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,294 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 [2018-01-25 05:20:06,317 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,318 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,318 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,318 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,319 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,319 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,319 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,320 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,320 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,322 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,339 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 [2018-01-25 05:20:06,339 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,342 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,348 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,351 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,389 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 [2018-01-25 05:20:06,395 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:06,398 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,400 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,401 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,401 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,402 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,402 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,402 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,403 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,403 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,405 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,405 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,451 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 [2018-01-25 05:20:06,462 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:06,719 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,727 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,732 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,736 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,738 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,744 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,753 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 [2018-01-25 05:20:06,756 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 [2018-01-25 05:20:06,756 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,790 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 [2018-01-25 05:20:06,795 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,809 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 [2018-01-25 05:20:06,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,813 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,814 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,817 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 [2018-01-25 05:20:06,820 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,820 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,821 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,822 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,827 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 [2018-01-25 05:20:06,831 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,831 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,831 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,832 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,832 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,832 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,833 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,833 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,834 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,834 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,843 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 [2018-01-25 05:20:06,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,890 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,891 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,891 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,892 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,892 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,892 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,893 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,893 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,893 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,896 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,896 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,896 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,897 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:20:06,914 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 [2018-01-25 05:20:06,914 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,916 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,918 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,925 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:06,983 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,988 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:06,997 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,067 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 [2018-01-25 05:20:07,072 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,073 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,075 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,075 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,082 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,138 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 [2018-01-25 05:20:07,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,150 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,151 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,151 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,152 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,152 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,153 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,153 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,154 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,168 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 [2018-01-25 05:20:07,236 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,241 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,242 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,243 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,244 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,245 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,245 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,247 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,247 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,248 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,248 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,250 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:20:07,250 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,251 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,251 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,276 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 147 [2018-01-25 05:20:07,277 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,302 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,340 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,341 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,341 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,382 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 [2018-01-25 05:20:07,486 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 97 DAG size of output 92 [2018-01-25 05:20:07,489 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,490 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,490 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,490 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,491 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,491 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,491 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,492 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,492 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,492 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,493 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,494 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,495 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:20:07,496 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,512 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 [2018-01-25 05:20:07,512 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,576 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,576 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,576 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,577 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,577 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,578 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,579 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,579 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,579 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,579 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,580 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,580 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,581 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,582 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,583 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,619 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 [2018-01-25 05:20:07,627 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:07,635 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,637 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,637 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,638 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,639 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,640 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,640 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,641 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,641 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,641 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,642 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,643 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,644 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,645 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,682 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 [2018-01-25 05:20:07,688 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:07,897 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,904 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,918 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,925 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,938 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,952 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:07,988 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 [2018-01-25 05:20:07,990 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 [2018-01-25 05:20:07,993 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,994 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 [2018-01-25 05:20:07,997 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,997 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:07,997 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,000 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 [2018-01-25 05:20:08,003 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,004 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,004 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,004 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,005 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,005 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,011 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 [2018-01-25 05:20:08,014 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,015 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,015 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,015 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,017 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,017 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,017 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,026 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 [2018-01-25 05:20:08,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,048 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,052 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,052 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,052 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,054 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,054 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,055 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,091 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 [2018-01-25 05:20:08,098 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:08,101 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,101 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,102 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,102 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,102 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,103 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,103 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,103 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,103 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,105 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,105 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,105 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,107 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,107 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,108 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,145 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 [2018-01-25 05:20:08,151 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:08,154 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,154 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,155 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,155 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,155 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,156 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,156 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,156 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,158 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,162 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,162 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,164 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,164 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,184 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 [2018-01-25 05:20:08,185 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,369 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,376 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,380 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,382 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,384 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,388 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,390 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 [2018-01-25 05:20:08,392 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 [2018-01-25 05:20:08,394 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,395 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 [2018-01-25 05:20:08,399 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,400 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,401 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,405 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 [2018-01-25 05:20:08,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,417 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,417 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,418 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,427 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 [2018-01-25 05:20:08,430 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,431 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,432 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,432 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,432 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,433 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,433 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,441 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 [2018-01-25 05:20:08,453 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,455 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,455 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,455 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,455 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,456 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,456 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,456 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,457 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,457 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,457 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,457 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:08,469 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 [2018-01-25 05:20:08,470 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,476 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,478 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,479 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,480 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,481 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,495 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-25 05:20:08,518 INFO L202 ElimStorePlain]: Needed 44 recursive calls to eliminate 26 variables, input treesize:235, output treesize:83 [2018-01-25 05:20:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:08,804 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:20:08,804 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 [2018-01-25 05:20:08,807 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:20:08,807 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-25 05:20:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:20:08,893 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:20:08,899 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 [2018-01-25 05:20:08,899 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:20:08,923 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 [2018-01-25 05:20:08,925 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 [2018-01-25 05:20:08,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,927 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,934 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:08,937 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 [2018-01-25 05:20:08,939 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 [2018-01-25 05:20:08,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,941 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:08,951 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 [2018-01-25 05:20:08,952 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 [2018-01-25 05:20:08,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:08,965 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 [2018-01-25 05:20:08,967 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 [2018-01-25 05:20:08,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,975 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:08,979 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 [2018-01-25 05:20:08,981 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 [2018-01-25 05:20:08,981 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,989 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:08,993 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 [2018-01-25 05:20:08,994 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 [2018-01-25 05:20:08,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:08,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:09,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:09,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:09,004 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 [2018-01-25 05:20:09,013 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 [2018-01-25 05:20:09,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:20:09,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:20:09,026 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. [2018-01-25 05:20:09,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:20:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:09,063 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:20:09,738 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 [2018-01-25 05:20:09,751 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 [2018-01-25 05:20:09,756 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,771 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 [2018-01-25 05:20:09,774 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,774 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,775 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,778 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 [2018-01-25 05:20:09,781 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,781 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,781 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,782 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,783 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,788 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 [2018-01-25 05:20:09,792 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,793 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,793 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,793 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,793 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,794 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,794 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,794 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,795 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,795 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,803 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 [2018-01-25 05:20:09,843 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,844 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,844 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,844 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,844 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,845 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,845 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,845 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,846 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,846 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,846 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,847 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,847 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,847 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,848 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,848 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,848 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,848 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,849 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,850 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:20:09,864 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 [2018-01-25 05:20:09,865 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:09,867 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:09,868 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:09,874 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:09,896 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,898 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,899 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,915 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 [2018-01-25 05:20:09,918 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,919 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,920 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,920 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,922 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,923 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,944 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 [2018-01-25 05:20:09,947 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,948 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,948 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,952 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,953 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:09,980 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 [2018-01-25 05:20:10,063 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,063 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,063 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,064 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,064 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,065 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,065 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,066 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,066 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,067 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,070 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,105 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 [2018-01-25 05:20:10,111 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:10,114 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,115 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,115 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,116 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,122 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,123 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,170 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 [2018-01-25 05:20:10,177 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:10,444 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,461 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,476 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,485 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,502 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,522 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,525 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 [2018-01-25 05:20:10,528 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 [2018-01-25 05:20:10,531 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,533 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 [2018-01-25 05:20:10,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,541 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 [2018-01-25 05:20:10,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,545 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,546 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,546 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,546 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,547 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,553 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 [2018-01-25 05:20:10,556 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,557 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,557 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,557 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,558 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,558 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,558 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,559 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,559 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,559 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,570 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 [2018-01-25 05:20:10,597 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,598 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,599 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,599 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,599 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,600 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,601 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,601 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,601 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,602 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,618 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 [2018-01-25 05:20:10,619 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,628 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,629 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,630 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,631 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,633 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,634 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,638 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,638 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,640 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,688 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 [2018-01-25 05:20:10,694 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:10,697 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,698 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,698 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,700 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,700 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,700 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,702 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,703 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,705 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,705 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,707 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:10,746 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 [2018-01-25 05:20:10,752 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:10,938 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,945 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,950 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,953 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,955 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,960 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,963 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 [2018-01-25 05:20:10,966 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 [2018-01-25 05:20:10,966 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:10,973 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-01-25 05:20:11,027 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 [2018-01-25 05:20:11,027 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,033 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,036 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 [2018-01-25 05:20:11,038 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 [2018-01-25 05:20:11,040 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,041 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 [2018-01-25 05:20:11,044 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,044 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,044 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,047 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 [2018-01-25 05:20:11,049 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,050 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,051 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,051 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,056 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 [2018-01-25 05:20:11,059 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,060 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,060 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,060 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,060 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,061 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,061 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,061 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,062 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,062 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,071 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 [2018-01-25 05:20:11,090 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,091 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,091 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,091 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,092 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,096 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,096 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,097 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,132 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 [2018-01-25 05:20:11,138 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:11,140 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,141 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,141 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,141 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,142 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,142 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,142 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,143 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,143 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,143 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,143 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,157 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 [2018-01-25 05:20:11,157 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,160 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,161 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,161 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,161 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,162 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,162 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,163 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,163 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,163 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,164 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,164 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,165 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,165 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,167 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:11,200 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 201 [2018-01-25 05:20:11,206 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 32 xjuncts. [2018-01-25 05:20:11,389 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,395 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,413 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,416 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,418 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,422 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:11,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 24 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-25 05:20:11,441 INFO L202 ElimStorePlain]: Needed 35 recursive calls to eliminate 26 variables, input treesize:235, output treesize:83 [2018-01-25 05:20:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:11,491 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-25 05:20:11,492 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 21, 14, 21] total 45 [2018-01-25 05:20:11,492 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-25 05:20:11,492 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-01-25 05:20:11,492 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-01-25 05:20:11,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=1781, Unknown=1, NotChecked=0, Total=2070 [2018-01-25 05:20:11,493 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 26 states. [2018-01-25 05:20:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 05:20:12,292 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-01-25 05:20:12,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-01-25 05:20:12,292 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 68 [2018-01-25 05:20:12,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 05:20:12,293 INFO L225 Difference]: With dead ends: 88 [2018-01-25 05:20:12,293 INFO L226 Difference]: Without dead ends: 85 [2018-01-25 05:20:12,295 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 215 SyntacticMatches, 27 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1581 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=691, Invalid=3214, Unknown=1, NotChecked=0, Total=3906 [2018-01-25 05:20:12,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-01-25 05:20:12,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2018-01-25 05:20:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-01-25 05:20:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-01-25 05:20:12,301 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 68 [2018-01-25 05:20:12,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 05:20:12,301 INFO L432 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-01-25 05:20:12,301 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-01-25 05:20:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-01-25 05:20:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-01-25 05:20:12,302 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 05:20:12,302 INFO L322 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 05:20:12,302 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr9RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr10EnsuresViolation]=== [2018-01-25 05:20:12,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1910460594, now seen corresponding path program 8 times [2018-01-25 05:20:12,303 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 05:20:12,303 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:20:12,304 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 05:20:12,304 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 05:20:12,304 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 05:20:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 05:20:12,332 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 05:20:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:12,986 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:20:12,986 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 05:20:12,987 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-25 05:20:12,987 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-25 05:20:12,987 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:20:12,987 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 [2018-01-25 05:20:12,992 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-25 05:20:12,992 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-25 05:20:13,001 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:20:13,017 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:20:13,022 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:20:13,026 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:20:13,028 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 [2018-01-25 05:20:13,029 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:20:13,043 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 [2018-01-25 05:20:13,045 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 [2018-01-25 05:20:13,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,053 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:13,085 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 [2018-01-25 05:20:13,087 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 [2018-01-25 05:20:13,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,091 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,100 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,100 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:13,121 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 [2018-01-25 05:20:13,122 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 [2018-01-25 05:20:13,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,130 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:13,151 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 [2018-01-25 05:20:13,152 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 10 treesize of output 9 [2018-01-25 05:20:13,152 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,154 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,160 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,160 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:13,182 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 [2018-01-25 05:20:13,183 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 [2018-01-25 05:20:13,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,191 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,191 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:13,213 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 [2018-01-25 05:20:13,215 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 [2018-01-25 05:20:13,215 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,224 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,224 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:13,247 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 [2018-01-25 05:20:13,248 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 [2018-01-25 05:20:13,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,256 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:13,257 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:13,307 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 [2018-01-25 05:20:13,312 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 [2018-01-25 05:20:13,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:20:13,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:20:13,321 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. [2018-01-25 05:20:13,321 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:20:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:13,418 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-25 05:20:17,304 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 [2018-01-25 05:20:17,306 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 [2018-01-25 05:20:17,309 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,310 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 [2018-01-25 05:20:17,313 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,313 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,313 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,316 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 [2018-01-25 05:20:17,319 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,319 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,320 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,320 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,320 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,321 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,326 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 [2018-01-25 05:20:17,329 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,330 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,331 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,331 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,332 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,333 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,333 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,334 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,334 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,334 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 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 [2018-01-25 05:20:17,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,346 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,347 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,348 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,348 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,348 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,349 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,350 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,350 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,350 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,363 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 [2018-01-25 05:20:17,386 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,386 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,387 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,387 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,387 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,387 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,389 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,389 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,389 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,390 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,390 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,391 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,394 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,394 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,394 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,395 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,396 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,439 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 [2018-01-25 05:20:17,439 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:17,454 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:17,457 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,458 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,458 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,459 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,459 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,459 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,460 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,461 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,462 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,463 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,463 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,464 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,464 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,465 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,466 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,466 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,467 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,468 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,468 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,514 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 [2018-01-25 05:20:17,514 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:17,529 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:17,532 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,532 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,533 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,533 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,533 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,534 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,534 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,534 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,534 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,535 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,535 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,535 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,536 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,536 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,536 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,538 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,538 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:17,556 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 [2018-01-25 05:20:17,556 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,020 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,030 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,035 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,039 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,041 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,043 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,047 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,053 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 [2018-01-25 05:20:18,056 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 [2018-01-25 05:20:18,058 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,059 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 [2018-01-25 05:20:18,061 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,061 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,062 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,064 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 [2018-01-25 05:20:18,067 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,068 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,069 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,074 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 [2018-01-25 05:20:18,077 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,078 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,078 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,078 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,078 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,079 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,080 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,088 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 [2018-01-25 05:20:18,092 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,092 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,092 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,095 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,096 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,110 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 [2018-01-25 05:20:18,136 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,136 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,137 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,137 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,137 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,137 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,139 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,139 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,139 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,140 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,140 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,141 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,141 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,142 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,142 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,143 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,143 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,144 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,146 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,192 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 [2018-01-25 05:20:18,192 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:18,207 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:18,210 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,210 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,211 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,211 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,211 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,212 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,212 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,212 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,213 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,214 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,215 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,215 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,215 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,216 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,216 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,216 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2018-01-25 05:20:18,234 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,237 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,238 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,238 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,238 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,239 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,239 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,240 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,240 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,241 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,241 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,241 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,243 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,243 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,243 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,244 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,245 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,245 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,247 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,247 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,248 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,294 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 [2018-01-25 05:20:18,295 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:18,309 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:18,779 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,789 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,796 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,800 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,803 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,808 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,855 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 [2018-01-25 05:20:18,858 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,859 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 [2018-01-25 05:20:18,862 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,862 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,863 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,865 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 [2018-01-25 05:20:18,868 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,869 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,869 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,869 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,869 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,870 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,875 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 [2018-01-25 05:20:18,878 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,879 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,879 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,879 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,880 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,880 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,880 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,881 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,881 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,881 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,890 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 [2018-01-25 05:20:18,893 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,894 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,895 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,896 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,896 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,896 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,897 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,910 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 [2018-01-25 05:20:18,943 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-25 05:20:18,943 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,947 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,947 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,948 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,948 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,948 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,949 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,950 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,951 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,952 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,952 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,952 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,953 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,953 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,969 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 [2018-01-25 05:20:18,970 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:18,974 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,974 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,974 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,975 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,975 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,975 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,976 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,976 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,977 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,977 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,977 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,978 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,978 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,978 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,979 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,979 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,979 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,980 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,980 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,980 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:18,998 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 [2018-01-25 05:20:18,999 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,023 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,025 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,027 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,028 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,033 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,055 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,068 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 [2018-01-25 05:20:19,071 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,072 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,073 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,089 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 [2018-01-25 05:20:19,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,093 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,094 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,099 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 [2018-01-25 05:20:19,103 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,103 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,103 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,104 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,104 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,104 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,105 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,105 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,105 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,105 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,114 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 [2018-01-25 05:20:19,117 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,118 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,119 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,120 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,121 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,122 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,135 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 [2018-01-25 05:20:19,180 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,181 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,181 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,181 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,182 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,182 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:20:19,183 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,183 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,183 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,183 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,184 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,184 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,184 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,185 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,185 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,185 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,185 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,186 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,187 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,206 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 [2018-01-25 05:20:19,207 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,209 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,210 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,218 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,242 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,242 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,243 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,244 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,245 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,246 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,265 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 [2018-01-25 05:20:19,268 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,268 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,269 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,270 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,278 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 [2018-01-25 05:20:19,281 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,281 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,281 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,281 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,282 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,283 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,284 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,296 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 [2018-01-25 05:20:19,338 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,338 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,338 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,339 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,339 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,339 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,340 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,340 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,340 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,341 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,341 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,341 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,342 INFO L700 Elim1Store]: detected not equals via solver [2018-01-25 05:20:19,342 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,342 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,343 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,344 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,344 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,344 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,344 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,345 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,365 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 [2018-01-25 05:20:19,365 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,367 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,379 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:19,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,411 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,411 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,412 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,412 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,413 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,416 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,441 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 [2018-01-25 05:20:19,445 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,446 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,446 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,446 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,447 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,448 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,448 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,448 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,449 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,450 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,450 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,451 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,451 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,453 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,489 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 [2018-01-25 05:20:19,585 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,585 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,586 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,586 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,586 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,587 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,588 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,588 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,589 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,589 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,589 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,591 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,591 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,591 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,592 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,593 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,593 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,594 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,595 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,595 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,595 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,642 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 [2018-01-25 05:20:19,642 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:19,658 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:19,661 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,662 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,663 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,664 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,665 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,666 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,667 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,668 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,669 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,669 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,670 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,671 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,671 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,671 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:19,718 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 [2018-01-25 05:20:19,718 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:19,733 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:20,261 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,274 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,281 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,288 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,300 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,308 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,316 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,318 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 [2018-01-25 05:20:20,320 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 61 treesize of output 54 [2018-01-25 05:20:20,321 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,327 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,365 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 [2018-01-25 05:20:20,367 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 [2018-01-25 05:20:20,370 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,371 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 [2018-01-25 05:20:20,374 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,374 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,375 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,378 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 [2018-01-25 05:20:20,381 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,381 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,381 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,382 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,382 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,382 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,388 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 [2018-01-25 05:20:20,391 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,391 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,391 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,392 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,393 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,393 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,393 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,393 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,403 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 [2018-01-25 05:20:20,406 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,407 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,408 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,409 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,410 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,425 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 [2018-01-25 05:20:20,449 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,450 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,450 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,450 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,451 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,451 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,451 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,452 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,452 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,452 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,452 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,453 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,453 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,453 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,454 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,455 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,455 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,455 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,474 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 [2018-01-25 05:20:20,475 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:20,478 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,479 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,479 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,479 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,479 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,480 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,481 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,481 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,482 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,482 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,482 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,483 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,484 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,484 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,484 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,486 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,486 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,486 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,487 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,488 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,488 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,535 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 [2018-01-25 05:20:20,535 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:20,549 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:20,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,553 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,556 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,556 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,556 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,557 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,557 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,558 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,559 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,559 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,559 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,560 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,561 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,561 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,562 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,563 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,563 INFO L682 Elim1Store]: detected equality via solver [2018-01-25 05:20:20,608 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 [2018-01-25 05:20:20,609 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-25 05:20:20,631 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 64 xjuncts. [2018-01-25 05:20:21,110 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,120 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,127 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,131 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,134 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,135 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,140 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,143 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 [2018-01-25 05:20:21,145 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 61 treesize of output 54 [2018-01-25 05:20:21,145 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,152 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 28 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-25 05:20:21,170 INFO L202 ElimStorePlain]: Needed 58 recursive calls to eliminate 30 variables, input treesize:263, output treesize:83 [2018-01-25 05:20:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:21,421 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 05:20:21,421 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 [2018-01-25 05:20:21,424 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-25 05:20:21,424 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-25 05:20:21,438 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:20:21,472 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-25 05:20:21,528 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-25 05:20:21,535 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-25 05:20:21,537 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 [2018-01-25 05:20:21,537 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,540 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-25 05:20:21,553 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 [2018-01-25 05:20:21,555 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 [2018-01-25 05:20:21,555 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,563 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:21,566 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 [2018-01-25 05:20:21,567 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 [2018-01-25 05:20:21,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,575 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:21,579 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 [2018-01-25 05:20:21,581 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 [2018-01-25 05:20:21,581 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,583 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,590 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:21,594 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 [2018-01-25 05:20:21,596 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 [2018-01-25 05:20:21,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,608 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:21,612 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 [2018-01-25 05:20:21,614 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 [2018-01-25 05:20:21,614 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,616 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,624 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:21,628 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 [2018-01-25 05:20:21,630 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 [2018-01-25 05:20:21,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,632 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,640 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:21,644 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 [2018-01-25 05:20:21,646 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 [2018-01-25 05:20:21,646 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-25 05:20:21,654 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:17 [2018-01-25 05:20:21,656 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 [2018-01-25 05:20:21,662 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 [2018-01-25 05:20:21,662 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-25 05:20:21,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-25 05:20:21,672 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. [2018-01-25 05:20:21,672 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:48 [2018-01-25 05:20:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 05:20:21,713 INFO L314 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2018-01-25 05:20:25,986 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-25 05:20:25,986 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-25 05:20:25,989 WARN L187 ceAbstractionStarter]: Timeout [2018-01-25 05:20:25,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 05:20:25 BoogieIcfgContainer [2018-01-25 05:20:25,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-25 05:20:25,990 INFO L168 Benchmark]: Toolchain (without parser) took 52782.24 ms. Allocated memory was 308.8 MB in the beginning and 1.0 GB in the end (delta: 708.3 MB). Free memory was 268.7 MB in the beginning and 686.6 MB in the end (delta: -417.9 MB). Peak memory consumption was 290.5 MB. Max. memory is 5.3 GB. [2018-01-25 05:20:25,990 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 308.8 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 05:20:25,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.86 ms. Allocated memory is still 308.8 MB. Free memory was 267.7 MB in the beginning and 257.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-25 05:20:25,991 INFO L168 Benchmark]: Boogie Preprocessor took 38.47 ms. Allocated memory is still 308.8 MB. Free memory was 257.6 MB in the beginning and 256.6 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-01-25 05:20:25,991 INFO L168 Benchmark]: RCFGBuilder took 241.94 ms. Allocated memory is still 308.8 MB. Free memory was 256.6 MB in the beginning and 240.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 5.3 GB. [2018-01-25 05:20:25,991 INFO L168 Benchmark]: TraceAbstraction took 52291.64 ms. Allocated memory was 308.8 MB in the beginning and 1.0 GB in the end (delta: 708.3 MB). Free memory was 240.4 MB in the beginning and 686.6 MB in the end (delta: -446.2 MB). Peak memory consumption was 262.1 MB. Max. memory is 5.3 GB. [2018-01-25 05:20:25,993 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 308.8 MB. Free memory is still 274.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 202.86 ms. Allocated memory is still 308.8 MB. Free memory was 267.7 MB in the beginning and 257.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.47 ms. Allocated memory is still 308.8 MB. Free memory was 257.6 MB in the beginning and 256.6 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 241.94 ms. Allocated memory is still 308.8 MB. Free memory was 256.6 MB in the beginning and 240.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 52291.64 ms. Allocated memory was 308.8 MB in the beginning and 1.0 GB in the end (delta: 708.3 MB). Free memory was 240.4 MB in the beginning and 686.6 MB in the end (delta: -446.2 MB). Peak memory consumption was 262.1 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 : 3 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 197 LocStat_NO_SUPPORTING_DISEQUALITIES : 38 LocStat_NO_DISJUNCTIONS : -36 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 23 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 42 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 25 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 16.105623 RENAME_VARIABLES(MILLISECONDS) : 4.280445 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 16.022864 PROJECTAWAY(MILLISECONDS) : 0.193599 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.102078 DISJOIN(MILLISECONDS) : 2.232377 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 4.334204 ADD_EQUALITY(MILLISECONDS) : 0.025058 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.025771 #CONJOIN_DISJUNCTIVE : 79 #RENAME_VARIABLES : 141 #UNFREEZE : 0 #CONJOIN : 118 #PROJECTAWAY : 98 #ADD_WEAK_EQUALITY : 5 #DISJOIN : 19 #RENAME_VARIABLES_DISJUNCTIVE : 133 #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 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 548). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - TimeoutResultAtElement [Line: 540]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 540). Cancelled while BasicCegarLoop was analyzing trace of length 77 with TraceHistMax 9, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 49 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 11 error locations. TIMEOUT Result, 52.2s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 224 SDtfs, 1263 SDslu, 1075 SDs, 0 SdLazy, 2892 SolverSat, 182 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1432 GetRequests, 947 SyntacticMatches, 104 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7551 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 15 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 1587 ConstructedInterpolants, 274 QuantifiedInterpolants, 2885513 SizeOfPredicates, 250 NumberOfNonLiveVariables, 2662 ConjunctsInSsa, 541 ConjunctsInUnsatCore, 41 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2522 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_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-25_05-20-26-003.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-25_05-20-26-003.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_05-20-26-003.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-25_05-20-26-003.csv Completed graceful shutdown