java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-crafted/mapavg5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 12:02:56,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 12:02:56,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 12:02:56,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-07 12:02:56,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 12:02:56,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 12:02:56,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 12:02:56,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 12:02:56,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 12:02:56,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 12:02:56,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 12:02:56,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 12:02:56,513 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 12:02:56,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 12:02:56,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 12:02:56,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 12:02:56,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 12:02:56,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 12:02:56,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 12:02:56,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 12:02:56,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 12:02:56,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 12:02:56,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 12:02:56,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 12:02:56,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 12:02:56,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 12:02:56,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 12:02:56,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 12:02:56,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 12:02:56,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 12:02:56,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 12:02:56,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 12:02:56,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 12:02:56,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 12:02:56,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 12:02:56,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 12:02:56,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 12:02:56,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 12:02:56,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 12:02:56,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 12:02:56,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 12:02:56,562 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 12:02:56,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/mapavg5.i [2019-09-07 12:02:56,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d94d9012/43ba2a1a22b84846b2bfad4390b203ab/FLAGd6ec0d9ba [2019-09-07 12:02:57,087 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 12:02:57,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/mapavg5.i [2019-09-07 12:02:57,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d94d9012/43ba2a1a22b84846b2bfad4390b203ab/FLAGd6ec0d9ba [2019-09-07 12:02:57,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d94d9012/43ba2a1a22b84846b2bfad4390b203ab [2019-09-07 12:02:57,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 12:02:57,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 12:02:57,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 12:02:57,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 12:02:57,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 12:02:57,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6405e7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57, skipping insertion in model container [2019-09-07 12:02:57,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,475 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 12:02:57,492 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 12:02:57,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 12:02:57,677 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 12:02:57,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 12:02:57,719 INFO L192 MainTranslator]: Completed translation [2019-09-07 12:02:57,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57 WrapperNode [2019-09-07 12:02:57,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 12:02:57,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 12:02:57,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 12:02:57,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 12:02:57,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... [2019-09-07 12:02:57,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 12:02:57,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 12:02:57,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 12:02:57,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 12:02:57,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory: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 [2019-09-07 12:02:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 12:02:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 12:02:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mapavg [2019-09-07 12:02:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 12:02:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 12:02:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 12:02:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure mapavg [2019-09-07 12:02:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-07 12:02:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 12:02:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-07 12:02:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-07 12:02:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-07 12:02:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 12:02:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 12:02:58,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 12:02:58,194 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-07 12:02:58,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:02:58 BoogieIcfgContainer [2019-09-07 12:02:58,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 12:02:58,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 12:02:58,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 12:02:58,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 12:02:58,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 12:02:57" (1/3) ... [2019-09-07 12:02:58,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90cdca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 12:02:58, skipping insertion in model container [2019-09-07 12:02:58,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:02:57" (2/3) ... [2019-09-07 12:02:58,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90cdca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 12:02:58, skipping insertion in model container [2019-09-07 12:02:58,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:02:58" (3/3) ... [2019-09-07 12:02:58,213 INFO L109 eAbstractionObserver]: Analyzing ICFG mapavg5.i [2019-09-07 12:02:58,222 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 12:02:58,228 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 12:02:58,243 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 12:02:58,272 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 12:02:58,273 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 12:02:58,273 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 12:02:58,273 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 12:02:58,274 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 12:02:58,274 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 12:02:58,274 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 12:02:58,274 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 12:02:58,274 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 12:02:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-09-07 12:02:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-09-07 12:02:58,297 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:02:58,298 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:02:58,300 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:02:58,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:02:58,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1453772458, now seen corresponding path program 1 times [2019-09-07 12:02:58,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:02:58,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:02:58,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:58,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:58,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 12:02:58,432 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-09-07 12:02:58,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 12:02:58,433 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 12:02:58,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 12:02:58,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjunts are in the unsatisfiable core [2019-09-07 12:02:58,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:02:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-09-07 12:02:58,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 12:02:58,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-07 12:02:58,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-07 12:02:58,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-07 12:02:58,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-07 12:02:58,592 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-09-07 12:02:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:02:58,613 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2019-09-07 12:02:58,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-07 12:02:58,614 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2019-09-07 12:02:58,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:02:58,622 INFO L225 Difference]: With dead ends: 57 [2019-09-07 12:02:58,622 INFO L226 Difference]: Without dead ends: 27 [2019-09-07 12:02:58,625 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-07 12:02:58,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-09-07 12:02:58,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-09-07 12:02:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-09-07 12:02:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2019-09-07 12:02:58,665 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 33 [2019-09-07 12:02:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:02:58,665 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2019-09-07 12:02:58,666 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-07 12:02:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2019-09-07 12:02:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-09-07 12:02:58,668 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:02:58,668 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:02:58,669 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:02:58,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:02:58,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1976009436, now seen corresponding path program 1 times [2019-09-07 12:02:58,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:02:58,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:02:58,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:58,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:58,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:58,689 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:02:58,690 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:02:58,690 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:02:58,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 12:02:58,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-07 12:02:58,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:02:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 12:02:58,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 12:02:58,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 12:02:58,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 12:02:58,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 12:02:58,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 12:02:58,827 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 3 states. [2019-09-07 12:02:58,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:02:58,878 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2019-09-07 12:02:58,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 12:02:58,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-09-07 12:02:58,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:02:58,881 INFO L225 Difference]: With dead ends: 47 [2019-09-07 12:02:58,882 INFO L226 Difference]: Without dead ends: 29 [2019-09-07 12:02:58,884 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 12:02:58,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-09-07 12:02:58,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-09-07 12:02:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-09-07 12:02:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-09-07 12:02:58,897 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 33 [2019-09-07 12:02:58,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:02:58,898 INFO L475 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-09-07 12:02:58,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 12:02:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-09-07 12:02:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-09-07 12:02:58,901 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:02:58,901 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:02:58,902 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:02:58,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:02:58,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1431012774, now seen corresponding path program 1 times [2019-09-07 12:02:58,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:02:58,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:02:58,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:58,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:58,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:58,948 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:02:58,948 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:02:58,948 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:02:58,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 12:02:59,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 12:02:59,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:02:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Exception during sending of exit command (exit): Stream closed [2019-09-07 12:02:59,085 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-07 12:02:59,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-09-07 12:02:59,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 12:02:59,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 12:02:59,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 12:02:59,086 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 4 states. [2019-09-07 12:02:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:02:59,197 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2019-09-07 12:02:59,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 12:02:59,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-09-07 12:02:59,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:02:59,199 INFO L225 Difference]: With dead ends: 49 [2019-09-07 12:02:59,199 INFO L226 Difference]: Without dead ends: 31 [2019-09-07 12:02:59,202 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 12:02:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-09-07 12:02:59,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2019-09-07 12:02:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-09-07 12:02:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2019-09-07 12:02:59,215 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 35 [2019-09-07 12:02:59,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:02:59,216 INFO L475 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2019-09-07 12:02:59,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 12:02:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2019-09-07 12:02:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-09-07 12:02:59,220 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:02:59,220 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:02:59,221 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:02:59,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:02:59,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1480690264, now seen corresponding path program 2 times [2019-09-07 12:02:59,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:02:59,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:02:59,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:59,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:59,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:59,266 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:02:59,266 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:02:59,266 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:02:59,292 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-07 12:02:59,322 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-09-07 12:02:59,322 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 12:02:59,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-07 12:02:59,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:02:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-09-07 12:02:59,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 12:02:59,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 12:02:59,359 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 12:02:59,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 12:02:59,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 12:02:59,362 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 4 states. [2019-09-07 12:02:59,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:02:59,486 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2019-09-07 12:02:59,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 12:02:59,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-09-07 12:02:59,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:02:59,490 INFO L225 Difference]: With dead ends: 49 [2019-09-07 12:02:59,490 INFO L226 Difference]: Without dead ends: 32 [2019-09-07 12:02:59,490 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 12:02:59,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-09-07 12:02:59,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2019-09-07 12:02:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-09-07 12:02:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2019-09-07 12:02:59,503 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 37 [2019-09-07 12:02:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:02:59,503 INFO L475 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2019-09-07 12:02:59,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 12:02:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-09-07 12:02:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-07 12:02:59,505 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:02:59,505 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:02:59,506 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:02:59,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:02:59,506 INFO L82 PathProgramCache]: Analyzing trace with hash -36652570, now seen corresponding path program 1 times [2019-09-07 12:02:59,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:02:59,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:02:59,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:59,510 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 12:02:59,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:59,540 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:02:59,540 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:02:59,541 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-09-07 12:02:59,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:02:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 12:02:59,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 12:02:59,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:02:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 12:02:59,662 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-07 12:02:59,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-09-07 12:02:59,663 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-07 12:02:59,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-07 12:02:59,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-07 12:02:59,663 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 5 states. [2019-09-07 12:02:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:02:59,776 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2019-09-07 12:02:59,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-07 12:02:59,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2019-09-07 12:02:59,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:02:59,778 INFO L225 Difference]: With dead ends: 52 [2019-09-07 12:02:59,778 INFO L226 Difference]: Without dead ends: 34 [2019-09-07 12:02:59,778 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-07 12:02:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-09-07 12:02:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2019-09-07 12:02:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-09-07 12:02:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2019-09-07 12:02:59,785 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 43 [2019-09-07 12:02:59,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:02:59,785 INFO L475 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2019-09-07 12:02:59,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-07 12:02:59,786 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2019-09-07 12:02:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-09-07 12:02:59,787 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:02:59,787 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:02:59,787 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:02:59,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:02:59,787 INFO L82 PathProgramCache]: Analyzing trace with hash -908552284, now seen corresponding path program 2 times [2019-09-07 12:02:59,788 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:02:59,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:02:59,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:59,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:02:59,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:59,801 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:02:59,802 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:02:59,802 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-09-07 12:02:59,818 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:02:59,853 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-07 12:02:59,854 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 12:02:59,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-07 12:02:59,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:02:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-07 12:02:59,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 12:02:59,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 12:02:59,887 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 12:02:59,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 12:02:59,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 12:02:59,888 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 4 states. [2019-09-07 12:02:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:02:59,982 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2019-09-07 12:02:59,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 12:02:59,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2019-09-07 12:02:59,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:02:59,984 INFO L225 Difference]: With dead ends: 50 [2019-09-07 12:02:59,984 INFO L226 Difference]: Without dead ends: 35 [2019-09-07 12:02:59,984 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 12:02:59,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-09-07 12:02:59,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2019-09-07 12:02:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-09-07 12:02:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2019-09-07 12:02:59,990 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 49 [2019-09-07 12:02:59,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:02:59,992 INFO L475 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2019-09-07 12:02:59,992 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 12:02:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2019-09-07 12:02:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-07 12:02:59,993 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:02:59,994 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:02:59,994 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:02:59,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:02:59,994 INFO L82 PathProgramCache]: Analyzing trace with hash -712897726, now seen corresponding path program 1 times [2019-09-07 12:02:59,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:02:59,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:02:59,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:02:59,996 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 12:02:59,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:03:00,008 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:03:00,008 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:03:00,009 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:03:00,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:03:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 12:03:00,076 WARN L254 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 92 conjunts are in the unsatisfiable core [2019-09-07 12:03:00,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:03:00,145 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 12:03:00,148 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:00,161 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:03:00,162 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 12:03:00,163 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2019-09-07 12:03:00,866 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2019-09-07 12:03:01,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:01,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:01,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:01,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:01,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:01,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:01,075 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 54 [2019-09-07 12:03:01,077 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:01,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:01,102 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2019-09-07 12:03:01,105 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:01,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:01,134 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 52 [2019-09-07 12:03:01,135 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:01,155 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:01,167 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 56 [2019-09-07 12:03:01,169 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:01,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:01,189 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 67 [2019-09-07 12:03:01,191 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:01,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:01,203 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 54 [2019-09-07 12:03:01,205 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:02,150 WARN L188 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-07 12:03:02,151 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:03:02,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-09-07 12:03:02,152 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:609, output treesize:453 [2019-09-07 12:03:02,572 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-07 12:03:03,316 WARN L188 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-07 12:03:03,886 WARN L188 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-07 12:03:03,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:03,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:03,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:03,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:03,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:03,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:03,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:03,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:03,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:03,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:03,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:03,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:03,962 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 73 [2019-09-07 12:03:03,963 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:03,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:03,989 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-09-07 12:03:03,991 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,027 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 80 [2019-09-07 12:03:04,029 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,066 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 73 [2019-09-07 12:03:04,069 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,098 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 69 [2019-09-07 12:03:04,099 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,150 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 94 [2019-09-07 12:03:04,152 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,201 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 71 [2019-09-07 12:03:04,203 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,242 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 94 [2019-09-07 12:03:04,244 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,295 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 98 [2019-09-07 12:03:04,297 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,331 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-09-07 12:03:04,333 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,373 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 94 [2019-09-07 12:03:04,375 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,407 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 79 [2019-09-07 12:03:04,409 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 94 [2019-09-07 12:03:04,451 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,483 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-09-07 12:03:04,484 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,525 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 67 [2019-09-07 12:03:04,527 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 98 [2019-09-07 12:03:04,571 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,620 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-09-07 12:03:04,621 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,678 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-09-07 12:03:04,680 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,741 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-09-07 12:03:04,743 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,778 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 79 [2019-09-07 12:03:04,780 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,819 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-09-07 12:03:04,820 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,856 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-09-07 12:03:04,857 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,904 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 65 [2019-09-07 12:03:04,905 INFO L496 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,936 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-09-07 12:03:04,938 INFO L496 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:04,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:04,977 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-09-07 12:03:04,978 INFO L496 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:05,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:05,013 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-09-07 12:03:05,015 INFO L496 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:05,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:05,057 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-09-07 12:03:05,059 INFO L496 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:05,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:05,078 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 84 [2019-09-07 12:03:05,080 INFO L496 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:06,410 WARN L188 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-09-07 12:03:06,410 INFO L567 ElimStorePlain]: treesize reduction 2331, result has 18.8 percent of original size [2019-09-07 12:03:06,411 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-09-07 12:03:06,411 INFO L221 ElimStorePlain]: Needed 29 recursive calls to eliminate 1 variables, input treesize:4065, output treesize:541 [2019-09-07 12:03:06,836 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-07 12:03:06,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:06,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:06,873 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:06,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 87 [2019-09-07 12:03:06,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:06,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:06,926 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:06,962 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 72 [2019-09-07 12:03:06,963 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:06,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:06,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:06,991 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:07,024 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 70 [2019-09-07 12:03:07,025 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:07,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:07,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:07,041 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:07,063 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 74 [2019-09-07 12:03:07,065 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:07,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:07,079 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:07,103 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 68 [2019-09-07 12:03:07,104 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:07,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:07,114 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:07,121 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 83 [2019-09-07 12:03:07,122 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:07,410 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-07 12:03:07,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:03:07,413 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-09-07 12:03:07,413 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:637, output treesize:661 [2019-09-07 12:03:08,842 WARN L188 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 52 [2019-09-07 12:03:08,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:03:08,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,912 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,914 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,980 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:08,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:09,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:09,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:09,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:03:12,648 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 (+ (* 4 v_prenex_17) (- 4))) [2019-09-07 12:03:12,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:12,650 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:12,719 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:12,719 INFO L235 Elim1Store]: Index analysis took 2072 ms [2019-09-07 12:03:12,721 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 1 [2019-09-07 12:03:12,721 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:15,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:15,163 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:15,428 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:15,428 INFO L235 Elim1Store]: Index analysis took 430 ms [2019-09-07 12:03:15,429 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 67 [2019-09-07 12:03:15,430 INFO L496 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:03:16,153 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:16,154 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:16,239 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:16,240 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 55 [2019-09-07 12:03:16,241 INFO L496 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:03:18,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:18,519 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:18,624 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:18,625 INFO L235 Elim1Store]: Index analysis took 268 ms [2019-09-07 12:03:18,626 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 73 [2019-09-07 12:03:18,627 INFO L496 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:03:23,827 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 (+ (* 4 v_prenex_17) (- 4))) [2019-09-07 12:03:23,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:23,829 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:25,831 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select v_prenex_19 v_prenex_18))) (= (select .cse0 0) (select .cse0 (+ (* 4 v_prenex_17) (- 4))))) [2019-09-07 12:03:26,069 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:26,069 INFO L235 Elim1Store]: Index analysis took 4243 ms [2019-09-07 12:03:26,071 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 1 [2019-09-07 12:03:26,071 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 12:03:26,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:26,338 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:26,340 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:03:26,340 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 74 [2019-09-07 12:03:26,342 INFO L496 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:03:49,622 WARN L188 SmtUtils]: Spent 23.28 s on a formula simplification. DAG size of input: 288 DAG size of output: 168 [2019-09-07 12:03:49,622 INFO L567 ElimStorePlain]: treesize reduction 4443, result has 13.8 percent of original size [2019-09-07 12:03:49,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:03:49,958 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:03:49,959 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:03:49,959 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 62 [2019-09-07 12:03:49,961 INFO L496 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:04:00,456 WARN L188 SmtUtils]: Spent 10.49 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-07 12:04:00,456 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:00,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:04:00,570 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:04:00,572 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:00,572 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 64 [2019-09-07 12:04:00,574 INFO L496 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:04:11,227 WARN L188 SmtUtils]: Spent 10.65 s on a formula simplification that was a NOOP. DAG size: 150 [2019-09-07 12:04:11,227 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:11,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:04:11,259 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:04:11,260 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:11,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 56 [2019-09-07 12:04:11,263 INFO L496 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:04:20,804 WARN L188 SmtUtils]: Spent 9.54 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-07 12:04:20,805 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:20,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:04:20,833 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:04:20,834 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:20,835 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 73 [2019-09-07 12:04:20,836 INFO L496 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:04:28,184 WARN L188 SmtUtils]: Spent 7.35 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-07 12:04:28,184 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:28,221 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:04:28,222 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:28,223 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 79 [2019-09-07 12:04:28,224 INFO L496 ElimStorePlain]: Start of recursive call 12: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 12:04:34,499 WARN L188 SmtUtils]: Spent 6.27 s on a formula simplification that was a NOOP. DAG size: 119 [2019-09-07 12:04:34,500 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:04:34,503 INFO L496 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 6 dim-2 vars, End of recursive call: 21 dim-0 vars, and 7 xjuncts. [2019-09-07 12:04:34,503 INFO L221 ElimStorePlain]: Needed 12 recursive calls to eliminate 18 variables, input treesize:5809, output treesize:436 [2019-09-07 12:05:15,500 WARN L188 SmtUtils]: Spent 38.75 s on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2019-09-07 12:05:25,788 WARN L188 SmtUtils]: Spent 10.16 s on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2019-09-07 12:05:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-07 12:05:25,843 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-07 12:05:25,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2019-09-07 12:05:25,846 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-07 12:05:25,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-07 12:05:25,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=318, Unknown=1, NotChecked=0, Total=380 [2019-09-07 12:05:25,848 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 20 states. [2019-09-07 12:05:28,569 WARN L188 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-07 12:05:29,509 WARN L188 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-07 12:05:31,922 WARN L188 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-09-07 12:05:32,538 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-07 12:05:35,297 WARN L188 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-07 12:05:57,304 WARN L188 SmtUtils]: Spent 21.57 s on a formula simplification. DAG size of input: 124 DAG size of output: 97 [2019-09-07 12:06:06,522 WARN L188 SmtUtils]: Spent 8.98 s on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-07 12:06:06,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:06:06,629 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2019-09-07 12:06:06,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-07 12:06:06,630 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 51 [2019-09-07 12:06:06,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:06:06,633 INFO L225 Difference]: With dead ends: 82 [2019-09-07 12:06:06,633 INFO L226 Difference]: Without dead ends: 78 [2019-09-07 12:06:06,634 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 93.8s TimeCoverageRelationStatistics Valid=143, Invalid=726, Unknown=1, NotChecked=0, Total=870 [2019-09-07 12:06:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-09-07 12:06:06,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2019-09-07 12:06:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-09-07 12:06:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2019-09-07 12:06:06,659 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 51 [2019-09-07 12:06:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:06:06,660 INFO L475 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2019-09-07 12:06:06,660 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-07 12:06:06,660 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2019-09-07 12:06:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-07 12:06:06,662 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:06:06,662 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:06:06,662 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:06:06,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:06:06,663 INFO L82 PathProgramCache]: Analyzing trace with hash -446122172, now seen corresponding path program 2 times [2019-09-07 12:06:06,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:06:06,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:06:06,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:06,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:06:06,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:06,677 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:06:06,677 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:06:06,677 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:06:06,698 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-07 12:06:06,730 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-07 12:06:06,730 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 12:06:06,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-07 12:06:06,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:06:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-07 12:06:06,784 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-07 12:06:06,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-07 12:06:06,784 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 12:06:06,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 12:06:06,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-07 12:06:06,785 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand 9 states. [2019-09-07 12:06:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:06:06,966 INFO L93 Difference]: Finished difference Result 95 states and 116 transitions. [2019-09-07 12:06:06,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-07 12:06:06,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-09-07 12:06:06,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:06:06,970 INFO L225 Difference]: With dead ends: 95 [2019-09-07 12:06:06,970 INFO L226 Difference]: Without dead ends: 74 [2019-09-07 12:06:06,971 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-09-07 12:06:06,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-09-07 12:06:06,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2019-09-07 12:06:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-09-07 12:06:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 85 transitions. [2019-09-07 12:06:06,983 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 85 transitions. Word has length 53 [2019-09-07 12:06:06,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:06:06,984 INFO L475 AbstractCegarLoop]: Abstraction has 69 states and 85 transitions. [2019-09-07 12:06:06,984 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 12:06:06,984 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2019-09-07 12:06:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-07 12:06:06,987 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:06:06,987 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:06:06,987 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:06:06,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:06:06,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1593841408, now seen corresponding path program 3 times [2019-09-07 12:06:06,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:06:06,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:06:06,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:06,989 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 12:06:06,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:06,999 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:06:06,999 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:06:06,999 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:06:07,015 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-07 12:06:07,067 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2019-09-07 12:06:07,067 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 12:06:07,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-07 12:06:07,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:06:07,136 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 30 proven. 35 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-07 12:06:07,139 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-07 12:06:07,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-07 12:06:07,140 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 12:06:07,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 12:06:07,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-07 12:06:07,141 INFO L87 Difference]: Start difference. First operand 69 states and 85 transitions. Second operand 9 states. [2019-09-07 12:06:07,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:06:07,328 INFO L93 Difference]: Finished difference Result 107 states and 126 transitions. [2019-09-07 12:06:07,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-07 12:06:07,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-09-07 12:06:07,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:06:07,330 INFO L225 Difference]: With dead ends: 107 [2019-09-07 12:06:07,331 INFO L226 Difference]: Without dead ends: 83 [2019-09-07 12:06:07,331 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-09-07 12:06:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-09-07 12:06:07,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75. [2019-09-07 12:06:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-09-07 12:06:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 89 transitions. [2019-09-07 12:06:07,342 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 89 transitions. Word has length 53 [2019-09-07 12:06:07,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:06:07,343 INFO L475 AbstractCegarLoop]: Abstraction has 75 states and 89 transitions. [2019-09-07 12:06:07,343 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 12:06:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2019-09-07 12:06:07,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-07 12:06:07,344 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:06:07,344 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:06:07,345 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:06:07,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:06:07,345 INFO L82 PathProgramCache]: Analyzing trace with hash 420123264, now seen corresponding path program 4 times [2019-09-07 12:06:07,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:06:07,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:06:07,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:07,346 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 12:06:07,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:07,356 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:06:07,356 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:06:07,356 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:06:07,381 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-07 12:06:07,405 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-07 12:06:07,406 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 12:06:07,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-07 12:06:07,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:06:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-07 12:06:07,456 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-07 12:06:07,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-07 12:06:07,457 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 12:06:07,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 12:06:07,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-07 12:06:07,458 INFO L87 Difference]: Start difference. First operand 75 states and 89 transitions. Second operand 9 states. [2019-09-07 12:06:07,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:06:07,600 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2019-09-07 12:06:07,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-07 12:06:07,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-09-07 12:06:07,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:06:07,602 INFO L225 Difference]: With dead ends: 80 [2019-09-07 12:06:07,602 INFO L226 Difference]: Without dead ends: 39 [2019-09-07 12:06:07,603 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-07 12:06:07,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-09-07 12:06:07,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2019-09-07 12:06:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-09-07 12:06:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2019-09-07 12:06:07,608 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 53 [2019-09-07 12:06:07,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:06:07,609 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2019-09-07 12:06:07,609 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 12:06:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2019-09-07 12:06:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-07 12:06:07,610 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:06:07,610 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:06:07,610 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:06:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:06:07,610 INFO L82 PathProgramCache]: Analyzing trace with hash -926714494, now seen corresponding path program 5 times [2019-09-07 12:06:07,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:06:07,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:06:07,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:07,611 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 12:06:07,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:07,622 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:06:07,622 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:06:07,622 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:06:07,645 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-07 12:06:07,680 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2019-09-07 12:06:07,681 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 12:06:07,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-07 12:06:07,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:06:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 63 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Exception during sending of exit command (exit): Broken pipe [2019-09-07 12:06:07,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-07 12:06:07,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-07 12:06:07,722 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-07 12:06:07,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-07 12:06:07,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-07 12:06:07,723 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 8 states. [2019-09-07 12:06:07,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 12:06:07,829 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2019-09-07 12:06:07,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-07 12:06:07,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2019-09-07 12:06:07,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 12:06:07,831 INFO L225 Difference]: With dead ends: 64 [2019-09-07 12:06:07,831 INFO L226 Difference]: Without dead ends: 47 [2019-09-07 12:06:07,832 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-09-07 12:06:07,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-09-07 12:06:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2019-09-07 12:06:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-09-07 12:06:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2019-09-07 12:06:07,836 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 59 [2019-09-07 12:06:07,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 12:06:07,837 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2019-09-07 12:06:07,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-07 12:06:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2019-09-07 12:06:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-07 12:06:07,838 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:06:07,838 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:06:07,838 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:06:07,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:06:07,839 INFO L82 PathProgramCache]: Analyzing trace with hash 713109920, now seen corresponding path program 6 times [2019-09-07 12:06:07,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:06:07,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:06:07,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:07,840 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 12:06:07,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:06:07,849 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-07 12:06:07,850 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-07 12:06:07,850 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-07 12:06:07,870 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-07 12:06:08,045 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2019-09-07 12:06:08,046 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 12:06:08,048 WARN L254 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 118 conjunts are in the unsatisfiable core [2019-09-07 12:06:08,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 12:06:08,064 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 12:06:08,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:08,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:08,074 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 12:06:08,074 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2019-09-07 12:06:08,084 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 12:06:08,084 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:08,099 INFO L567 ElimStorePlain]: treesize reduction 3, result has 87.5 percent of original size [2019-09-07 12:06:08,099 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 12:06:08,099 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:10 [2019-09-07 12:06:08,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:08,898 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2019-09-07 12:06:09,309 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-07 12:06:09,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:09,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,488 INFO L235 Elim1Store]: Index analysis took 149 ms [2019-09-07 12:06:09,490 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 77 [2019-09-07 12:06:09,491 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:09,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,573 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 79 [2019-09-07 12:06:09,574 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:09,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,644 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 79 [2019-09-07 12:06:09,645 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:09,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,687 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 94 [2019-09-07 12:06:09,689 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:09,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,733 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 92 [2019-09-07 12:06:09,734 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:09,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:09,761 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 81 [2019-09-07 12:06:09,761 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:12,921 WARN L188 SmtUtils]: Spent 3.16 s on a formula simplification that was a NOOP. DAG size: 115 [2019-09-07 12:06:12,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:12,924 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2019-09-07 12:06:12,924 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:857, output treesize:701 [2019-09-07 12:06:13,385 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-07 12:06:13,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,603 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,608 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,619 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:13,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:15,638 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 260 DAG size of output: 230 [2019-09-07 12:06:16,237 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2019-09-07 12:06:16,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:16,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,290 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,326 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,327 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,350 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,388 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,388 INFO L235 Elim1Store]: Index analysis took 108 ms [2019-09-07 12:06:16,389 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 130 [2019-09-07 12:06:16,391 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:16,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,426 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,447 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,447 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,493 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,493 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,495 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 134 [2019-09-07 12:06:16,497 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:16,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,527 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,527 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,536 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,571 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,586 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 164 [2019-09-07 12:06:16,590 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:16,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,637 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,639 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,642 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,689 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,708 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,710 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 138 [2019-09-07 12:06:16,712 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:16,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,747 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,764 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,765 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,782 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,813 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,815 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 134 [2019-09-07 12:06:16,817 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:16,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,851 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,855 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:16,857 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:16,859 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 298 treesize of output 160 [2019-09-07 12:06:16,861 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:20,577 WARN L188 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 173 [2019-09-07 12:06:20,577 INFO L567 ElimStorePlain]: treesize reduction 378, result has 73.2 percent of original size [2019-09-07 12:06:20,580 INFO L496 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2019-09-07 12:06:20,580 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 13 variables, input treesize:1545, output treesize:1033 [2019-09-07 12:06:21,100 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-09-07 12:06:21,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:23,994 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-09-07 12:06:23,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:24,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,160 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:24,160 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 166 treesize of output 225 [2019-09-07 12:06:24,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,167 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 12:06:24,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,312 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:24,313 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 187 treesize of output 242 [2019-09-07 12:06:24,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,320 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 12:06:24,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,504 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:24,505 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 162 treesize of output 229 [2019-09-07 12:06:24,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,517 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 12:06:24,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,649 INFO L235 Elim1Store]: Index analysis took 105 ms [2019-09-07 12:06:24,687 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:24,688 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 172 treesize of output 231 [2019-09-07 12:06:24,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,696 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 12:06:24,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,834 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:24,834 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 191 treesize of output 246 [2019-09-07 12:06:24,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,842 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 12:06:24,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:24,934 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:24,935 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 160 treesize of output 227 [2019-09-07 12:06:24,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:24,943 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 12:06:28,452 WARN L188 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 264 DAG size of output: 201 [2019-09-07 12:06:28,452 INFO L567 ElimStorePlain]: treesize reduction 832, result has 53.9 percent of original size [2019-09-07 12:06:28,458 INFO L496 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2019-09-07 12:06:28,458 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 13 variables, input treesize:1039, output treesize:1059 [2019-09-07 12:06:29,380 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-07 12:06:29,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:29,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:31,102 WARN L188 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2019-09-07 12:06:31,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-09-07 12:06:31,408 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-07 12:06:33,552 WARN L188 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 50 [2019-09-07 12:06:33,695 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-07 12:06:33,940 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-07 12:06:34,086 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-07 12:06:34,427 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-07 12:06:34,579 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-07 12:06:36,023 WARN L188 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 187 [2019-09-07 12:06:36,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:36,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,059 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,062 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,086 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 102 [2019-09-07 12:06:36,114 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:36,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,136 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,140 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,149 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,195 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 100 [2019-09-07 12:06:36,196 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:36,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,237 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,237 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,269 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,296 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 117 [2019-09-07 12:06:36,297 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:36,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,315 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,319 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,328 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,387 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 121 [2019-09-07 12:06:36,389 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:36,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,410 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,419 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,419 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,449 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,477 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 106 [2019-09-07 12:06:36,478 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:36,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,496 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,499 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:36,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:36,516 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 104 [2019-09-07 12:06:36,517 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-09-07 12:06:37,584 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-07 12:06:37,585 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:37,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2019-09-07 12:06:37,589 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 14 variables, input treesize:969, output treesize:939 [2019-09-07 12:06:38,227 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-09-07 12:06:39,116 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2019-09-07 12:06:39,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:39,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:39,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:39,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:39,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:39,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:39,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:39,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:39,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 12:06:39,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:39,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 12:06:45,321 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (* 4 v_prenex_108) 0) [2019-09-07 12:06:45,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:06:45,328 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:06:45,331 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:06:45,331 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 216 treesize of output 115 [2019-09-07 12:06:45,333 INFO L496 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-09-07 12:14:40,481 WARN L188 SmtUtils]: Spent 7.92 m on a formula simplification. DAG size of input: 1438 DAG size of output: 377 [2019-09-07 12:14:40,481 INFO L567 ElimStorePlain]: treesize reduction 5899, result has 21.4 percent of original size [2019-09-07 12:14:40,482 INFO L464 ElimStorePlain]: Eliminatee v_prenex_207 vanished before elimination [2019-09-07 12:14:40,482 INFO L464 ElimStorePlain]: Eliminatee v_prenex_81 vanished before elimination [2019-09-07 12:14:41,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:14:41,228 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:14:41,230 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:14:41,230 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 104 [2019-09-07 12:14:41,231 INFO L496 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-09-07 12:16:17,975 WARN L188 SmtUtils]: Spent 1.61 m on a formula simplification that was a NOOP. DAG size: 372 [2019-09-07 12:16:17,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:16:17,976 INFO L464 ElimStorePlain]: Eliminatee v_prenex_89 vanished before elimination [2019-09-07 12:16:17,976 INFO L464 ElimStorePlain]: Eliminatee |#memory_int| vanished before elimination [2019-09-07 12:16:17,976 INFO L464 ElimStorePlain]: Eliminatee v_prenex_192 vanished before elimination [2019-09-07 12:16:18,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:16:18,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 12:16:18,488 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:16:18,491 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:16:18,491 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 164 treesize of output 89 [2019-09-07 12:16:18,493 INFO L496 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-09-07 12:17:33,330 WARN L188 SmtUtils]: Spent 1.25 m on a formula simplification that was a NOOP. DAG size: 367 [2019-09-07 12:17:33,330 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:17:33,330 INFO L464 ElimStorePlain]: Eliminatee v_prenex_152 vanished before elimination [2019-09-07 12:17:33,331 INFO L464 ElimStorePlain]: Eliminatee v_prenex_197 vanished before elimination [2019-09-07 12:17:33,426 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 12:17:33,428 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 12:17:33,429 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 82 [2019-09-07 12:17:33,430 INFO L496 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts.