java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8c3fbe1 [2018-10-22 15:36:18,361 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 15:36:18,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 15:36:18,375 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 15:36:18,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 15:36:18,376 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 15:36:18,378 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 15:36:18,380 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 15:36:18,381 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 15:36:18,382 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 15:36:18,383 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 15:36:18,383 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 15:36:18,384 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 15:36:18,386 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 15:36:18,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 15:36:18,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 15:36:18,389 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 15:36:18,391 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 15:36:18,393 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 15:36:18,395 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 15:36:18,396 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 15:36:18,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 15:36:18,400 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-22 15:36:18,400 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-22 15:36:18,400 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-22 15:36:18,401 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-22 15:36:18,402 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-22 15:36:18,403 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-22 15:36:18,404 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-22 15:36:18,405 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-22 15:36:18,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-22 15:36:18,406 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-22 15:36:18,409 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-22 15:36:18,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 15:36:18,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 15:36:18,425 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 15:36:18,425 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-22 15:36:18,426 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-22 15:36:18,426 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-22 15:36:18,426 INFO L133 SettingsManager]: * Use SBE=true [2018-10-22 15:36:18,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 15:36:18,427 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 15:36:18,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 15:36:18,427 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 15:36:18,427 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 15:36:18,427 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 15:36:18,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 15:36:18,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 15:36:18,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 15:36:18,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 15:36:18,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 15:36:18,429 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 15:36:18,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:36:18,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 15:36:18,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 15:36:18,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 15:36:18,430 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-22 15:36:18,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 15:36:18,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 15:36:18,430 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 15:36:18,431 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-22 15:36:18,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 15:36:18,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 15:36:18,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 15:36:18,508 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 15:36:18,509 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 15:36:18,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-22 15:36:18,584 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/419147f7a/40e2168e4afd43b4add30562a2911f12/FLAG4d1767ec0 [2018-10-22 15:36:19,071 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 15:36:19,075 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-10-22 15:36:19,084 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/419147f7a/40e2168e4afd43b4add30562a2911f12/FLAG4d1767ec0 [2018-10-22 15:36:19,106 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/419147f7a/40e2168e4afd43b4add30562a2911f12 [2018-10-22 15:36:19,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 15:36:19,123 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-22 15:36:19,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 15:36:19,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 15:36:19,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 15:36:19,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eff4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19, skipping insertion in model container [2018-10-22 15:36:19,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 15:36:19,177 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 15:36:19,405 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:36:19,409 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 15:36:19,442 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:36:19,464 INFO L193 MainTranslator]: Completed translation [2018-10-22 15:36:19,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19 WrapperNode [2018-10-22 15:36:19,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 15:36:19,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 15:36:19,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 15:36:19,466 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 15:36:19,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 15:36:19,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 15:36:19,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 15:36:19,520 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 15:36:19,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... [2018-10-22 15:36:19,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 15:36:19,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 15:36:19,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 15:36:19,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 15:36:19,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:36:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-22 15:36:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-22 15:36:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 15:36:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 15:36:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-22 15:36:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-22 15:36:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-22 15:36:20,264 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 15:36:20,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:36:20 BoogieIcfgContainer [2018-10-22 15:36:20,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 15:36:20,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 15:36:20,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 15:36:20,269 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 15:36:20,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:36:19" (1/3) ... [2018-10-22 15:36:20,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ffb43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:36:20, skipping insertion in model container [2018-10-22 15:36:20,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:36:19" (2/3) ... [2018-10-22 15:36:20,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ffb43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:36:20, skipping insertion in model container [2018-10-22 15:36:20,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:36:20" (3/3) ... [2018-10-22 15:36:20,274 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal_false-unreach-call.i [2018-10-22 15:36:20,282 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 15:36:20,292 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 15:36:20,309 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 15:36:20,345 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 15:36:20,346 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 15:36:20,346 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 15:36:20,346 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 15:36:20,346 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 15:36:20,347 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 15:36:20,347 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 15:36:20,347 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 15:36:20,347 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 15:36:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-22 15:36:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-22 15:36:20,373 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:20,374 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:20,377 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:20,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:20,383 INFO L82 PathProgramCache]: Analyzing trace with hash -339704674, now seen corresponding path program 1 times [2018-10-22 15:36:20,385 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:20,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:20,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:20,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:20,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:36:20,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:36:20,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-22 15:36:20,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-22 15:36:20,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-22 15:36:20,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 15:36:20,592 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-10-22 15:36:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:20,615 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2018-10-22 15:36:20,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-22 15:36:20,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-22 15:36:20,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:20,630 INFO L225 Difference]: With dead ends: 97 [2018-10-22 15:36:20,630 INFO L226 Difference]: Without dead ends: 51 [2018-10-22 15:36:20,634 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 15:36:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-22 15:36:20,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-10-22 15:36:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-22 15:36:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-10-22 15:36:20,679 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 27 [2018-10-22 15:36:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:20,680 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-10-22 15:36:20,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-22 15:36:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-22 15:36:20,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-22 15:36:20,682 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:20,682 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:20,683 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:20,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:20,683 INFO L82 PathProgramCache]: Analyzing trace with hash 726923163, now seen corresponding path program 1 times [2018-10-22 15:36:20,683 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:20,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:20,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:20,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:20,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:36:20,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:36:20,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-22 15:36:20,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-22 15:36:20,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-22 15:36:20,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-22 15:36:20,899 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 3 states. [2018-10-22 15:36:21,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:21,238 INFO L93 Difference]: Finished difference Result 110 states and 129 transitions. [2018-10-22 15:36:21,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-22 15:36:21,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-10-22 15:36:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:21,240 INFO L225 Difference]: With dead ends: 110 [2018-10-22 15:36:21,240 INFO L226 Difference]: Without dead ends: 80 [2018-10-22 15:36:21,242 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-22 15:36:21,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-10-22 15:36:21,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 53. [2018-10-22 15:36:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-10-22 15:36:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2018-10-22 15:36:21,250 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 33 [2018-10-22 15:36:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:21,251 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2018-10-22 15:36:21,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-22 15:36:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-22 15:36:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-22 15:36:21,253 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:21,253 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:21,253 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:21,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:21,254 INFO L82 PathProgramCache]: Analyzing trace with hash -185760328, now seen corresponding path program 1 times [2018-10-22 15:36:21,254 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:21,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:21,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:21,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:21,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:36:21,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:21,497 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:21,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:21,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:36:21,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-22 15:36:21,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-10-22 15:36:21,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-22 15:36:21,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-22 15:36:21,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-22 15:36:21,801 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 7 states. [2018-10-22 15:36:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:22,446 INFO L93 Difference]: Finished difference Result 237 states and 284 transitions. [2018-10-22 15:36:22,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-22 15:36:22,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-10-22 15:36:22,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:22,456 INFO L225 Difference]: With dead ends: 237 [2018-10-22 15:36:22,458 INFO L226 Difference]: Without dead ends: 201 [2018-10-22 15:36:22,459 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-10-22 15:36:22,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-10-22 15:36:22,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 78. [2018-10-22 15:36:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-22 15:36:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2018-10-22 15:36:22,487 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 38 [2018-10-22 15:36:22,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:22,487 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2018-10-22 15:36:22,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-22 15:36:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2018-10-22 15:36:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-22 15:36:22,491 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:22,491 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:22,493 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:22,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:22,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1008905161, now seen corresponding path program 1 times [2018-10-22 15:36:22,494 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:22,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:22,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:22,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:22,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-22 15:36:22,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:22,796 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:22,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:22,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-22 15:36:22,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-22 15:36:22,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-10-22 15:36:22,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-22 15:36:22,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-22 15:36:22,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-22 15:36:22,918 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand 6 states. [2018-10-22 15:36:23,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:23,782 INFO L93 Difference]: Finished difference Result 261 states and 323 transitions. [2018-10-22 15:36:23,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-22 15:36:23,783 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-10-22 15:36:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:23,785 INFO L225 Difference]: With dead ends: 261 [2018-10-22 15:36:23,785 INFO L226 Difference]: Without dead ends: 217 [2018-10-22 15:36:23,786 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-22 15:36:23,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-10-22 15:36:23,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 116. [2018-10-22 15:36:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-22 15:36:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2018-10-22 15:36:23,803 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 54 [2018-10-22 15:36:23,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:23,803 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2018-10-22 15:36:23,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-22 15:36:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2018-10-22 15:36:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-22 15:36:23,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:23,806 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:23,806 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:23,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:23,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1053032348, now seen corresponding path program 1 times [2018-10-22 15:36:23,807 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:23,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:23,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:23,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:23,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-22 15:36:23,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:23,940 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:23,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:23,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:24,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-22 15:36:24,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 11 treesize of output 3 [2018-10-22 15:36:24,158 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:36:24,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:36:24,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:36:24,191 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-22 15:36:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-22 15:36:24,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-22 15:36:24,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-10-22 15:36:24,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-22 15:36:24,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-22 15:36:24,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-22 15:36:24,309 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 11 states. [2018-10-22 15:36:25,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:25,011 INFO L93 Difference]: Finished difference Result 236 states and 279 transitions. [2018-10-22 15:36:25,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-22 15:36:25,013 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2018-10-22 15:36:25,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:25,015 INFO L225 Difference]: With dead ends: 236 [2018-10-22 15:36:25,015 INFO L226 Difference]: Without dead ends: 153 [2018-10-22 15:36:25,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-10-22 15:36:25,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-22 15:36:25,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 137. [2018-10-22 15:36:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-10-22 15:36:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-10-22 15:36:25,030 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 61 [2018-10-22 15:36:25,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:25,031 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-10-22 15:36:25,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-22 15:36:25,031 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-10-22 15:36:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-22 15:36:25,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:25,034 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:25,034 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:25,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:25,035 INFO L82 PathProgramCache]: Analyzing trace with hash -2097353364, now seen corresponding path program 1 times [2018-10-22 15:36:25,035 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:25,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:25,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:25,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:25,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-22 15:36:25,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:25,244 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:25,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:25,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:25,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-10-22 15:36:25,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-10-22 15:36:25,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:36:25,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:36:25,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:36:25,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-22 15:36:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-22 15:36:25,741 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:36:25,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2018-10-22 15:36:25,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-22 15:36:25,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-22 15:36:25,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-10-22 15:36:25,742 INFO L87 Difference]: Start difference. First operand 137 states and 157 transitions. Second operand 12 states. [2018-10-22 15:36:26,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:26,649 INFO L93 Difference]: Finished difference Result 405 states and 484 transitions. [2018-10-22 15:36:26,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-22 15:36:26,651 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 69 [2018-10-22 15:36:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:26,656 INFO L225 Difference]: With dead ends: 405 [2018-10-22 15:36:26,657 INFO L226 Difference]: Without dead ends: 305 [2018-10-22 15:36:26,660 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-10-22 15:36:26,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-10-22 15:36:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 164. [2018-10-22 15:36:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-10-22 15:36:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 188 transitions. [2018-10-22 15:36:26,686 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 188 transitions. Word has length 69 [2018-10-22 15:36:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:26,686 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 188 transitions. [2018-10-22 15:36:26,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-22 15:36:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2018-10-22 15:36:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-22 15:36:26,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:26,689 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:26,689 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:26,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:26,690 INFO L82 PathProgramCache]: Analyzing trace with hash -694944423, now seen corresponding path program 1 times [2018-10-22 15:36:26,690 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:26,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:26,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:26,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:26,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-22 15:36:27,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:27,102 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:27,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:27,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-22 15:36:27,227 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:36:27,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-22 15:36:27,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-22 15:36:27,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-22 15:36:27,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-22 15:36:27,228 INFO L87 Difference]: Start difference. First operand 164 states and 188 transitions. Second operand 10 states. [2018-10-22 15:36:29,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:29,254 INFO L93 Difference]: Finished difference Result 825 states and 985 transitions. [2018-10-22 15:36:29,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-22 15:36:29,254 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2018-10-22 15:36:29,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:29,261 INFO L225 Difference]: With dead ends: 825 [2018-10-22 15:36:29,262 INFO L226 Difference]: Without dead ends: 689 [2018-10-22 15:36:29,263 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2018-10-22 15:36:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-10-22 15:36:29,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 193. [2018-10-22 15:36:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-22 15:36:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 221 transitions. [2018-10-22 15:36:29,302 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 221 transitions. Word has length 76 [2018-10-22 15:36:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:29,303 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 221 transitions. [2018-10-22 15:36:29,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-22 15:36:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 221 transitions. [2018-10-22 15:36:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-22 15:36:29,305 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:29,311 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:29,311 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:29,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:29,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1181534606, now seen corresponding path program 2 times [2018-10-22 15:36:29,314 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:29,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:29,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:29,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:29,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-22 15:36:29,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:29,460 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:29,489 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-22 15:36:29,591 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-22 15:36:29,591 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:36:29,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-22 15:36:29,680 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:36:29,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-10-22 15:36:29,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-22 15:36:29,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-22 15:36:29,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-22 15:36:29,682 INFO L87 Difference]: Start difference. First operand 193 states and 221 transitions. Second operand 6 states. [2018-10-22 15:36:30,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:30,442 INFO L93 Difference]: Finished difference Result 938 states and 1096 transitions. [2018-10-22 15:36:30,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-22 15:36:30,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-10-22 15:36:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:30,447 INFO L225 Difference]: With dead ends: 938 [2018-10-22 15:36:30,447 INFO L226 Difference]: Without dead ends: 778 [2018-10-22 15:36:30,448 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-22 15:36:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-10-22 15:36:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 198. [2018-10-22 15:36:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-10-22 15:36:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 226 transitions. [2018-10-22 15:36:30,470 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 226 transitions. Word has length 87 [2018-10-22 15:36:30,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:30,470 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 226 transitions. [2018-10-22 15:36:30,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-22 15:36:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 226 transitions. [2018-10-22 15:36:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-22 15:36:30,472 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:30,472 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:30,472 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:30,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:30,473 INFO L82 PathProgramCache]: Analyzing trace with hash 742649039, now seen corresponding path program 3 times [2018-10-22 15:36:30,473 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:30,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:30,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:30,474 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:36:30,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-22 15:36:31,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:31,216 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:31,231 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-22 15:36:31,347 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-22 15:36:31,348 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:36:31,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-22 15:36:31,433 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:36:31,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-22 15:36:31,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-22 15:36:31,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-22 15:36:31,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-22 15:36:31,434 INFO L87 Difference]: Start difference. First operand 198 states and 226 transitions. Second operand 10 states. [2018-10-22 15:36:34,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:34,408 INFO L93 Difference]: Finished difference Result 1616 states and 1887 transitions. [2018-10-22 15:36:34,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-22 15:36:34,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2018-10-22 15:36:34,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:34,427 INFO L225 Difference]: With dead ends: 1616 [2018-10-22 15:36:34,428 INFO L226 Difference]: Without dead ends: 1456 [2018-10-22 15:36:34,429 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-22 15:36:34,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-10-22 15:36:34,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 274. [2018-10-22 15:36:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-10-22 15:36:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 314 transitions. [2018-10-22 15:36:34,473 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 314 transitions. Word has length 92 [2018-10-22 15:36:34,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:34,473 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 314 transitions. [2018-10-22 15:36:34,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-22 15:36:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 314 transitions. [2018-10-22 15:36:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-22 15:36:34,475 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:34,475 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:34,476 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:34,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:34,476 INFO L82 PathProgramCache]: Analyzing trace with hash 648462843, now seen corresponding path program 4 times [2018-10-22 15:36:34,476 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:34,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:34,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:34,477 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:36:34,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 3 proven. 70 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-22 15:36:34,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:34,707 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:34,715 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-22 15:36:34,751 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-22 15:36:34,751 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:36:34,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:35,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-10-22 15:36:35,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-10-22 15:36:35,085 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:36:35,086 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:36:35,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:36:35,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-10-22 15:36:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-22 15:36:35,144 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:36:35,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2018-10-22 15:36:35,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-22 15:36:35,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-22 15:36:35,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-10-22 15:36:35,146 INFO L87 Difference]: Start difference. First operand 274 states and 314 transitions. Second operand 17 states. [2018-10-22 15:36:38,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:38,726 INFO L93 Difference]: Finished difference Result 1038 states and 1233 transitions. [2018-10-22 15:36:38,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-22 15:36:38,727 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 100 [2018-10-22 15:36:38,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:38,731 INFO L225 Difference]: With dead ends: 1038 [2018-10-22 15:36:38,731 INFO L226 Difference]: Without dead ends: 881 [2018-10-22 15:36:38,733 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=255, Invalid=2195, Unknown=0, NotChecked=0, Total=2450 [2018-10-22 15:36:38,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2018-10-22 15:36:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 395. [2018-10-22 15:36:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-22 15:36:38,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 455 transitions. [2018-10-22 15:36:38,779 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 455 transitions. Word has length 100 [2018-10-22 15:36:38,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:38,780 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 455 transitions. [2018-10-22 15:36:38,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-22 15:36:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 455 transitions. [2018-10-22 15:36:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-22 15:36:38,782 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:38,783 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:38,783 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:38,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:38,783 INFO L82 PathProgramCache]: Analyzing trace with hash 63795456, now seen corresponding path program 1 times [2018-10-22 15:36:38,784 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:38,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:38,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:38,785 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:36:38,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-10-22 15:36:39,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:39,131 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:39,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:39,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-22 15:36:39,613 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:36:39,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17] total 24 [2018-10-22 15:36:39,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-22 15:36:39,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-22 15:36:39,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2018-10-22 15:36:39,615 INFO L87 Difference]: Start difference. First operand 395 states and 455 transitions. Second operand 24 states. [2018-10-22 15:36:49,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:36:49,229 INFO L93 Difference]: Finished difference Result 2571 states and 3048 transitions. [2018-10-22 15:36:49,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-10-22 15:36:49,230 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 144 [2018-10-22 15:36:49,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:36:49,239 INFO L225 Difference]: With dead ends: 2571 [2018-10-22 15:36:49,240 INFO L226 Difference]: Without dead ends: 2303 [2018-10-22 15:36:49,245 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5103 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=547, Invalid=14459, Unknown=0, NotChecked=0, Total=15006 [2018-10-22 15:36:49,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2018-10-22 15:36:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 1335. [2018-10-22 15:36:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2018-10-22 15:36:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1566 transitions. [2018-10-22 15:36:49,402 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1566 transitions. Word has length 144 [2018-10-22 15:36:49,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:36:49,403 INFO L481 AbstractCegarLoop]: Abstraction has 1335 states and 1566 transitions. [2018-10-22 15:36:49,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-22 15:36:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1566 transitions. [2018-10-22 15:36:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-22 15:36:49,407 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:36:49,407 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:36:49,407 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:36:49,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:36:49,408 INFO L82 PathProgramCache]: Analyzing trace with hash 330790560, now seen corresponding path program 2 times [2018-10-22 15:36:49,408 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:36:49,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:36:49,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:49,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:36:49,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:36:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:36:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 3 proven. 140 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-10-22 15:36:49,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:36:49,781 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:36:49,790 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-22 15:36:49,910 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-22 15:36:49,910 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:36:49,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:36:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-22 15:36:50,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:36:50,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 19] total 27 [2018-10-22 15:36:50,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-22 15:36:50,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-22 15:36:50,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2018-10-22 15:36:50,403 INFO L87 Difference]: Start difference. First operand 1335 states and 1566 transitions. Second operand 27 states. [2018-10-22 15:36:59,519 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-22 15:37:04,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:37:04,090 INFO L93 Difference]: Finished difference Result 4588 states and 5443 transitions. [2018-10-22 15:37:04,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-10-22 15:37:04,091 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 156 [2018-10-22 15:37:04,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:37:04,103 INFO L225 Difference]: With dead ends: 4588 [2018-10-22 15:37:04,103 INFO L226 Difference]: Without dead ends: 3503 [2018-10-22 15:37:04,111 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8648 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=704, Invalid=23476, Unknown=0, NotChecked=0, Total=24180 [2018-10-22 15:37:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2018-10-22 15:37:04,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 1699. [2018-10-22 15:37:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-10-22 15:37:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 1992 transitions. [2018-10-22 15:37:04,295 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 1992 transitions. Word has length 156 [2018-10-22 15:37:04,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:37:04,296 INFO L481 AbstractCegarLoop]: Abstraction has 1699 states and 1992 transitions. [2018-10-22 15:37:04,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-22 15:37:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 1992 transitions. [2018-10-22 15:37:04,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-22 15:37:04,300 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:37:04,300 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:37:04,301 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:37:04,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:37:04,301 INFO L82 PathProgramCache]: Analyzing trace with hash 716776768, now seen corresponding path program 3 times [2018-10-22 15:37:04,301 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:37:04,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:37:04,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:37:04,302 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:37:04,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:37:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:37:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 3 proven. 184 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-10-22 15:37:04,549 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:37:04,549 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:37:04,558 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-22 15:37:05,263 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-22 15:37:05,263 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:37:05,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:37:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-10-22 15:37:05,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:37:05,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2018-10-22 15:37:05,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-22 15:37:05,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-22 15:37:05,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-10-22 15:37:05,404 INFO L87 Difference]: Start difference. First operand 1699 states and 1992 transitions. Second operand 17 states. [2018-10-22 15:37:11,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:37:11,306 INFO L93 Difference]: Finished difference Result 9578 states and 11381 transitions. [2018-10-22 15:37:11,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-10-22 15:37:11,306 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 168 [2018-10-22 15:37:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:37:11,329 INFO L225 Difference]: With dead ends: 9578 [2018-10-22 15:37:11,329 INFO L226 Difference]: Without dead ends: 7922 [2018-10-22 15:37:11,334 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=4723, Unknown=0, NotChecked=0, Total=4970 [2018-10-22 15:37:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7922 states. [2018-10-22 15:37:11,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7922 to 1758. [2018-10-22 15:37:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1758 states. [2018-10-22 15:37:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 2044 transitions. [2018-10-22 15:37:11,563 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 2044 transitions. Word has length 168 [2018-10-22 15:37:11,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:37:11,563 INFO L481 AbstractCegarLoop]: Abstraction has 1758 states and 2044 transitions. [2018-10-22 15:37:11,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-22 15:37:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2044 transitions. [2018-10-22 15:37:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-22 15:37:11,568 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:37:11,568 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:37:11,568 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:37:11,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:37:11,569 INFO L82 PathProgramCache]: Analyzing trace with hash -679187815, now seen corresponding path program 4 times [2018-10-22 15:37:11,569 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:37:11,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:37:11,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:37:11,570 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:37:11,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:37:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:37:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 3 proven. 234 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-22 15:37:12,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:37:12,371 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:37:12,381 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-22 15:37:12,440 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-22 15:37:12,440 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:37:12,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:37:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-10-22 15:37:12,574 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:37:12,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2018-10-22 15:37:12,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-22 15:37:12,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-22 15:37:12,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-10-22 15:37:12,575 INFO L87 Difference]: Start difference. First operand 1758 states and 2044 transitions. Second operand 19 states. [2018-10-22 15:37:20,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:37:20,936 INFO L93 Difference]: Finished difference Result 11133 states and 13128 transitions. [2018-10-22 15:37:20,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-10-22 15:37:20,937 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 179 [2018-10-22 15:37:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:37:20,965 INFO L225 Difference]: With dead ends: 11133 [2018-10-22 15:37:20,965 INFO L226 Difference]: Without dead ends: 9423 [2018-10-22 15:37:20,971 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=315, Invalid=7517, Unknown=0, NotChecked=0, Total=7832 [2018-10-22 15:37:20,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2018-10-22 15:37:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 1871. [2018-10-22 15:37:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1871 states. [2018-10-22 15:37:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2175 transitions. [2018-10-22 15:37:21,284 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2175 transitions. Word has length 179 [2018-10-22 15:37:21,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:37:21,284 INFO L481 AbstractCegarLoop]: Abstraction has 1871 states and 2175 transitions. [2018-10-22 15:37:21,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-22 15:37:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2175 transitions. [2018-10-22 15:37:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-22 15:37:21,288 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:37:21,289 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:37:21,289 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:37:21,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:37:21,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1096951628, now seen corresponding path program 5 times [2018-10-22 15:37:21,289 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:37:21,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:37:21,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:37:21,290 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:37:21,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:37:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:37:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-22 15:37:21,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:37:21,502 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:37:21,509 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-22 15:38:23,984 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2018-10-22 15:38:23,984 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:38:24,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:38:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-22 15:38:24,108 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:38:24,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2018-10-22 15:38:24,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-22 15:38:24,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-22 15:38:24,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-22 15:38:24,110 INFO L87 Difference]: Start difference. First operand 1871 states and 2175 transitions. Second operand 10 states. [2018-10-22 15:38:26,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:38:26,155 INFO L93 Difference]: Finished difference Result 11998 states and 14036 transitions. [2018-10-22 15:38:26,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-22 15:38:26,156 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-10-22 15:38:26,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:38:26,174 INFO L225 Difference]: With dead ends: 11998 [2018-10-22 15:38:26,174 INFO L226 Difference]: Without dead ends: 10180 [2018-10-22 15:38:26,178 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-22 15:38:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10180 states. [2018-10-22 15:38:26,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10180 to 1876. [2018-10-22 15:38:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-10-22 15:38:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2180 transitions. [2018-10-22 15:38:26,493 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2180 transitions. Word has length 190 [2018-10-22 15:38:26,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:38:26,493 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2180 transitions. [2018-10-22 15:38:26,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-22 15:38:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2180 transitions. [2018-10-22 15:38:26,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-22 15:38:26,497 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:38:26,497 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:38:26,497 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:38:26,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:38:26,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1127717455, now seen corresponding path program 6 times [2018-10-22 15:38:26,498 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:38:26,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:38:26,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:38:26,499 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:38:26,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:38:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:38:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-22 15:38:26,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:38:26,689 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:38:26,698 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-22 15:38:28,851 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2018-10-22 15:38:28,851 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:38:28,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:38:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-22 15:38:28,912 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:38:28,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-10-22 15:38:28,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-22 15:38:28,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-22 15:38:28,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-22 15:38:28,914 INFO L87 Difference]: Start difference. First operand 1876 states and 2180 transitions. Second operand 11 states. [2018-10-22 15:38:31,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:38:31,502 INFO L93 Difference]: Finished difference Result 13082 states and 15307 transitions. [2018-10-22 15:38:31,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-22 15:38:31,502 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2018-10-22 15:38:31,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:38:31,517 INFO L225 Difference]: With dead ends: 13082 [2018-10-22 15:38:31,518 INFO L226 Difference]: Without dead ends: 11264 [2018-10-22 15:38:31,521 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-10-22 15:38:31,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11264 states. [2018-10-22 15:38:31,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11264 to 1881. [2018-10-22 15:38:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-10-22 15:38:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2185 transitions. [2018-10-22 15:38:31,921 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2185 transitions. Word has length 195 [2018-10-22 15:38:31,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:38:31,921 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 2185 transitions. [2018-10-22 15:38:31,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-22 15:38:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2185 transitions. [2018-10-22 15:38:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-22 15:38:31,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:38:31,924 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:38:31,924 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:38:31,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:38:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1626378540, now seen corresponding path program 7 times [2018-10-22 15:38:31,925 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:38:31,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:38:31,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:38:31,925 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:38:31,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:38:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:38:32,193 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-22 15:38:32,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:38:32,193 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:38:32,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:38:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:38:32,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:38:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-10-22 15:38:32,417 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:38:32,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2018-10-22 15:38:32,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-22 15:38:32,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-22 15:38:32,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-22 15:38:32,418 INFO L87 Difference]: Start difference. First operand 1881 states and 2185 transitions. Second operand 12 states. [2018-10-22 15:38:35,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:38:35,570 INFO L93 Difference]: Finished difference Result 14166 states and 16578 transitions. [2018-10-22 15:38:35,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-22 15:38:35,571 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2018-10-22 15:38:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:38:35,584 INFO L225 Difference]: With dead ends: 14166 [2018-10-22 15:38:35,584 INFO L226 Difference]: Without dead ends: 12348 [2018-10-22 15:38:35,588 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-22 15:38:35,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12348 states. [2018-10-22 15:38:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12348 to 1886. [2018-10-22 15:38:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-10-22 15:38:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2190 transitions. [2018-10-22 15:38:35,955 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2190 transitions. Word has length 200 [2018-10-22 15:38:35,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:38:35,955 INFO L481 AbstractCegarLoop]: Abstraction has 1886 states and 2190 transitions. [2018-10-22 15:38:35,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-22 15:38:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2190 transitions. [2018-10-22 15:38:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-22 15:38:35,957 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:38:35,958 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:38:35,958 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:38:35,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:38:35,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1468030063, now seen corresponding path program 8 times [2018-10-22 15:38:35,958 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:38:35,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:38:35,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:38:35,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:38:35,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:38:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:38:37,368 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2018-10-22 15:38:39,382 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2018-10-22 15:38:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 32 proven. 447 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-22 15:38:40,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:38:40,045 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:38:40,053 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-22 15:38:40,238 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-22 15:38:40,238 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-22 15:38:40,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:38:40,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-22 15:38:40,264 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,272 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-22 15:38:40,277 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,279 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-22 15:38:40,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,287 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,287 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-10-22 15:38:40,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-22 15:38:40,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-22 15:38:40,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,312 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,321 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,321 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-10-22 15:38:40,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-10-22 15:38:40,425 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2018-10-22 15:38:40,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,440 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,453 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-10-22 15:38:40,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2018-10-22 15:38:40,555 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,555 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,560 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-10-22 15:38:40,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,637 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2018-10-22 15:38:40,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-10-22 15:38:40,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,823 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,848 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,869 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,895 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,915 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,917 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,919 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,921 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,921 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:40,922 INFO L303 Elim1Store]: Index analysis took 198 ms [2018-10-22 15:38:40,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-10-22 15:38:40,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:40,969 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:42 [2018-10-22 15:38:41,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-10-22 15:38:41,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,057 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,058 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,060 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,061 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,063 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,064 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,065 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,067 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,068 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,070 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,071 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,073 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,074 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,075 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 244 [2018-10-22 15:38:41,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,149 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2018-10-22 15:38:41,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2018-10-22 15:38:41,217 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,230 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,231 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,231 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,232 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,234 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,236 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,238 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,240 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,242 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,244 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,246 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,247 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,248 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,251 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,253 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,257 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,259 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,260 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,264 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,266 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 30 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 363 [2018-10-22 15:38:41,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,359 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,376 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2018-10-22 15:38:41,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 51 [2018-10-22 15:38:41,459 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,460 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,461 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,462 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,465 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,469 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,470 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,473 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,479 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,480 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,483 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,485 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,489 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,491 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,492 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,499 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,500 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,504 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,507 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,512 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,514 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,516 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 42 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 506 [2018-10-22 15:38:41,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,652 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:41,715 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2018-10-22 15:38:41,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 58 [2018-10-22 15:38:41,816 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,818 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,819 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,822 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,824 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,825 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,827 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,828 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,831 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,832 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,834 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,835 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,837 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,838 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,841 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,844 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,846 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,847 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,849 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,850 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,851 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,853 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,854 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,856 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,859 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,860 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,862 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,863 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,863 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,865 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,866 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,869 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,871 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,874 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,875 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,879 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,882 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,886 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,888 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,890 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,892 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,893 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,895 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,896 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,898 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:41,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 56 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 673 [2018-10-22 15:38:41,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:42,097 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:42,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:42,119 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2018-10-22 15:38:42,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 65 [2018-10-22 15:38:42,270 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,363 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,411 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,436 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,461 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,512 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,526 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,623 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,627 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,629 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,630 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,632 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,634 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,635 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,637 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,641 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,647 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,648 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,650 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,652 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,655 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,657 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,658 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,670 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,671 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,672 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,673 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,677 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,678 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,680 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,681 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,683 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,685 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,688 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,690 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,693 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,695 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,696 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,698 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,699 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,700 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,701 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,704 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,714 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,716 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,717 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,718 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,719 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,720 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:42,722 INFO L303 Elim1Store]: Index analysis took 499 ms [2018-10-22 15:38:42,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 72 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 864 [2018-10-22 15:38:42,728 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:43,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:43,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:43,290 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2018-10-22 15:38:43,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 72 [2018-10-22 15:38:43,398 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,400 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,401 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,415 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,417 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,420 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,425 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,426 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,448 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,449 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,451 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,452 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,454 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,456 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,459 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,461 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,464 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,469 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,471 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,477 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,480 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,481 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,483 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,487 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,487 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,489 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,491 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,492 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,494 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,500 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,505 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,512 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,517 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,518 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,522 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,524 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,530 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,532 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,537 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,539 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,544 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,546 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,552 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,554 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:43,564 INFO L303 Elim1Store]: Index analysis took 168 ms [2018-10-22 15:38:43,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 90 disjoint index pairs (out of 36 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 1079 [2018-10-22 15:38:43,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:43,961 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:43,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:43,993 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:100, output treesize:96 [2018-10-22 15:38:44,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 79 [2018-10-22 15:38:44,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,188 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,190 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,192 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,193 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,195 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,196 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,197 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,199 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,201 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,203 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,204 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,206 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,207 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,211 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,212 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,214 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,217 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,219 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,220 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,222 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,224 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,225 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,226 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,227 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,228 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,231 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,235 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,236 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,238 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,239 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,243 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,244 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,245 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,246 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,247 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,249 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,252 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,253 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,257 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,259 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,264 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,266 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,268 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,269 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,270 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,273 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,277 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,280 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,283 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,287 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,290 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,294 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,299 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,301 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,302 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,304 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,307 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,309 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,314 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,320 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,323 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,326 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,327 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,329 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,334 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,338 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,349 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:44,355 INFO L303 Elim1Store]: Index analysis took 195 ms [2018-10-22 15:38:44,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 110 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 1318 [2018-10-22 15:38:44,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:44,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:44,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:44,922 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:109, output treesize:105 [2018-10-22 15:38:45,236 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:45,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:45,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,313 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:45,478 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:45,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:45,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,569 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:45,759 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:45,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:45,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:45,839 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:45,994 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:46,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:46,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,124 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:46,282 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:46,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:46,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,323 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,365 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:46,537 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:46,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:46,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,622 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:46,777 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:46,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:46,783 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:46,861 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:47,092 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:47,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:47,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,173 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:108 [2018-10-22 15:38:47,519 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 112 [2018-10-22 15:38:47,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-22 15:38:47,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,557 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:105 [2018-10-22 15:38:47,608 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-10-22 15:38:47,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-22 15:38:47,612 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,731 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,768 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:120, output treesize:105 [2018-10-22 15:38:47,781 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 112 [2018-10-22 15:38:47,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-22 15:38:47,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:47,857 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:118, output treesize:114 [2018-10-22 15:38:49,653 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-10-22 15:38:54,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 106 [2018-10-22 15:38:54,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-10-22 15:38:54,822 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:54,865 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,866 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,867 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,870 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,871 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,873 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,874 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,875 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,876 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,879 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,881 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,882 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,884 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,888 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,889 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,890 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,891 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,892 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,893 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,895 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,896 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,897 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,898 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,899 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,900 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,901 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,904 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,905 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,906 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,907 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,908 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,909 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,911 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,912 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,914 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,915 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,916 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,917 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,920 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,921 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,923 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,924 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,925 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,928 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,931 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,933 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,934 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,939 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,948 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,949 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,950 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,964 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,967 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,969 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,970 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,974 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,979 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,980 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,982 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,983 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,984 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,985 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,987 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,988 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,989 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,990 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,992 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,993 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,994 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,995 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:38:54,996 INFO L303 Elim1Store]: Index analysis took 134 ms [2018-10-22 15:38:54,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 110 disjoint index pairs (out of 55 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 503 [2018-10-22 15:38:55,000 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-22 15:38:55,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:55,225 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:38:55,226 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:138, output treesize:7 [2018-10-22 15:38:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 82 proven. 635 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-22 15:38:56,017 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:38:56,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 51] total 82 [2018-10-22 15:38:56,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-10-22 15:38:56,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-10-22 15:38:56,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=911, Invalid=5731, Unknown=0, NotChecked=0, Total=6642 [2018-10-22 15:38:56,021 INFO L87 Difference]: Start difference. First operand 1886 states and 2190 transitions. Second operand 82 states. [2018-10-22 15:39:03,026 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-10-22 15:39:03,303 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2018-10-22 15:39:08,631 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2018-10-22 15:39:09,255 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2018-10-22 15:39:10,018 WARN L179 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2018-10-22 15:39:10,306 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-10-22 15:39:21,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:39:21,395 INFO L93 Difference]: Finished difference Result 22181 states and 25986 transitions. [2018-10-22 15:39:21,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-10-22 15:39:21,395 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 205 [2018-10-22 15:39:21,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:39:21,416 INFO L225 Difference]: With dead ends: 22181 [2018-10-22 15:39:21,417 INFO L226 Difference]: Without dead ends: 21549 [2018-10-22 15:39:21,426 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 157 SyntacticMatches, 23 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4974 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=3158, Invalid=18598, Unknown=0, NotChecked=0, Total=21756 [2018-10-22 15:39:21,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21549 states. [2018-10-22 15:39:22,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21549 to 3391. [2018-10-22 15:39:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3391 states. [2018-10-22 15:39:22,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 3906 transitions. [2018-10-22 15:39:22,478 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 3906 transitions. Word has length 205 [2018-10-22 15:39:22,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:39:22,479 INFO L481 AbstractCegarLoop]: Abstraction has 3391 states and 3906 transitions. [2018-10-22 15:39:22,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-10-22 15:39:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3906 transitions. [2018-10-22 15:39:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-22 15:39:22,484 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:39:22,484 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 15:39:22,484 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:39:22,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:39:22,485 INFO L82 PathProgramCache]: Analyzing trace with hash 580746739, now seen corresponding path program 1 times [2018-10-22 15:39:22,485 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-22 15:39:22,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-22 15:39:22,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:39:22,486 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-22 15:39:22,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:39:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:39:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 467 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-22 15:39:23,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:39:23,222 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:39:23,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:39:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:39:23,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:39:23,902 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-22 15:39:23,924 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-22 15:39:23,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29] total 37 [2018-10-22 15:39:23,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-22 15:39:23,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-22 15:39:23,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2018-10-22 15:39:23,925 INFO L87 Difference]: Start difference. First operand 3391 states and 3906 transitions. Second operand 37 states. Received shutdown request... [2018-10-22 15:40:32,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 544 states. [2018-10-22 15:40:32,416 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-22 15:40:32,421 WARN L205 ceAbstractionStarter]: Timeout [2018-10-22 15:40:32,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 03:40:32 BoogieIcfgContainer [2018-10-22 15:40:32,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 15:40:32,422 INFO L168 Benchmark]: Toolchain (without parser) took 253300.47 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 379.2 MB. Max. memory is 7.1 GB. [2018-10-22 15:40:32,423 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:40:32,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-22 15:40:32,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:40:32,424 INFO L168 Benchmark]: Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-22 15:40:32,424 INFO L168 Benchmark]: RCFGBuilder took 709.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2018-10-22 15:40:32,425 INFO L168 Benchmark]: TraceAbstraction took 252155.49 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 901.3 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -501.5 MB). Peak memory consumption was 399.7 MB. Max. memory is 7.1 GB. [2018-10-22 15:40:32,427 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 341.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 709.50 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252155.49 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 901.3 MB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -501.5 MB). Peak memory consumption was 399.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 5]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 5). Cancelled while BasicCegarLoop was constructing difference of abstraction (3391states) and FLOYD_HOARE automaton (currently 544 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (46425 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. TIMEOUT Result, 252.0s OverallTime, 19 OverallIterations, 11 TraceHistogramMax, 152.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9401 SDtfs, 18000 SDslu, 183642 SDs, 0 SdLazy, 124721 SolverSat, 2709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3651 GetRequests, 2322 SyntacticMatches, 30 SemanticMatches, 1299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160349 ImplicationChecksByTransitivity, 48.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3391occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 65947 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 66.6s SatisfiabilityAnalysisTime, 28.0s InterpolantComputationTime, 4498 NumberOfCodeBlocks, 4405 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 4462 ConstructedInterpolants, 1 QuantifiedInterpolants, 7224330 SizeOfPredicates, 70 NumberOfNonLiveVariables, 4047 ConjunctsInSsa, 521 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 6078/10858 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown