java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/loops/sum_array_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 16:35:16,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 16:35:16,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 16:35:16,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 16:35:16,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 16:35:16,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 16:35:16,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 16:35:16,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 16:35:16,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 16:35:16,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 16:35:16,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 16:35:16,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 16:35:16,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 16:35:16,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 16:35:16,553 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 16:35:16,554 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 16:35:16,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 16:35:16,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 16:35:16,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 16:35:16,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 16:35:16,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 16:35:16,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 16:35:16,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 16:35:16,565 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 16:35:16,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 16:35:16,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 16:35:16,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 16:35:16,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 16:35:16,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 16:35:16,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 16:35:16,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 16:35:16,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 16:35:16,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 16:35:16,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 16:35:16,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 16:35:16,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 16:35:16,573 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 16:35:16,589 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 16:35:16,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 16:35:16,590 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 16:35:16,590 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 16:35:16,591 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 16:35:16,591 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 16:35:16,591 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 16:35:16,591 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 16:35:16,591 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 16:35:16,592 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 16:35:16,592 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 16:35:16,592 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 16:35:16,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 16:35:16,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 16:35:16,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 16:35:16,593 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 16:35:16,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 16:35:16,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 16:35:16,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 16:35:16,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 16:35:16,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 16:35:16,594 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 16:35:16,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 16:35:16,595 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 16:35:16,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 16:35:16,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 16:35:16,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 16:35:16,596 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 16:35:16,596 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 16:35:16,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 16:35:16,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 16:35:16,596 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 16:35:16,597 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 16:35:16,597 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 16:35:16,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 16:35:16,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 16:35:16,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 16:35:16,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 16:35:16,667 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 16:35:16,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array_true-unreach-call.i [2018-11-07 16:35:16,731 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212932077/4033b3cc86224392916fad67e949cca1/FLAG8379c4caf [2018-11-07 16:35:17,221 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 16:35:17,222 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array_true-unreach-call.i [2018-11-07 16:35:17,230 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212932077/4033b3cc86224392916fad67e949cca1/FLAG8379c4caf [2018-11-07 16:35:17,244 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212932077/4033b3cc86224392916fad67e949cca1 [2018-11-07 16:35:17,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 16:35:17,257 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 16:35:17,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 16:35:17,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 16:35:17,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 16:35:17,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e83fd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17, skipping insertion in model container [2018-11-07 16:35:17,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 16:35:17,312 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 16:35:17,509 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:35:17,513 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 16:35:17,542 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:35:17,565 INFO L193 MainTranslator]: Completed translation [2018-11-07 16:35:17,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17 WrapperNode [2018-11-07 16:35:17,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 16:35:17,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 16:35:17,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 16:35:17,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 16:35:17,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 16:35:17,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 16:35:17,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 16:35:17,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 16:35:17,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... [2018-11-07 16:35:17,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 16:35:17,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 16:35:17,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 16:35:17,640 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 16:35:17,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 16:35:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 16:35:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 16:35:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-07 16:35:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 16:35:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 16:35:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-07 16:35:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 16:35:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 16:35:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-07 16:35:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 16:35:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 16:35:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-07 16:35:18,547 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 16:35:18,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:18 BoogieIcfgContainer [2018-11-07 16:35:18,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 16:35:18,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 16:35:18,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 16:35:18,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 16:35:18,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:17" (1/3) ... [2018-11-07 16:35:18,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5563cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:18, skipping insertion in model container [2018-11-07 16:35:18,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:17" (2/3) ... [2018-11-07 16:35:18,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5563cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:18, skipping insertion in model container [2018-11-07 16:35:18,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:18" (3/3) ... [2018-11-07 16:35:18,557 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array_true-unreach-call.i [2018-11-07 16:35:18,566 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 16:35:18,574 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 16:35:18,590 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 16:35:18,625 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 16:35:18,626 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 16:35:18,626 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 16:35:18,626 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 16:35:18,626 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 16:35:18,626 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 16:35:18,627 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 16:35:18,627 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 16:35:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-11-07 16:35:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-07 16:35:18,656 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:18,657 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] [2018-11-07 16:35:18,659 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:18,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:18,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1765448667, now seen corresponding path program 1 times [2018-11-07 16:35:18,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:18,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:18,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:18,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:18,724 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:18,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:18,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 16:35:18,826 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:18,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 16:35:18,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 16:35:18,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 16:35:18,846 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-11-07 16:35:18,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:18,878 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2018-11-07 16:35:18,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 16:35:18,880 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-07 16:35:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:18,891 INFO L225 Difference]: With dead ends: 117 [2018-11-07 16:35:18,891 INFO L226 Difference]: Without dead ends: 48 [2018-11-07 16:35:18,896 INFO L604 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 [2018-11-07 16:35:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-07 16:35:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-11-07 16:35:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-07 16:35:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2018-11-07 16:35:18,939 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 25 [2018-11-07 16:35:18,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:18,939 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2018-11-07 16:35:18,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 16:35:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-11-07 16:35:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-07 16:35:18,944 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:18,944 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] [2018-11-07 16:35:18,944 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:18,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:18,945 INFO L82 PathProgramCache]: Analyzing trace with hash 914308196, now seen corresponding path program 1 times [2018-11-07 16:35:18,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:18,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:18,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:18,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:18,949 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:19,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:19,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 16:35:19,106 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:19,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 16:35:19,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 16:35:19,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-07 16:35:19,109 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 4 states. [2018-11-07 16:35:19,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:19,637 INFO L93 Difference]: Finished difference Result 116 states and 127 transitions. [2018-11-07 16:35:19,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 16:35:19,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-11-07 16:35:19,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:19,641 INFO L225 Difference]: With dead ends: 116 [2018-11-07 16:35:19,641 INFO L226 Difference]: Without dead ends: 77 [2018-11-07 16:35:19,643 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 16:35:19,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-07 16:35:19,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 54. [2018-11-07 16:35:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-07 16:35:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-11-07 16:35:19,663 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 28 [2018-11-07 16:35:19,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:19,664 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-11-07 16:35:19,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 16:35:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-11-07 16:35:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-07 16:35:19,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:19,666 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:19,666 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:19,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:19,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2001926743, now seen corresponding path program 1 times [2018-11-07 16:35:19,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:19,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:19,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:19,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:19,670 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:20,567 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-11-07 16:35:20,938 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-11-07 16:35:21,534 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 25 [2018-11-07 16:35:22,108 WARN L179 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 32 [2018-11-07 16:35:22,298 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 38 [2018-11-07 16:35:22,482 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 40 [2018-11-07 16:35:22,743 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2018-11-07 16:35:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:23,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 16:35:23,224 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 16:35:23,225 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 50 with the following transitions: [2018-11-07 16:35:23,227 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [13], [16], [18], [19], [20], [21], [31], [33], [37], [41], [44], [46], [47], [48], [49], [59], [61], [65], [69], [72], [74], [75], [76], [77], [78], [80], [84], [88], [93], [94], [95], [96], [111], [114], [116], [122], [123], [124], [126] [2018-11-07 16:35:23,266 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 16:35:23,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 16:35:23,417 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 16:35:23,862 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 16:35:23,864 INFO L272 AbstractInterpreter]: Visited 46 different actions 262 times. Merged at 24 different actions 192 times. Widened at 3 different actions 12 times. Found 27 fixpoints after 6 different actions. Largest state had 31 variables. [2018-11-07 16:35:23,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:23,891 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 16:35:23,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 16:35:23,891 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 16:35:23,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:23,902 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 16:35:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:23,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 16:35:24,009 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 [2018-11-07 16:35:24,011 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-07 16:35:24,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:35:24,071 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:35:24,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-07 16:35:24,073 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,085 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-11-07 16:35:24,186 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:35:24,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:35:24,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:35:24,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-07 16:35:24,190 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,236 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2018-11-07 16:35:24,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-07 16:35:24,774 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 18 treesize of output 17 [2018-11-07 16:35:24,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:24,792 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-11-07 16:35:25,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 39 [2018-11-07 16:35:25,232 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 17 treesize of output 10 [2018-11-07 16:35:25,233 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:25,255 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 16 treesize of output 7 [2018-11-07 16:35:25,256 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:25,267 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 13 treesize of output 6 [2018-11-07 16:35:25,267 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:25,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:25,277 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:25,278 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:51, output treesize:6 [2018-11-07 16:35:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 16:35:25,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 16:35:44,148 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-11-07 16:35:44,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 120 [2018-11-07 16:35:44,497 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-11-07 16:35:44,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:44,524 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:44,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 57 treesize of output 149 [2018-11-07 16:35:44,599 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:35:44,799 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 256 xjuncts. [2018-11-07 16:35:47,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:47,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 188 treesize of output 178 [2018-11-07 16:35:48,313 WARN L179 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 130 [2018-11-07 16:35:48,340 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:48,348 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:48,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 80 treesize of output 152 [2018-11-07 16:35:48,450 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:35:48,634 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 256 xjuncts. [2018-11-07 16:35:51,042 INFO L267 ElimStorePlain]: Start of recursive call 4: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:51,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 182 treesize of output 164 [2018-11-07 16:35:51,704 WARN L179 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2018-11-07 16:35:51,708 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:51,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 66 [2018-11-07 16:35:51,713 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:51,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 68 [2018-11-07 16:35:51,934 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:51,956 INFO L267 ElimStorePlain]: Start of recursive call 6: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:51,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 85 [2018-11-07 16:35:52,191 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2018-11-07 16:35:52,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 57 [2018-11-07 16:35:52,221 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-07 16:35:52,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 54 [2018-11-07 16:35:52,294 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-07 16:35:52,451 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:52,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 127 [2018-11-07 16:35:52,515 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 32 xjuncts. [2018-11-07 16:35:53,058 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:53,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 187 treesize of output 179 [2018-11-07 16:35:54,005 WARN L179 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 147 [2018-11-07 16:35:54,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 81 [2018-11-07 16:35:54,011 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-07 16:35:54,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:54,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 91 [2018-11-07 16:35:54,200 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2018-11-07 16:35:54,566 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:54,571 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:35:54,588 INFO L303 Elim1Store]: Index analysis took 122 ms [2018-11-07 16:35:54,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 81 treesize of output 155 [2018-11-07 16:35:54,647 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:35:54,755 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 256 xjuncts. [2018-11-07 16:35:58,754 INFO L267 ElimStorePlain]: Start of recursive call 13: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:35:58,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 111 [2018-11-07 16:35:58,959 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2018-11-07 16:35:58,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2018-11-07 16:35:58,964 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:00,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-07 16:36:00,272 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:01,659 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:01,747 INFO L303 Elim1Store]: Index analysis took 144 ms [2018-11-07 16:36:01,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 65 [2018-11-07 16:36:01,915 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 4 xjuncts. [2018-11-07 16:36:02,401 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:02,409 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:02,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 48 treesize of output 140 [2018-11-07 16:36:02,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:02,602 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:04,552 INFO L267 ElimStorePlain]: Start of recursive call 17: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:04,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 243 treesize of output 223 [2018-11-07 16:36:05,348 WARN L179 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 161 [2018-11-07 16:36:05,351 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:05,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 88 [2018-11-07 16:36:05,355 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:05,550 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:05,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 47 [2018-11-07 16:36:05,554 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:05,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-11-07 16:36:05,740 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:05,915 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:05,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 85 [2018-11-07 16:36:05,919 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:06,082 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:06,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 85 [2018-11-07 16:36:06,087 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:06,269 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:06,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 62 [2018-11-07 16:36:06,290 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-11-07 16:36:06,456 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:06,469 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:06,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 101 treesize of output 155 [2018-11-07 16:36:06,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:06,660 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:09,060 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:09,069 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:09,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 98 treesize of output 152 [2018-11-07 16:36:09,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:09,232 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:11,249 INFO L267 ElimStorePlain]: Start of recursive call 22: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:11,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 74 [2018-11-07 16:36:11,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 31 [2018-11-07 16:36:11,301 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-07 16:36:11,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 28 [2018-11-07 16:36:11,333 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:11,350 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-07 16:36:11,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 67 [2018-11-07 16:36:11,531 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2018-11-07 16:36:11,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 49 [2018-11-07 16:36:11,560 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 8 xjuncts. [2018-11-07 16:36:11,708 INFO L267 ElimStorePlain]: Start of recursive call 34: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:11,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 130 [2018-11-07 16:36:11,850 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2018-11-07 16:36:11,854 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:11,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 66 [2018-11-07 16:36:11,857 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:11,889 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:11,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 69 [2018-11-07 16:36:11,915 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:12,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 80 [2018-11-07 16:36:12,006 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-07 16:36:12,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:12,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2018-11-07 16:36:12,127 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:12,131 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:12,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 50 [2018-11-07 16:36:12,133 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:12,136 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:12,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2018-11-07 16:36:12,140 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:12,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 59 [2018-11-07 16:36:12,152 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:12,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:12,236 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:12,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 123 [2018-11-07 16:36:12,284 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 16 xjuncts. [2018-11-07 16:36:12,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:12,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:12,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 75 [2018-11-07 16:36:12,325 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:12,404 INFO L267 ElimStorePlain]: Start of recursive call 36: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-07 16:36:12,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 125 [2018-11-07 16:36:12,914 WARN L179 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 114 [2018-11-07 16:36:12,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2018-11-07 16:36:12,918 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:13,152 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:13,160 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:13,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 57 treesize of output 149 [2018-11-07 16:36:13,234 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:13,306 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:15,632 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:15,639 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:15,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 54 treesize of output 146 [2018-11-07 16:36:15,707 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:15,771 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:17,773 INFO L267 ElimStorePlain]: Start of recursive call 46: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:17,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 85 [2018-11-07 16:36:17,942 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2018-11-07 16:36:17,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 57 [2018-11-07 16:36:17,961 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-07 16:36:18,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 54 [2018-11-07 16:36:18,029 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:18,078 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:18,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 127 [2018-11-07 16:36:18,132 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 32 xjuncts. [2018-11-07 16:36:18,282 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:18,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 81 [2018-11-07 16:36:18,663 WARN L179 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2018-11-07 16:36:18,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 47 [2018-11-07 16:36:18,675 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:18,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 47 [2018-11-07 16:36:18,838 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-07 16:36:19,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 58 [2018-11-07 16:36:19,036 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 8 xjuncts. [2018-11-07 16:36:19,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 58 [2018-11-07 16:36:19,186 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 8 xjuncts. [2018-11-07 16:36:19,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 55 [2018-11-07 16:36:19,278 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 8 xjuncts. [2018-11-07 16:36:19,368 INFO L267 ElimStorePlain]: Start of recursive call 54: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:19,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 192 treesize of output 168 [2018-11-07 16:36:19,511 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2018-11-07 16:36:19,514 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:19,514 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:19,515 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:19,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 86 [2018-11-07 16:36:19,522 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:19,571 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:19,572 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:19,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:19,584 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:19,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 174 [2018-11-07 16:36:19,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:36:19,656 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 64 xjuncts. [2018-11-07 16:36:19,913 INFO L267 ElimStorePlain]: Start of recursive call 60: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:19,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 111 [2018-11-07 16:36:20,116 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2018-11-07 16:36:20,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:20,131 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:20,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 103 [2018-11-07 16:36:20,171 INFO L267 ElimStorePlain]: Start of recursive call 64: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 16 xjuncts. [2018-11-07 16:36:20,372 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:20,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 68 [2018-11-07 16:36:20,391 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 4 xjuncts. [2018-11-07 16:36:20,581 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:20,588 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:20,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 48 treesize of output 140 [2018-11-07 16:36:20,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:20,727 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:22,755 INFO L267 ElimStorePlain]: Start of recursive call 63: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:22,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 74 [2018-11-07 16:36:22,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 37 [2018-11-07 16:36:22,821 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:22,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2018-11-07 16:36:22,849 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:22,859 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:22,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 209 treesize of output 183 [2018-11-07 16:36:23,144 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2018-11-07 16:36:23,153 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:23,154 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:23,156 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:23,163 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:23,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 175 [2018-11-07 16:36:23,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:36:23,240 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 64 xjuncts. [2018-11-07 16:36:23,246 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:23,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:23,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:23,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 84 [2018-11-07 16:36:23,270 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:23,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 195 [2018-11-07 16:36:23,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-07 16:36:23,573 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 512 xjuncts. [2018-11-07 16:36:32,510 INFO L267 ElimStorePlain]: Start of recursive call 70: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:32,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 83 [2018-11-07 16:36:32,556 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:32,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 42 [2018-11-07 16:36:32,573 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:32,586 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:32,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 130 [2018-11-07 16:36:32,793 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2018-11-07 16:36:32,797 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:32,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 65 [2018-11-07 16:36:32,799 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:32,802 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:32,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 67 [2018-11-07 16:36:32,804 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:32,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 84 [2018-11-07 16:36:32,819 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:32,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2018-11-07 16:36:32,900 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:32,952 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:32,956 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:32,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 123 [2018-11-07 16:36:32,997 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 16 xjuncts. [2018-11-07 16:36:33,006 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:33,011 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:33,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 75 [2018-11-07 16:36:33,030 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-11-07 16:36:33,102 INFO L267 ElimStorePlain]: Start of recursive call 76: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:33,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 181 treesize of output 165 [2018-11-07 16:36:33,433 WARN L179 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2018-11-07 16:36:33,438 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:33,441 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:33,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 114 [2018-11-07 16:36:33,490 INFO L267 ElimStorePlain]: Start of recursive call 84: 25 dim-0 vars, End of recursive call: 25 dim-0 vars, and 16 xjuncts. [2018-11-07 16:36:34,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-11-07 16:36:34,100 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-11-07 16:36:34,115 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2018-11-07 16:36:34,117 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2018-11-07 16:36:34,120 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-07 16:36:34,122 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-11-07 16:36:34,132 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2018-11-07 16:36:34,134 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2018-11-07 16:36:34,136 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-07 16:36:34,138 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2018-11-07 16:36:34,141 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-11-07 16:36:34,144 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-07 16:36:34,148 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2018-11-07 16:36:34,151 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-11-07 16:36:34,153 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2018-11-07 16:36:34,155 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-07 16:36:34,161 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:34,387 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:34,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 64 [2018-11-07 16:36:34,390 INFO L267 ElimStorePlain]: Start of recursive call 101: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:34,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:34,443 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:34,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 149 [2018-11-07 16:36:34,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:34,596 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:36,545 INFO L267 ElimStorePlain]: Start of recursive call 83: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:36,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 125 [2018-11-07 16:36:36,981 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 114 [2018-11-07 16:36:36,990 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:36,994 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:37,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 54 treesize of output 146 [2018-11-07 16:36:37,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:36:37,114 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 256 xjuncts. [2018-11-07 16:36:39,103 INFO L267 ElimStorePlain]: Start of recursive call 103: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:39,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 67 [2018-11-07 16:36:39,271 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2018-11-07 16:36:39,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-11-07 16:36:39,275 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:39,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-07 16:36:39,355 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:39,402 INFO L267 ElimStorePlain]: Start of recursive call 105: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:39,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 53 [2018-11-07 16:36:39,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-07 16:36:39,533 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:39,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2018-11-07 16:36:39,561 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-07 16:36:39,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-07 16:36:39,592 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:39,619 INFO L267 ElimStorePlain]: Start of recursive call 108: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:39,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-07 16:36:39,668 INFO L202 ElimStorePlain]: Needed 111 recursive calls to eliminate 4 variables, input treesize:120, output treesize:18 [2018-11-07 16:36:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 16:36:43,904 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 16:36:43,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 15] total 42 [2018-11-07 16:36:43,904 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 16:36:43,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-11-07 16:36:43,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-11-07 16:36:43,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1539, Unknown=9, NotChecked=0, Total=1722 [2018-11-07 16:36:43,909 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 32 states. [2018-11-07 16:36:44,158 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2018-11-07 16:36:46,007 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-11-07 16:36:47,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:36:47,562 INFO L93 Difference]: Finished difference Result 203 states and 220 transitions. [2018-11-07 16:36:47,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-07 16:36:47,562 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 49 [2018-11-07 16:36:47,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:36:47,566 INFO L225 Difference]: With dead ends: 203 [2018-11-07 16:36:47,566 INFO L226 Difference]: Without dead ends: 140 [2018-11-07 16:36:47,568 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 75 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 28.9s TimeCoverageRelationStatistics Valid=776, Invalid=3505, Unknown=9, NotChecked=0, Total=4290 [2018-11-07 16:36:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-07 16:36:47,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 93. [2018-11-07 16:36:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-07 16:36:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2018-11-07 16:36:47,582 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 49 [2018-11-07 16:36:47,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:36:47,582 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2018-11-07 16:36:47,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-11-07 16:36:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2018-11-07 16:36:47,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-07 16:36:47,585 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:36:47,585 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:36:47,586 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:36:47,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:36:47,586 INFO L82 PathProgramCache]: Analyzing trace with hash -932694723, now seen corresponding path program 2 times [2018-11-07 16:36:47,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:36:47,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:36:47,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:36:47,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:36:47,588 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:36:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:36:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 16:36:48,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 16:36:48,018 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 16:36:48,018 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 16:36:48,018 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 16:36:48,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 16:36:48,018 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 16:36:48,027 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 16:36:48,027 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 16:36:48,165 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-07 16:36:48,165 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 16:36:48,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 16:36:48,188 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 [2018-11-07 16:36:48,188 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:48,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:48,227 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-07 16:36:48,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:48,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:48,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-07 16:36:48,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:48,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:48,382 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-11-07 16:36:48,430 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:48,432 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:48,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:48,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-07 16:36:48,435 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:48,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:48,453 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:22 [2018-11-07 16:36:48,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 49 [2018-11-07 16:36:49,020 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 36 treesize of output 35 [2018-11-07 16:36:49,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:49,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:49,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:49,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:67 [2018-11-07 16:36:49,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 68 [2018-11-07 16:36:49,316 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:36:49,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 75 [2018-11-07 16:36:49,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:49,339 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:49,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:49,376 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:99, output treesize:80 [2018-11-07 16:36:50,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2018-11-07 16:36:50,039 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:50,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-07 16:36:50,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:50,065 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:50,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-11-07 16:36:50,066 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:50,086 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:50,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-07 16:36:50,087 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 16:36:50,387 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:50,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 16:36:50,409 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:100, output treesize:6 [2018-11-07 16:36:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-07 16:36:50,549 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 16:36:58,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 320 treesize of output 286 [2018-11-07 16:36:58,609 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:58,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 238 [2018-11-07 16:36:58,619 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-07 16:36:58,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 110 [2018-11-07 16:36:59,396 WARN L179 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 90 [2018-11-07 16:36:59,500 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:59,514 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:36:59,675 INFO L303 Elim1Store]: Index analysis took 275 ms [2018-11-07 16:36:59,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 126 [2018-11-07 16:36:59,995 INFO L267 ElimStorePlain]: Start of recursive call 5: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 16 xjuncts. [2018-11-07 16:37:00,028 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:00,038 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:00,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 81 treesize of output 173 [2018-11-07 16:37:00,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:00,247 INFO L267 ElimStorePlain]: Start of recursive call 6: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:00,323 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:00,336 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:00,425 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:00,438 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:00,679 INFO L303 Elim1Store]: Index analysis took 431 ms [2018-11-07 16:37:01,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 165 [2018-11-07 16:37:01,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:01,180 INFO L267 ElimStorePlain]: Start of recursive call 7: 45 dim-0 vars, End of recursive call: 45 dim-0 vars, and 64 xjuncts. [2018-11-07 16:37:01,253 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:01,381 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:01,617 INFO L303 Elim1Store]: Index analysis took 436 ms [2018-11-07 16:37:02,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 170 [2018-11-07 16:37:02,197 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:02,304 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:02,328 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:02,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:02,483 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:02,709 INFO L303 Elim1Store]: Index analysis took 404 ms [2018-11-07 16:37:03,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 90 treesize of output 173 [2018-11-07 16:37:03,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:03,285 INFO L267 ElimStorePlain]: Start of recursive call 9: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:03,365 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:03,472 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:03,731 INFO L303 Elim1Store]: Index analysis took 445 ms [2018-11-07 16:37:04,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 88 treesize of output 176 [2018-11-07 16:37:04,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:04,182 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:04,253 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:04,377 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:04,631 INFO L303 Elim1Store]: Index analysis took 447 ms [2018-11-07 16:37:04,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 104 treesize of output 186 [2018-11-07 16:37:04,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:04,914 INFO L267 ElimStorePlain]: Start of recursive call 11: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:04,939 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:04,966 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:04,972 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:04,989 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 205 [2018-11-07 16:37:05,088 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:05,104 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 64 xjuncts. [2018-11-07 16:37:05,131 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,137 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,141 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,146 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 212 [2018-11-07 16:37:05,267 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:05,291 INFO L267 ElimStorePlain]: Start of recursive call 13: 42 dim-0 vars, End of recursive call: 42 dim-0 vars, and 64 xjuncts. [2018-11-07 16:37:05,302 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,311 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 93 treesize of output 177 [2018-11-07 16:37:05,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:05,487 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:05,497 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,508 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 170 [2018-11-07 16:37:05,585 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:05,647 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:05,659 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,671 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 85 treesize of output 171 [2018-11-07 16:37:05,753 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:05,857 INFO L267 ElimStorePlain]: Start of recursive call 16: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:05,897 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,912 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:05,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 182 [2018-11-07 16:37:05,988 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:06,057 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:06,083 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,116 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,237 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,285 INFO L303 Elim1Store]: Index analysis took 227 ms [2018-11-07 16:37:06,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 99 treesize of output 180 [2018-11-07 16:37:06,335 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:06,382 INFO L267 ElimStorePlain]: Start of recursive call 18: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:06,403 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,405 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,408 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,417 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 203 [2018-11-07 16:37:06,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:06,521 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 64 xjuncts. [2018-11-07 16:37:06,545 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,582 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,693 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,712 INFO L303 Elim1Store]: Index analysis took 189 ms [2018-11-07 16:37:06,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 84 treesize of output 171 [2018-11-07 16:37:06,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:06,817 INFO L267 ElimStorePlain]: Start of recursive call 20: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:06,867 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:06,935 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,013 INFO L303 Elim1Store]: Index analysis took 195 ms [2018-11-07 16:37:07,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 137 [2018-11-07 16:37:07,042 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 8 xjuncts. [2018-11-07 16:37:07,048 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,057 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 173 [2018-11-07 16:37:07,134 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:07,196 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:07,207 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,217 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 109 treesize of output 187 [2018-11-07 16:37:07,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:07,491 INFO L267 ElimStorePlain]: Start of recursive call 23: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:07,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,517 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 134 [2018-11-07 16:37:07,564 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 8 xjuncts. [2018-11-07 16:37:07,572 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,581 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 100 treesize of output 180 [2018-11-07 16:37:07,659 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:07,757 INFO L267 ElimStorePlain]: Start of recursive call 25: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:07,799 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,803 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,821 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 136 [2018-11-07 16:37:07,866 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 8 xjuncts. [2018-11-07 16:37:07,886 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,896 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:07,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 85 treesize of output 171 [2018-11-07 16:37:07,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:08,065 INFO L267 ElimStorePlain]: Start of recursive call 27: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:08,090 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,109 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,120 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 100 treesize of output 179 [2018-11-07 16:37:08,190 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:08,239 INFO L267 ElimStorePlain]: Start of recursive call 28: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:08,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,283 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 149 [2018-11-07 16:37:08,330 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 16 xjuncts. [2018-11-07 16:37:08,337 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,345 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 99 treesize of output 181 [2018-11-07 16:37:08,423 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:08,539 INFO L267 ElimStorePlain]: Start of recursive call 30: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:08,551 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,564 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 104 treesize of output 184 [2018-11-07 16:37:08,647 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:08,754 INFO L267 ElimStorePlain]: Start of recursive call 31: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:08,764 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,776 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 98 treesize of output 180 [2018-11-07 16:37:08,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:08,943 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:08,956 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:08,966 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 105 treesize of output 189 [2018-11-07 16:37:09,061 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:09,176 INFO L267 ElimStorePlain]: Start of recursive call 33: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:09,202 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,292 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,335 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,582 INFO L303 Elim1Store]: Index analysis took 405 ms [2018-11-07 16:37:09,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 209 [2018-11-07 16:37:09,727 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:09,743 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 64 xjuncts. [2018-11-07 16:37:09,750 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,764 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 98 treesize of output 182 [2018-11-07 16:37:09,849 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:09,918 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:09,926 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,930 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:09,941 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:10,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 174 [2018-11-07 16:37:10,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:10,104 INFO L267 ElimStorePlain]: Start of recursive call 36: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:10,107 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:10,109 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:10,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 95 [2018-11-07 16:37:10,134 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-11-07 16:37:10,143 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:10,144 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:10,790 INFO L303 Elim1Store]: Index analysis took 654 ms [2018-11-07 16:37:10,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 135 [2018-11-07 16:37:10,829 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 16 xjuncts. [2018-11-07 16:37:10,835 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:10,844 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:10,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 93 treesize of output 179 [2018-11-07 16:37:10,918 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:10,977 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:11,001 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,001 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,003 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 96 [2018-11-07 16:37:11,010 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-07 16:37:11,018 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,023 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 150 [2018-11-07 16:37:11,068 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 16 xjuncts. [2018-11-07 16:37:11,074 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,085 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 88 treesize of output 174 [2018-11-07 16:37:11,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:11,225 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:11,238 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,249 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 100 treesize of output 186 [2018-11-07 16:37:11,330 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:11,436 INFO L267 ElimStorePlain]: Start of recursive call 43: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:11,444 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,447 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,460 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 174 [2018-11-07 16:37:11,535 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:11,579 INFO L267 ElimStorePlain]: Start of recursive call 44: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:11,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,685 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,702 INFO L303 Elim1Store]: Index analysis took 121 ms [2018-11-07 16:37:11,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 143 [2018-11-07 16:37:11,733 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 16 xjuncts. [2018-11-07 16:37:11,746 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,755 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 93 treesize of output 179 [2018-11-07 16:37:11,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:11,905 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:11,914 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,917 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,922 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:11,933 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 209 [2018-11-07 16:37:12,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:12,026 INFO L267 ElimStorePlain]: Start of recursive call 47: 42 dim-0 vars, End of recursive call: 42 dim-0 vars, and 64 xjuncts. [2018-11-07 16:37:12,030 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,032 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,037 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,042 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 206 [2018-11-07 16:37:12,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:12,132 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 64 xjuncts. [2018-11-07 16:37:12,141 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,146 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 147 [2018-11-07 16:37:12,192 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 16 xjuncts. [2018-11-07 16:37:12,200 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 131 [2018-11-07 16:37:12,259 INFO L267 ElimStorePlain]: Start of recursive call 50: 22 dim-0 vars, End of recursive call: 22 dim-0 vars, and 32 xjuncts. [2018-11-07 16:37:12,267 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,267 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 134 [2018-11-07 16:37:12,314 INFO L267 ElimStorePlain]: Start of recursive call 51: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 16 xjuncts. [2018-11-07 16:37:12,321 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 99 treesize of output 183 [2018-11-07 16:37:12,410 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:12,498 INFO L267 ElimStorePlain]: Start of recursive call 52: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:12,525 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,537 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 104 treesize of output 184 [2018-11-07 16:37:12,619 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:12,722 INFO L267 ElimStorePlain]: Start of recursive call 53: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:12,735 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 16:37:12,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 87 [2018-11-07 16:37:12,752 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-07 16:37:12,762 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,771 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:12,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 93 treesize of output 177 [2018-11-07 16:37:12,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:12,930 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:12,962 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 134 [2018-11-07 16:37:13,021 INFO L267 ElimStorePlain]: Start of recursive call 56: 22 dim-0 vars, End of recursive call: 22 dim-0 vars, and 32 xjuncts. [2018-11-07 16:37:13,024 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,026 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,035 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 100 treesize of output 179 [2018-11-07 16:37:13,101 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:13,148 INFO L267 ElimStorePlain]: Start of recursive call 57: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:13,159 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,170 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 89 treesize of output 177 [2018-11-07 16:37:13,245 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:13,338 INFO L267 ElimStorePlain]: Start of recursive call 58: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:13,349 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,360 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 79 treesize of output 175 [2018-11-07 16:37:13,449 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:13,504 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:13,518 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,529 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 89 treesize of output 177 [2018-11-07 16:37:13,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:13,695 INFO L267 ElimStorePlain]: Start of recursive call 60: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:13,700 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,703 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,714 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 85 treesize of output 170 [2018-11-07 16:37:13,786 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-07 16:37:13,829 INFO L267 ElimStorePlain]: Start of recursive call 61: 94 dim-0 vars, End of recursive call: 94 dim-0 vars, and 128 xjuncts. [2018-11-07 16:37:13,840 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,851 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:13,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 173 [2018-11-07 16:37:13,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:14,000 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:14,010 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,023 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 104 treesize of output 186 [2018-11-07 16:37:14,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:14,214 INFO L267 ElimStorePlain]: Start of recursive call 63: 204 dim-0 vars, End of recursive call: 204 dim-0 vars, and 256 xjuncts. [2018-11-07 16:37:14,224 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,224 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,232 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 166 [2018-11-07 16:37:14,309 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:14,330 INFO L267 ElimStorePlain]: Start of recursive call 64: 45 dim-0 vars, End of recursive call: 45 dim-0 vars, and 64 xjuncts. [2018-11-07 16:37:14,340 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,352 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 89 treesize of output 179 [2018-11-07 16:37:14,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-07 16:37:14,555 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 256 xjuncts. [2018-11-07 16:37:14,560 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,568 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 206 [2018-11-07 16:37:14,652 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:14,667 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 64 xjuncts. [2018-11-07 16:37:14,688 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,690 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,693 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,698 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 16:37:14,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 90 treesize of output 202 [2018-11-07 16:37:14,770 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-07 16:37:14,786 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 64 xjuncts. Received shutdown request... [2018-11-07 16:39:37,004 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-07 16:39:37,205 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 16:39:37,206 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 16:39:37,211 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 16:39:37,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:39:37 BoogieIcfgContainer [2018-11-07 16:39:37,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 16:39:37,212 INFO L168 Benchmark]: Toolchain (without parser) took 259956.36 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -660.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 16:39:37,213 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 16:39:37,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.31 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. [2018-11-07 16:39:37,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.32 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. [2018-11-07 16:39:37,213 INFO L168 Benchmark]: Boogie Preprocessor took 42.50 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. [2018-11-07 16:39:37,214 INFO L168 Benchmark]: RCFGBuilder took 909.14 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -778.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2018-11-07 16:39:37,214 INFO L168 Benchmark]: TraceAbstraction took 258662.26 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-07 16:39:37,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.31 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 29.32 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 42.50 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 909.14 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -778.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258662.26 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 6]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 6). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 25391. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 70 locations, 1 error locations. TIMEOUT Result, 258.5s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 955 SDslu, 550 SDs, 0 SdLazy, 962 SolverSat, 237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 79 SyntacticMatches, 7 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 29.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 70 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 83.4s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 195 ConstructedInterpolants, 5 QuantifiedInterpolants, 128007 SizeOfPredicates, 20 NumberOfNonLiveVariables, 113 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 8/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown