java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 11:42:55,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 11:42:55,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 11:42:55,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 11:42:55,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 11:42:55,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 11:42:55,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 11:42:55,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 11:42:55,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 11:42:55,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 11:42:55,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 11:42:55,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 11:42:55,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 11:42:55,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 11:42:55,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 11:42:55,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 11:42:55,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 11:42:55,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 11:42:55,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 11:42:55,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 11:42:55,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 11:42:55,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 11:42:55,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 11:42:55,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 11:42:55,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 11:42:55,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-07 11:42:55,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-07 11:42:55,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-07 11:42:55,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-07 11:42:55,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-07 11:42:55,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-07 11:42:55,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-07 11:42:55,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-07 11:42:55,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 11:42:55,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 11:42:55,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 11:42:55,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 11:42:55,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 11:42:55,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 11:42:55,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 11:42:55,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 11:42:55,921 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 11:42:55,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 11:42:55,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 11:42:55,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 11:42:55,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 11:42:55,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 11:42:55,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 11:42:55,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 11:42:55,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 11:42:55,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 11:42:55,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 11:42:55,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 11:42:55,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 11:42:55,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 11:42:55,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 11:42:55,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 11:42:55,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 11:42:55,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 11:42:55,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 11:42:55,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 11:42:55,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 11:42:55,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 11:42:55,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 11:42:55,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 11:42:55,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 11:42:55,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 11:42:55,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 11:42:56,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 11:42:56,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 11:42:56,002 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 11:42:56,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev.c [2019-09-07 11:42:56,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651143315/d219e7338a1748e18a4cb991eeb7629f/FLAGdbfdab468 [2019-09-07 11:42:56,499 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 11:42:56,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev.c [2019-09-07 11:42:56,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651143315/d219e7338a1748e18a4cb991eeb7629f/FLAGdbfdab468 [2019-09-07 11:42:56,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651143315/d219e7338a1748e18a4cb991eeb7629f [2019-09-07 11:42:56,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 11:42:56,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 11:42:56,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 11:42:56,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 11:42:56,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 11:42:56,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:42:56" (1/1) ... [2019-09-07 11:42:56,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328a7f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:56, skipping insertion in model container [2019-09-07 11:42:56,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:42:56" (1/1) ... [2019-09-07 11:42:56,944 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 11:42:56,962 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 11:42:57,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 11:42:57,177 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 11:42:57,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 11:42:57,209 INFO L192 MainTranslator]: Completed translation [2019-09-07 11:42:57,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57 WrapperNode [2019-09-07 11:42:57,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 11:42:57,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 11:42:57,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 11:42:57,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 11:42:57,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... [2019-09-07 11:42:57,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... [2019-09-07 11:42:57,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... [2019-09-07 11:42:57,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... [2019-09-07 11:42:57,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... [2019-09-07 11:42:57,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... [2019-09-07 11:42:57,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... [2019-09-07 11:42:57,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 11:42:57,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 11:42:57,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 11:42:57,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 11:42:57,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 11:42:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 11:42:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 11:42:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-07 11:42:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 11:42:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 11:42:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-07 11:42:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-07 11:42:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 11:42:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-07 11:42:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 11:42:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-07 11:42:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-07 11:42:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-07 11:42:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 11:42:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 11:42:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-07 11:42:57,643 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 11:42:57,643 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-07 11:42:57,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:42:57 BoogieIcfgContainer [2019-09-07 11:42:57,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 11:42:57,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 11:42:57,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 11:42:57,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 11:42:57,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:42:56" (1/3) ... [2019-09-07 11:42:57,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597844f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:42:57, skipping insertion in model container [2019-09-07 11:42:57,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:42:57" (2/3) ... [2019-09-07 11:42:57,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597844f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:42:57, skipping insertion in model container [2019-09-07 11:42:57,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:42:57" (3/3) ... [2019-09-07 11:42:57,670 INFO L109 eAbstractionObserver]: Analyzing ICFG rewnifrev.c [2019-09-07 11:42:57,685 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 11:42:57,693 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 11:42:57,709 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 11:42:57,734 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 11:42:57,735 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 11:42:57,735 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 11:42:57,735 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 11:42:57,735 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 11:42:57,736 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 11:42:57,736 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 11:42:57,736 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 11:42:57,736 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 11:42:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-09-07 11:42:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-07 11:42:57,756 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:42:57,757 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:42:57,759 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:42:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:42:57,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1294486485, now seen corresponding path program 1 times [2019-09-07 11:42:57,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:42:57,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:42:57,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:57,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:42:57,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:42:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 11:42:57,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 11:42:57,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-07 11:42:57,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-07 11:42:57,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-07 11:42:57,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-07 11:42:57,914 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2019-09-07 11:42:57,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:42:57,933 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2019-09-07 11:42:57,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-07 11:42:57,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-09-07 11:42:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:42:57,941 INFO L225 Difference]: With dead ends: 43 [2019-09-07 11:42:57,942 INFO L226 Difference]: Without dead ends: 22 [2019-09-07 11:42:57,945 INFO L628 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 [2019-09-07 11:42:57,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-09-07 11:42:57,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-09-07 11:42:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-09-07 11:42:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-09-07 11:42:57,979 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 14 [2019-09-07 11:42:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:42:57,980 INFO L475 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-09-07 11:42:57,980 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-07 11:42:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-09-07 11:42:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-07 11:42:57,981 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:42:57,981 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:42:57,982 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:42:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:42:57,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1653126776, now seen corresponding path program 1 times [2019-09-07 11:42:57,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:42:57,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:42:57,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:57,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:42:57,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:42:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 11:42:58,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 11:42:58,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 11:42:58,077 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 11:42:58,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 11:42:58,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 11:42:58,078 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 3 states. [2019-09-07 11:42:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:42:58,116 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2019-09-07 11:42:58,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 11:42:58,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-09-07 11:42:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:42:58,118 INFO L225 Difference]: With dead ends: 41 [2019-09-07 11:42:58,118 INFO L226 Difference]: Without dead ends: 26 [2019-09-07 11:42:58,119 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 11:42:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-09-07 11:42:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-09-07 11:42:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-07 11:42:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2019-09-07 11:42:58,126 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2019-09-07 11:42:58,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:42:58,126 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2019-09-07 11:42:58,126 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 11:42:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2019-09-07 11:42:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-07 11:42:58,127 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:42:58,128 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:42:58,128 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:42:58,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:42:58,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1007604157, now seen corresponding path program 1 times [2019-09-07 11:42:58,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:42:58,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:42:58,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:58,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:42:58,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:42:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 11:42:58,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 11:42:58,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 11:42:58,204 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 11:42:58,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 11:42:58,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 11:42:58,205 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 4 states. [2019-09-07 11:42:58,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:42:58,277 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2019-09-07 11:42:58,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 11:42:58,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-09-07 11:42:58,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:42:58,282 INFO L225 Difference]: With dead ends: 42 [2019-09-07 11:42:58,283 INFO L226 Difference]: Without dead ends: 31 [2019-09-07 11:42:58,285 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 11:42:58,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-09-07 11:42:58,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2019-09-07 11:42:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-09-07 11:42:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-09-07 11:42:58,301 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 18 [2019-09-07 11:42:58,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:42:58,302 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-09-07 11:42:58,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 11:42:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-09-07 11:42:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-09-07 11:42:58,303 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:42:58,303 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:42:58,304 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:42:58,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:42:58,304 INFO L82 PathProgramCache]: Analyzing trace with hash -2051596356, now seen corresponding path program 1 times [2019-09-07 11:42:58,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:42:58,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:42:58,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:58,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:42:58,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:42:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-07 11:42:58,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:42:58,691 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:42:58,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:42:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:42:58,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-07 11:42:58,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:42:58,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:42:58,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:42:58,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:42:58,924 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:42:58,924 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:18 [2019-09-07 11:42:59,005 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:42:59,006 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2019-09-07 11:42:59,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:42:59,010 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-09-07 11:42:59,031 INFO L567 ElimStorePlain]: treesize reduction 13, result has 50.0 percent of original size [2019-09-07 11:42:59,034 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:42:59,034 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:32, output treesize:7 [2019-09-07 11:42:59,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:42:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-07 11:42:59,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 11:42:59,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2019-09-07 11:42:59,109 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-07 11:42:59,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-07 11:42:59,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2019-09-07 11:42:59,114 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 18 states. [2019-09-07 11:42:59,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:42:59,397 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2019-09-07 11:42:59,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-07 11:42:59,398 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2019-09-07 11:42:59,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:42:59,399 INFO L225 Difference]: With dead ends: 39 [2019-09-07 11:42:59,399 INFO L226 Difference]: Without dead ends: 37 [2019-09-07 11:42:59,400 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2019-09-07 11:42:59,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-09-07 11:42:59,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 33. [2019-09-07 11:42:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-09-07 11:42:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2019-09-07 11:42:59,408 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 22 [2019-09-07 11:42:59,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:42:59,408 INFO L475 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2019-09-07 11:42:59,408 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-07 11:42:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2019-09-07 11:42:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-09-07 11:42:59,409 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:42:59,410 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:42:59,410 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:42:59,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:42:59,410 INFO L82 PathProgramCache]: Analyzing trace with hash -730987952, now seen corresponding path program 1 times [2019-09-07 11:42:59,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:42:59,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:42:59,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:59,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:42:59,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:42:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:42:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 11:42:59,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:42:59,756 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 11:42:59,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:42:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:42:59,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 21 conjunts are in the unsatisfiable core [2019-09-07 11:42:59,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:42:59,833 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:42:59,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:42:59,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:42:59,839 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:42:59,840 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:42:59,937 INFO L341 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2019-09-07 11:42:59,937 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2019-09-07 11:42:59,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:42:59,944 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:42:59,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:42:59,945 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-09-07 11:43:00,208 INFO L341 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2019-09-07 11:43:00,209 INFO L375 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 28 treesize of output 36 [2019-09-07 11:43:00,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:00,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:00,214 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-09-07 11:43:00,232 INFO L567 ElimStorePlain]: treesize reduction 31, result has 18.4 percent of original size [2019-09-07 11:43:00,233 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:00,233 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:7 [2019-09-07 11:43:00,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 11:43:00,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:43:00,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 24 [2019-09-07 11:43:00,334 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-07 11:43:00,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-07 11:43:00,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2019-09-07 11:43:00,335 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 24 states. [2019-09-07 11:43:00,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:43:00,884 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2019-09-07 11:43:00,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-07 11:43:00,885 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 30 [2019-09-07 11:43:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:43:00,886 INFO L225 Difference]: With dead ends: 48 [2019-09-07 11:43:00,886 INFO L226 Difference]: Without dead ends: 46 [2019-09-07 11:43:00,889 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=709, Unknown=0, NotChecked=0, Total=870 [2019-09-07 11:43:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-09-07 11:43:00,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2019-09-07 11:43:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-09-07 11:43:00,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2019-09-07 11:43:00,907 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 30 [2019-09-07 11:43:00,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:43:00,908 INFO L475 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2019-09-07 11:43:00,909 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-07 11:43:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2019-09-07 11:43:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-07 11:43:00,910 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:43:00,911 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:43:00,912 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:43:00,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:43:00,912 INFO L82 PathProgramCache]: Analyzing trace with hash 783487204, now seen corresponding path program 2 times [2019-09-07 11:43:00,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:43:00,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:43:00,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:00,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:43:00,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:43:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 11:43:00,985 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:43:00,986 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 11:43:01,003 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:43:01,030 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-07 11:43:01,031 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:43:01,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-07 11:43:01,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:43:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 11:43:01,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:43:01,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 10 [2019-09-07 11:43:01,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-07 11:43:01,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-07 11:43:01,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-09-07 11:43:01,080 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 10 states. [2019-09-07 11:43:01,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:43:01,226 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2019-09-07 11:43:01,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-07 11:43:01,228 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2019-09-07 11:43:01,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:43:01,231 INFO L225 Difference]: With dead ends: 84 [2019-09-07 11:43:01,231 INFO L226 Difference]: Without dead ends: 47 [2019-09-07 11:43:01,232 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-09-07 11:43:01,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-09-07 11:43:01,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-09-07 11:43:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-09-07 11:43:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2019-09-07 11:43:01,249 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 38 [2019-09-07 11:43:01,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:43:01,250 INFO L475 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2019-09-07 11:43:01,250 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-07 11:43:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2019-09-07 11:43:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-09-07 11:43:01,254 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:43:01,254 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:43:01,255 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:43:01,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:43:01,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1309226143, now seen corresponding path program 3 times [2019-09-07 11:43:01,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:43:01,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:43:01,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:01,259 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:43:01,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:43:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 11:43:01,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:43:01,986 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 11:43:02,003 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:43:02,033 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-09-07 11:43:02,033 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:43:02,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 32 conjunts are in the unsatisfiable core [2019-09-07 11:43:02,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:43:02,057 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:43:02,057 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,064 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:02,064 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,065 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:43:02,123 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:43:02,124 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:43:02,125 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,131 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:02,132 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,132 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:43:02,181 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:43:02,182 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:43:02,183 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,191 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:02,191 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,192 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:43:02,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,352 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:02,353 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 51 [2019-09-07 11:43:02,354 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,365 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:02,367 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:43:02,367 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:49 [2019-09-07 11:43:02,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:02,890 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:43:02,892 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:02,893 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 20 [2019-09-07 11:43:02,894 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:02,901 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:02,902 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:7 [2019-09-07 11:43:02,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-07 11:43:02,993 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:43:02,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 33 [2019-09-07 11:43:02,994 INFO L454 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-09-07 11:43:02,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-09-07 11:43:02,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=915, Unknown=0, NotChecked=0, Total=1056 [2019-09-07 11:43:02,995 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 33 states. [2019-09-07 11:43:05,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:43:05,551 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2019-09-07 11:43:05,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-09-07 11:43:05,552 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 42 [2019-09-07 11:43:05,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:43:05,554 INFO L225 Difference]: With dead ends: 86 [2019-09-07 11:43:05,554 INFO L226 Difference]: Without dead ends: 67 [2019-09-07 11:43:05,557 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 23 SyntacticMatches, 6 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=569, Invalid=3591, Unknown=0, NotChecked=0, Total=4160 [2019-09-07 11:43:05,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-09-07 11:43:05,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2019-09-07 11:43:05,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-09-07 11:43:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2019-09-07 11:43:05,567 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 42 [2019-09-07 11:43:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:43:05,568 INFO L475 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2019-09-07 11:43:05,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-09-07 11:43:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2019-09-07 11:43:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-07 11:43:05,569 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:43:05,569 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:43:05,569 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:43:05,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:43:05,570 INFO L82 PathProgramCache]: Analyzing trace with hash -301340818, now seen corresponding path program 4 times [2019-09-07 11:43:05,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:43:05,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:43:05,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:05,571 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:43:05,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:43:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-07 11:43:06,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:43:06,343 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:43:06,353 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-07 11:43:06,375 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-07 11:43:06,376 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:43:06,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 33 conjunts are in the unsatisfiable core [2019-09-07 11:43:06,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:43:06,384 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:43:06,384 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:06,386 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,386 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-09-07 11:43:06,436 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:43:06,437 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:43:06,437 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,442 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:06,443 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,443 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2019-09-07 11:43:06,498 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:43:06,499 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:43:06,499 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,506 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:06,507 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,507 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2019-09-07 11:43:06,611 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:43:06,612 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:43:06,613 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,627 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:06,627 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,628 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:43:06,715 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:43:06,716 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:43:06,717 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,729 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:06,729 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:06,730 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:43:07,031 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2019-09-07 11:43:07,032 INFO L341 Elim1Store]: treesize reduction 105, result has 65.7 percent of original size [2019-09-07 11:43:07,033 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 230 [2019-09-07 11:43:07,034 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:07,095 INFO L567 ElimStorePlain]: treesize reduction 166, result has 27.5 percent of original size [2019-09-07 11:43:07,096 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:43:07,097 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:80, output treesize:69 [2019-09-07 11:43:08,073 INFO L341 Elim1Store]: treesize reduction 105, result has 39.3 percent of original size [2019-09-07 11:43:08,073 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 77 treesize of output 92 [2019-09-07 11:43:08,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,081 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-09-07 11:43:08,130 INFO L567 ElimStorePlain]: treesize reduction 200, result has 7.4 percent of original size [2019-09-07 11:43:08,130 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:08,131 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:83, output treesize:7 [2019-09-07 11:43:08,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-07 11:43:08,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:43:08,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22] total 38 [2019-09-07 11:43:08,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-09-07 11:43:08,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-09-07 11:43:08,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1253, Unknown=0, NotChecked=0, Total=1406 [2019-09-07 11:43:08,254 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 38 states. [2019-09-07 11:43:08,872 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2019-09-07 11:43:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:43:14,687 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2019-09-07 11:43:14,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2019-09-07 11:43:14,687 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 54 [2019-09-07 11:43:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:43:14,690 INFO L225 Difference]: With dead ends: 128 [2019-09-07 11:43:14,691 INFO L226 Difference]: Without dead ends: 105 [2019-09-07 11:43:14,693 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 41 SyntacticMatches, 10 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2695 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1008, Invalid=7364, Unknown=0, NotChecked=0, Total=8372 [2019-09-07 11:43:14,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-07 11:43:14,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 82. [2019-09-07 11:43:14,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-09-07 11:43:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2019-09-07 11:43:14,708 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 54 [2019-09-07 11:43:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:43:14,708 INFO L475 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2019-09-07 11:43:14,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-09-07 11:43:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2019-09-07 11:43:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-07 11:43:14,710 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:43:14,710 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:43:14,711 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:43:14,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:43:14,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1002724029, now seen corresponding path program 5 times [2019-09-07 11:43:14,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:43:14,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:43:14,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:14,712 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:43:14,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:43:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-07 11:43:15,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:43:15,623 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:43:15,643 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-07 11:43:15,690 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-09-07 11:43:15,690 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:43:15,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 44 conjunts are in the unsatisfiable core [2019-09-07 11:43:15,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:43:15,718 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:43:15,718 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,723 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:15,723 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,724 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:43:15,768 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:43:15,768 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:43:15,769 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,782 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:15,782 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,783 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:43:15,831 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:43:15,832 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:43:15,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:15,865 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,865 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:43:15,970 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:43:15,971 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:43:15,972 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:15,984 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:15,984 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:43:16,060 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:43:16,061 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:43:16,061 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:16,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:16,074 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:16,074 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:43:16,196 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:43:16,197 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:43:16,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:16,217 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:16,218 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:16,218 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2019-09-07 11:43:16,335 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:43:16,336 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:43:16,337 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:16,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:16,351 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:16,352 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2019-09-07 11:43:16,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:16,569 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:16,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 85 treesize of output 85 [2019-09-07 11:43:16,570 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:16,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:16,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:43:16,590 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:94, output treesize:77 [2019-09-07 11:43:17,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,675 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:43:17,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:17,681 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:17,681 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 30 [2019-09-07 11:43:17,682 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:17,687 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:17,688 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:17,688 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:80, output treesize:7 [2019-09-07 11:43:17,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 37 proven. 57 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-07 11:43:17,816 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:43:17,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 28] total 46 [2019-09-07 11:43:17,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-09-07 11:43:17,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-09-07 11:43:17,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1800, Unknown=0, NotChecked=0, Total=2070 [2019-09-07 11:43:17,818 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 46 states. [2019-09-07 11:43:20,965 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2019-09-07 11:43:21,268 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2019-09-07 11:43:21,574 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2019-09-07 11:43:22,238 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2019-09-07 11:43:22,706 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-07 11:43:23,196 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-07 11:43:25,158 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-07 11:43:26,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:43:26,978 INFO L93 Difference]: Finished difference Result 210 states and 245 transitions. [2019-09-07 11:43:26,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2019-09-07 11:43:26,978 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 66 [2019-09-07 11:43:26,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:43:26,982 INFO L225 Difference]: With dead ends: 210 [2019-09-07 11:43:26,982 INFO L226 Difference]: Without dead ends: 182 [2019-09-07 11:43:26,987 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 35 SyntacticMatches, 14 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7073 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=2048, Invalid=16042, Unknown=0, NotChecked=0, Total=18090 [2019-09-07 11:43:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-09-07 11:43:27,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 126. [2019-09-07 11:43:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-09-07 11:43:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 143 transitions. [2019-09-07 11:43:27,011 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 143 transitions. Word has length 66 [2019-09-07 11:43:27,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:43:27,011 INFO L475 AbstractCegarLoop]: Abstraction has 126 states and 143 transitions. [2019-09-07 11:43:27,011 INFO L476 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-09-07 11:43:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2019-09-07 11:43:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-07 11:43:27,013 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:43:27,013 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:43:27,014 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:43:27,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:43:27,014 INFO L82 PathProgramCache]: Analyzing trace with hash -2127769972, now seen corresponding path program 6 times [2019-09-07 11:43:27,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:43:27,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:43:27,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:27,015 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:43:27,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:43:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 44 proven. 82 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-07 11:43:28,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:43:28,081 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:43:28,090 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-07 11:43:28,149 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-09-07 11:43:28,149 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:43:28,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 49 conjunts are in the unsatisfiable core [2019-09-07 11:43:28,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:43:28,166 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:43:28,166 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,173 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,173 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2019-09-07 11:43:28,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,211 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:43:28,212 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,224 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,225 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,225 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2019-09-07 11:43:28,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,266 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,266 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 46 [2019-09-07 11:43:28,267 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,278 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,278 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:48 [2019-09-07 11:43:28,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,370 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:43:28,371 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,384 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,385 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,385 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2019-09-07 11:43:28,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,446 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,446 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:43:28,447 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,465 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,466 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,466 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:62 [2019-09-07 11:43:28,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,605 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,605 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:43:28,609 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,630 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,631 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,631 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2019-09-07 11:43:28,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,727 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,727 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 85 treesize of output 85 [2019-09-07 11:43:28,728 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,754 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:28,755 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:28,755 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:76 [2019-09-07 11:43:28,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:28,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,077 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:29,078 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 86 treesize of output 309 [2019-09-07 11:43:29,079 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:29,215 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2019-09-07 11:43:29,215 INFO L567 ElimStorePlain]: treesize reduction 157, result has 48.9 percent of original size [2019-09-07 11:43:29,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,223 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:43:29,223 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:99, output treesize:150 [2019-09-07 11:43:29,223 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:29,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,457 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 91 [2019-09-07 11:43:29,458 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:29,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,497 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,573 INFO L235 Elim1Store]: Index analysis took 105 ms [2019-09-07 11:43:29,597 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 103 [2019-09-07 11:43:29,598 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:29,609 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,736 INFO L235 Elim1Store]: Index analysis took 128 ms [2019-09-07 11:43:29,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 91 [2019-09-07 11:43:29,766 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:29,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:29,996 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-07 11:43:29,996 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:29,997 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 405 [2019-09-07 11:43:29,999 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:30,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:30,052 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 91 [2019-09-07 11:43:30,053 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:30,428 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2019-09-07 11:43:30,429 INFO L567 ElimStorePlain]: treesize reduction 321, result has 57.6 percent of original size [2019-09-07 11:43:30,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:30,431 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2019-09-07 11:43:30,431 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:476, output treesize:436 [2019-09-07 11:43:30,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:30,725 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-07 11:43:30,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:31,032 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-07 11:43:31,370 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-07 11:43:31,730 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-07 11:43:31,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-09-07 11:43:31,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:31,893 INFO L235 Elim1Store]: Index analysis took 136 ms [2019-09-07 11:43:32,066 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-07 11:43:32,067 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:32,067 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 129 treesize of output 500 [2019-09-07 11:43:32,071 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:32,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,188 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 116 [2019-09-07 11:43:32,189 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:32,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,205 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,275 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 99 [2019-09-07 11:43:32,276 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:32,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,314 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,324 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,334 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,407 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 116 [2019-09-07 11:43:32,408 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:32,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,492 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 99 [2019-09-07 11:43:32,493 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:32,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,504 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:32,525 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 99 [2019-09-07 11:43:32,526 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:33,012 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 110 [2019-09-07 11:43:33,013 INFO L567 ElimStorePlain]: treesize reduction 388, result has 59.2 percent of original size [2019-09-07 11:43:33,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:33,016 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 6 xjuncts. [2019-09-07 11:43:33,016 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:653, output treesize:564 [2019-09-07 11:43:33,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:33,357 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 93 [2019-09-07 11:43:33,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:33,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:33,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:34,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 11:43:35,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 11:43:37,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 11:43:38,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 11:43:38,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,542 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,548 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:43:38,562 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:43:38,564 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:38,565 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 84 treesize of output 35 [2019-09-07 11:43:38,565 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:38,570 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:38,571 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:38,571 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:95, output treesize:10 [2019-09-07 11:43:38,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 40 proven. 98 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-07 11:43:38,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:43:38,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 32] total 50 [2019-09-07 11:43:38,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 50 states [2019-09-07 11:43:38,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2019-09-07 11:43:38,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=2046, Unknown=0, NotChecked=0, Total=2450 [2019-09-07 11:43:38,888 INFO L87 Difference]: Start difference. First operand 126 states and 143 transitions. Second operand 50 states. [2019-09-07 11:43:40,903 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2019-09-07 11:43:41,294 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2019-09-07 11:43:41,684 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 54 [2019-09-07 11:43:42,182 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2019-09-07 11:43:43,179 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2019-09-07 11:43:45,375 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2019-09-07 11:43:45,630 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-07 11:43:47,790 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 100 [2019-09-07 11:43:48,161 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2019-09-07 11:43:48,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:43:48,867 INFO L93 Difference]: Finished difference Result 311 states and 359 transitions. [2019-09-07 11:43:48,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2019-09-07 11:43:48,867 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 78 [2019-09-07 11:43:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:43:48,870 INFO L225 Difference]: With dead ends: 311 [2019-09-07 11:43:48,870 INFO L226 Difference]: Without dead ends: 231 [2019-09-07 11:43:48,874 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 38 SyntacticMatches, 21 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4219 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=1927, Invalid=7775, Unknown=0, NotChecked=0, Total=9702 [2019-09-07 11:43:48,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-09-07 11:43:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 174. [2019-09-07 11:43:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-09-07 11:43:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 203 transitions. [2019-09-07 11:43:48,901 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 203 transitions. Word has length 78 [2019-09-07 11:43:48,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:43:48,902 INFO L475 AbstractCegarLoop]: Abstraction has 174 states and 203 transitions. [2019-09-07 11:43:48,902 INFO L476 AbstractCegarLoop]: Interpolant automaton has 50 states. [2019-09-07 11:43:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 203 transitions. [2019-09-07 11:43:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-07 11:43:48,904 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:43:48,904 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:43:48,905 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:43:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:43:48,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1318888633, now seen corresponding path program 7 times [2019-09-07 11:43:48,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:43:48,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:43:48,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:48,906 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:43:48,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:43:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:43:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 61 proven. 90 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-07 11:43:49,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:43:49,768 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:43:49,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:43:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:43:49,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 46 conjunts are in the unsatisfiable core [2019-09-07 11:43:49,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:43:49,818 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:43:49,818 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:49,820 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:49,820 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:49,820 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-09-07 11:43:49,862 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:43:49,863 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:43:49,863 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:49,868 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:49,869 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:49,869 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2019-09-07 11:43:49,917 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:43:49,918 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:43:49,918 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:49,925 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:49,925 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:49,926 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2019-09-07 11:43:50,024 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:43:50,024 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:43:50,025 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,034 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:50,035 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,035 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2019-09-07 11:43:50,128 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:43:50,129 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:43:50,130 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:50,139 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,140 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:54 [2019-09-07 11:43:50,265 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:43:50,265 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:43:50,266 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,279 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:50,279 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,280 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-09-07 11:43:50,382 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:43:50,382 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:43:50,383 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,394 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:50,395 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,395 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:68 [2019-09-07 11:43:50,560 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:43:50,560 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:43:50,561 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,579 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:50,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,580 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-09-07 11:43:50,730 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:43:50,731 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:43:50,731 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:43:50,751 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:50,751 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:85 [2019-09-07 11:43:51,244 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 69 [2019-09-07 11:43:51,245 INFO L341 Elim1Store]: treesize reduction 265, result has 53.3 percent of original size [2019-09-07 11:43:51,245 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 342 [2019-09-07 11:43:51,247 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:43:51,341 INFO L567 ElimStorePlain]: treesize reduction 244, result has 27.2 percent of original size [2019-09-07 11:43:51,342 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:43:51,342 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:97 [2019-09-07 11:43:53,289 INFO L341 Elim1Store]: treesize reduction 265, result has 27.8 percent of original size [2019-09-07 11:43:53,290 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 105 treesize of output 136 [2019-09-07 11:43:53,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,297 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-09-07 11:43:53,375 INFO L567 ElimStorePlain]: treesize reduction 429, result has 3.6 percent of original size [2019-09-07 11:43:53,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:43:53,376 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:111, output treesize:7 [2019-09-07 11:43:53,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:43:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 66 proven. 94 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-07 11:43:53,564 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:43:53,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30] total 50 [2019-09-07 11:43:53,565 INFO L454 AbstractCegarLoop]: Interpolant automaton has 50 states [2019-09-07 11:43:53,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2019-09-07 11:43:53,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2189, Unknown=0, NotChecked=0, Total=2450 [2019-09-07 11:43:53,570 INFO L87 Difference]: Start difference. First operand 174 states and 203 transitions. Second operand 50 states. [2019-09-07 11:44:01,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:44:01,499 INFO L93 Difference]: Finished difference Result 317 states and 361 transitions. [2019-09-07 11:44:01,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2019-09-07 11:44:01,500 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 82 [2019-09-07 11:44:01,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:44:01,503 INFO L225 Difference]: With dead ends: 317 [2019-09-07 11:44:01,503 INFO L226 Difference]: Without dead ends: 315 [2019-09-07 11:44:01,507 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 49 SyntacticMatches, 19 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4750 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=1929, Invalid=12591, Unknown=0, NotChecked=0, Total=14520 [2019-09-07 11:44:01,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-09-07 11:44:01,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 182. [2019-09-07 11:44:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-09-07 11:44:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 211 transitions. [2019-09-07 11:44:01,534 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 211 transitions. Word has length 82 [2019-09-07 11:44:01,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:44:01,534 INFO L475 AbstractCegarLoop]: Abstraction has 182 states and 211 transitions. [2019-09-07 11:44:01,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 50 states. [2019-09-07 11:44:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 211 transitions. [2019-09-07 11:44:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-07 11:44:01,537 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:44:01,537 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:44:01,537 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:44:01,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:44:01,538 INFO L82 PathProgramCache]: Analyzing trace with hash -623410469, now seen corresponding path program 8 times [2019-09-07 11:44:01,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:44:01,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:44:01,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:44:01,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:44:01,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:44:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:44:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 66 proven. 109 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-09-07 11:44:02,768 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:44:02,768 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:44:02,778 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-07 11:44:02,814 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-07 11:44:02,814 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:44:02,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 55 conjunts are in the unsatisfiable core [2019-09-07 11:44:02,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:44:02,844 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:44:02,844 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:02,849 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:02,849 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:02,850 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:44:02,910 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:44:02,910 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:44:02,911 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:02,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:02,922 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:02,922 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:44:02,982 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:44:02,982 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:44:02,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:02,992 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:02,992 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:02,992 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:44:03,097 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:44:03,098 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:44:03,099 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,113 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:03,114 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,114 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:44:03,203 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:44:03,203 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:44:03,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,215 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:03,216 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,216 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:44:03,341 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:44:03,341 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:44:03,342 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,356 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:03,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,357 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2019-09-07 11:44:03,465 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:44:03,466 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:44:03,466 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:03,480 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,481 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2019-09-07 11:44:03,650 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:44:03,651 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:44:03,651 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,672 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:03,673 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,673 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-09-07 11:44:03,816 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:44:03,816 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:44:03,817 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:03,837 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:03,837 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:85 [2019-09-07 11:44:03,962 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:03,989 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:03,989 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:44:03,990 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:04,012 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:04,013 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:04,013 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:108, output treesize:104 [2019-09-07 11:44:04,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,133 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:04,133 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:44:04,134 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:04,155 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:04,156 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:04,156 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:102 [2019-09-07 11:44:04,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,430 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:44:04,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,447 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:04,451 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:04,452 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 111 treesize of output 128 [2019-09-07 11:44:04,453 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:04,513 INFO L567 ElimStorePlain]: treesize reduction 12, result has 89.9 percent of original size [2019-09-07 11:44:04,514 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 11:44:04,514 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:125, output treesize:107 [2019-09-07 11:44:06,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,593 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:44:06,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:06,597 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:06,597 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 38 [2019-09-07 11:44:06,598 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:06,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:06,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:06,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:107, output treesize:7 [2019-09-07 11:44:06,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:44:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 64 proven. 126 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-09-07 11:44:06,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:44:06,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 35] total 57 [2019-09-07 11:44:06,819 INFO L454 AbstractCegarLoop]: Interpolant automaton has 57 states [2019-09-07 11:44:06,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2019-09-07 11:44:06,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=2781, Unknown=0, NotChecked=0, Total=3192 [2019-09-07 11:44:06,820 INFO L87 Difference]: Start difference. First operand 182 states and 211 transitions. Second operand 57 states. [2019-09-07 11:44:13,102 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-07 11:44:13,503 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-07 11:44:13,957 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-07 11:44:14,573 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 83 [2019-09-07 11:44:14,806 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-07 11:44:15,374 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-07 11:44:15,596 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-07 11:44:16,027 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-07 11:44:16,254 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 83 [2019-09-07 11:44:16,494 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-07 11:44:16,775 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2019-09-07 11:44:16,964 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-07 11:44:17,385 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2019-09-07 11:44:17,568 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-07 11:44:18,132 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2019-09-07 11:44:18,320 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-07 11:44:18,675 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2019-09-07 11:44:18,838 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-07 11:44:19,055 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-07 11:44:19,202 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-07 11:44:19,419 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2019-09-07 11:44:19,558 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-07 11:44:19,732 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-07 11:44:20,097 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-07 11:44:20,593 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-09-07 11:44:24,811 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 93 [2019-09-07 11:44:25,184 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 95 [2019-09-07 11:44:25,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:44:25,202 INFO L93 Difference]: Finished difference Result 556 states and 659 transitions. [2019-09-07 11:44:25,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2019-09-07 11:44:25,202 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 90 [2019-09-07 11:44:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:44:25,205 INFO L225 Difference]: With dead ends: 556 [2019-09-07 11:44:25,205 INFO L226 Difference]: Without dead ends: 462 [2019-09-07 11:44:25,209 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 48 SyntacticMatches, 22 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15239 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=3691, Invalid=33365, Unknown=0, NotChecked=0, Total=37056 [2019-09-07 11:44:25,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-09-07 11:44:25,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 266. [2019-09-07 11:44:25,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-09-07 11:44:25,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 314 transitions. [2019-09-07 11:44:25,274 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 314 transitions. Word has length 90 [2019-09-07 11:44:25,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:44:25,275 INFO L475 AbstractCegarLoop]: Abstraction has 266 states and 314 transitions. [2019-09-07 11:44:25,275 INFO L476 AbstractCegarLoop]: Interpolant automaton has 57 states. [2019-09-07 11:44:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 314 transitions. [2019-09-07 11:44:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-07 11:44:25,276 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:44:25,277 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:44:25,277 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:44:25,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:44:25,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1207482282, now seen corresponding path program 9 times [2019-09-07 11:44:25,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:44:25,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:44:25,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:44:25,278 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:44:25,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:44:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:44:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 92 proven. 140 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-09-07 11:44:26,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:44:26,783 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:44:26,794 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-07 11:44:26,953 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-09-07 11:44:26,953 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:44:26,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 62 conjunts are in the unsatisfiable core [2019-09-07 11:44:26,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:44:26,979 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:44:26,980 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:26,985 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:26,985 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:26,986 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:44:27,056 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:44:27,057 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:44:27,057 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:27,067 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,067 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:44:27,123 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:44:27,124 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:44:27,124 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,132 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:27,133 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,133 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:44:27,267 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:44:27,268 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:44:27,268 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,280 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:27,281 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,281 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:44:27,375 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:44:27,375 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:44:27,376 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,388 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:27,388 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,388 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:44:27,544 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:44:27,544 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:44:27,545 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,576 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:27,576 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,576 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2019-09-07 11:44:27,690 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:44:27,691 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:44:27,692 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,707 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:27,707 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,708 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2019-09-07 11:44:27,905 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:44:27,906 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:44:27,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,925 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:27,926 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:27,926 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-09-07 11:44:28,084 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:44:28,084 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:44:28,085 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,101 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:28,102 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,102 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:85 [2019-09-07 11:44:28,352 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:44:28,353 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:44:28,354 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:28,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:101 [2019-09-07 11:44:28,567 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:44:28,567 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:44:28,568 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:28,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:99 [2019-09-07 11:44:28,890 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:44:28,891 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:44:28,891 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:44:28,892 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,914 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:28,915 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:28,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:115 [2019-09-07 11:44:29,170 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:44:29,171 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:44:29,171 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:44:29,172 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:29,196 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:29,196 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:29,196 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:113 [2019-09-07 11:44:29,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:29,651 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:29,651 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:44:29,652 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:29,681 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:29,681 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:44:29,682 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:136, output treesize:119 [2019-09-07 11:44:32,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,758 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:44:32,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:44:32,776 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:32,776 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 45 [2019-09-07 11:44:32,777 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:44:32,784 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:44:32,785 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:44:32,785 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:119, output treesize:7 [2019-09-07 11:44:32,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:44:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 118 proven. 132 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-07 11:44:33,092 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:44:33,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 40] total 64 [2019-09-07 11:44:33,093 INFO L454 AbstractCegarLoop]: Interpolant automaton has 64 states [2019-09-07 11:44:33,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2019-09-07 11:44:33,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=3535, Unknown=0, NotChecked=0, Total=4032 [2019-09-07 11:44:33,094 INFO L87 Difference]: Start difference. First operand 266 states and 314 transitions. Second operand 64 states. [2019-09-07 11:44:34,843 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2019-09-07 11:44:35,380 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-07 11:44:35,813 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-07 11:44:36,361 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2019-09-07 11:44:36,683 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-07 11:44:37,283 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2019-09-07 11:44:37,533 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-07 11:44:37,984 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2019-09-07 11:44:38,232 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-07 11:44:38,823 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2019-09-07 11:44:39,183 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-07 11:44:39,544 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-07 11:44:40,208 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 80 [2019-09-07 11:44:40,488 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-07 11:44:40,739 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-07 11:44:40,916 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-07 11:44:41,312 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-07 11:44:41,599 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-07 11:44:41,880 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-07 11:44:42,046 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-07 11:44:42,456 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-07 11:44:42,756 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-07 11:44:43,043 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-07 11:44:43,732 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-07 11:44:44,091 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-07 11:44:44,460 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-07 11:44:45,147 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-07 11:44:45,392 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-07 11:44:45,639 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-07 11:44:46,048 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-07 11:44:46,417 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-07 11:44:46,923 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2019-09-07 11:44:47,495 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2019-09-07 11:44:47,814 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-09-07 11:44:48,208 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-09-07 11:44:48,498 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 66 [2019-09-07 11:44:48,831 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2019-09-07 11:44:49,068 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2019-09-07 11:44:49,368 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2019-09-07 11:44:49,603 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2019-09-07 11:44:49,957 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-09-07 11:44:50,272 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 82 [2019-09-07 11:44:50,429 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-07 11:44:50,947 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2019-09-07 11:44:51,288 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-07 11:44:51,698 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-07 11:44:52,106 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-07 11:44:52,420 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-07 11:44:52,699 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-07 11:44:52,957 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-07 11:44:53,220 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-07 11:44:53,524 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-07 11:44:53,761 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-07 11:44:54,118 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-07 11:44:54,452 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-07 11:44:54,704 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-07 11:44:54,905 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-07 11:44:55,103 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-07 11:44:55,301 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-07 11:44:55,514 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-07 11:44:55,678 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-07 11:44:55,951 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-07 11:44:59,175 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2019-09-07 11:44:59,529 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 99 [2019-09-07 11:44:59,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:44:59,541 INFO L93 Difference]: Finished difference Result 561 states and 657 transitions. [2019-09-07 11:44:59,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2019-09-07 11:44:59,542 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 102 [2019-09-07 11:44:59,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:44:59,546 INFO L225 Difference]: With dead ends: 561 [2019-09-07 11:44:59,546 INFO L226 Difference]: Without dead ends: 457 [2019-09-07 11:44:59,550 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 53 SyntacticMatches, 25 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20114 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=4540, Invalid=45412, Unknown=0, NotChecked=0, Total=49952 [2019-09-07 11:44:59,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-09-07 11:44:59,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 262. [2019-09-07 11:44:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2019-09-07 11:44:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 307 transitions. [2019-09-07 11:44:59,597 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 307 transitions. Word has length 102 [2019-09-07 11:44:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:44:59,598 INFO L475 AbstractCegarLoop]: Abstraction has 262 states and 307 transitions. [2019-09-07 11:44:59,598 INFO L476 AbstractCegarLoop]: Interpolant automaton has 64 states. [2019-09-07 11:44:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 307 transitions. [2019-09-07 11:44:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-09-07 11:44:59,599 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:44:59,600 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:44:59,600 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:44:59,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:44:59,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1167807239, now seen corresponding path program 10 times [2019-09-07 11:44:59,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:44:59,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:44:59,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:44:59,601 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:44:59,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:44:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:45:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 120 proven. 177 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-07 11:45:01,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:45:01,325 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:45:01,335 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-07 11:45:01,376 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-07 11:45:01,377 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:45:01,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 63 conjunts are in the unsatisfiable core [2019-09-07 11:45:01,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:45:01,385 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:45:01,385 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:01,387 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,387 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-09-07 11:45:01,439 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:45:01,440 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:45:01,440 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:01,445 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,445 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2019-09-07 11:45:01,495 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:45:01,495 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:45:01,496 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,502 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:01,502 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2019-09-07 11:45:01,594 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:45:01,594 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:45:01,595 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:01,605 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,606 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2019-09-07 11:45:01,678 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:45:01,678 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:45:01,679 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,690 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:01,691 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,691 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:54 [2019-09-07 11:45:01,821 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:45:01,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:45:01,822 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:01,837 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,837 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-09-07 11:45:01,938 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:45:01,938 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:45:01,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:01,952 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:01,952 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:68 [2019-09-07 11:45:02,119 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:45:02,120 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:45:02,120 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,137 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:02,138 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,138 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:84 [2019-09-07 11:45:02,280 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:45:02,281 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:45:02,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,297 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:02,297 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,297 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:82 [2019-09-07 11:45:02,541 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2019-09-07 11:45:02,542 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:45:02,542 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:45:02,543 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,562 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:02,562 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,562 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:98 [2019-09-07 11:45:02,751 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 37 [2019-09-07 11:45:02,751 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:45:02,752 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:45:02,752 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,771 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:02,771 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:02,772 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:113, output treesize:96 [2019-09-07 11:45:03,056 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:45:03,057 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:45:03,057 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:45:03,058 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:03,098 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:03,099 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:03,099 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:112 [2019-09-07 11:45:03,342 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:45:03,343 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:45:03,343 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:45:03,344 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:03,365 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:03,366 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:03,366 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:110 [2019-09-07 11:45:03,707 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 46 [2019-09-07 11:45:03,707 INFO L341 Elim1Store]: treesize reduction 838, result has 10.3 percent of original size [2019-09-07 11:45:03,708 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 150 [2019-09-07 11:45:03,708 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:03,738 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:03,738 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:03,738 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2019-09-07 11:45:04,051 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2019-09-07 11:45:04,052 INFO L341 Elim1Store]: treesize reduction 952, result has 9.2 percent of original size [2019-09-07 11:45:04,052 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 141 treesize of output 153 [2019-09-07 11:45:04,053 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:04,081 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:04,081 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:04,081 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:127 [2019-09-07 11:45:04,852 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 99 [2019-09-07 11:45:04,852 INFO L341 Elim1Store]: treesize reduction 640, result has 41.6 percent of original size [2019-09-07 11:45:04,853 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 139 treesize of output 510 [2019-09-07 11:45:04,854 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:04,998 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2019-09-07 11:45:04,999 INFO L567 ElimStorePlain]: treesize reduction 362, result has 26.7 percent of original size [2019-09-07 11:45:05,000 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 11:45:05,000 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:150, output treesize:132 [2019-09-07 11:45:09,372 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 103 [2019-09-07 11:45:09,373 INFO L341 Elim1Store]: treesize reduction 497, result has 36.6 percent of original size [2019-09-07 11:45:09,374 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 132 treesize of output 331 [2019-09-07 11:45:09,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,382 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:09,530 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 15 [2019-09-07 11:45:09,530 INFO L567 ElimStorePlain]: treesize reduction 1041, result has 1.9 percent of original size [2019-09-07 11:45:09,531 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:09,531 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:146, output treesize:7 [2019-09-07 11:45:09,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 116 proven. 202 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-09-07 11:45:09,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:45:09,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 42] total 67 [2019-09-07 11:45:09,885 INFO L454 AbstractCegarLoop]: Interpolant automaton has 67 states [2019-09-07 11:45:09,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2019-09-07 11:45:09,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=4010, Unknown=0, NotChecked=0, Total=4422 [2019-09-07 11:45:09,886 INFO L87 Difference]: Start difference. First operand 262 states and 307 transitions. Second operand 67 states. [2019-09-07 11:45:11,928 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-09-07 11:45:12,527 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-09-07 11:45:12,932 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-07 11:45:13,149 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-09-07 11:45:13,642 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2019-09-07 11:45:13,801 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2019-09-07 11:45:14,129 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-07 11:45:14,270 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-07 11:45:14,642 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-07 11:45:14,789 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2019-09-07 11:45:15,275 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-09-07 11:45:15,546 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2019-09-07 11:45:15,794 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-07 11:45:16,368 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-07 11:45:16,578 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 71 [2019-09-07 11:45:16,754 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-09-07 11:45:17,143 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-07 11:45:17,325 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-07 11:45:17,478 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-07 11:45:17,916 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2019-09-07 11:45:18,124 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-07 11:45:18,289 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-07 11:45:18,844 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2019-09-07 11:45:19,152 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2019-09-07 11:45:19,453 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2019-09-07 11:45:19,740 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2019-09-07 11:45:20,373 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2019-09-07 11:45:20,632 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-09-07 11:45:20,837 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-07 11:45:21,013 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2019-09-07 11:45:21,444 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-07 11:45:21,662 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-07 11:45:21,869 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-07 11:45:22,033 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-07 11:45:22,533 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-09-07 11:45:22,774 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2019-09-07 11:45:22,979 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-09-07 11:45:23,161 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2019-09-07 11:45:23,844 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 100 [2019-09-07 11:45:24,241 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 97 [2019-09-07 11:45:24,643 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-07 11:45:25,012 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-07 11:45:25,370 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 85 [2019-09-07 11:45:26,138 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 102 [2019-09-07 11:45:26,467 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2019-09-07 11:45:26,760 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 92 [2019-09-07 11:45:27,019 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 88 [2019-09-07 11:45:27,247 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2019-09-07 11:45:27,465 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-07 11:45:27,830 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-07 11:45:28,102 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-09-07 11:45:28,341 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-07 11:45:28,565 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-07 11:45:28,767 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-07 11:45:29,189 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-09-07 11:45:29,476 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-09-07 11:45:29,738 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-07 11:45:29,990 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-07 11:45:30,197 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-07 11:45:30,933 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-07 11:45:31,292 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-07 11:45:31,620 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-07 11:45:31,926 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-07 11:45:32,241 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-07 11:45:32,977 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2019-09-07 11:45:33,259 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2019-09-07 11:45:33,510 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-07 11:45:33,730 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 86 [2019-09-07 11:45:33,931 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2019-09-07 11:45:34,323 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-07 11:45:34,680 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-07 11:45:35,177 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2019-09-07 11:45:42,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:45:42,269 INFO L93 Difference]: Finished difference Result 638 states and 759 transitions. [2019-09-07 11:45:42,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2019-09-07 11:45:42,269 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 114 [2019-09-07 11:45:42,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:45:42,274 INFO L225 Difference]: With dead ends: 638 [2019-09-07 11:45:42,274 INFO L226 Difference]: Without dead ends: 595 [2019-09-07 11:45:42,277 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 64 SyntacticMatches, 31 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29077 ImplicationChecksByTransitivity, 32.9s TimeCoverageRelationStatistics Valid=5341, Invalid=63565, Unknown=0, NotChecked=0, Total=68906 [2019-09-07 11:45:42,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-09-07 11:45:42,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 270. [2019-09-07 11:45:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-07 11:45:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 315 transitions. [2019-09-07 11:45:42,327 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 315 transitions. Word has length 114 [2019-09-07 11:45:42,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:45:42,327 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 315 transitions. [2019-09-07 11:45:42,327 INFO L476 AbstractCegarLoop]: Interpolant automaton has 67 states. [2019-09-07 11:45:42,327 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 315 transitions. [2019-09-07 11:45:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-09-07 11:45:42,328 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:45:42,329 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:45:42,329 INFO L418 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:45:42,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:45:42,329 INFO L82 PathProgramCache]: Analyzing trace with hash 646947528, now seen corresponding path program 11 times [2019-09-07 11:45:42,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:45:42,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:45:42,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:45:42,330 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:45:42,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:45:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:45:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 154 proven. 216 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-09-07 11:45:44,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:45:44,417 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:45:44,427 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-07 11:45:44,602 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2019-09-07 11:45:44,603 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:45:44,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 69 conjunts are in the unsatisfiable core [2019-09-07 11:45:44,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:45:44,633 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:45:44,633 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,637 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:44,637 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,637 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:45:44,711 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:45:44,712 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:45:44,712 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,718 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:44,719 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,719 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:45:44,780 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:45:44,781 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:45:44,781 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:44,790 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,790 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:45:44,925 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:45:44,925 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:45:44,926 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:44,938 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:44,938 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:45:45,037 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:45:45,037 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:45:45,038 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,059 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:45,060 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,060 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:45:45,230 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:45:45,230 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:45:45,231 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,245 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:45,246 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,246 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2019-09-07 11:45:45,377 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:45:45,377 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:45:45,378 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,392 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:45,393 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,393 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2019-09-07 11:45:45,613 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:45:45,613 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:45:45,614 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:45,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,633 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-09-07 11:45:45,814 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2019-09-07 11:45:45,815 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:45:45,815 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:45:45,816 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,832 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:45,833 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:45,833 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:85 [2019-09-07 11:45:46,086 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:45:46,086 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:45:46,087 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,111 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:46,112 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,112 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:101 [2019-09-07 11:45:46,322 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 37 [2019-09-07 11:45:46,323 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:45:46,323 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:45:46,324 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,347 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:46,347 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,347 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:99 [2019-09-07 11:45:46,661 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:45:46,661 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:45:46,661 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:45:46,662 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,686 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:46,686 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,686 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:115 [2019-09-07 11:45:46,942 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:45:46,943 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:45:46,943 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:45:46,944 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:46,968 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:46,968 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:113 [2019-09-07 11:45:47,346 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 46 [2019-09-07 11:45:47,347 INFO L341 Elim1Store]: treesize reduction 838, result has 10.3 percent of original size [2019-09-07 11:45:47,347 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 150 [2019-09-07 11:45:47,348 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:47,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:47,377 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:47,377 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2019-09-07 11:45:47,710 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2019-09-07 11:45:47,710 INFO L341 Elim1Store]: treesize reduction 952, result has 9.2 percent of original size [2019-09-07 11:45:47,711 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 141 treesize of output 153 [2019-09-07 11:45:47,712 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:47,738 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:47,738 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:47,739 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:127 [2019-09-07 11:45:48,199 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 51 [2019-09-07 11:45:48,200 INFO L341 Elim1Store]: treesize reduction 1024, result has 9.5 percent of original size [2019-09-07 11:45:48,200 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 144 treesize of output 167 [2019-09-07 11:45:48,201 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:48,232 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:48,233 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:48,233 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:147, output treesize:143 [2019-09-07 11:45:48,638 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 52 [2019-09-07 11:45:48,638 INFO L341 Elim1Store]: treesize reduction 1152, result has 8.6 percent of original size [2019-09-07 11:45:48,639 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 155 treesize of output 170 [2019-09-07 11:45:48,640 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:48,669 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:48,669 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:48,669 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:141 [2019-09-07 11:45:49,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:49,290 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:49,291 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 155 treesize of output 170 [2019-09-07 11:45:49,292 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:49,329 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:49,330 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:45:49,330 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:147 [2019-09-07 11:45:54,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,300 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:45:54,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:45:54,309 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:54,310 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 136 treesize of output 55 [2019-09-07 11:45:54,311 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:45:54,316 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:45:54,317 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:45:54,317 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:145, output treesize:7 [2019-09-07 11:45:54,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:45:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 164 proven. 206 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-09-07 11:45:54,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:45:54,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 46] total 74 [2019-09-07 11:45:54,775 INFO L454 AbstractCegarLoop]: Interpolant automaton has 74 states [2019-09-07 11:45:54,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2019-09-07 11:45:54,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=684, Invalid=4718, Unknown=0, NotChecked=0, Total=5402 [2019-09-07 11:45:54,776 INFO L87 Difference]: Start difference. First operand 270 states and 315 transitions. Second operand 74 states. [2019-09-07 11:45:56,569 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2019-09-07 11:45:57,153 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-07 11:45:57,576 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-07 11:45:58,102 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-09-07 11:45:58,431 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-07 11:45:59,026 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 80 [2019-09-07 11:45:59,280 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-07 11:45:59,730 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-07 11:45:59,971 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-07 11:46:00,202 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-07 11:46:00,578 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 88 [2019-09-07 11:46:00,929 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-07 11:46:01,279 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-07 11:46:01,951 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 91 [2019-09-07 11:46:02,217 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-07 11:46:02,470 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-07 11:46:02,982 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 107 [2019-09-07 11:46:03,260 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-07 11:46:03,506 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-07 11:46:03,746 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-07 11:46:04,174 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 99 [2019-09-07 11:46:04,581 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2019-09-07 11:46:04,953 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2019-09-07 11:46:05,335 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-07 11:46:06,102 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 102 [2019-09-07 11:46:06,439 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2019-09-07 11:46:06,702 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-07 11:46:06,972 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-07 11:46:07,141 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-07 11:46:07,543 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 122 [2019-09-07 11:46:07,865 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2019-09-07 11:46:08,146 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 106 [2019-09-07 11:46:08,423 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-07 11:46:08,683 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-07 11:46:09,187 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2019-09-07 11:46:09,643 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 125 [2019-09-07 11:46:10,087 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2019-09-07 11:46:10,502 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2019-09-07 11:46:10,941 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-07 11:46:11,302 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-07 11:46:11,785 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 114 [2019-09-07 11:46:12,150 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 124 [2019-09-07 11:46:12,475 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2019-09-07 11:46:12,760 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2019-09-07 11:46:13,055 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2019-09-07 11:46:13,249 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-07 11:46:13,730 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 140 [2019-09-07 11:46:14,118 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 132 [2019-09-07 11:46:14,492 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2019-09-07 11:46:14,811 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 116 [2019-09-07 11:46:15,117 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-07 11:46:15,317 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-07 11:46:15,813 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 140 [2019-09-07 11:46:16,226 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 132 [2019-09-07 11:46:16,575 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2019-09-07 11:46:16,906 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 116 [2019-09-07 11:46:17,198 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-07 11:46:17,549 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2019-09-07 11:46:18,040 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 129 [2019-09-07 11:46:18,520 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2019-09-07 11:46:18,990 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 113 [2019-09-07 11:46:19,439 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2019-09-07 11:46:19,880 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-07 11:46:20,098 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-07 11:46:20,780 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 128 [2019-09-07 11:46:21,124 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 120 [2019-09-07 11:46:21,442 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 112 [2019-09-07 11:46:21,712 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-09-07 11:46:21,996 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-07 11:46:22,481 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-07 11:46:22,891 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-07 11:46:23,485 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-07 11:46:23,723 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-07 11:46:24,198 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 85 [2019-09-07 11:46:24,533 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-07 11:46:24,931 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-07 11:46:25,278 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2019-09-07 11:46:25,696 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-09-07 11:46:25,982 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 97 [2019-09-07 11:46:26,300 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2019-09-07 11:46:26,606 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 96 [2019-09-07 11:46:26,982 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2019-09-07 11:46:27,386 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2019-09-07 11:46:27,537 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-07 11:46:27,754 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-07 11:46:28,195 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 111 [2019-09-07 11:46:28,649 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-09-07 11:46:29,172 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-07 11:46:29,716 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2019-09-07 11:46:30,167 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2019-09-07 11:46:30,532 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 124 [2019-09-07 11:46:30,906 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 123 [2019-09-07 11:46:31,284 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 127 [2019-09-07 11:46:31,773 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 127 [2019-09-07 11:46:32,179 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2019-09-07 11:46:32,629 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2019-09-07 11:46:33,073 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2019-09-07 11:46:33,421 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2019-09-07 11:46:33,712 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-07 11:46:34,018 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2019-09-07 11:46:34,307 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 111 [2019-09-07 11:46:34,654 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 111 [2019-09-07 11:46:34,908 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-07 11:46:35,256 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-07 11:46:35,618 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-07 11:46:35,911 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-07 11:46:36,126 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-07 11:46:36,345 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-07 11:46:36,554 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-07 11:46:36,801 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-07 11:46:36,976 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-07 11:46:37,257 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-07 11:46:41,349 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 115 [2019-09-07 11:46:41,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:46:41,447 INFO L93 Difference]: Finished difference Result 629 states and 731 transitions. [2019-09-07 11:46:41,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2019-09-07 11:46:41,447 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 126 [2019-09-07 11:46:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:46:41,451 INFO L225 Difference]: With dead ends: 629 [2019-09-07 11:46:41,451 INFO L226 Difference]: Without dead ends: 501 [2019-09-07 11:46:41,455 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 67 SyntacticMatches, 33 SemanticMatches, 303 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38977 ImplicationChecksByTransitivity, 48.9s TimeCoverageRelationStatistics Valid=7656, Invalid=85064, Unknown=0, NotChecked=0, Total=92720 [2019-09-07 11:46:41,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-09-07 11:46:41,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 302. [2019-09-07 11:46:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-09-07 11:46:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 353 transitions. [2019-09-07 11:46:41,521 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 353 transitions. Word has length 126 [2019-09-07 11:46:41,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:46:41,521 INFO L475 AbstractCegarLoop]: Abstraction has 302 states and 353 transitions. [2019-09-07 11:46:41,521 INFO L476 AbstractCegarLoop]: Interpolant automaton has 74 states. [2019-09-07 11:46:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 353 transitions. [2019-09-07 11:46:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-09-07 11:46:41,523 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:46:41,523 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:46:41,523 INFO L418 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:46:41,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:46:41,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1819420393, now seen corresponding path program 12 times [2019-09-07 11:46:41,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:46:41,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:46:41,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:46:41,524 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:46:41,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:46:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:46:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 189 proven. 262 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-09-07 11:46:43,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:46:43,761 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:46:43,772 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-07 11:46:44,117 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2019-09-07 11:46:44,117 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:46:44,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 81 conjunts are in the unsatisfiable core [2019-09-07 11:46:44,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:46:44,144 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:46:44,144 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,148 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,148 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,149 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:46:44,196 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:46:44,197 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:46:44,197 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,205 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,205 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,205 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:46:44,253 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:46:44,254 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:46:44,254 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,262 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,262 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,263 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:46:44,362 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:46:44,363 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:46:44,363 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,376 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,376 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:46:44,456 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:46:44,456 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:46:44,457 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,467 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,468 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,468 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:46:44,601 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:46:44,602 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:46:44,602 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,618 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,618 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,618 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2019-09-07 11:46:44,740 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:46:44,741 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:46:44,742 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,755 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,755 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,755 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2019-09-07 11:46:44,940 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:46:44,941 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:46:44,942 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,959 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:44,959 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:44,959 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-09-07 11:46:45,097 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:46:45,098 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:46:45,099 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:45,117 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,118 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:85 [2019-09-07 11:46:45,341 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:46:45,342 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:46:45,342 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,365 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:45,366 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,366 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:101 [2019-09-07 11:46:45,555 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:46:45,555 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:46:45,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,580 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:45,581 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,581 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:99 [2019-09-07 11:46:45,853 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:46:45,854 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:46:45,854 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:46:45,855 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,881 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:45,882 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:45,882 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:115 [2019-09-07 11:46:46,134 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:46:46,134 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:46:46,135 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:46:46,135 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:46,159 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:46,159 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:46,159 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:113 [2019-09-07 11:46:46,519 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 46 [2019-09-07 11:46:46,520 INFO L341 Elim1Store]: treesize reduction 838, result has 10.3 percent of original size [2019-09-07 11:46:46,520 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 150 [2019-09-07 11:46:46,521 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:46,547 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:46,547 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:46,548 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2019-09-07 11:46:46,846 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2019-09-07 11:46:46,846 INFO L341 Elim1Store]: treesize reduction 952, result has 9.2 percent of original size [2019-09-07 11:46:46,846 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 141 treesize of output 153 [2019-09-07 11:46:46,847 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:46,872 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:46,872 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:46,873 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:127 [2019-09-07 11:46:47,293 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 51 [2019-09-07 11:46:47,294 INFO L341 Elim1Store]: treesize reduction 1024, result has 9.5 percent of original size [2019-09-07 11:46:47,294 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 144 treesize of output 167 [2019-09-07 11:46:47,295 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:47,326 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:47,326 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:47,327 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:147, output treesize:143 [2019-09-07 11:46:47,712 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 52 [2019-09-07 11:46:47,713 INFO L341 Elim1Store]: treesize reduction 1152, result has 8.6 percent of original size [2019-09-07 11:46:47,713 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 155 treesize of output 170 [2019-09-07 11:46:47,714 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:47,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:47,747 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:47,748 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:141 [2019-09-07 11:46:48,256 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 56 [2019-09-07 11:46:48,256 INFO L341 Elim1Store]: treesize reduction 1228, result has 8.9 percent of original size [2019-09-07 11:46:48,257 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 158 treesize of output 184 [2019-09-07 11:46:48,258 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:48,291 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:48,292 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:48,292 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:161, output treesize:157 [2019-09-07 11:46:48,761 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 57 [2019-09-07 11:46:48,761 INFO L341 Elim1Store]: treesize reduction 1370, result has 8.1 percent of original size [2019-09-07 11:46:48,762 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 65 case distinctions, treesize of input 169 treesize of output 187 [2019-09-07 11:46:48,763 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:48,795 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:48,796 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:48,796 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:155 [2019-09-07 11:46:49,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,385 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,387 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,395 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,408 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,409 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:49,441 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:49,441 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 169 treesize of output 187 [2019-09-07 11:46:49,442 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:49,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:49,483 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:46:49,483 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:178, output treesize:161 [2019-09-07 11:46:54,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:54,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,030 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,043 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,055 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:46:55,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,062 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:46:55,067 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:55,068 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 149 treesize of output 60 [2019-09-07 11:46:55,068 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:46:55,075 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:46:55,076 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:46:55,076 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:158, output treesize:7 [2019-09-07 11:46:55,146 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:46:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 202 proven. 276 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-09-07 11:46:55,599 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:46:55,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 53] total 83 [2019-09-07 11:46:55,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 83 states [2019-09-07 11:46:55,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2019-09-07 11:46:55,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=5965, Unknown=0, NotChecked=0, Total=6806 [2019-09-07 11:46:55,601 INFO L87 Difference]: Start difference. First operand 302 states and 353 transitions. Second operand 83 states. [2019-09-07 11:47:07,998 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2019-09-07 11:47:09,346 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-07 11:47:10,505 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-07 11:47:11,229 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-07 11:47:11,408 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-07 11:47:11,646 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-07 11:47:12,280 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-07 11:47:12,725 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-07 11:47:14,345 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 121 [2019-09-07 11:47:14,535 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-09-07 11:47:14,984 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2019-09-07 11:47:15,713 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2019-09-07 11:47:16,529 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 114 [2019-09-07 11:47:16,927 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-07 11:47:17,255 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2019-09-07 11:47:17,552 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2019-09-07 11:47:17,945 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-07 11:47:18,339 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 116 [2019-09-07 11:47:18,625 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-07 11:47:19,195 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-09-07 11:47:19,512 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 114 [2019-09-07 11:47:19,902 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2019-09-07 11:47:20,309 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 121 [2019-09-07 11:47:20,699 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-07 11:47:21,187 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-07 11:47:21,540 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2019-09-07 11:47:22,143 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-07 11:47:22,480 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2019-09-07 11:47:22,884 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-07 11:47:23,226 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2019-09-07 11:47:23,465 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-07 11:47:23,786 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2019-09-07 11:47:23,998 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-07 11:47:24,312 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-07 11:47:24,526 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-07 11:47:24,850 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2019-09-07 11:47:25,091 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-07 11:47:25,396 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-07 11:47:25,727 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-07 11:47:26,018 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-07 11:47:26,340 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-07 11:47:26,623 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-07 11:47:26,835 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-07 11:47:27,100 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-09-07 11:47:27,293 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-07 11:47:27,552 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-09-07 11:47:27,731 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-07 11:47:27,998 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-07 11:47:28,467 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-07 11:47:29,010 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-07 11:47:29,304 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-07 11:47:29,538 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-09-07 11:47:29,980 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-07 11:47:30,354 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-07 11:47:30,722 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-07 11:47:31,135 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-07 11:47:31,361 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-07 11:47:31,807 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-07 11:47:36,300 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 129 [2019-09-07 11:47:36,823 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 131 [2019-09-07 11:47:36,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:36,846 INFO L93 Difference]: Finished difference Result 848 states and 1019 transitions. [2019-09-07 11:47:36,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2019-09-07 11:47:36,846 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 138 [2019-09-07 11:47:36,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:36,851 INFO L225 Difference]: With dead ends: 848 [2019-09-07 11:47:36,851 INFO L226 Difference]: Without dead ends: 796 [2019-09-07 11:47:36,857 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 70 SyntacticMatches, 38 SemanticMatches, 337 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51160 ImplicationChecksByTransitivity, 42.7s TimeCoverageRelationStatistics Valid=10487, Invalid=104095, Unknown=0, NotChecked=0, Total=114582 [2019-09-07 11:47:36,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2019-09-07 11:47:36,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 622. [2019-09-07 11:47:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-09-07 11:47:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 751 transitions. [2019-09-07 11:47:36,982 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 751 transitions. Word has length 138 [2019-09-07 11:47:36,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:36,982 INFO L475 AbstractCegarLoop]: Abstraction has 622 states and 751 transitions. [2019-09-07 11:47:36,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 83 states. [2019-09-07 11:47:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 751 transitions. [2019-09-07 11:47:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-07 11:47:36,984 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:36,985 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:36,985 INFO L418 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:36,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:36,985 INFO L82 PathProgramCache]: Analyzing trace with hash 722702310, now seen corresponding path program 13 times [2019-09-07 11:47:36,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:36,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:36,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:36,986 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:47:36,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 232 proven. 308 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-09-07 11:47:39,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:47:39,446 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:47:39,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:47:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:39,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 81 conjunts are in the unsatisfiable core [2019-09-07 11:47:39,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:47:39,511 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:47:39,512 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,513 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:39,513 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,513 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-09-07 11:47:39,588 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:47:39,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:47:39,589 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,594 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:39,595 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,595 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2019-09-07 11:47:39,671 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:47:39,671 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:47:39,672 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:39,677 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,678 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2019-09-07 11:47:39,805 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:47:39,806 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:47:39,806 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:39,817 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,818 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2019-09-07 11:47:39,911 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:47:39,912 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:47:39,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:39,922 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:39,922 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:54 [2019-09-07 11:47:40,088 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:47:40,088 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:47:40,089 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,101 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:40,101 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,102 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-09-07 11:47:40,228 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:47:40,228 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:47:40,229 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,240 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:40,240 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,240 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:68 [2019-09-07 11:47:40,456 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:47:40,457 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:47:40,458 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,471 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:40,472 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,472 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:84 [2019-09-07 11:47:40,638 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:47:40,639 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:47:40,640 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,656 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:40,657 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,657 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:82 [2019-09-07 11:47:40,914 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:47:40,915 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:47:40,915 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,932 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:40,933 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:40,933 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:98 [2019-09-07 11:47:41,159 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 37 [2019-09-07 11:47:41,159 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:47:41,160 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:47:41,160 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:41,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:41,179 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:41,180 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:113, output treesize:96 [2019-09-07 11:47:41,488 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:47:41,488 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:47:41,489 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:47:41,490 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:41,511 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:41,511 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:41,511 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:112 [2019-09-07 11:47:41,775 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:47:41,775 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:47:41,775 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:47:41,776 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:41,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:41,796 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:41,797 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:110 [2019-09-07 11:47:42,174 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 46 [2019-09-07 11:47:42,174 INFO L341 Elim1Store]: treesize reduction 838, result has 10.3 percent of original size [2019-09-07 11:47:42,175 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 150 [2019-09-07 11:47:42,175 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:42,200 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:42,200 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:42,201 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:126 [2019-09-07 11:47:42,529 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2019-09-07 11:47:42,530 INFO L341 Elim1Store]: treesize reduction 952, result has 9.2 percent of original size [2019-09-07 11:47:42,530 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 141 treesize of output 153 [2019-09-07 11:47:42,531 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:42,555 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:42,555 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:42,556 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:124 [2019-09-07 11:47:43,025 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 51 [2019-09-07 11:47:43,026 INFO L341 Elim1Store]: treesize reduction 1024, result has 9.5 percent of original size [2019-09-07 11:47:43,026 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 144 treesize of output 167 [2019-09-07 11:47:43,027 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:43,054 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:43,055 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:43,055 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:140 [2019-09-07 11:47:43,436 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 52 [2019-09-07 11:47:43,437 INFO L341 Elim1Store]: treesize reduction 1152, result has 8.6 percent of original size [2019-09-07 11:47:43,437 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 155 treesize of output 170 [2019-09-07 11:47:43,438 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:43,479 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:43,479 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:43,479 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:138 [2019-09-07 11:47:44,038 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 56 [2019-09-07 11:47:44,038 INFO L341 Elim1Store]: treesize reduction 1228, result has 8.9 percent of original size [2019-09-07 11:47:44,039 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 158 treesize of output 184 [2019-09-07 11:47:44,040 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:44,071 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:44,071 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:44,072 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:154 [2019-09-07 11:47:44,546 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 57 [2019-09-07 11:47:44,547 INFO L341 Elim1Store]: treesize reduction 1370, result has 8.1 percent of original size [2019-09-07 11:47:44,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 65 case distinctions, treesize of input 169 treesize of output 187 [2019-09-07 11:47:44,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:44,578 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:44,578 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:44,579 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:169, output treesize:152 [2019-09-07 11:47:45,255 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 61 [2019-09-07 11:47:45,256 INFO L341 Elim1Store]: treesize reduction 1450, result has 8.3 percent of original size [2019-09-07 11:47:45,256 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 172 treesize of output 201 [2019-09-07 11:47:45,257 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:45,296 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:45,296 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:45,296 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:171 [2019-09-07 11:47:45,880 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 62 [2019-09-07 11:47:45,881 INFO L341 Elim1Store]: treesize reduction 1606, result has 7.6 percent of original size [2019-09-07 11:47:45,881 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 77 case distinctions, treesize of input 183 treesize of output 204 [2019-09-07 11:47:45,882 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:45,923 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:47:45,923 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:45,924 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:186, output treesize:169 [2019-09-07 11:47:47,314 WARN L188 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 129 [2019-09-07 11:47:47,314 INFO L341 Elim1Store]: treesize reduction 1177, result has 34.1 percent of original size [2019-09-07 11:47:47,315 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 181 treesize of output 678 [2019-09-07 11:47:47,316 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:47:47,532 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 77 [2019-09-07 11:47:47,532 INFO L567 ElimStorePlain]: treesize reduction 478, result has 26.8 percent of original size [2019-09-07 11:47:47,533 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:47:47,533 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:192, output treesize:181 [2019-09-07 11:47:57,487 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 91 [2019-09-07 11:47:57,488 INFO L341 Elim1Store]: treesize reduction 1177, result has 14.8 percent of original size [2019-09-07 11:47:57,488 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 189 treesize of output 268 [2019-09-07 11:47:57,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:57,506 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-09-07 11:47:57,686 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 13 [2019-09-07 11:47:57,687 INFO L567 ElimStorePlain]: treesize reduction 1616, result has 1.0 percent of original size [2019-09-07 11:47:57,687 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:47:57,687 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:195, output treesize:7 [2019-09-07 11:47:57,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:47:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 224 proven. 346 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-09-07 11:47:58,360 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:47:58,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 54] total 86 [2019-09-07 11:47:58,361 INFO L454 AbstractCegarLoop]: Interpolant automaton has 86 states [2019-09-07 11:47:58,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2019-09-07 11:47:58,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=6681, Unknown=0, NotChecked=0, Total=7310 [2019-09-07 11:47:58,362 INFO L87 Difference]: Start difference. First operand 622 states and 751 transitions. Second operand 86 states. [2019-09-07 11:48:00,698 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-09-07 11:48:01,424 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-07 11:48:01,915 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-07 11:48:02,380 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-07 11:48:02,786 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-07 11:48:03,156 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-07 11:48:03,892 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-07 11:48:04,189 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-07 11:48:04,646 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-07 11:48:04,890 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-07 11:48:05,613 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-07 11:48:05,952 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-07 11:48:06,351 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-07 11:48:07,171 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-07 11:48:07,426 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-07 11:48:07,734 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-07 11:48:08,249 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-07 11:48:08,493 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-07 11:48:08,755 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-07 11:48:09,539 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-07 11:48:09,917 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2019-09-07 11:48:10,299 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2019-09-07 11:48:10,735 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-07 11:48:11,643 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 104 [2019-09-07 11:48:11,936 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-09-07 11:48:12,207 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-07 11:48:12,534 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-07 11:48:13,108 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2019-09-07 11:48:13,406 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2019-09-07 11:48:13,667 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-07 11:48:13,955 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-07 11:48:14,316 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-07 11:48:14,813 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 112 [2019-09-07 11:48:15,258 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2019-09-07 11:48:15,679 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 110 [2019-09-07 11:48:16,085 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-07 11:48:16,566 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-07 11:48:17,563 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 115 [2019-09-07 11:48:17,911 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 117 [2019-09-07 11:48:18,216 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2019-09-07 11:48:18,494 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2019-09-07 11:48:18,849 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-07 11:48:19,081 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-07 11:48:19,506 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 129 [2019-09-07 11:48:19,852 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2019-09-07 11:48:20,172 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2019-09-07 11:48:20,447 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2019-09-07 11:48:20,750 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2019-09-07 11:48:21,120 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-07 11:48:21,320 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-07 11:48:21,696 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2019-09-07 11:48:22,188 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2019-09-07 11:48:22,684 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 124 [2019-09-07 11:48:23,154 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2019-09-07 11:48:23,603 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 110 [2019-09-07 11:48:24,126 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-07 11:48:24,342 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-07 11:48:24,632 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-07 11:48:25,222 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2019-09-07 11:48:25,617 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2019-09-07 11:48:25,977 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2019-09-07 11:48:26,319 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 116 [2019-09-07 11:48:26,619 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2019-09-07 11:48:26,959 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2019-09-07 11:48:27,192 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-07 11:48:27,664 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2019-09-07 11:48:28,073 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 134 [2019-09-07 11:48:28,425 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2019-09-07 11:48:28,755 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 120 [2019-09-07 11:48:29,056 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 113 [2019-09-07 11:48:29,380 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2019-09-07 11:48:29,789 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-07 11:48:30,024 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-07 11:48:30,447 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2019-09-07 11:48:31,007 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2019-09-07 11:48:31,535 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 137 [2019-09-07 11:48:32,060 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 130 [2019-09-07 11:48:32,577 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 123 [2019-09-07 11:48:33,070 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2019-09-07 11:48:33,268 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-07 11:48:33,645 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2019-09-07 11:48:33,896 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-07 11:48:34,192 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-09-07 11:48:34,824 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 140 [2019-09-07 11:48:35,273 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 143 [2019-09-07 11:48:35,673 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2019-09-07 11:48:36,053 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 129 [2019-09-07 11:48:36,400 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 122 [2019-09-07 11:48:36,724 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 115 [2019-09-07 11:48:37,102 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2019-09-07 11:48:37,366 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-07 11:48:37,931 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 157 [2019-09-07 11:48:38,375 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2019-09-07 11:48:38,792 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 143 [2019-09-07 11:48:39,209 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2019-09-07 11:48:39,565 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 129 [2019-09-07 11:48:39,891 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2019-09-07 11:48:40,253 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2019-09-07 11:48:40,501 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-07 11:48:41,066 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 157 [2019-09-07 11:48:41,516 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2019-09-07 11:48:41,925 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 143 [2019-09-07 11:48:42,308 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2019-09-07 11:48:42,666 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 129 [2019-09-07 11:48:42,990 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2019-09-07 11:48:43,326 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2019-09-07 11:48:43,605 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-07 11:48:43,879 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-07 11:48:44,476 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 148 [2019-09-07 11:48:45,063 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2019-09-07 11:48:45,642 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 134 [2019-09-07 11:48:46,211 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2019-09-07 11:48:46,790 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 120 [2019-09-07 11:48:47,025 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-07 11:48:47,324 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 113 [2019-09-07 11:48:47,579 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-07 11:48:47,955 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2019-09-07 11:48:48,260 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-07 11:48:48,519 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-07 11:48:49,181 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 147 [2019-09-07 11:48:49,615 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 140 [2019-09-07 11:48:50,019 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 133 [2019-09-07 11:48:50,387 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 126 [2019-09-07 11:48:50,716 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2019-09-07 11:48:51,015 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 112 [2019-09-07 11:48:51,383 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-09-07 11:48:51,692 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 132 [2019-09-07 11:48:52,067 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2019-09-07 11:48:52,472 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2019-09-07 11:48:53,643 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-07 11:48:53,968 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-07 11:48:54,640 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-07 11:48:55,313 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-07 11:48:55,880 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-07 11:48:58,493 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-07 11:48:59,349 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 88 [2019-09-07 11:49:00,126 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 138 [2019-09-07 11:49:01,071 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2019-09-07 11:49:01,279 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2019-09-07 11:49:09,512 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2019-09-07 11:49:11,285 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2019-09-07 11:49:12,511 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-07 11:49:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:49:15,206 INFO L93 Difference]: Finished difference Result 1461 states and 1744 transitions. [2019-09-07 11:49:15,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2019-09-07 11:49:15,206 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 150 [2019-09-07 11:49:15,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:49:15,212 INFO L225 Difference]: With dead ends: 1461 [2019-09-07 11:49:15,212 INFO L226 Difference]: Without dead ends: 1353 [2019-09-07 11:49:15,219 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 122 SyntacticMatches, 41 SemanticMatches, 367 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57405 ImplicationChecksByTransitivity, 70.6s TimeCoverageRelationStatistics Valid=10183, Invalid=125609, Unknown=0, NotChecked=0, Total=135792 [2019-09-07 11:49:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2019-09-07 11:49:15,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1014. [2019-09-07 11:49:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2019-09-07 11:49:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1239 transitions. [2019-09-07 11:49:15,457 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1239 transitions. Word has length 150 [2019-09-07 11:49:15,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:49:15,457 INFO L475 AbstractCegarLoop]: Abstraction has 1014 states and 1239 transitions. [2019-09-07 11:49:15,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 86 states. [2019-09-07 11:49:15,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1239 transitions. [2019-09-07 11:49:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-07 11:49:15,459 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:49:15,459 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:49:15,460 INFO L418 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:49:15,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:49:15,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1232406325, now seen corresponding path program 14 times [2019-09-07 11:49:15,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:49:15,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:49:15,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:49:15,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:49:15,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:49:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:49:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 277 proven. 360 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-09-07 11:49:18,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:49:18,547 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:49:18,558 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-07 11:49:18,617 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-07 11:49:18,617 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:49:18,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 91 conjunts are in the unsatisfiable core [2019-09-07 11:49:18,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:49:18,655 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:49:18,656 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:18,661 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:18,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:18,661 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:49:18,751 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:49:18,751 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:49:18,752 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:18,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:18,760 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:18,760 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:49:18,840 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:49:18,840 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:49:18,841 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:18,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:18,851 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:18,851 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:49:18,995 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:49:18,995 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:49:18,996 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,007 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:19,008 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,008 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:49:19,115 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:49:19,116 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:49:19,116 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,129 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:19,130 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,130 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:49:19,330 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:49:19,330 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:49:19,331 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:19,346 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,346 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2019-09-07 11:49:19,482 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:49:19,483 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:49:19,483 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:19,498 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,498 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2019-09-07 11:49:19,723 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:49:19,723 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:49:19,724 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,742 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:19,743 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,743 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-09-07 11:49:19,917 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:49:19,917 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:49:19,918 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,935 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:19,935 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,935 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:85 [2019-09-07 11:49:20,211 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:49:20,212 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:49:20,213 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:20,234 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:20,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:20,234 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:101 [2019-09-07 11:49:20,470 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 37 [2019-09-07 11:49:20,470 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:49:20,471 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:49:20,471 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:20,492 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:20,492 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:20,492 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:99 [2019-09-07 11:49:20,836 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:49:20,836 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:49:20,837 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:49:20,838 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:20,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:20,860 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:20,860 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:115 [2019-09-07 11:49:21,128 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:49:21,129 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:49:21,129 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:49:21,130 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:21,156 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:21,157 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:21,157 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:113 [2019-09-07 11:49:21,595 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 46 [2019-09-07 11:49:21,595 INFO L341 Elim1Store]: treesize reduction 838, result has 10.3 percent of original size [2019-09-07 11:49:21,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 150 [2019-09-07 11:49:21,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:21,627 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:21,627 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:21,628 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2019-09-07 11:49:21,980 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2019-09-07 11:49:21,981 INFO L341 Elim1Store]: treesize reduction 952, result has 9.2 percent of original size [2019-09-07 11:49:21,981 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 141 treesize of output 153 [2019-09-07 11:49:21,982 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:22,011 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:22,011 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:22,011 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:127 [2019-09-07 11:49:22,513 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 51 [2019-09-07 11:49:22,514 INFO L341 Elim1Store]: treesize reduction 1024, result has 9.5 percent of original size [2019-09-07 11:49:22,514 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 144 treesize of output 167 [2019-09-07 11:49:22,515 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:22,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:22,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:22,548 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:147, output treesize:143 [2019-09-07 11:49:22,942 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 52 [2019-09-07 11:49:22,942 INFO L341 Elim1Store]: treesize reduction 1152, result has 8.6 percent of original size [2019-09-07 11:49:22,943 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 155 treesize of output 170 [2019-09-07 11:49:22,943 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:22,972 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:22,973 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:22,973 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:141 [2019-09-07 11:49:23,548 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 56 [2019-09-07 11:49:23,549 INFO L341 Elim1Store]: treesize reduction 1228, result has 8.9 percent of original size [2019-09-07 11:49:23,549 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 158 treesize of output 184 [2019-09-07 11:49:23,550 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:23,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:23,585 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:23,585 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:161, output treesize:157 [2019-09-07 11:49:24,083 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 57 [2019-09-07 11:49:24,083 INFO L341 Elim1Store]: treesize reduction 1370, result has 8.1 percent of original size [2019-09-07 11:49:24,084 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 65 case distinctions, treesize of input 169 treesize of output 187 [2019-09-07 11:49:24,085 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:24,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:24,121 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:24,121 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:155 [2019-09-07 11:49:24,831 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 61 [2019-09-07 11:49:24,832 INFO L341 Elim1Store]: treesize reduction 1450, result has 8.3 percent of original size [2019-09-07 11:49:24,832 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 172 treesize of output 201 [2019-09-07 11:49:24,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:24,872 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:24,872 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:24,872 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:171 [2019-09-07 11:49:25,461 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 62 [2019-09-07 11:49:25,461 INFO L341 Elim1Store]: treesize reduction 1606, result has 7.6 percent of original size [2019-09-07 11:49:25,462 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 77 case distinctions, treesize of input 183 treesize of output 204 [2019-09-07 11:49:25,463 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:25,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:25,503 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:25,503 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:186, output treesize:169 [2019-09-07 11:49:25,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,934 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,937 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,941 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,947 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,962 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:25,969 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:25,970 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 186 treesize of output 218 [2019-09-07 11:49:25,971 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:26,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:26,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:26,023 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:192, output treesize:188 [2019-09-07 11:49:26,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,314 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,323 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,324 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,332 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:26,334 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:26,334 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 197 treesize of output 221 [2019-09-07 11:49:26,336 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:26,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:26,382 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:26,382 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:203, output treesize:186 [2019-09-07 11:49:27,107 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:49:27,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,133 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,143 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,144 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,145 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,147 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,148 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,149 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,153 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,155 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,156 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:27,198 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:27,199 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 195 treesize of output 230 [2019-09-07 11:49:27,200 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:27,339 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-07 11:49:27,339 INFO L567 ElimStorePlain]: treesize reduction 12, result has 94.1 percent of original size [2019-09-07 11:49:27,340 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:27,341 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:209, output treesize:191 [2019-09-07 11:49:37,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,547 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,548 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,570 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,572 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,595 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:49:37,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,609 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,612 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,614 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,627 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:37,627 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 171 treesize of output 68 [2019-09-07 11:49:37,628 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:37,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:37,637 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:37,637 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:185, output treesize:7 [2019-09-07 11:49:37,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:49:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 268 proven. 402 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-07 11:49:38,449 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:49:38,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 59] total 93 [2019-09-07 11:49:38,450 INFO L454 AbstractCegarLoop]: Interpolant automaton has 93 states [2019-09-07 11:49:38,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2019-09-07 11:49:38,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1033, Invalid=7523, Unknown=0, NotChecked=0, Total=8556 [2019-09-07 11:49:38,451 INFO L87 Difference]: Start difference. First operand 1014 states and 1239 transitions. Second operand 93 states. [2019-09-07 11:49:40,451 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-07 11:49:41,045 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-07 11:49:41,473 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-07 11:49:42,017 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-07 11:49:42,335 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-07 11:49:42,971 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2019-09-07 11:49:43,216 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-07 11:49:43,651 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-07 11:49:43,886 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-07 11:49:44,519 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2019-09-07 11:49:44,855 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-07 11:49:45,197 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-07 11:49:45,915 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-07 11:49:46,158 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-07 11:49:46,398 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-07 11:49:46,891 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-07 11:49:47,133 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-07 11:49:47,383 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-07 11:49:48,139 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-09-07 11:49:48,526 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-07 11:49:48,879 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-07 11:49:49,251 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-07 11:49:50,020 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-07 11:49:50,314 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-07 11:49:50,561 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-07 11:49:50,831 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-07 11:49:51,388 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2019-09-07 11:49:51,664 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-07 11:49:51,915 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-07 11:49:52,185 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-07 11:49:52,984 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-07 11:49:53,390 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-07 11:49:53,783 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-07 11:49:54,168 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-07 11:49:54,590 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-07 11:49:55,429 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-07 11:49:55,767 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-07 11:49:56,057 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-07 11:49:56,310 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-07 11:49:56,593 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-07 11:49:56,803 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-07 11:49:57,205 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-09-07 11:49:57,529 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-07 11:49:57,825 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-07 11:49:58,099 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-07 11:49:58,402 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-07 11:49:58,741 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-07 11:49:59,280 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-09-07 11:49:59,753 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2019-09-07 11:50:00,214 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-07 11:50:00,657 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-07 11:50:01,096 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-07 11:50:01,566 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-07 11:50:02,010 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-07 11:50:02,535 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-07 11:50:02,903 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2019-09-07 11:50:03,237 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-09-07 11:50:03,548 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-07 11:50:03,824 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-07 11:50:04,138 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-07 11:50:04,367 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-07 11:50:04,829 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2019-09-07 11:50:05,199 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2019-09-07 11:50:05,558 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2019-09-07 11:50:05,890 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-07 11:50:06,184 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-07 11:50:06,497 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-07 11:50:06,895 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-07 11:50:07,106 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-07 11:50:07,517 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2019-09-07 11:50:08,047 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-07 11:50:08,563 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-07 11:50:09,070 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-07 11:50:09,562 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-09-07 11:50:10,054 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-09-07 11:50:10,557 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-07 11:50:10,773 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-07 11:50:11,049 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-07 11:50:11,607 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2019-09-07 11:50:12,019 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2019-09-07 11:50:12,404 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2019-09-07 11:50:12,748 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2019-09-07 11:50:13,091 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2019-09-07 11:50:13,400 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2019-09-07 11:50:13,729 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-07 11:50:13,986 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-07 11:50:14,474 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-07 11:50:14,901 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-07 11:50:15,281 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2019-09-07 11:50:15,640 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2019-09-07 11:50:15,986 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2019-09-07 11:50:16,306 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-07 11:50:16,622 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-07 11:50:17,080 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-07 11:50:17,315 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-07 11:50:17,743 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 124 [2019-09-07 11:50:18,322 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-07 11:50:18,903 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-07 11:50:19,446 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-07 11:50:19,981 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2019-09-07 11:50:20,506 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2019-09-07 11:50:21,031 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2019-09-07 11:50:21,230 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-07 11:50:21,590 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-07 11:50:21,828 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-07 11:50:22,126 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-07 11:50:22,742 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 127 [2019-09-07 11:50:23,198 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-07 11:50:23,623 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-07 11:50:24,040 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2019-09-07 11:50:24,431 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-07 11:50:24,790 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-07 11:50:25,113 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-09-07 11:50:25,479 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-09-07 11:50:25,761 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-07 11:50:26,363 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 145 [2019-09-07 11:50:26,856 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2019-09-07 11:50:27,333 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 136 [2019-09-07 11:50:27,787 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-07 11:50:28,210 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-07 11:50:28,619 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2019-09-07 11:50:28,980 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-07 11:50:29,373 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-07 11:50:29,628 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-07 11:50:30,223 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 145 [2019-09-07 11:50:30,706 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2019-09-07 11:50:31,170 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 136 [2019-09-07 11:50:31,616 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-07 11:50:32,024 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-07 11:50:32,402 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2019-09-07 11:50:32,748 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-07 11:50:33,107 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-07 11:50:33,369 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-07 11:50:33,649 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-07 11:50:34,265 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-07 11:50:34,901 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-07 11:50:35,495 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-07 11:50:36,083 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-07 11:50:36,664 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2019-09-07 11:50:36,902 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-07 11:50:37,245 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2019-09-07 11:50:37,488 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-07 11:50:37,805 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2019-09-07 11:50:38,047 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-07 11:50:38,409 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-07 11:50:38,704 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-07 11:50:38,941 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-07 11:50:39,575 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2019-09-07 11:50:40,016 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-07 11:50:40,433 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-07 11:50:40,824 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2019-09-07 11:50:41,185 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-07 11:50:41,516 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-07 11:50:41,832 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-09-07 11:50:42,169 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-09-07 11:50:42,456 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 143 [2019-09-07 11:50:42,880 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-09-07 11:50:43,295 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-09-07 11:50:44,063 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-07 11:50:44,390 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-07 11:50:44,880 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-07 11:50:45,516 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2019-09-07 11:50:46,146 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2019-09-07 11:50:46,823 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2019-09-07 11:50:47,440 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-07 11:50:47,857 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 141 [2019-09-07 11:50:48,496 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 148 [2019-09-07 11:50:48,940 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 140 [2019-09-07 11:50:49,116 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2019-09-07 11:50:49,808 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 129 [2019-09-07 11:50:49,989 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2019-09-07 11:50:51,063 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 148 [2019-09-07 11:50:51,693 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-07 11:50:52,406 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2019-09-07 11:50:53,113 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2019-09-07 11:50:53,681 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2019-09-07 11:50:54,185 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2019-09-07 11:50:54,665 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-07 11:50:55,153 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-07 11:50:55,745 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-07 11:50:56,191 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2019-09-07 11:50:56,847 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-07 11:50:57,488 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-07 11:50:57,995 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-07 11:50:58,421 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2019-09-07 11:50:58,850 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2019-09-07 11:50:59,268 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-07 11:50:59,819 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-07 11:51:00,222 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-09-07 11:51:00,821 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-07 11:51:01,422 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2019-09-07 11:51:01,863 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2019-09-07 11:51:02,218 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-07 11:51:02,574 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 116 [2019-09-07 11:51:02,921 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-07 11:51:03,402 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-07 11:51:03,734 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2019-09-07 11:51:04,270 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2019-09-07 11:51:04,783 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 116 [2019-09-07 11:51:05,172 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 116 [2019-09-07 11:51:05,459 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2019-09-07 11:51:05,749 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2019-09-07 11:51:06,038 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2019-09-07 11:51:06,447 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2019-09-07 11:51:06,719 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-09-07 11:51:07,193 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-07 11:51:07,636 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2019-09-07 11:51:07,973 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2019-09-07 11:51:08,341 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-07 11:51:08,587 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-07 11:51:13,619 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2019-09-07 11:51:14,768 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2019-09-07 11:51:17,139 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 153 [2019-09-07 11:51:17,846 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 155 [2019-09-07 11:51:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:51:17,871 INFO L93 Difference]: Finished difference Result 1714 states and 2050 transitions. [2019-09-07 11:51:17,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states. [2019-09-07 11:51:17,872 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 162 [2019-09-07 11:51:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:51:17,879 INFO L225 Difference]: With dead ends: 1714 [2019-09-07 11:51:17,880 INFO L226 Difference]: Without dead ends: 1592 [2019-09-07 11:51:17,889 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 84 SyntacticMatches, 45 SemanticMatches, 457 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92159 ImplicationChecksByTransitivity, 99.8s TimeCoverageRelationStatistics Valid=15157, Invalid=195065, Unknown=0, NotChecked=0, Total=210222 [2019-09-07 11:51:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2019-09-07 11:51:18,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1302. [2019-09-07 11:51:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1302 states. [2019-09-07 11:51:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1574 transitions. [2019-09-07 11:51:18,328 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1574 transitions. Word has length 162 [2019-09-07 11:51:18,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:51:18,328 INFO L475 AbstractCegarLoop]: Abstraction has 1302 states and 1574 transitions. [2019-09-07 11:51:18,329 INFO L476 AbstractCegarLoop]: Interpolant automaton has 93 states. [2019-09-07 11:51:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1574 transitions. [2019-09-07 11:51:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-07 11:51:18,333 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:51:18,333 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:51:18,334 INFO L418 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:51:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:51:18,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1918468348, now seen corresponding path program 15 times [2019-09-07 11:51:18,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:51:18,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:51:18,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:51:18,335 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:51:18,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:51:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:51:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 327 proven. 415 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-09-07 11:51:21,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:51:21,841 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:51:21,851 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-07 11:51:22,558 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2019-09-07 11:51:22,558 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:51:22,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 101 conjunts are in the unsatisfiable core [2019-09-07 11:51:22,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:51:22,630 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:51:22,631 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:22,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:22,636 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:22,636 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-09-07 11:51:22,747 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:51:22,748 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:51:22,748 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:22,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:22,756 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:22,756 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-09-07 11:51:22,837 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:51:22,837 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:51:22,838 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:22,847 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:22,847 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:22,847 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-09-07 11:51:22,994 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:51:22,994 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:51:22,995 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,007 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:23,007 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,007 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:51:23,131 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:51:23,131 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:51:23,132 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:23,144 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,144 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:57 [2019-09-07 11:51:23,336 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:51:23,336 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:51:23,337 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:23,352 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,352 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2019-09-07 11:51:23,493 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:51:23,494 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:51:23,494 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,509 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:23,510 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,510 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:71 [2019-09-07 11:51:23,739 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:51:23,740 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:51:23,740 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,758 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:23,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,759 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:87 [2019-09-07 11:51:23,925 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:51:23,925 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:51:23,926 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:23,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:23,944 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:85 [2019-09-07 11:51:24,234 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:51:24,234 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:51:24,235 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:24,257 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:24,257 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:24,258 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:101 [2019-09-07 11:51:24,526 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 37 [2019-09-07 11:51:24,526 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:51:24,526 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:51:24,527 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:24,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:24,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:24,548 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:99 [2019-09-07 11:51:24,909 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:51:24,909 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:51:24,910 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:51:24,910 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:24,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:24,937 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:24,938 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:115 [2019-09-07 11:51:25,220 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:51:25,220 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:51:25,221 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:51:25,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:25,249 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:25,249 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:25,249 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:113 [2019-09-07 11:51:25,666 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 46 [2019-09-07 11:51:25,666 INFO L341 Elim1Store]: treesize reduction 838, result has 10.3 percent of original size [2019-09-07 11:51:25,667 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 150 [2019-09-07 11:51:25,668 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:25,695 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:25,695 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:25,696 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2019-09-07 11:51:26,024 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2019-09-07 11:51:26,024 INFO L341 Elim1Store]: treesize reduction 952, result has 9.2 percent of original size [2019-09-07 11:51:26,024 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 141 treesize of output 153 [2019-09-07 11:51:26,025 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:26,052 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:26,052 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:26,053 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:127 [2019-09-07 11:51:26,526 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 51 [2019-09-07 11:51:26,527 INFO L341 Elim1Store]: treesize reduction 1024, result has 9.5 percent of original size [2019-09-07 11:51:26,527 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 144 treesize of output 167 [2019-09-07 11:51:26,528 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:26,562 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:26,563 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:26,563 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:147, output treesize:143 [2019-09-07 11:51:27,025 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 52 [2019-09-07 11:51:27,025 INFO L341 Elim1Store]: treesize reduction 1152, result has 8.6 percent of original size [2019-09-07 11:51:27,026 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 155 treesize of output 170 [2019-09-07 11:51:27,027 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:27,063 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:27,063 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:27,064 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:141 [2019-09-07 11:51:27,656 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 56 [2019-09-07 11:51:27,656 INFO L341 Elim1Store]: treesize reduction 1228, result has 8.9 percent of original size [2019-09-07 11:51:27,657 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 158 treesize of output 184 [2019-09-07 11:51:27,658 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:27,690 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:27,691 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:27,691 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:161, output treesize:157 [2019-09-07 11:51:28,193 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 57 [2019-09-07 11:51:28,193 INFO L341 Elim1Store]: treesize reduction 1370, result has 8.1 percent of original size [2019-09-07 11:51:28,193 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 65 case distinctions, treesize of input 169 treesize of output 187 [2019-09-07 11:51:28,194 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:28,229 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:28,229 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:28,230 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:155 [2019-09-07 11:51:28,912 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 61 [2019-09-07 11:51:28,913 INFO L341 Elim1Store]: treesize reduction 1450, result has 8.3 percent of original size [2019-09-07 11:51:28,913 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 172 treesize of output 201 [2019-09-07 11:51:28,914 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:28,954 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:28,954 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:28,954 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:171 [2019-09-07 11:51:29,579 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 62 [2019-09-07 11:51:29,580 INFO L341 Elim1Store]: treesize reduction 1606, result has 7.6 percent of original size [2019-09-07 11:51:29,580 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 77 case distinctions, treesize of input 183 treesize of output 204 [2019-09-07 11:51:29,581 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:29,621 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:29,622 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:29,622 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:186, output treesize:169 [2019-09-07 11:51:30,452 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 66 [2019-09-07 11:51:30,452 INFO L341 Elim1Store]: treesize reduction 1690, result has 7.9 percent of original size [2019-09-07 11:51:30,453 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 186 treesize of output 218 [2019-09-07 11:51:30,454 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:30,499 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:30,500 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:30,500 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:189, output treesize:185 [2019-09-07 11:51:31,223 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 67 [2019-09-07 11:51:31,224 INFO L341 Elim1Store]: treesize reduction 1860, result has 7.2 percent of original size [2019-09-07 11:51:31,224 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 197 treesize of output 221 [2019-09-07 11:51:31,225 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:31,264 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:31,264 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:31,265 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:183 [2019-09-07 11:51:32,266 WARN L188 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 71 [2019-09-07 11:51:32,266 INFO L341 Elim1Store]: treesize reduction 1948, result has 7.4 percent of original size [2019-09-07 11:51:32,267 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 200 treesize of output 235 [2019-09-07 11:51:32,268 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:32,317 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:32,318 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:32,318 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:203, output treesize:199 [2019-09-07 11:51:33,208 WARN L188 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 72 [2019-09-07 11:51:33,208 INFO L341 Elim1Store]: treesize reduction 2132, result has 6.9 percent of original size [2019-09-07 11:51:33,209 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 104 case distinctions, treesize of input 211 treesize of output 238 [2019-09-07 11:51:33,210 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:33,281 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:33,282 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:33,282 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:214, output treesize:197 [2019-09-07 11:51:34,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,289 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:34,313 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:34,314 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 211 treesize of output 238 [2019-09-07 11:51:34,315 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:34,364 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:34,365 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:51:34,366 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:220, output treesize:203 [2019-09-07 11:51:46,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,794 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,795 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,813 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,815 INFO L172 IndexEqualityManager]: detected equality via solver [2019-09-07 11:51:46,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,819 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,827 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,839 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,840 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,845 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,863 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,870 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,874 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,876 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:51:46,880 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:46,880 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 188 treesize of output 75 [2019-09-07 11:51:46,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:51:46,887 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:51:46,888 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:51:46,888 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:197, output treesize:7 [2019-09-07 11:51:46,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:51:47,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 340 proven. 438 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2019-09-07 11:51:47,826 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:51:47,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 65] total 100 [2019-09-07 11:51:47,827 INFO L454 AbstractCegarLoop]: Interpolant automaton has 100 states [2019-09-07 11:51:47,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2019-09-07 11:51:47,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1159, Invalid=8741, Unknown=0, NotChecked=0, Total=9900 [2019-09-07 11:51:47,828 INFO L87 Difference]: Start difference. First operand 1302 states and 1574 transitions. Second operand 100 states. [2019-09-07 11:51:49,888 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-09-07 11:51:50,247 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2019-09-07 11:51:50,924 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2019-09-07 11:51:51,391 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-07 11:51:52,052 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 82 [2019-09-07 11:51:52,433 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 89 [2019-09-07 11:51:53,158 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 85 [2019-09-07 11:51:53,462 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 88 [2019-09-07 11:51:53,941 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-07 11:51:54,213 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-07 11:51:54,509 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 68 [2019-09-07 11:51:54,973 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2019-09-07 11:51:55,350 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 103 [2019-09-07 11:51:55,752 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 94 [2019-09-07 11:51:56,114 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2019-09-07 11:51:56,556 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 97 [2019-09-07 11:51:56,852 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 102 [2019-09-07 11:51:57,145 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 93 [2019-09-07 11:51:57,681 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2019-09-07 11:51:57,961 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2019-09-07 11:51:58,241 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-07 11:51:58,569 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2019-09-07 11:51:59,064 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 105 [2019-09-07 11:51:59,499 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 116 [2019-09-07 11:51:59,910 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2019-09-07 11:52:00,378 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 99 [2019-09-07 11:52:00,765 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2019-09-07 11:52:01,244 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 108 [2019-09-07 11:52:01,588 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2019-09-07 11:52:01,891 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 106 [2019-09-07 11:52:02,198 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2019-09-07 11:52:02,826 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 123 [2019-09-07 11:52:03,169 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 114 [2019-09-07 11:52:03,468 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 106 [2019-09-07 11:52:03,774 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-07 11:52:04,144 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 78 [2019-09-07 11:52:04,693 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 116 [2019-09-07 11:52:05,199 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 129 [2019-09-07 11:52:05,700 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 120 [2019-09-07 11:52:06,140 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 112 [2019-09-07 11:52:06,620 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 103 [2019-09-07 11:52:07,074 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2019-09-07 11:52:07,654 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2019-09-07 11:52:08,079 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2019-09-07 11:52:08,437 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 119 [2019-09-07 11:52:08,755 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 111 [2019-09-07 11:52:09,103 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 102 [2019-09-07 11:52:09,309 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-07 11:52:09,786 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2019-09-07 11:52:10,165 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 127 [2019-09-07 11:52:10,503 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 119 [2019-09-07 11:52:10,813 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2019-09-07 11:52:11,159 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2019-09-07 11:52:11,538 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2019-09-07 11:52:11,733 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-07 11:52:12,160 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2019-09-07 11:52:12,714 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 142 [2019-09-07 11:52:13,255 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 133 [2019-09-07 11:52:13,763 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 125 [2019-09-07 11:52:14,245 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 116 [2019-09-07 11:52:14,761 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 108 [2019-09-07 11:52:15,245 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2019-09-07 11:52:15,829 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 130 [2019-09-07 11:52:16,294 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 141 [2019-09-07 11:52:16,732 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 132 [2019-09-07 11:52:17,115 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2019-09-07 11:52:17,454 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2019-09-07 11:52:17,804 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 107 [2019-09-07 11:52:18,033 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-07 11:52:18,565 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 149 [2019-09-07 11:52:19,016 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 140 [2019-09-07 11:52:19,414 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 132 [2019-09-07 11:52:19,786 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2019-09-07 11:52:20,115 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 116 [2019-09-07 11:52:20,455 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-07 11:52:20,878 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 90 [2019-09-07 11:52:21,110 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-07 11:52:21,591 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 138 [2019-09-07 11:52:22,212 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 155 [2019-09-07 11:52:22,833 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 146 [2019-09-07 11:52:23,402 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 138 [2019-09-07 11:52:23,956 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 130 [2019-09-07 11:52:24,480 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 122 [2019-09-07 11:52:25,024 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 114 [2019-09-07 11:52:25,253 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-07 11:52:25,531 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 89 [2019-09-07 11:52:26,184 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 141 [2019-09-07 11:52:26,688 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 154 [2019-09-07 11:52:27,162 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 145 [2019-09-07 11:52:27,598 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 137 [2019-09-07 11:52:28,006 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 129 [2019-09-07 11:52:28,368 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 121 [2019-09-07 11:52:28,742 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 113 [2019-09-07 11:52:28,984 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-09-07 11:52:29,572 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 162 [2019-09-07 11:52:30,059 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2019-09-07 11:52:30,507 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 145 [2019-09-07 11:52:30,908 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 137 [2019-09-07 11:52:31,278 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2019-09-07 11:52:31,618 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2019-09-07 11:52:31,972 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 113 [2019-09-07 11:52:32,408 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 95 [2019-09-07 11:52:32,645 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-07 11:52:33,166 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 149 [2019-09-07 11:52:33,871 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 168 [2019-09-07 11:52:34,551 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 159 [2019-09-07 11:52:35,190 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 151 [2019-09-07 11:52:35,806 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2019-09-07 11:52:36,395 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 135 [2019-09-07 11:52:36,954 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 127 [2019-09-07 11:52:37,146 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-07 11:52:37,555 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 119 [2019-09-07 11:52:37,807 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-07 11:52:38,099 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 94 [2019-09-07 11:52:38,807 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 152 [2019-09-07 11:52:39,385 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2019-09-07 11:52:39,930 WARN L188 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 158 [2019-09-07 11:52:40,423 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 150 [2019-09-07 11:52:40,869 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 142 [2019-09-07 11:52:41,282 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 134 [2019-09-07 11:52:41,653 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 126 [2019-09-07 11:52:42,047 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 118 [2019-09-07 11:52:42,300 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-07 11:52:42,935 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 177 [2019-09-07 11:52:43,483 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 169 [2019-09-07 11:52:44,029 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 161 [2019-09-07 11:52:44,505 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 153 [2019-09-07 11:52:44,947 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 145 [2019-09-07 11:52:45,335 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 137 [2019-09-07 11:52:45,687 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 129 [2019-09-07 11:52:46,073 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2019-09-07 11:52:46,532 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 103 [2019-09-07 11:52:46,790 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-07 11:52:47,381 WARN L188 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 161 [2019-09-07 11:52:48,164 WARN L188 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2019-09-07 11:52:48,974 WARN L188 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2019-09-07 11:52:49,739 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 167 [2019-09-07 11:52:50,485 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2019-09-07 11:52:51,165 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 151 [2019-09-07 11:52:51,834 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 143 [2019-09-07 11:52:52,061 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-07 11:52:52,505 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 135 [2019-09-07 11:52:52,740 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-07 11:52:53,208 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 127 [2019-09-07 11:52:53,504 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-07 11:52:53,826 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 102 [2019-09-07 11:52:54,616 WARN L188 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 164 [2019-09-07 11:52:55,281 WARN L188 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 182 [2019-09-07 11:52:55,908 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2019-09-07 11:52:56,494 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 166 [2019-09-07 11:52:57,030 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 158 [2019-09-07 11:52:57,520 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 150 [2019-09-07 11:52:57,981 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 142 [2019-09-07 11:52:58,394 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 134 [2019-09-07 11:52:58,870 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 126 [2019-09-07 11:52:59,168 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2019-09-07 11:52:59,884 WARN L188 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 193 [2019-09-07 11:53:00,519 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 185 [2019-09-07 11:53:01,118 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 177 [2019-09-07 11:53:01,671 WARN L188 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 169 [2019-09-07 11:53:02,355 WARN L188 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 161 [2019-09-07 11:53:02,845 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 153 [2019-09-07 11:53:03,270 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 145 [2019-09-07 11:53:03,656 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 137 [2019-09-07 11:53:04,072 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 129 [2019-09-07 11:53:04,543 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-07 11:53:04,797 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-07 11:53:05,603 WARN L188 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 188 [2019-09-07 11:53:06,343 WARN L188 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 180 [2019-09-07 11:53:07,061 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 172 [2019-09-07 11:53:07,743 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2019-09-07 11:53:08,419 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 156 [2019-09-07 11:53:09,065 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 148 [2019-09-07 11:53:09,685 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 140 [2019-09-07 11:53:10,261 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 132 [2019-09-07 11:53:10,879 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2019-09-07 11:53:11,137 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-07 11:53:11,421 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-07 11:53:12,236 WARN L188 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 187 [2019-09-07 11:53:12,863 WARN L188 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 179 [2019-09-07 11:53:13,433 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 171 [2019-09-07 11:53:13,971 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 163 [2019-09-07 11:53:14,471 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 155 [2019-09-07 11:53:14,932 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 147 [2019-09-07 11:53:15,339 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2019-09-07 11:53:15,706 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2019-09-07 11:53:16,108 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-07 11:53:16,362 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-07 11:53:16,762 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 121 [2019-09-07 11:53:17,163 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-07 11:53:17,421 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-07 11:53:17,795 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 113 [2019-09-07 11:53:18,058 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-07 11:53:18,334 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 100 [2019-09-07 11:53:18,882 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 112 [2019-09-07 11:53:19,389 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2019-09-07 11:53:20,224 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-09-07 11:53:20,890 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 104 [2019-09-07 11:53:21,395 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 133 [2019-09-07 11:53:21,895 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2019-09-07 11:53:22,388 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 132 [2019-09-07 11:53:23,375 WARN L188 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 166 [2019-09-07 11:53:23,861 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-07 11:53:24,519 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 153 [2019-09-07 11:53:25,354 WARN L188 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 188 [2019-09-07 11:53:26,292 WARN L188 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 190 [2019-09-07 11:53:27,138 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 188 [2019-09-07 11:53:27,879 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 183 [2019-09-07 11:53:28,557 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 182 [2019-09-07 11:53:29,187 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 180 [2019-09-07 11:53:29,894 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 175 [2019-09-07 11:53:30,713 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 174 [2019-09-07 11:53:31,454 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 172 [2019-09-07 11:53:32,116 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 167 [2019-09-07 11:53:32,731 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 166 [2019-09-07 11:53:33,278 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 164 [2019-09-07 11:53:33,893 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 159 [2019-09-07 11:53:34,624 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 158 [2019-09-07 11:53:35,281 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 156 [2019-09-07 11:53:35,861 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 151 [2019-09-07 11:53:36,383 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2019-09-07 11:53:36,831 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 148 [2019-09-07 11:53:37,364 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 143 [2019-09-07 11:53:38,008 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 142 [2019-09-07 11:53:38,570 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 140 [2019-09-07 11:53:39,080 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2019-09-07 11:53:39,497 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-07 11:53:39,852 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-07 11:53:40,301 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2019-09-07 11:53:40,867 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2019-09-07 11:53:41,353 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-07 11:53:41,734 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2019-09-07 11:53:42,054 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 118 [2019-09-07 11:53:42,325 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2019-09-07 11:53:42,706 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-09-07 11:53:43,286 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2019-09-07 11:53:51,308 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 157 [2019-09-07 11:53:52,103 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 159 [2019-09-07 11:53:52,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:53:52,123 INFO L93 Difference]: Finished difference Result 1879 states and 2251 transitions. [2019-09-07 11:53:52,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 416 states. [2019-09-07 11:53:52,124 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 174 [2019-09-07 11:53:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:53:52,131 INFO L225 Difference]: With dead ends: 1879 [2019-09-07 11:53:52,131 INFO L226 Difference]: Without dead ends: 1816 [2019-09-07 11:53:52,140 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 88 SyntacticMatches, 49 SemanticMatches, 490 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106178 ImplicationChecksByTransitivity, 127.4s TimeCoverageRelationStatistics Valid=16069, Invalid=225503, Unknown=0, NotChecked=0, Total=241572 [2019-09-07 11:53:52,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2019-09-07 11:53:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1334. [2019-09-07 11:53:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2019-09-07 11:53:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1612 transitions. [2019-09-07 11:53:52,685 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1612 transitions. Word has length 174 [2019-09-07 11:53:52,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:53:52,685 INFO L475 AbstractCegarLoop]: Abstraction has 1334 states and 1612 transitions. [2019-09-07 11:53:52,685 INFO L476 AbstractCegarLoop]: Interpolant automaton has 100 states. [2019-09-07 11:53:52,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1612 transitions. [2019-09-07 11:53:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-09-07 11:53:52,688 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:53:52,688 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:53:52,688 INFO L418 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:53:52,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:53:52,689 INFO L82 PathProgramCache]: Analyzing trace with hash -381929645, now seen corresponding path program 16 times [2019-09-07 11:53:52,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:53:52,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:53:52,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:53:52,690 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:53:52,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:53:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:53:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 379 proven. 476 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-09-07 11:53:56,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:53:56,368 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:53:56,379 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-07 11:53:56,443 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-07 11:53:56,444 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:53:56,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 99 conjunts are in the unsatisfiable core [2019-09-07 11:53:56,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:53:56,454 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-09-07 11:53:56,454 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,456 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:56,456 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,457 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-09-07 11:53:56,568 INFO L341 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2019-09-07 11:53:56,568 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2019-09-07 11:53:56,569 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,574 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:56,574 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,575 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2019-09-07 11:53:56,655 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-09-07 11:53:56,656 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2019-09-07 11:53:56,656 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,663 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:56,664 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,664 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2019-09-07 11:53:56,823 INFO L341 Elim1Store]: treesize reduction 178, result has 16.8 percent of original size [2019-09-07 11:53:56,824 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 65 [2019-09-07 11:53:56,825 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:56,837 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,837 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:56 [2019-09-07 11:53:56,945 INFO L341 Elim1Store]: treesize reduction 222, result has 14.3 percent of original size [2019-09-07 11:53:56,946 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 68 [2019-09-07 11:53:56,946 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,955 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:56,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:56,956 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:54 [2019-09-07 11:53:57,154 INFO L341 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2019-09-07 11:53:57,155 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 82 [2019-09-07 11:53:57,155 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,168 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:57,169 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,169 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-09-07 11:53:57,309 INFO L341 Elim1Store]: treesize reduction 332, result has 12.9 percent of original size [2019-09-07 11:53:57,310 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 85 treesize of output 85 [2019-09-07 11:53:57,311 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,325 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:57,326 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,326 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:68 [2019-09-07 11:53:57,566 INFO L341 Elim1Store]: treesize reduction 388, result has 13.4 percent of original size [2019-09-07 11:53:57,567 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 99 [2019-09-07 11:53:57,567 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:57,584 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,585 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:84 [2019-09-07 11:53:57,777 INFO L341 Elim1Store]: treesize reduction 460, result has 11.7 percent of original size [2019-09-07 11:53:57,778 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 99 treesize of output 102 [2019-09-07 11:53:57,778 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,793 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:57,794 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:57,794 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:82 [2019-09-07 11:53:58,108 INFO L341 Elim1Store]: treesize reduction 520, result has 12.2 percent of original size [2019-09-07 11:53:58,108 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 102 treesize of output 116 [2019-09-07 11:53:58,109 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:58,126 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:58,127 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:58,127 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:98 [2019-09-07 11:53:58,354 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 37 [2019-09-07 11:53:58,355 INFO L341 Elim1Store]: treesize reduction 606, result has 10.8 percent of original size [2019-09-07 11:53:58,355 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 113 treesize of output 119 [2019-09-07 11:53:58,356 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:58,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:58,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:58,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:113, output treesize:96 [2019-09-07 11:53:58,740 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 41 [2019-09-07 11:53:58,741 INFO L341 Elim1Store]: treesize reduction 670, result has 11.1 percent of original size [2019-09-07 11:53:58,741 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 133 [2019-09-07 11:53:58,742 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:58,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:58,765 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:58,765 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:112 [2019-09-07 11:53:59,059 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2019-09-07 11:53:59,060 INFO L341 Elim1Store]: treesize reduction 770, result has 9.9 percent of original size [2019-09-07 11:53:59,060 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 127 treesize of output 136 [2019-09-07 11:53:59,061 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:59,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:59,085 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:59,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:127, output treesize:110 [2019-09-07 11:53:59,518 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 46 [2019-09-07 11:53:59,518 INFO L341 Elim1Store]: treesize reduction 838, result has 10.3 percent of original size [2019-09-07 11:53:59,519 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 130 treesize of output 150 [2019-09-07 11:53:59,520 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:59,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:59,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:59,548 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:126 [2019-09-07 11:53:59,916 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 47 [2019-09-07 11:53:59,917 INFO L341 Elim1Store]: treesize reduction 952, result has 9.2 percent of original size [2019-09-07 11:53:59,917 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 141 treesize of output 153 [2019-09-07 11:53:59,918 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:53:59,977 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:53:59,978 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:53:59,978 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:124 [2019-09-07 11:54:00,546 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 51 [2019-09-07 11:54:00,547 INFO L341 Elim1Store]: treesize reduction 1024, result has 9.5 percent of original size [2019-09-07 11:54:00,547 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 144 treesize of output 167 [2019-09-07 11:54:00,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:00,578 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:00,578 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:00,579 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:140 [2019-09-07 11:54:01,065 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 52 [2019-09-07 11:54:01,066 INFO L341 Elim1Store]: treesize reduction 1152, result has 8.6 percent of original size [2019-09-07 11:54:01,066 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 155 treesize of output 170 [2019-09-07 11:54:01,067 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:01,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:01,095 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:01,095 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:138 [2019-09-07 11:54:01,707 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 56 [2019-09-07 11:54:01,707 INFO L341 Elim1Store]: treesize reduction 1228, result has 8.9 percent of original size [2019-09-07 11:54:01,708 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 158 treesize of output 184 [2019-09-07 11:54:01,709 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:01,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:01,744 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:01,744 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:158, output treesize:154 [2019-09-07 11:54:02,280 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 57 [2019-09-07 11:54:02,281 INFO L341 Elim1Store]: treesize reduction 1370, result has 8.1 percent of original size [2019-09-07 11:54:02,281 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 65 case distinctions, treesize of input 169 treesize of output 187 [2019-09-07 11:54:02,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:02,314 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:02,315 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:02,315 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:169, output treesize:152 [2019-09-07 11:54:03,076 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 61 [2019-09-07 11:54:03,077 INFO L341 Elim1Store]: treesize reduction 1450, result has 8.3 percent of original size [2019-09-07 11:54:03,077 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 172 treesize of output 201 [2019-09-07 11:54:03,078 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:03,119 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:03,119 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:03,120 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:168 [2019-09-07 11:54:03,752 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 62 [2019-09-07 11:54:03,753 INFO L341 Elim1Store]: treesize reduction 1606, result has 7.6 percent of original size [2019-09-07 11:54:03,753 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 77 case distinctions, treesize of input 183 treesize of output 204 [2019-09-07 11:54:03,754 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:03,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:03,793 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:03,793 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:183, output treesize:166 [2019-09-07 11:54:04,684 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 66 [2019-09-07 11:54:04,685 INFO L341 Elim1Store]: treesize reduction 1690, result has 7.9 percent of original size [2019-09-07 11:54:04,685 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 186 treesize of output 218 [2019-09-07 11:54:04,686 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:04,728 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:04,729 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:04,729 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:186, output treesize:182 [2019-09-07 11:54:05,545 WARN L188 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 67 [2019-09-07 11:54:05,545 INFO L341 Elim1Store]: treesize reduction 1860, result has 7.2 percent of original size [2019-09-07 11:54:05,546 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 197 treesize of output 221 [2019-09-07 11:54:05,548 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:05,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:05,610 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:05,611 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:197, output treesize:180 [2019-09-07 11:54:06,631 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 71 [2019-09-07 11:54:06,632 INFO L341 Elim1Store]: treesize reduction 1948, result has 7.4 percent of original size [2019-09-07 11:54:06,632 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 200 treesize of output 235 [2019-09-07 11:54:06,634 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:06,678 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:06,679 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:06,679 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:196 [2019-09-07 11:54:07,774 WARN L188 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 72 [2019-09-07 11:54:07,775 INFO L341 Elim1Store]: treesize reduction 2132, result has 6.9 percent of original size [2019-09-07 11:54:07,775 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 104 case distinctions, treesize of input 211 treesize of output 238 [2019-09-07 11:54:07,776 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:07,827 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:07,827 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:07,827 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:211, output treesize:194 [2019-09-07 11:54:09,058 WARN L188 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 76 [2019-09-07 11:54:09,059 INFO L341 Elim1Store]: treesize reduction 2224, result has 7.0 percent of original size [2019-09-07 11:54:09,059 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 214 treesize of output 252 [2019-09-07 11:54:09,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:09,113 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:09,113 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:09,113 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:217, output treesize:213 [2019-09-07 11:54:10,258 WARN L188 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 77 [2019-09-07 11:54:10,258 INFO L341 Elim1Store]: treesize reduction 2422, result has 6.5 percent of original size [2019-09-07 11:54:10,259 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 119 case distinctions, treesize of input 225 treesize of output 255 [2019-09-07 11:54:10,260 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:10,318 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:54:10,318 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:10,319 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:228, output treesize:211 [2019-09-07 11:54:12,797 WARN L188 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 579 DAG size of output: 159 [2019-09-07 11:54:12,798 INFO L341 Elim1Store]: treesize reduction 1876, result has 28.9 percent of original size [2019-09-07 11:54:12,798 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 120 case distinctions, treesize of input 223 treesize of output 846 [2019-09-07 11:54:12,801 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:13,113 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 94 [2019-09-07 11:54:13,114 INFO L567 ElimStorePlain]: treesize reduction 596, result has 26.6 percent of original size [2019-09-07 11:54:13,115 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 11:54:13,115 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:234, output treesize:216 [2019-09-07 11:54:32,150 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 533 DAG size of output: 169 [2019-09-07 11:54:32,151 INFO L341 Elim1Store]: treesize reduction 1625, result has 23.2 percent of original size [2019-09-07 11:54:32,151 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 216 treesize of output 565 [2019-09-07 11:54:32,155 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,158 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,159 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,161 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:32,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:54:32,490 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 15 [2019-09-07 11:54:32,490 INFO L567 ElimStorePlain]: treesize reduction 2696, result has 0.7 percent of original size [2019-09-07 11:54:32,491 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:54:32,491 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:230, output treesize:7 [2019-09-07 11:54:32,619 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 11:54:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 368 proven. 526 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2019-09-07 11:54:33,627 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:54:33,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 66] total 104 [2019-09-07 11:54:33,628 INFO L454 AbstractCegarLoop]: Interpolant automaton has 104 states [2019-09-07 11:54:33,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2019-09-07 11:54:33,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1045, Invalid=9667, Unknown=0, NotChecked=0, Total=10712 [2019-09-07 11:54:33,630 INFO L87 Difference]: Start difference. First operand 1334 states and 1612 transitions. Second operand 104 states. [2019-09-07 11:54:35,750 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2019-09-07 11:54:36,072 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-09-07 11:54:36,438 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2019-09-07 11:54:36,938 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-07 11:54:37,203 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-09-07 11:54:37,563 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2019-09-07 11:54:37,913 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-07 11:54:38,236 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-07 11:54:38,618 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2019-09-07 11:54:38,897 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2019-09-07 11:54:39,400 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-07 11:54:39,663 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-07 11:54:40,334 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2019-09-07 11:54:40,716 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-07 11:54:41,116 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-07 11:54:41,467 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-07 11:54:41,906 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 86 [2019-09-07 11:54:42,220 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-07 11:54:42,517 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-07 11:54:43,106 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-07 11:54:43,396 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-07 11:54:43,673 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-07 11:54:43,964 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-07 11:54:44,447 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2019-09-07 11:54:44,933 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-09-07 11:54:45,354 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-07 11:54:45,794 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-07 11:54:46,176 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-07 11:54:46,654 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 94 [2019-09-07 11:54:47,011 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 103 [2019-09-07 11:54:47,317 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2019-09-07 11:54:47,616 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2019-09-07 11:54:48,245 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2019-09-07 11:54:48,591 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2019-09-07 11:54:48,895 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2019-09-07 11:54:49,190 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-07 11:54:49,518 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-07 11:54:50,070 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 99 [2019-09-07 11:54:50,571 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 114 [2019-09-07 11:54:51,051 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 107 [2019-09-07 11:54:51,506 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2019-09-07 11:54:51,967 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-07 11:54:52,390 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-07 11:54:52,925 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2019-09-07 11:54:53,349 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 113 [2019-09-07 11:54:53,757 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 106 [2019-09-07 11:54:54,081 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2019-09-07 11:54:54,412 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-09-07 11:54:54,641 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-07 11:54:55,134 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2019-09-07 11:54:55,524 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 114 [2019-09-07 11:54:55,897 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2019-09-07 11:54:56,222 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2019-09-07 11:54:56,556 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-07 11:54:56,942 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-07 11:54:57,129 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-07 11:54:57,556 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 107 [2019-09-07 11:54:58,118 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2019-09-07 11:54:58,666 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 117 [2019-09-07 11:54:59,183 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 111 [2019-09-07 11:54:59,668 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 106 [2019-09-07 11:55:00,175 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-07 11:55:00,630 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-07 11:55:01,225 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2019-09-07 11:55:01,698 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 123 [2019-09-07 11:55:02,112 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2019-09-07 11:55:02,489 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2019-09-07 11:55:02,877 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-09-07 11:55:03,244 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-07 11:55:03,491 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-07 11:55:04,056 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 131 [2019-09-07 11:55:04,514 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2019-09-07 11:55:04,944 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2019-09-07 11:55:05,334 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 113 [2019-09-07 11:55:05,669 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2019-09-07 11:55:06,020 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2019-09-07 11:55:06,406 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-07 11:55:06,607 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-07 11:55:07,072 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 115 [2019-09-07 11:55:07,708 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 134 [2019-09-07 11:55:08,320 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 127 [2019-09-07 11:55:08,903 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2019-09-07 11:55:09,451 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 116 [2019-09-07 11:55:09,974 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2019-09-07 11:55:10,532 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2019-09-07 11:55:10,744 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-07 11:55:11,041 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-07 11:55:11,699 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 118 [2019-09-07 11:55:12,270 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 133 [2019-09-07 11:55:12,732 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2019-09-07 11:55:13,177 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 120 [2019-09-07 11:55:13,566 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 115 [2019-09-07 11:55:13,927 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2019-09-07 11:55:14,336 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2019-09-07 11:55:14,624 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-07 11:55:15,235 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 143 [2019-09-07 11:55:15,756 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 136 [2019-09-07 11:55:16,236 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 131 [2019-09-07 11:55:16,671 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 126 [2019-09-07 11:55:17,073 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2019-09-07 11:55:17,437 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 116 [2019-09-07 11:55:17,804 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 111 [2019-09-07 11:55:18,243 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-07 11:55:18,474 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-07 11:55:18,998 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2019-09-07 11:55:19,683 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2019-09-07 11:55:20,402 WARN L188 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2019-09-07 11:55:21,047 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 134 [2019-09-07 11:55:21,732 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 129 [2019-09-07 11:55:22,341 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 124 [2019-09-07 11:55:22,928 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2019-09-07 11:55:23,137 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-07 11:55:23,546 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2019-09-07 11:55:23,779 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-07 11:55:24,107 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-07 11:55:24,855 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 126 [2019-09-07 11:55:25,431 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 145 [2019-09-07 11:55:25,958 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2019-09-07 11:55:26,451 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 133 [2019-09-07 11:55:26,908 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2019-09-07 11:55:27,321 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 123 [2019-09-07 11:55:27,697 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 118 [2019-09-07 11:55:28,113 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 113 [2019-09-07 11:55:28,424 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-07 11:55:29,080 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2019-09-07 11:55:29,654 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2019-09-07 11:55:30,206 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2019-09-07 11:55:30,702 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 136 [2019-09-07 11:55:31,149 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 131 [2019-09-07 11:55:31,615 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 126 [2019-09-07 11:55:32,015 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 121 [2019-09-07 11:55:32,406 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2019-09-07 11:55:32,867 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-07 11:55:33,130 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-07 11:55:33,705 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 131 [2019-09-07 11:55:34,458 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2019-09-07 11:55:35,210 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2019-09-07 11:55:35,929 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 144 [2019-09-07 11:55:36,620 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 139 [2019-09-07 11:55:37,288 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 134 [2019-09-07 11:55:37,924 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 129 [2019-09-07 11:55:38,137 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-07 11:55:38,559 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 124 [2019-09-07 11:55:38,785 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-07 11:55:39,241 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 119 [2019-09-07 11:55:39,518 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-07 11:55:39,874 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-07 11:55:40,649 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2019-09-07 11:55:41,323 WARN L188 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2019-09-07 11:55:41,916 WARN L188 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 148 [2019-09-07 11:55:42,476 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 143 [2019-09-07 11:55:42,993 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 138 [2019-09-07 11:55:43,468 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 133 [2019-09-07 11:55:43,910 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 128 [2019-09-07 11:55:44,328 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 123 [2019-09-07 11:55:44,750 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2019-09-07 11:55:45,084 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2019-09-07 11:55:45,821 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 163 [2019-09-07 11:55:46,453 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 157 [2019-09-07 11:55:47,050 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 152 [2019-09-07 11:55:47,611 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 147 [2019-09-07 11:55:48,131 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 142 [2019-09-07 11:55:48,603 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 137 [2019-09-07 11:55:49,064 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 132 [2019-09-07 11:55:49,471 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 127 [2019-09-07 11:55:49,892 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2019-09-07 11:55:50,402 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2019-09-07 11:55:50,698 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-07 11:55:51,537 WARN L188 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 140 [2019-09-07 11:55:52,381 WARN L188 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 166 [2019-09-07 11:55:53,180 WARN L188 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 160 [2019-09-07 11:55:53,974 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 155 [2019-09-07 11:55:54,738 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 150 [2019-09-07 11:55:55,488 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 145 [2019-09-07 11:55:56,219 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2019-09-07 11:55:56,447 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-07 11:55:56,920 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 135 [2019-09-07 11:55:57,168 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-07 11:55:57,601 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 130 [2019-09-07 11:55:57,861 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-07 11:55:58,324 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2019-09-07 11:55:58,623 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-07 11:55:58,999 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2019-09-07 11:55:59,847 WARN L188 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 143 [2019-09-07 11:56:00,534 WARN L188 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 165 [2019-09-07 11:56:01,184 WARN L188 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 159 [2019-09-07 11:56:01,800 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 154 [2019-09-07 11:56:02,387 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 149 [2019-09-07 11:56:02,926 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 144 [2019-09-07 11:56:03,423 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 139 [2019-09-07 11:56:03,883 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 134 [2019-09-07 11:56:04,296 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2019-09-07 11:56:04,743 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 124 [2019-09-07 11:56:05,096 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2019-09-07 11:56:05,902 WARN L188 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 178 [2019-09-07 11:56:06,613 WARN L188 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 172 [2019-09-07 11:56:07,290 WARN L188 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 167 [2019-09-07 11:56:07,915 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 162 [2019-09-07 11:56:08,522 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 157 [2019-09-07 11:56:09,093 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 152 [2019-09-07 11:56:09,628 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 147 [2019-09-07 11:56:10,138 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2019-09-07 11:56:10,594 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 137 [2019-09-07 11:56:11,085 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2019-09-07 11:56:11,401 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2019-09-07 11:56:12,263 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 178 [2019-09-07 11:56:12,979 WARN L188 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 172 [2019-09-07 11:56:13,645 WARN L188 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 167 [2019-09-07 11:56:14,250 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 162 [2019-09-07 11:56:14,807 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 157 [2019-09-07 11:56:15,347 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 152 [2019-09-07 11:56:15,860 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 147 [2019-09-07 11:56:16,315 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2019-09-07 11:56:16,786 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 137 [2019-09-07 11:56:17,231 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2019-09-07 11:56:17,607 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 102 [2019-09-07 11:56:17,964 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-07 11:56:18,843 WARN L188 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 170 [2019-09-07 11:56:19,709 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 164 [2019-09-07 11:56:20,547 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 159 [2019-09-07 11:56:21,357 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 154 [2019-09-07 11:56:22,180 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 149 [2019-09-07 11:56:22,440 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-07 11:56:22,961 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2019-09-07 11:56:23,239 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75