java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memsafety-ext/dll_extends_pointer_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 12:56:03,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 12:56:03,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 12:56:03,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 12:56:03,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 12:56:03,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 12:56:03,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 12:56:03,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 12:56:03,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 12:56:03,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 12:56:03,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 12:56:03,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 12:56:03,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 12:56:03,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 12:56:03,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 12:56:03,857 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 12:56:03,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 12:56:03,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 12:56:03,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 12:56:03,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 12:56:03,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 12:56:03,863 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 12:56:03,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 12:56:03,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 12:56:03,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 12:56:03,866 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 12:56:03,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 12:56:03,867 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 12:56:03,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 12:56:03,867 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 12:56:03,868 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 12:56:03,868 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-02-04 12:56:03,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 12:56:03,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 12:56:03,878 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 12:56:03,879 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 12:56:03,879 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 12:56:03,879 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 12:56:03,879 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 12:56:03,879 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 12:56:03,879 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 12:56:03,879 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 12:56:03,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 12:56:03,880 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 12:56:03,880 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 12:56:03,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 12:56:03,880 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 12:56:03,880 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 12:56:03,880 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 12:56:03,881 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 12:56:03,881 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 12:56:03,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 12:56:03,881 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 12:56:03,881 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 12:56:03,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 12:56:03,881 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-02-04 12:56:03,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 12:56:03,922 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 12:56:03,925 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 12:56:03,927 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 12:56:03,927 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 12:56:03,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/dll_extends_pointer_true-valid-memsafety.i [2018-02-04 12:56:04,060 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 12:56:04,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 12:56:04,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 12:56:04,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 12:56:04,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 12:56:04,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7495b65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04, skipping insertion in model container [2018-02-04 12:56:04,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,085 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 12:56:04,117 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 12:56:04,204 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 12:56:04,215 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 12:56:04,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04 WrapperNode [2018-02-04 12:56:04,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 12:56:04,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 12:56:04,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 12:56:04,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 12:56:04,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... [2018-02-04 12:56:04,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 12:56:04,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 12:56:04,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 12:56:04,244 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 12:56:04,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 12:56:04,280 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 12:56:04,280 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 12:56:04,280 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 12:56:04,280 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 12:56:04,280 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 12:56:04,280 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 12:56:04,280 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 12:56:04,281 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 12:56:04,281 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 12:56:04,281 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 12:56:04,281 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 12:56:04,281 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 12:56:04,281 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 12:56:04,281 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 12:56:04,504 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 12:56:04,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 12:56:04 BoogieIcfgContainer [2018-02-04 12:56:04,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 12:56:04,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 12:56:04,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 12:56:04,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 12:56:04,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 12:56:04" (1/3) ... [2018-02-04 12:56:04,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15422ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 12:56:04, skipping insertion in model container [2018-02-04 12:56:04,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:56:04" (2/3) ... [2018-02-04 12:56:04,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15422ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 12:56:04, skipping insertion in model container [2018-02-04 12:56:04,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 12:56:04" (3/3) ... [2018-02-04 12:56:04,510 INFO L107 eAbstractionObserver]: Analyzing ICFG dll_extends_pointer_true-valid-memsafety.i [2018-02-04 12:56:04,516 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 12:56:04,520 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-02-04 12:56:04,543 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 12:56:04,543 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 12:56:04,543 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 12:56:04,543 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 12:56:04,543 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 12:56:04,543 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 12:56:04,544 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 12:56:04,544 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 12:56:04,544 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 12:56:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-02-04 12:56:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 12:56:04,562 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:04,563 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:04,563 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:04,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1414487999, now seen corresponding path program 1 times [2018-02-04 12:56:04,567 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:04,567 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:04,597 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:04,597 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:04,597 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:04,629 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:04,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:04,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 12:56:04,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 12:56:04,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 12:56:04,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 12:56:04,695 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states. [2018-02-04 12:56:04,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:04,875 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-02-04 12:56:04,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 12:56:04,876 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-02-04 12:56:04,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:04,884 INFO L225 Difference]: With dead ends: 82 [2018-02-04 12:56:04,884 INFO L226 Difference]: Without dead ends: 78 [2018-02-04 12:56:04,886 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:04,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-02-04 12:56:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 57. [2018-02-04 12:56:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-02-04 12:56:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-02-04 12:56:04,922 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 9 [2018-02-04 12:56:04,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:04,923 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-02-04 12:56:04,923 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 12:56:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-02-04 12:56:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 12:56:04,923 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:04,923 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:04,923 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:04,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1414487998, now seen corresponding path program 1 times [2018-02-04 12:56:04,924 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:04,924 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:04,925 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:04,925 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:04,925 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:04,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:05,007 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:05,007 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 12:56:05,008 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 12:56:05,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 12:56:05,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 12:56:05,009 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 4 states. [2018-02-04 12:56:05,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:05,108 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2018-02-04 12:56:05,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 12:56:05,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-02-04 12:56:05,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:05,110 INFO L225 Difference]: With dead ends: 104 [2018-02-04 12:56:05,110 INFO L226 Difference]: Without dead ends: 104 [2018-02-04 12:56:05,111 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-02-04 12:56:05,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 54. [2018-02-04 12:56:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-02-04 12:56:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-02-04 12:56:05,116 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 9 [2018-02-04 12:56:05,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:05,116 INFO L432 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-02-04 12:56:05,116 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 12:56:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-02-04 12:56:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 12:56:05,117 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:05,117 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:05,117 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:05,117 INFO L82 PathProgramCache]: Analyzing trace with hash 689004913, now seen corresponding path program 1 times [2018-02-04 12:56:05,117 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:05,118 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:05,118 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,119 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:05,119 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:05,133 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:05,165 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:05,166 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 12:56:05,166 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 12:56:05,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 12:56:05,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 12:56:05,167 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-02-04 12:56:05,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:05,247 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-02-04 12:56:05,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 12:56:05,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 12:56:05,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:05,248 INFO L225 Difference]: With dead ends: 64 [2018-02-04 12:56:05,249 INFO L226 Difference]: Without dead ends: 64 [2018-02-04 12:56:05,249 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-02-04 12:56:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2018-02-04 12:56:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-02-04 12:56:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2018-02-04 12:56:05,253 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 18 [2018-02-04 12:56:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:05,254 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2018-02-04 12:56:05,254 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 12:56:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-02-04 12:56:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 12:56:05,254 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:05,255 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:05,255 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:05,255 INFO L82 PathProgramCache]: Analyzing trace with hash 689004914, now seen corresponding path program 1 times [2018-02-04 12:56:05,255 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:05,255 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:05,256 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,256 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:05,256 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:05,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:05,326 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:05,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 12:56:05,326 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 12:56:05,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 12:56:05,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:05,326 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand 5 states. [2018-02-04 12:56:05,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:05,447 INFO L93 Difference]: Finished difference Result 139 states and 156 transitions. [2018-02-04 12:56:05,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 12:56:05,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 12:56:05,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:05,448 INFO L225 Difference]: With dead ends: 139 [2018-02-04 12:56:05,448 INFO L226 Difference]: Without dead ends: 139 [2018-02-04 12:56:05,448 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 12:56:05,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-02-04 12:56:05,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 76. [2018-02-04 12:56:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-02-04 12:56:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2018-02-04 12:56:05,452 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 18 [2018-02-04 12:56:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:05,452 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2018-02-04 12:56:05,452 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 12:56:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2018-02-04 12:56:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 12:56:05,453 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:05,453 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:05,453 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:05,453 INFO L82 PathProgramCache]: Analyzing trace with hash 689036531, now seen corresponding path program 1 times [2018-02-04 12:56:05,453 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:05,453 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:05,454 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,454 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:05,454 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:05,464 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:05,488 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:05,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 12:56:05,489 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 12:56:05,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 12:56:05,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 12:56:05,489 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand 4 states. [2018-02-04 12:56:05,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:05,540 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2018-02-04 12:56:05,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 12:56:05,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 12:56:05,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:05,542 INFO L225 Difference]: With dead ends: 92 [2018-02-04 12:56:05,543 INFO L226 Difference]: Without dead ends: 92 [2018-02-04 12:56:05,543 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:05,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-02-04 12:56:05,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 75. [2018-02-04 12:56:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-02-04 12:56:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 89 transitions. [2018-02-04 12:56:05,548 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 89 transitions. Word has length 18 [2018-02-04 12:56:05,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:05,548 INFO L432 AbstractCegarLoop]: Abstraction has 75 states and 89 transitions. [2018-02-04 12:56:05,548 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 12:56:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-02-04 12:56:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 12:56:05,549 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:05,549 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:05,549 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:05,549 INFO L82 PathProgramCache]: Analyzing trace with hash 689036532, now seen corresponding path program 1 times [2018-02-04 12:56:05,549 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:05,550 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:05,550 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,550 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:05,551 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:05,560 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:05,589 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:05,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 12:56:05,589 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 12:56:05,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 12:56:05,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 12:56:05,589 INFO L87 Difference]: Start difference. First operand 75 states and 89 transitions. Second operand 4 states. [2018-02-04 12:56:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:05,644 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2018-02-04 12:56:05,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 12:56:05,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-02-04 12:56:05,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:05,645 INFO L225 Difference]: With dead ends: 110 [2018-02-04 12:56:05,645 INFO L226 Difference]: Without dead ends: 110 [2018-02-04 12:56:05,646 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-02-04 12:56:05,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 73. [2018-02-04 12:56:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-02-04 12:56:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 86 transitions. [2018-02-04 12:56:05,649 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 86 transitions. Word has length 18 [2018-02-04 12:56:05,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:05,649 INFO L432 AbstractCegarLoop]: Abstraction has 73 states and 86 transitions. [2018-02-04 12:56:05,649 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 12:56:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2018-02-04 12:56:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 12:56:05,650 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:05,650 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:05,650 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:05,650 INFO L82 PathProgramCache]: Analyzing trace with hash -115685232, now seen corresponding path program 1 times [2018-02-04 12:56:05,650 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:05,650 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:05,651 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,651 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:05,651 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:05,659 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:05,685 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:05,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 12:56:05,686 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 12:56:05,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 12:56:05,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:05,686 INFO L87 Difference]: Start difference. First operand 73 states and 86 transitions. Second operand 5 states. [2018-02-04 12:56:05,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:05,761 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2018-02-04 12:56:05,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 12:56:05,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-02-04 12:56:05,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:05,762 INFO L225 Difference]: With dead ends: 87 [2018-02-04 12:56:05,762 INFO L226 Difference]: Without dead ends: 87 [2018-02-04 12:56:05,763 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 12:56:05,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-02-04 12:56:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 73. [2018-02-04 12:56:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-02-04 12:56:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 85 transitions. [2018-02-04 12:56:05,766 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 85 transitions. Word has length 19 [2018-02-04 12:56:05,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:05,766 INFO L432 AbstractCegarLoop]: Abstraction has 73 states and 85 transitions. [2018-02-04 12:56:05,769 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 12:56:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2018-02-04 12:56:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 12:56:05,770 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:05,770 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:05,770 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:05,770 INFO L82 PathProgramCache]: Analyzing trace with hash 580005852, now seen corresponding path program 1 times [2018-02-04 12:56:05,770 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:05,771 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:05,771 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,771 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:05,771 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:05,785 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:05,887 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:05,887 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 12:56:05,887 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 12:56:05,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 12:56:05,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 12:56:05,888 INFO L87 Difference]: Start difference. First operand 73 states and 85 transitions. Second operand 7 states. [2018-02-04 12:56:06,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:06,014 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2018-02-04 12:56:06,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 12:56:06,014 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-02-04 12:56:06,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:06,014 INFO L225 Difference]: With dead ends: 77 [2018-02-04 12:56:06,014 INFO L226 Difference]: Without dead ends: 77 [2018-02-04 12:56:06,015 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-02-04 12:56:06,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-02-04 12:56:06,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69. [2018-02-04 12:56:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-02-04 12:56:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2018-02-04 12:56:06,018 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 23 [2018-02-04 12:56:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:06,018 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2018-02-04 12:56:06,019 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 12:56:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-02-04 12:56:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 12:56:06,019 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:06,019 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:06,019 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:06,020 INFO L82 PathProgramCache]: Analyzing trace with hash -493029770, now seen corresponding path program 1 times [2018-02-04 12:56:06,020 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:06,020 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:06,021 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:06,021 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:06,021 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:06,032 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:06,091 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:06,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 12:56:06,092 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 12:56:06,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 12:56:06,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:06,092 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand 5 states. [2018-02-04 12:56:06,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:06,178 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2018-02-04 12:56:06,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 12:56:06,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-02-04 12:56:06,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:06,179 INFO L225 Difference]: With dead ends: 107 [2018-02-04 12:56:06,179 INFO L226 Difference]: Without dead ends: 107 [2018-02-04 12:56:06,179 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-02-04 12:56:06,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-02-04 12:56:06,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 68. [2018-02-04 12:56:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-02-04 12:56:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2018-02-04 12:56:06,182 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 23 [2018-02-04 12:56:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:06,183 INFO L432 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2018-02-04 12:56:06,183 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 12:56:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-02-04 12:56:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-04 12:56:06,183 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:06,184 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:06,184 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:06,184 INFO L82 PathProgramCache]: Analyzing trace with hash -951533272, now seen corresponding path program 1 times [2018-02-04 12:56:06,184 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:06,184 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:06,185 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:06,185 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:06,185 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:06,193 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:06,266 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:06,266 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:06,271 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:06,291 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:06,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:06,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:06,348 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:06,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:06,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,365 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,371 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,371 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-02-04 12:56:06,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-02-04 12:56:06,387 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:06,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 12:56:06,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-02-04 12:56:06,408 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:06,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 12:56:06,409 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,413 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,423 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:36 [2018-02-04 12:56:06,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-02-04 12:56:06,456 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:06,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 30 [2018-02-04 12:56:06,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-02-04 12:56:06,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-02-04 12:56:06,478 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,481 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:06,489 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:51, output treesize:43 [2018-02-04 12:56:06,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-02-04 12:56:06,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2018-02-04 12:56:06,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-02-04 12:56:06,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 12:56:06,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-02-04 12:56:06,621 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:06,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2018-02-04 12:56:06,628 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-02-04 12:56:06,638 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 12:56:06,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-02-04 12:56:06,660 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:63, output treesize:136 [2018-02-04 12:56:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:06,725 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:06,725 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 15 [2018-02-04 12:56:06,725 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 12:56:06,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 12:56:06,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-02-04 12:56:06,726 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand 15 states. [2018-02-04 12:56:07,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:07,154 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2018-02-04 12:56:07,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 12:56:07,154 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 25 [2018-02-04 12:56:07,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:07,155 INFO L225 Difference]: With dead ends: 76 [2018-02-04 12:56:07,155 INFO L226 Difference]: Without dead ends: 76 [2018-02-04 12:56:07,155 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2018-02-04 12:56:07,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-02-04 12:56:07,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2018-02-04 12:56:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-02-04 12:56:07,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2018-02-04 12:56:07,159 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 25 [2018-02-04 12:56:07,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:07,160 INFO L432 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2018-02-04 12:56:07,160 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 12:56:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-02-04 12:56:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 12:56:07,161 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:07,161 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:07,161 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:07,162 INFO L82 PathProgramCache]: Analyzing trace with hash 567238585, now seen corresponding path program 1 times [2018-02-04 12:56:07,162 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:07,162 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:07,162 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,163 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:07,163 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:07,171 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:07,236 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:07,236 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:07,241 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:07,254 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:07,299 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~y~0.base Int)) (and (= |c_#valid| (store |c_old(#valid)| main_~y~0.base 0)) (not (= main_~y~0.base 0)) (= (select |c_old(#valid)| main_~y~0.base) 0))) is different from true [2018-02-04 12:56:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-02-04 12:56:07,328 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:07,328 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2018-02-04 12:56:07,328 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 12:56:07,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 12:56:07,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2018-02-04 12:56:07,329 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 10 states. [2018-02-04 12:56:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:07,456 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2018-02-04 12:56:07,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 12:56:07,457 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2018-02-04 12:56:07,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:07,457 INFO L225 Difference]: With dead ends: 72 [2018-02-04 12:56:07,457 INFO L226 Difference]: Without dead ends: 61 [2018-02-04 12:56:07,458 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=95, Unknown=1, NotChecked=20, Total=156 [2018-02-04 12:56:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-02-04 12:56:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-02-04 12:56:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-02-04 12:56:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2018-02-04 12:56:07,460 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 26 [2018-02-04 12:56:07,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:07,460 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2018-02-04 12:56:07,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 12:56:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2018-02-04 12:56:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 12:56:07,461 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:07,462 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:07,462 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:07,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1660969695, now seen corresponding path program 1 times [2018-02-04 12:56:07,462 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:07,462 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:07,463 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,463 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:07,463 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:07,471 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:07,538 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:07,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 12:56:07,539 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 12:56:07,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 12:56:07,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:07,539 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand 5 states. [2018-02-04 12:56:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:07,627 INFO L93 Difference]: Finished difference Result 119 states and 131 transitions. [2018-02-04 12:56:07,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 12:56:07,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-02-04 12:56:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:07,628 INFO L225 Difference]: With dead ends: 119 [2018-02-04 12:56:07,628 INFO L226 Difference]: Without dead ends: 119 [2018-02-04 12:56:07,628 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 12:56:07,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-02-04 12:56:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 76. [2018-02-04 12:56:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-02-04 12:56:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2018-02-04 12:56:07,630 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 29 [2018-02-04 12:56:07,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:07,631 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2018-02-04 12:56:07,631 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 12:56:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2018-02-04 12:56:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 12:56:07,631 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:07,631 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:07,631 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:07,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1477377571, now seen corresponding path program 1 times [2018-02-04 12:56:07,631 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:07,631 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:07,632 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,632 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:07,632 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:07,640 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:07,700 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:07,700 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 12:56:07,700 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 12:56:07,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 12:56:07,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 12:56:07,701 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 6 states. [2018-02-04 12:56:07,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:07,777 INFO L93 Difference]: Finished difference Result 101 states and 113 transitions. [2018-02-04 12:56:07,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 12:56:07,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-02-04 12:56:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:07,788 INFO L225 Difference]: With dead ends: 101 [2018-02-04 12:56:07,788 INFO L226 Difference]: Without dead ends: 101 [2018-02-04 12:56:07,788 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-02-04 12:56:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-02-04 12:56:07,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 62. [2018-02-04 12:56:07,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-02-04 12:56:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2018-02-04 12:56:07,791 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 30 [2018-02-04 12:56:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:07,791 INFO L432 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2018-02-04 12:56:07,791 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 12:56:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2018-02-04 12:56:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 12:56:07,792 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:07,792 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:07,792 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:07,792 INFO L82 PathProgramCache]: Analyzing trace with hash 49545921, now seen corresponding path program 1 times [2018-02-04 12:56:07,792 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:07,792 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:07,793 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,793 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:07,793 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:07,801 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:07,822 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:07,822 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 12:56:07,822 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 12:56:07,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 12:56:07,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 12:56:07,822 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand 5 states. [2018-02-04 12:56:07,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:07,871 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2018-02-04 12:56:07,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 12:56:07,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-02-04 12:56:07,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:07,872 INFO L225 Difference]: With dead ends: 79 [2018-02-04 12:56:07,872 INFO L226 Difference]: Without dead ends: 79 [2018-02-04 12:56:07,872 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 12:56:07,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-02-04 12:56:07,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 62. [2018-02-04 12:56:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-02-04 12:56:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2018-02-04 12:56:07,874 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 30 [2018-02-04 12:56:07,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:07,874 INFO L432 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2018-02-04 12:56:07,874 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 12:56:07,874 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2018-02-04 12:56:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 12:56:07,875 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:07,875 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:07,875 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:07,875 INFO L82 PathProgramCache]: Analyzing trace with hash -873404019, now seen corresponding path program 1 times [2018-02-04 12:56:07,875 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:07,875 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:07,876 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,876 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:07,876 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:07,893 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:08,032 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:08,032 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 12:56:08,033 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 12:56:08,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 12:56:08,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 12:56:08,033 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 8 states. [2018-02-04 12:56:08,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:08,166 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2018-02-04 12:56:08,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 12:56:08,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-02-04 12:56:08,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:08,167 INFO L225 Difference]: With dead ends: 89 [2018-02-04 12:56:08,167 INFO L226 Difference]: Without dead ends: 89 [2018-02-04 12:56:08,167 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-02-04 12:56:08,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-02-04 12:56:08,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 72. [2018-02-04 12:56:08,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-02-04 12:56:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-02-04 12:56:08,168 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 34 [2018-02-04 12:56:08,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:08,169 INFO L432 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-02-04 12:56:08,169 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 12:56:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-02-04 12:56:08,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 12:56:08,169 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:08,169 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:08,169 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:08,169 INFO L82 PathProgramCache]: Analyzing trace with hash 733993419, now seen corresponding path program 1 times [2018-02-04 12:56:08,170 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:08,170 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:08,170 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:08,170 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:08,170 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:08,182 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:08,260 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:08,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 12:56:08,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 12:56:08,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 12:56:08,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 12:56:08,260 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 9 states. [2018-02-04 12:56:08,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:08,381 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2018-02-04 12:56:08,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 12:56:08,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-02-04 12:56:08,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:08,382 INFO L225 Difference]: With dead ends: 105 [2018-02-04 12:56:08,382 INFO L226 Difference]: Without dead ends: 105 [2018-02-04 12:56:08,383 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2018-02-04 12:56:08,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-02-04 12:56:08,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 72. [2018-02-04 12:56:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-02-04 12:56:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2018-02-04 12:56:08,385 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 35 [2018-02-04 12:56:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:08,385 INFO L432 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2018-02-04 12:56:08,385 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 12:56:08,385 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-02-04 12:56:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 12:56:08,386 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:08,386 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:08,386 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:08,386 INFO L82 PathProgramCache]: Analyzing trace with hash 733993420, now seen corresponding path program 1 times [2018-02-04 12:56:08,386 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:08,386 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:08,387 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:08,387 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:08,387 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:08,399 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:08,504 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:08,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 12:56:08,505 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 12:56:08,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 12:56:08,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 12:56:08,505 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand 9 states. [2018-02-04 12:56:08,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:08,749 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2018-02-04 12:56:08,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 12:56:08,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-02-04 12:56:08,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:08,750 INFO L225 Difference]: With dead ends: 93 [2018-02-04 12:56:08,750 INFO L226 Difference]: Without dead ends: 93 [2018-02-04 12:56:08,750 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2018-02-04 12:56:08,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-02-04 12:56:08,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2018-02-04 12:56:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-02-04 12:56:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2018-02-04 12:56:08,752 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 35 [2018-02-04 12:56:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:08,753 INFO L432 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2018-02-04 12:56:08,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 12:56:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2018-02-04 12:56:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-04 12:56:08,753 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:08,754 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:08,754 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:08,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1814048103, now seen corresponding path program 1 times [2018-02-04 12:56:08,754 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:08,754 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:08,755 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:08,755 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:08,755 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:08,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:08,921 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:08,921 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:08,929 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:08,952 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:08,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:08,961 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:08,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:08,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:08,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:08,966 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2018-02-04 12:56:08,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:09,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:09,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,007 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:19 [2018-02-04 12:56:09,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-02-04 12:56:09,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-02-04 12:56:09,037 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,041 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:09,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-02-04 12:56:09,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-02-04 12:56:09,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2018-02-04 12:56:09,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:09,099 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:42 [2018-02-04 12:56:09,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2018-02-04 12:56:09,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 26 [2018-02-04 12:56:09,210 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:09,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-02-04 12:56:09,226 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,238 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:09,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:09,271 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:55, output treesize:73 [2018-02-04 12:56:09,352 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:09,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-02-04 12:56:09,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:09,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:09,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:15 [2018-02-04 12:56:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:09,397 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:09,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 21 [2018-02-04 12:56:09,397 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 12:56:09,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 12:56:09,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2018-02-04 12:56:09,398 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 22 states. [2018-02-04 12:56:10,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:10,514 INFO L93 Difference]: Finished difference Result 110 states and 116 transitions. [2018-02-04 12:56:10,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 12:56:10,557 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 36 [2018-02-04 12:56:10,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:10,558 INFO L225 Difference]: With dead ends: 110 [2018-02-04 12:56:10,558 INFO L226 Difference]: Without dead ends: 110 [2018-02-04 12:56:10,558 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=399, Invalid=1763, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 12:56:10,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-02-04 12:56:10,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 77. [2018-02-04 12:56:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-02-04 12:56:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-02-04 12:56:10,560 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 36 [2018-02-04 12:56:10,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:10,560 INFO L432 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-02-04 12:56:10,560 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 12:56:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-02-04 12:56:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-04 12:56:10,560 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:10,560 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:10,561 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1814048102, now seen corresponding path program 1 times [2018-02-04 12:56:10,561 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:10,561 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:10,561 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:10,561 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:10,562 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:10,569 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:10,741 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:10,741 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:10,745 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:10,762 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:10,809 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:10,809 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:10,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:10,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,816 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-02-04 12:56:10,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:10,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:10,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:10,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:10,855 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,856 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,861 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:36, output treesize:25 [2018-02-04 12:56:10,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-02-04 12:56:10,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:56:10,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,888 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 12:56:10,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:56:10,904 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,907 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,921 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:50 [2018-02-04 12:56:10,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-02-04 12:56:10,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 47 [2018-02-04 12:56:10,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-02-04 12:56:10,977 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:10,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-02-04 12:56:10,978 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,983 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:10,991 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:61 [2018-02-04 12:56:11,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-02-04 12:56:11,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2018-02-04 12:56:11,081 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:11,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 12:56:11,120 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:11,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:11,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-02-04 12:56:11,166 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:11,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-02-04 12:56:11,167 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:11,171 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:11,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-02-04 12:56:11,201 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:11,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-02-04 12:56:11,204 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:11,212 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:11,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-02-04 12:56:11,234 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:11,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-02-04 12:56:11,238 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:11,252 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:11,291 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-02-04 12:56:11,291 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:81, output treesize:108 [2018-02-04 12:56:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:11,395 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:11,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2018-02-04 12:56:11,395 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 12:56:11,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 12:56:11,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2018-02-04 12:56:11,396 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 27 states. [2018-02-04 12:56:14,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:14,523 INFO L93 Difference]: Finished difference Result 272 states and 298 transitions. [2018-02-04 12:56:14,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-02-04 12:56:14,523 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 36 [2018-02-04 12:56:14,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:14,524 INFO L225 Difference]: With dead ends: 272 [2018-02-04 12:56:14,524 INFO L226 Difference]: Without dead ends: 272 [2018-02-04 12:56:14,525 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2572 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1358, Invalid=7384, Unknown=0, NotChecked=0, Total=8742 [2018-02-04 12:56:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-02-04 12:56:14,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 133. [2018-02-04 12:56:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-02-04 12:56:14,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2018-02-04 12:56:14,528 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 36 [2018-02-04 12:56:14,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:14,528 INFO L432 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2018-02-04 12:56:14,528 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 12:56:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2018-02-04 12:56:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 12:56:14,528 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:14,528 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:14,528 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:14,528 INFO L82 PathProgramCache]: Analyzing trace with hash 993040720, now seen corresponding path program 1 times [2018-02-04 12:56:14,529 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:14,529 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:14,529 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:14,529 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:14,529 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:14,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:14,637 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:14,637 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 12:56:14,637 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 12:56:14,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 12:56:14,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-04 12:56:14,638 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand 11 states. [2018-02-04 12:56:14,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:14,868 INFO L93 Difference]: Finished difference Result 147 states and 172 transitions. [2018-02-04 12:56:14,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 12:56:14,869 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2018-02-04 12:56:14,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:14,869 INFO L225 Difference]: With dead ends: 147 [2018-02-04 12:56:14,869 INFO L226 Difference]: Without dead ends: 147 [2018-02-04 12:56:14,869 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2018-02-04 12:56:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-02-04 12:56:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 134. [2018-02-04 12:56:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 12:56:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-02-04 12:56:14,871 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 37 [2018-02-04 12:56:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:14,871 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-02-04 12:56:14,871 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 12:56:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-02-04 12:56:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 12:56:14,871 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:14,872 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:14,872 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:14,872 INFO L82 PathProgramCache]: Analyzing trace with hash -400917400, now seen corresponding path program 1 times [2018-02-04 12:56:14,872 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:14,872 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:14,872 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:14,872 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:14,872 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:14,877 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:14,967 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:14,967 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:14,976 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:14,991 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:15,016 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:15,017 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:15,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:15,018 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,022 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2018-02-04 12:56:15,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:15,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:15,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,059 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:19 [2018-02-04 12:56:15,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-02-04 12:56:15,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-02-04 12:56:15,082 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,086 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:15,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-02-04 12:56:15,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-02-04 12:56:15,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-02-04 12:56:15,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:15,134 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:37 [2018-02-04 12:56:15,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2018-02-04 12:56:15,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-02-04 12:56:15,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:15,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2018-02-04 12:56:15,236 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 3 xjuncts. [2018-02-04 12:56:15,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 12:56:15,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-02-04 12:56:15,258 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:50, output treesize:26 [2018-02-04 12:56:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:15,316 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:15,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 22 [2018-02-04 12:56:15,316 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 12:56:15,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 12:56:15,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-02-04 12:56:15,317 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 22 states. [2018-02-04 12:56:15,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:15,893 INFO L93 Difference]: Finished difference Result 156 states and 178 transitions. [2018-02-04 12:56:16,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 12:56:16,040 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 37 [2018-02-04 12:56:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:16,041 INFO L225 Difference]: With dead ends: 156 [2018-02-04 12:56:16,041 INFO L226 Difference]: Without dead ends: 156 [2018-02-04 12:56:16,041 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=278, Invalid=1614, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 12:56:16,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-02-04 12:56:16,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 134. [2018-02-04 12:56:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 12:56:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-02-04 12:56:16,043 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 37 [2018-02-04 12:56:16,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:16,043 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-02-04 12:56:16,043 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 12:56:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-02-04 12:56:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 12:56:16,044 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:16,044 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:16,044 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:16,044 INFO L82 PathProgramCache]: Analyzing trace with hash -58648115, now seen corresponding path program 1 times [2018-02-04 12:56:16,044 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:16,044 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:16,045 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:16,045 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:16,045 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:16,054 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:16,298 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:16,298 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-04 12:56:16,303 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:16,317 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:16,328 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,329 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:16,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,331 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2018-02-04 12:56:16,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:16,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:16,340 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,341 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,344 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:19 [2018-02-04 12:56:16,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-02-04 12:56:16,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-02-04 12:56:16,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,375 INFO L267 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. [2018-02-04 12:56:16,375 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:38 [2018-02-04 12:56:16,403 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,404 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-02-04 12:56:16,404 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:16,413 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:55 [2018-02-04 12:56:16,437 INFO L477 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 0 case distinctions, treesize of input 50 treesize of output 42 [2018-02-04 12:56:16,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 46 [2018-02-04 12:56:16,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,449 INFO L267 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. [2018-02-04 12:56:16,449 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:64 [2018-02-04 12:56:16,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 59 [2018-02-04 12:56:16,585 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,586 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 61 [2018-02-04 12:56:16,599 INFO L267 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-02-04 12:56:16,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-02-04 12:56:16,669 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,716 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-02-04 12:56:16,769 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-02-04 12:56:16,769 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:86, output treesize:226 [2018-02-04 12:56:16,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2018-02-04 12:56:16,840 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,864 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 36 [2018-02-04 12:56:16,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,886 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 47 [2018-02-04 12:56:16,892 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-02-04 12:56:16,926 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 8 dim-0 vars, and 5 xjuncts. [2018-02-04 12:56:16,926 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 9 variables, input treesize:103, output treesize:122 [2018-02-04 12:56:16,977 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,978 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:16,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 30 [2018-02-04 12:56:16,979 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:16,992 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:16,992 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:24 [2018-02-04 12:56:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:17,038 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:17,038 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 28 [2018-02-04 12:56:17,038 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 12:56:17,038 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 12:56:17,039 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2018-02-04 12:56:17,039 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 29 states. [2018-02-04 12:56:18,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:18,863 INFO L93 Difference]: Finished difference Result 154 states and 173 transitions. [2018-02-04 12:56:18,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 12:56:18,863 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 40 [2018-02-04 12:56:18,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:18,864 INFO L225 Difference]: With dead ends: 154 [2018-02-04 12:56:18,864 INFO L226 Difference]: Without dead ends: 154 [2018-02-04 12:56:18,864 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=708, Invalid=2832, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 12:56:18,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-02-04 12:56:18,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 128. [2018-02-04 12:56:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-02-04 12:56:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-02-04 12:56:18,866 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 40 [2018-02-04 12:56:18,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:18,866 INFO L432 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-02-04 12:56:18,866 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 12:56:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-02-04 12:56:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 12:56:18,867 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:18,867 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:18,867 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:18,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1617180596, now seen corresponding path program 1 times [2018-02-04 12:56:18,867 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:18,867 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:18,867 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:18,867 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:18,868 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:18,876 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:19,214 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:19,214 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:19,219 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:19,240 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:19,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-02-04 12:56:19,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-02-04 12:56:19,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-02-04 12:56:19,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:56:19,257 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,258 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,262 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:37, output treesize:29 [2018-02-04 12:56:19,271 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,272 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:19,272 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,286 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:37 [2018-02-04 12:56:19,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-02-04 12:56:19,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:19,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2018-02-04 12:56:19,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:19,347 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,350 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,357 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:55 [2018-02-04 12:56:19,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 75 [2018-02-04 12:56:19,383 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,384 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 61 [2018-02-04 12:56:19,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,400 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-02-04 12:56:19,404 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,404 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 57 [2018-02-04 12:56:19,405 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,409 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,416 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:95, output treesize:89 [2018-02-04 12:56:19,441 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 50 [2018-02-04 12:56:19,445 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-02-04 12:56:19,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,452 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,462 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,463 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 89 [2018-02-04 12:56:19,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 106 [2018-02-04 12:56:19,466 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,472 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,479 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:100 [2018-02-04 12:56:19,794 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:19,794 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,795 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 85 [2018-02-04 12:56:19,797 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:19,804 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 51 [2018-02-04 12:56:19,805 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:19,817 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,818 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:19,818 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:19,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-02-04 12:56:19,819 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:19,831 INFO L267 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. [2018-02-04 12:56:19,832 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:138, output treesize:64 [2018-02-04 12:56:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:19,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:19,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 31 [2018-02-04 12:56:19,892 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 12:56:19,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 12:56:19,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=830, Unknown=4, NotChecked=0, Total=930 [2018-02-04 12:56:19,893 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 31 states. [2018-02-04 12:56:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:22,061 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2018-02-04 12:56:22,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 12:56:22,061 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 41 [2018-02-04 12:56:22,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:22,062 INFO L225 Difference]: With dead ends: 207 [2018-02-04 12:56:22,062 INFO L226 Difference]: Without dead ends: 207 [2018-02-04 12:56:22,063 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 24 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=745, Invalid=3797, Unknown=14, NotChecked=0, Total=4556 [2018-02-04 12:56:22,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-02-04 12:56:22,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 169. [2018-02-04 12:56:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-02-04 12:56:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 197 transitions. [2018-02-04 12:56:22,065 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 197 transitions. Word has length 41 [2018-02-04 12:56:22,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:22,066 INFO L432 AbstractCegarLoop]: Abstraction has 169 states and 197 transitions. [2018-02-04 12:56:22,066 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 12:56:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 197 transitions. [2018-02-04 12:56:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-04 12:56:22,066 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:22,066 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:22,066 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:22,066 INFO L82 PathProgramCache]: Analyzing trace with hash -659016960, now seen corresponding path program 2 times [2018-02-04 12:56:22,066 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:22,066 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:22,067 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:22,067 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:22,067 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:22,076 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:22,341 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:22,341 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-04 12:56:22,349 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 12:56:22,367 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 12:56:22,367 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 12:56:22,370 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:22,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:22,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:22,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:22,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:22,399 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,400 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,404 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:31, output treesize:23 [2018-02-04 12:56:22,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-02-04 12:56:22,413 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 12:56:22,414 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-02-04 12:56:22,430 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 12:56:22,431 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,434 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,440 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:59, output treesize:41 [2018-02-04 12:56:22,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2018-02-04 12:56:22,465 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,466 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,466 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,467 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 60 [2018-02-04 12:56:22,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,474 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2018-02-04 12:56:22,487 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,488 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,489 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-02-04 12:56:22,491 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,496 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,504 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,505 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:61 [2018-02-04 12:56:22,553 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,554 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:22,554 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,562 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:53 [2018-02-04 12:56:22,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 34 [2018-02-04 12:56:22,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:22,612 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 34 [2018-02-04 12:56:22,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:22,637 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,641 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,650 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:78, output treesize:67 [2018-02-04 12:56:22,679 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:22,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2018-02-04 12:56:22,681 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 49 [2018-02-04 12:56:22,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 76 [2018-02-04 12:56:22,707 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 50 [2018-02-04 12:56:22,709 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,715 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,723 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:127, output treesize:89 [2018-02-04 12:56:22,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 55 [2018-02-04 12:56:22,752 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-02-04 12:56:22,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,786 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:22,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 79 [2018-02-04 12:56:22,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 98 [2018-02-04 12:56:22,789 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,798 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:22,809 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:104 [2018-02-04 12:56:23,082 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:23,083 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:23,084 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:23,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 86 [2018-02-04 12:56:23,091 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:23,107 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 73 [2018-02-04 12:56:23,107 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-02-04 12:56:23,134 INFO L267 ElimStorePlain]: Start of recursive call 3: 88 dim-0 vars, End of recursive call: 88 dim-0 vars, and 96 xjuncts. [2018-02-04 12:56:23,461 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:23,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 48 [2018-02-04 12:56:23,462 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:23,466 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:23,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-02-04 12:56:23,467 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:23,468 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:23,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2018-02-04 12:56:23,469 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:23,470 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:23,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-02-04 12:56:23,471 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:23,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 12:56:23,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2018-02-04 12:56:23,565 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:23,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-02-04 12:56:23,566 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:23,569 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:23,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2018-02-04 12:56:23,578 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:23,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-02-04 12:56:23,581 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:23,592 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:23,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2018-02-04 12:56:23,598 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:23,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-02-04 12:56:23,601 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:23,611 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:23,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2018-02-04 12:56:23,618 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:23,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-02-04 12:56:23,620 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:23,631 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:23,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-02-04 12:56:23,670 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 5 variables, input treesize:138, output treesize:120 [2018-02-04 12:56:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:23,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:23,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 22] total 32 [2018-02-04 12:56:23,779 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 12:56:23,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 12:56:23,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2018-02-04 12:56:23,779 INFO L87 Difference]: Start difference. First operand 169 states and 197 transitions. Second operand 32 states. [2018-02-04 12:56:25,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:25,380 INFO L93 Difference]: Finished difference Result 187 states and 215 transitions. [2018-02-04 12:56:25,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 12:56:25,380 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 43 [2018-02-04 12:56:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:25,381 INFO L225 Difference]: With dead ends: 187 [2018-02-04 12:56:25,381 INFO L226 Difference]: Without dead ends: 187 [2018-02-04 12:56:25,381 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=407, Invalid=3374, Unknown=1, NotChecked=0, Total=3782 [2018-02-04 12:56:25,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-02-04 12:56:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 173. [2018-02-04 12:56:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-02-04 12:56:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 201 transitions. [2018-02-04 12:56:25,383 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 201 transitions. Word has length 43 [2018-02-04 12:56:25,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:25,383 INFO L432 AbstractCegarLoop]: Abstraction has 173 states and 201 transitions. [2018-02-04 12:56:25,383 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 12:56:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 201 transitions. [2018-02-04 12:56:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 12:56:25,384 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:25,384 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:25,384 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:25,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1045309665, now seen corresponding path program 2 times [2018-02-04 12:56:25,384 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:25,384 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:25,385 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:25,385 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 12:56:25,385 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:25,390 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:25,711 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:25,711 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:25,716 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 12:56:25,732 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 12:56:25,732 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 12:56:25,734 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:25,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:25,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:25,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:25,824 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:25,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:25,830 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:37 [2018-02-04 12:56:25,852 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:25,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 60 [2018-02-04 12:56:25,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-02-04 12:56:25,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:25,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:25,866 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:25,867 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:55 [2018-02-04 12:56:25,916 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:25,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2018-02-04 12:56:25,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 63 [2018-02-04 12:56:25,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:25,930 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:25,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:25,937 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:59 [2018-02-04 12:56:26,036 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:26,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2018-02-04 12:56:26,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-02-04 12:56:26,039 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:26,048 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:26,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 43 [2018-02-04 12:56:26,053 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:26,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:26,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:26,111 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:72, output treesize:112 [2018-02-04 12:56:26,445 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~y~0.base Int) (v_prenex_117 Int)) (let ((.cse0 (store |c_old(#valid)| main_~y~0.base 1))) (and (not (= v_prenex_117 0)) (not (= main_~y~0.base 0)) (= |c_#valid| (store (store .cse0 v_prenex_117 0) main_~y~0.base 0)) (= (select |c_old(#valid)| main_~y~0.base) 0) (= (select .cse0 v_prenex_117) 0)))) is different from true [2018-02-04 12:56:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2018-02-04 12:56:26,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:26,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 31 [2018-02-04 12:56:26,490 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 12:56:26,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 12:56:26,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=843, Unknown=17, NotChecked=58, Total=992 [2018-02-04 12:56:26,491 INFO L87 Difference]: Start difference. First operand 173 states and 201 transitions. Second operand 32 states. [2018-02-04 12:56:27,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:27,931 INFO L93 Difference]: Finished difference Result 186 states and 213 transitions. [2018-02-04 12:56:27,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 12:56:27,931 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 44 [2018-02-04 12:56:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:27,932 INFO L225 Difference]: With dead ends: 186 [2018-02-04 12:56:27,932 INFO L226 Difference]: Without dead ends: 168 [2018-02-04 12:56:27,932 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=223, Invalid=1926, Unknown=17, NotChecked=90, Total=2256 [2018-02-04 12:56:27,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-02-04 12:56:27,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 167. [2018-02-04 12:56:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-02-04 12:56:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 194 transitions. [2018-02-04 12:56:27,934 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 194 transitions. Word has length 44 [2018-02-04 12:56:27,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:27,934 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 194 transitions. [2018-02-04 12:56:27,934 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 12:56:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 194 transitions. [2018-02-04 12:56:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 12:56:27,934 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:27,935 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:27,935 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:27,935 INFO L82 PathProgramCache]: Analyzing trace with hash 731145119, now seen corresponding path program 1 times [2018-02-04 12:56:27,935 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:27,935 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:27,935 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:27,935 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 12:56:27,935 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:27,943 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 12:56:28,058 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 12:56:28,058 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 12:56:28,059 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 12:56:28,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 12:56:28,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-02-04 12:56:28,059 INFO L87 Difference]: Start difference. First operand 167 states and 194 transitions. Second operand 10 states. [2018-02-04 12:56:28,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:28,273 INFO L93 Difference]: Finished difference Result 180 states and 204 transitions. [2018-02-04 12:56:28,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 12:56:28,273 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2018-02-04 12:56:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:28,274 INFO L225 Difference]: With dead ends: 180 [2018-02-04 12:56:28,274 INFO L226 Difference]: Without dead ends: 180 [2018-02-04 12:56:28,274 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2018-02-04 12:56:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-02-04 12:56:28,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 167. [2018-02-04 12:56:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-02-04 12:56:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 191 transitions. [2018-02-04 12:56:28,277 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 191 transitions. Word has length 45 [2018-02-04 12:56:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:28,277 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 191 transitions. [2018-02-04 12:56:28,277 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 12:56:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 191 transitions. [2018-02-04 12:56:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 12:56:28,278 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:28,278 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:28,278 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:28,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1902183403, now seen corresponding path program 1 times [2018-02-04 12:56:28,278 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:28,279 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:28,279 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:28,279 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:28,279 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:28,292 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:29,574 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:29,574 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-04 12:56:29,585 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:29,603 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:29,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:29,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:29,743 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:29,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:29,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:29,753 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:37 [2018-02-04 12:56:29,787 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:29,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 60 [2018-02-04 12:56:29,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-02-04 12:56:29,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:29,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:29,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:29,801 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:55 [2018-02-04 12:56:29,897 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:29,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2018-02-04 12:56:29,901 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:29,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 89 [2018-02-04 12:56:29,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:29,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:29,918 INFO L267 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. [2018-02-04 12:56:29,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:85, output treesize:86 [2018-02-04 12:56:30,182 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:30,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 85 [2018-02-04 12:56:30,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-02-04 12:56:30,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:30,195 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:30,197 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:30,200 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:30,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 83 [2018-02-04 12:56:30,210 INFO L267 ElimStorePlain]: Start of recursive call 4: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-02-04 12:56:30,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-02-04 12:56:30,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-02-04 12:56:30,471 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:108, output treesize:334 [2018-02-04 12:56:30,944 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~y~0.base Int) (v_prenex_130 Int) (v_prenex_129 Int)) (let ((.cse1 (store |c_old(#valid)| main_~y~0.base 1))) (let ((.cse0 (store .cse1 v_prenex_129 1))) (and (= 0 (select .cse0 v_prenex_130)) (not (= main_~y~0.base 0)) (= (select |c_old(#valid)| main_~y~0.base) 0) (= (store (store (store .cse0 v_prenex_130 0) v_prenex_129 0) main_~y~0.base 0) |c_#valid|) (not (= v_prenex_129 0)) (= (select .cse1 v_prenex_129) 0) (not (= v_prenex_130 0)))))) is different from true [2018-02-04 12:56:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2018-02-04 12:56:30,987 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:30,987 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2018-02-04 12:56:30,987 INFO L409 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-02-04 12:56:30,988 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-02-04 12:56:30,988 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1444, Unknown=24, NotChecked=76, Total=1640 [2018-02-04 12:56:30,988 INFO L87 Difference]: Start difference. First operand 167 states and 191 transitions. Second operand 41 states. [2018-02-04 12:56:32,094 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 164 DAG size of output 73 [2018-02-04 12:56:32,734 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 157 DAG size of output 79 [2018-02-04 12:56:33,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:33,334 INFO L93 Difference]: Finished difference Result 171 states and 194 transitions. [2018-02-04 12:56:33,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 12:56:33,334 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 48 [2018-02-04 12:56:33,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:33,335 INFO L225 Difference]: With dead ends: 171 [2018-02-04 12:56:33,335 INFO L226 Difference]: Without dead ends: 150 [2018-02-04 12:56:33,335 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=299, Invalid=3337, Unknown=28, NotChecked=118, Total=3782 [2018-02-04 12:56:33,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-02-04 12:56:33,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2018-02-04 12:56:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 12:56:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 171 transitions. [2018-02-04 12:56:33,337 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 171 transitions. Word has length 48 [2018-02-04 12:56:33,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:33,338 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 171 transitions. [2018-02-04 12:56:33,338 INFO L433 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-02-04 12:56:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 171 transitions. [2018-02-04 12:56:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 12:56:33,338 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:33,338 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:33,339 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:33,339 INFO L82 PathProgramCache]: Analyzing trace with hash -2055869351, now seen corresponding path program 3 times [2018-02-04 12:56:33,339 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:33,339 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:33,339 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:33,340 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:33,340 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:33,349 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:33,438 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:33,438 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:33,448 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 12:56:33,505 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-02-04 12:56:33,505 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 12:56:33,508 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:33,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:33,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:33,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,556 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-02-04 12:56:33,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 39 [2018-02-04 12:56:33,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2018-02-04 12:56:33,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,608 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:33,613 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:25 [2018-02-04 12:56:33,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 46 [2018-02-04 12:56:33,651 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:33,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 45 [2018-02-04 12:56:33,651 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,669 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:33,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 40 [2018-02-04 12:56:33,671 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,679 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:33,684 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2018-02-04 12:56:33,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2018-02-04 12:56:33,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-02-04 12:56:33,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,783 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:33,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2018-02-04 12:56:33,787 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:33,810 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:33,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-02-04 12:56:33,811 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2018-02-04 12:56:33,838 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:33,838 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:33,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-02-04 12:56:33,839 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-02-04 12:56:33,855 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,870 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:33,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2018-02-04 12:56:33,875 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:33,885 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:33,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:33,894 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:97, output treesize:20 [2018-02-04 12:56:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:33,937 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:33,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 20 [2018-02-04 12:56:33,937 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 12:56:33,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 12:56:33,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2018-02-04 12:56:33,938 INFO L87 Difference]: Start difference. First operand 148 states and 171 transitions. Second operand 20 states. [2018-02-04 12:56:38,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:38,729 INFO L93 Difference]: Finished difference Result 196 states and 218 transitions. [2018-02-04 12:56:38,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 12:56:38,729 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 48 [2018-02-04 12:56:38,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:38,730 INFO L225 Difference]: With dead ends: 196 [2018-02-04 12:56:38,730 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 12:56:38,730 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=601, Invalid=1751, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 12:56:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 12:56:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 148. [2018-02-04 12:56:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 12:56:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 167 transitions. [2018-02-04 12:56:38,732 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 167 transitions. Word has length 48 [2018-02-04 12:56:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:38,732 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 167 transitions. [2018-02-04 12:56:38,732 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 12:56:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 167 transitions. [2018-02-04 12:56:38,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 12:56:38,732 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:38,733 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:38,733 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:38,733 INFO L82 PathProgramCache]: Analyzing trace with hash 692593450, now seen corresponding path program 1 times [2018-02-04 12:56:38,733 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:38,733 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:38,733 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:38,733 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 12:56:38,733 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:38,739 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:38,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:38,922 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:38,922 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-04 12:56:38,950 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:38,978 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:38,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 12:56:38,992 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:38,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:38,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 12:56:39,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:39,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 12:56:39,005 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,014 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:39,015 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:39,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:39,016 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,021 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-02-04 12:56:39,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:39,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:39,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,061 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:39,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:39,075 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,077 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,085 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:35 [2018-02-04 12:56:39,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 12:56:39,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:56:39,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2018-02-04 12:56:39,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:56:39,140 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,146 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,156 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:71, output treesize:55 [2018-02-04 12:56:39,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-02-04 12:56:39,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 47 [2018-02-04 12:56:39,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-02-04 12:56:39,217 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:39,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-02-04 12:56:39,218 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,224 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,235 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,235 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:74, output treesize:66 [2018-02-04 12:56:39,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-02-04 12:56:39,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2018-02-04 12:56:39,351 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:39,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 12:56:39,369 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:39,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-02-04 12:56:39,427 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:39,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-02-04 12:56:39,429 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:39,437 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:39,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-02-04 12:56:39,441 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:39,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-02-04 12:56:39,442 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,445 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:39,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-02-04 12:56:39,450 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:39,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-02-04 12:56:39,452 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:39,463 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:56:39,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 5 xjuncts. [2018-02-04 12:56:39,488 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:86, output treesize:145 [2018-02-04 12:56:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:39,631 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:39,631 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 25 [2018-02-04 12:56:39,631 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 12:56:39,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 12:56:39,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2018-02-04 12:56:39,632 INFO L87 Difference]: Start difference. First operand 148 states and 167 transitions. Second operand 26 states. [2018-02-04 12:56:41,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:41,305 INFO L93 Difference]: Finished difference Result 224 states and 240 transitions. [2018-02-04 12:56:41,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 12:56:41,305 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 49 [2018-02-04 12:56:41,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:41,306 INFO L225 Difference]: With dead ends: 224 [2018-02-04 12:56:41,306 INFO L226 Difference]: Without dead ends: 224 [2018-02-04 12:56:41,306 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 38 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1004, Invalid=2902, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 12:56:41,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-02-04 12:56:41,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 138. [2018-02-04 12:56:41,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-02-04 12:56:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 151 transitions. [2018-02-04 12:56:41,309 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 151 transitions. Word has length 49 [2018-02-04 12:56:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:41,309 INFO L432 AbstractCegarLoop]: Abstraction has 138 states and 151 transitions. [2018-02-04 12:56:41,309 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 12:56:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2018-02-04 12:56:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 12:56:41,310 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:41,310 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:41,310 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:41,310 INFO L82 PathProgramCache]: Analyzing trace with hash -722803741, now seen corresponding path program 1 times [2018-02-04 12:56:41,310 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:41,310 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:41,311 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:41,311 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:41,311 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:41,326 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:41,660 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:41,660 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:41,665 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:41,688 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:41,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-02-04 12:56:41,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-02-04 12:56:41,696 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,698 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,701 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-02-04 12:56:41,707 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:41,707 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:41,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:41,708 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,713 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:24 [2018-02-04 12:56:41,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:41,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:41,749 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,750 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-02-04 12:56:41,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:41,763 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,766 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,773 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:42 [2018-02-04 12:56:41,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2018-02-04 12:56:41,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:56:41,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-02-04 12:56:41,831 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:41,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-02-04 12:56:41,832 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,836 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,842 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:74, output treesize:58 [2018-02-04 12:56:41,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2018-02-04 12:56:41,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 51 [2018-02-04 12:56:41,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,884 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:41,884 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2018-02-04 12:56:41,885 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:41,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2018-02-04 12:56:41,886 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,891 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,897 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:77, output treesize:61 [2018-02-04 12:56:41,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:41,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2018-02-04 12:56:41,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 12:56:41,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:41,970 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:41,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 37 [2018-02-04 12:56:41,975 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:41,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:42,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:42,007 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:81, output treesize:164 [2018-02-04 12:56:42,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2018-02-04 12:56:42,164 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:42,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:42,189 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:179, output treesize:53 [2018-02-04 12:56:42,247 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:42,247 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:42,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:42,248 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:42,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:42,258 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:48 [2018-02-04 12:56:42,293 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:42,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:42,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-02-04 12:56:42,296 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:42,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:42,303 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 45 [2018-02-04 12:56:42,303 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:56:42,311 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:42,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-02-04 12:56:42,311 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:42,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:42,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:42,316 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:54, output treesize:3 [2018-02-04 12:56:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:42,341 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:42,342 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 30 [2018-02-04 12:56:42,342 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 12:56:42,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 12:56:42,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2018-02-04 12:56:42,342 INFO L87 Difference]: Start difference. First operand 138 states and 151 transitions. Second operand 31 states. [2018-02-04 12:56:44,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:44,527 INFO L93 Difference]: Finished difference Result 227 states and 246 transitions. [2018-02-04 12:56:44,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 12:56:44,527 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 53 [2018-02-04 12:56:44,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:44,528 INFO L225 Difference]: With dead ends: 227 [2018-02-04 12:56:44,528 INFO L226 Difference]: Without dead ends: 227 [2018-02-04 12:56:44,529 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1310 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=886, Invalid=4664, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 12:56:44,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-02-04 12:56:44,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 179. [2018-02-04 12:56:44,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 12:56:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 197 transitions. [2018-02-04 12:56:44,531 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 197 transitions. Word has length 53 [2018-02-04 12:56:44,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:44,531 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 197 transitions. [2018-02-04 12:56:44,531 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 12:56:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 197 transitions. [2018-02-04 12:56:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 12:56:44,532 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:44,532 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:44,532 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:44,532 INFO L82 PathProgramCache]: Analyzing trace with hash -722803740, now seen corresponding path program 1 times [2018-02-04 12:56:44,532 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:44,532 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:44,533 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:44,533 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:44,533 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:44,542 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:44,963 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:44,963 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-04 12:56:44,968 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:44,987 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:44,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 12:56:44,990 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:44,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:44,992 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 12:56:44,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-02-04 12:56:44,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-02-04 12:56:44,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:44,997 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-02-04 12:56:45,009 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,009 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,010 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 48 [2018-02-04 12:56:45,011 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,018 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:46 [2018-02-04 12:56:45,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:45,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:45,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,077 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 34 [2018-02-04 12:56:45,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:45,079 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,082 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,091 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,091 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:71, output treesize:60 [2018-02-04 12:56:45,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 12:56:45,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:56:45,120 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 61 [2018-02-04 12:56:45,138 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 47 [2018-02-04 12:56:45,139 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,146 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,155 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:88 [2018-02-04 12:56:45,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-02-04 12:56:45,189 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-02-04 12:56:45,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,194 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,207 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,207 INFO L477 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 0 case distinctions, treesize of input 80 treesize of output 73 [2018-02-04 12:56:45,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 88 [2018-02-04 12:56:45,209 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,215 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,223 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:107, output treesize:91 [2018-02-04 12:56:45,322 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-02-04 12:56:45,327 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 17 [2018-02-04 12:56:45,331 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-02-04 12:56:45,341 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 12:56:45,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:45,360 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:111, output treesize:260 [2018-02-04 12:56:45,545 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,546 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 94 [2018-02-04 12:56:45,547 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:45,581 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:278, output treesize:68 [2018-02-04 12:56:45,689 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,690 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:45,690 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 54 [2018-02-04 12:56:45,693 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:45,699 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 39 [2018-02-04 12:56:45,700 INFO L267 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:45,716 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:45,718 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 48 [2018-02-04 12:56:45,720 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:45,721 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:45,721 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-02-04 12:56:45,722 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:45,723 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,723 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:45,724 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:45,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 48 [2018-02-04 12:56:45,727 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:45,746 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:45,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:45,757 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:69, output treesize:61 [2018-02-04 12:56:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:45,821 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:45,821 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 33 [2018-02-04 12:56:45,822 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 12:56:45,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 12:56:45,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1009, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 12:56:45,822 INFO L87 Difference]: Start difference. First operand 179 states and 197 transitions. Second operand 34 states. [2018-02-04 12:56:47,450 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 159 DAG size of output 85 [2018-02-04 12:56:48,770 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 162 DAG size of output 88 [2018-02-04 12:56:49,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:56:49,099 INFO L93 Difference]: Finished difference Result 209 states and 229 transitions. [2018-02-04 12:56:49,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 12:56:49,113 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 53 [2018-02-04 12:56:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:56:49,114 INFO L225 Difference]: With dead ends: 209 [2018-02-04 12:56:49,114 INFO L226 Difference]: Without dead ends: 209 [2018-02-04 12:56:49,115 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1068, Invalid=4632, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 12:56:49,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-02-04 12:56:49,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 197. [2018-02-04 12:56:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-02-04 12:56:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 218 transitions. [2018-02-04 12:56:49,117 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 218 transitions. Word has length 53 [2018-02-04 12:56:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:56:49,117 INFO L432 AbstractCegarLoop]: Abstraction has 197 states and 218 transitions. [2018-02-04 12:56:49,117 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 12:56:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 218 transitions. [2018-02-04 12:56:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 12:56:49,117 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:56:49,117 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:56:49,117 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:56:49,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1715612209, now seen corresponding path program 3 times [2018-02-04 12:56:49,118 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:56:49,118 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:56:49,118 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:49,118 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:56:49,119 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:56:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:56:49,127 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:56:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:49,594 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:56:49,594 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:56:49,599 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 12:56:49,631 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-02-04 12:56:49,631 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 12:56:49,633 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:56:49,638 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,638 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:56:49,639 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,640 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-02-04 12:56:49,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:56:49,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:56:49,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,673 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2018-02-04 12:56:49,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-02-04 12:56:49,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-02-04 12:56:49,696 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:49,703 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-02-04 12:56:49,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-02-04 12:56:49,731 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 46 [2018-02-04 12:56:49,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:49,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:48 [2018-02-04 12:56:49,796 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,797 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,798 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 50 [2018-02-04 12:56:49,798 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:49,808 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:66 [2018-02-04 12:56:49,896 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 70 [2018-02-04 12:56:49,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-02-04 12:56:49,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:49,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:49,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:69 [2018-02-04 12:56:49,959 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,959 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,961 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 102 [2018-02-04 12:56:49,968 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,970 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:49,981 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 160 [2018-02-04 12:56:49,982 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-02-04 12:56:50,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-02-04 12:56:50,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2018-02-04 12:56:50,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:119, output treesize:448 [2018-02-04 12:56:50,196 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,197 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,199 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 120 [2018-02-04 12:56:50,203 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,209 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 160 [2018-02-04 12:56:50,209 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:56:50,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:50,261 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,262 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,264 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 106 [2018-02-04 12:56:50,268 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,274 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 143 [2018-02-04 12:56:50,275 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:56:50,296 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:56:50,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 12:56:50,320 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:229, output treesize:221 [2018-02-04 12:56:50,776 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,776 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 140 [2018-02-04 12:56:50,777 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:50,812 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,812 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:50,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 150 [2018-02-04 12:56:50,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:50,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-02-04 12:56:50,841 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:257, output treesize:221 [2018-02-04 12:56:51,039 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,040 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,041 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,041 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 124 [2018-02-04 12:56:51,049 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,053 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,074 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 108 [2018-02-04 12:56:51,074 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-02-04 12:56:51,099 INFO L267 ElimStorePlain]: Start of recursive call 3: 66 dim-0 vars, End of recursive call: 66 dim-0 vars, and 39 xjuncts. [2018-02-04 12:56:51,559 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,559 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,559 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,561 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 79 [2018-02-04 12:56:51,562 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,564 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,565 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,566 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 89 [2018-02-04 12:56:51,571 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,572 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,573 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,573 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,575 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 73 [2018-02-04 12:56:51,575 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,578 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,578 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,578 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,579 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 82 [2018-02-04 12:56:51,583 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,585 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,585 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,586 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,586 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,586 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,588 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 75 [2018-02-04 12:56:51,589 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,591 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,592 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,592 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,593 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 77 [2018-02-04 12:56:51,596 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,598 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,599 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,600 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 83 [2018-02-04 12:56:51,605 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,606 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,606 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,607 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 49 [2018-02-04 12:56:51,607 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,609 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,610 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,610 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,610 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 77 [2018-02-04 12:56:51,612 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,613 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,613 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,614 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 59 [2018-02-04 12:56:51,615 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,617 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,623 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,623 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,624 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 85 [2018-02-04 12:56:51,627 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,630 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,630 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,632 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 86 [2018-02-04 12:56:51,635 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,660 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,660 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 76 [2018-02-04 12:56:51,662 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,665 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,666 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,666 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,667 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 83 [2018-02-04 12:56:51,671 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,673 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,673 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,674 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 56 [2018-02-04 12:56:51,674 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,677 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,677 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,678 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,678 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,679 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,680 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 79 [2018-02-04 12:56:51,681 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,684 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,684 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,685 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,685 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 85 [2018-02-04 12:56:51,688 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:51,690 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,691 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,691 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,691 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,692 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,693 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 73 [2018-02-04 12:56:51,694 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,695 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,695 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,696 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2018-02-04 12:56:51,696 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:51,698 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,698 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,698 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:51,700 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:51,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 74 [2018-02-04 12:56:51,701 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2018-02-04 12:56:52,132 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 32 [2018-02-04 12:56:52,137 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 44 [2018-02-04 12:56:52,138 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 46 [2018-02-04 12:56:52,140 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 33 [2018-02-04 12:56:52,141 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 44 [2018-02-04 12:56:52,143 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 44 [2018-02-04 12:56:52,144 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2018-02-04 12:56:52,145 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-02-04 12:56:52,147 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 46 [2018-02-04 12:56:52,148 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 46 [2018-02-04 12:56:52,149 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2018-02-04 12:56:52,151 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 29 [2018-02-04 12:56:52,152 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 46 [2018-02-04 12:56:52,153 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 45 [2018-02-04 12:56:52,155 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2018-02-04 12:56:52,157 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2018-02-04 12:56:52,158 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2018-02-04 12:56:52,159 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 44 [2018-02-04 12:56:52,161 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-02-04 12:56:52,162 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 19 dim-0 vars, and 20 xjuncts. [2018-02-04 12:56:52,872 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,873 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,873 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:52,874 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,874 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 105 [2018-02-04 12:56:52,878 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,889 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 58 [2018-02-04 12:56:52,890 INFO L267 ElimStorePlain]: Start of recursive call 45: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 7 xjuncts. [2018-02-04 12:56:52,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 53 [2018-02-04 12:56:52,963 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:52,965 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,965 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,966 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2018-02-04 12:56:52,967 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,970 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 56 [2018-02-04 12:56:52,973 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:52,975 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-02-04 12:56:52,975 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,977 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2018-02-04 12:56:52,977 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,980 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2018-02-04 12:56:52,981 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:52,983 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:52,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 57 [2018-02-04 12:56:52,986 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-02-04 12:56:53,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-02-04 12:56:53,068 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2018-02-04 12:56:53,069 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2018-02-04 12:56:53,070 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-02-04 12:56:53,072 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-02-04 12:56:53,073 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-02-04 12:56:53,074 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-02-04 12:56:53,075 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,118 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 7 xjuncts. [2018-02-04 12:56:53,669 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:53,669 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:53,670 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:53,670 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:53,671 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:53,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 105 [2018-02-04 12:56:53,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-02-04 12:56:53,675 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,692 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:53,693 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:53,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-02-04 12:56:53,693 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:53,706 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:53,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2018-02-04 12:56:53,711 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:53,729 INFO L267 ElimStorePlain]: Start of recursive call 60: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:54,325 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:54,326 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,326 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,327 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 117 [2018-02-04 12:56:54,333 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,333 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:56:54,335 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,340 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 68 [2018-02-04 12:56:54,341 INFO L267 ElimStorePlain]: Start of recursive call 65: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:54,369 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,370 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,371 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,372 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,373 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:54,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 75 [2018-02-04 12:56:54,379 INFO L267 ElimStorePlain]: Start of recursive call 66: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-02-04 12:56:54,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-02-04 12:56:54,426 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:54,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2018-02-04 12:56:54,427 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:54,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 25 [2018-02-04 12:56:54,428 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:54,453 INFO L267 ElimStorePlain]: Start of recursive call 64: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-04 12:56:55,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 18 dim-0 vars, 4 dim-2 vars, End of recursive call: 51 dim-0 vars, and 33 xjuncts. [2018-02-04 12:56:55,102 INFO L202 ElimStorePlain]: Needed 69 recursive calls to eliminate 22 variables, input treesize:529, output treesize:1341 [2018-02-04 12:56:55,362 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:55,363 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:55,363 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:56:55,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-02-04 12:56:55,364 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:56:55,371 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 12:56:55,371 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:28 [2018-02-04 12:56:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:56:55,442 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:56:55,443 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 42 [2018-02-04 12:56:55,443 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 12:56:55,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 12:56:55,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1650, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 12:56:55,443 INFO L87 Difference]: Start difference. First operand 197 states and 218 transitions. Second operand 43 states. [2018-02-04 12:56:56,735 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 180 DAG size of output 78 [2018-02-04 12:56:57,047 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 147 DAG size of output 63 [2018-02-04 12:56:57,585 WARN L146 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 162 DAG size of output 76 [2018-02-04 12:56:57,859 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 111 DAG size of output 92 [2018-02-04 12:56:58,024 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 120 DAG size of output 86 [2018-02-04 12:56:58,565 WARN L146 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 209 DAG size of output 73 [2018-02-04 12:56:59,158 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 153 DAG size of output 73 [2018-02-04 12:56:59,916 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 192 DAG size of output 86 [2018-02-04 12:57:00,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:57:00,872 INFO L93 Difference]: Finished difference Result 261 states and 282 transitions. [2018-02-04 12:57:00,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-02-04 12:57:00,872 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 54 [2018-02-04 12:57:00,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:57:00,873 INFO L225 Difference]: With dead ends: 261 [2018-02-04 12:57:00,873 INFO L226 Difference]: Without dead ends: 261 [2018-02-04 12:57:00,874 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2381 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1546, Invalid=7960, Unknown=0, NotChecked=0, Total=9506 [2018-02-04 12:57:00,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-02-04 12:57:00,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 210. [2018-02-04 12:57:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-02-04 12:57:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 234 transitions. [2018-02-04 12:57:00,876 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 234 transitions. Word has length 54 [2018-02-04 12:57:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:57:00,877 INFO L432 AbstractCegarLoop]: Abstraction has 210 states and 234 transitions. [2018-02-04 12:57:00,877 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 12:57:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 234 transitions. [2018-02-04 12:57:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 12:57:00,877 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:57:00,877 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:57:00,877 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:57:00,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1715612210, now seen corresponding path program 2 times [2018-02-04 12:57:00,878 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:57:00,878 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:57:00,878 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:57:00,879 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 12:57:00,879 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:57:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:57:00,887 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:57:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:57:01,254 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:57:01,254 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-04 12:57:01,259 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 12:57:01,278 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 12:57:01,278 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 12:57:01,280 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:57:01,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 12:57:01,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,283 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 12:57:01,288 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 12:57:01,289 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,295 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-02-04 12:57:01,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,302 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-02-04 12:57:01,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:57:01,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:57:01,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:57:01,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:57:01,356 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,357 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,364 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:45 [2018-02-04 12:57:01,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 12:57:01,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:57:01,393 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 53 [2018-02-04 12:57:01,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:57:01,408 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,412 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,420 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:85, output treesize:69 [2018-02-04 12:57:01,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-02-04 12:57:01,464 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-02-04 12:57:01,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,469 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 12:57:01,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 56 [2018-02-04 12:57:01,484 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,490 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,499 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:88, output treesize:80 [2018-02-04 12:57:01,564 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,565 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 40 [2018-02-04 12:57:01,565 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,581 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,581 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,582 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-02-04 12:57:01,583 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,593 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:94, output treesize:86 [2018-02-04 12:57:01,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2018-02-04 12:57:01,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:57:01,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,703 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 79 [2018-02-04 12:57:01,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-02-04 12:57:01,706 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,714 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:01,729 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:111, output treesize:96 [2018-02-04 12:57:01,775 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,780 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,781 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 164 [2018-02-04 12:57:01,795 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:01,828 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 168 [2018-02-04 12:57:01,833 INFO L267 ElimStorePlain]: Start of recursive call 3: 18 dim-0 vars, End of recursive call: 18 dim-0 vars, and 20 xjuncts. [2018-02-04 12:57:02,232 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-02-04 12:57:02,467 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,468 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,469 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,471 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 227 [2018-02-04 12:57:02,476 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,486 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 107 [2018-02-04 12:57:02,487 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:02,530 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:02,532 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,533 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,535 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,536 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 178 [2018-02-04 12:57:02,541 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,542 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,546 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,557 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 126 [2018-02-04 12:57:02,558 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:02,623 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:02,625 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,627 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,628 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,631 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 198 [2018-02-04 12:57:02,635 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,651 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 107 [2018-02-04 12:57:02,652 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:02,702 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:02,705 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,706 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,707 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,709 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,710 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 204 [2018-02-04 12:57:02,713 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,728 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 107 [2018-02-04 12:57:02,728 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:02,779 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:02,781 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,782 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,783 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,784 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,785 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 168 [2018-02-04 12:57:02,789 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,791 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,793 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,803 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 126 [2018-02-04 12:57:02,803 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:02,841 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:02,844 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,845 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,847 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,849 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 210 [2018-02-04 12:57:02,872 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,875 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:02,893 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,900 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 106 [2018-02-04 12:57:02,901 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:02,944 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:02,947 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,948 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,949 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,951 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:02,952 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 211 [2018-02-04 12:57:02,956 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:03,003 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 107 [2018-02-04 12:57:03,004 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:03,102 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:03,105 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,107 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,108 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,111 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:03,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 185 [2018-02-04 12:57:03,116 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,116 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:03,120 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,132 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 126 [2018-02-04 12:57:03,133 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:03,179 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:03,181 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 153 [2018-02-04 12:57:03,193 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,194 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,195 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:03,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 80 [2018-02-04 12:57:03,196 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:03,225 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:03,828 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 35 dim-0 vars, and 20 xjuncts. [2018-02-04 12:57:03,828 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 2 variables, input treesize:180, output treesize:3728 [2018-02-04 12:57:04,303 WARN L146 SmtUtils]: Spent 218ms on a formula simplification. DAG size of input: 464 DAG size of output 87 [2018-02-04 12:57:04,310 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,311 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,313 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,315 INFO L477 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 0 case distinctions, treesize of input 199 treesize of output 177 [2018-02-04 12:57:04,320 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,330 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 168 treesize of output 219 [2018-02-04 12:57:04,331 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:04,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:04,492 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,493 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,496 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,496 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 217 [2018-02-04 12:57:04,501 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,505 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 92 [2018-02-04 12:57:04,506 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:04,543 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:04,637 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,638 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,641 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 167 [2018-02-04 12:57:04,651 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 161 treesize of output 206 [2018-02-04 12:57:04,652 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:04,688 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:04,778 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 180 [2018-02-04 12:57:04,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 42 [2018-02-04 12:57:04,785 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:04,802 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:04,890 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,890 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,893 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,895 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:04,895 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 158 [2018-02-04 12:57:04,899 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:04,906 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 183 [2018-02-04 12:57:04,907 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:04,942 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:05,009 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:05,012 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:05,013 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:05,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 179 [2018-02-04 12:57:05,018 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:05,023 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 175 [2018-02-04 12:57:05,024 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:05,055 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:05,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 6 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:05,115 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 8 variables, input treesize:530, output treesize:524 [2018-02-04 12:57:06,156 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,157 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,158 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,158 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,159 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,161 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 194 [2018-02-04 12:57:06,167 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,193 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 138 [2018-02-04 12:57:06,193 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-02-04 12:57:06,205 INFO L267 ElimStorePlain]: Start of recursive call 3: 42 dim-0 vars, End of recursive call: 42 dim-0 vars, and 37 xjuncts. [2018-02-04 12:57:06,552 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,554 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,557 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,557 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,562 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 126 treesize of output 155 [2018-02-04 12:57:06,570 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-02-04 12:57:06,573 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,575 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,577 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,577 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,582 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 129 treesize of output 162 [2018-02-04 12:57:06,592 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 8 xjuncts. [2018-02-04 12:57:06,594 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,596 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,596 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,599 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 114 [2018-02-04 12:57:06,602 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:06,604 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,606 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,607 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,607 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,607 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,611 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 126 treesize of output 153 [2018-02-04 12:57:06,622 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-02-04 12:57:06,624 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,626 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,627 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,629 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 122 [2018-02-04 12:57:06,632 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:06,635 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,637 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,639 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,639 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,643 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 122 treesize of output 155 [2018-02-04 12:57:06,653 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-02-04 12:57:06,656 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,658 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,659 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,663 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 160 [2018-02-04 12:57:06,670 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2018-02-04 12:57:06,672 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,674 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,675 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,676 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,676 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,679 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 156 [2018-02-04 12:57:06,685 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:06,687 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,689 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,689 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,690 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,690 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,693 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,693 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 143 [2018-02-04 12:57:06,698 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:06,700 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,702 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,704 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,704 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,708 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 133 treesize of output 162 [2018-02-04 12:57:06,716 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 4 xjuncts. [2018-02-04 12:57:06,718 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,720 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,720 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:06,722 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:06,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 115 [2018-02-04 12:57:06,726 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:07,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2018-02-04 12:57:07,444 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 102 [2018-02-04 12:57:07,446 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 89 [2018-02-04 12:57:07,448 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 77 [2018-02-04 12:57:07,450 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 102 [2018-02-04 12:57:07,452 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 76 [2018-02-04 12:57:07,454 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 84 [2018-02-04 12:57:07,456 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 102 [2018-02-04 12:57:07,458 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 91 [2018-02-04 12:57:07,461 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 95 [2018-02-04 12:57:07,463 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 89 [2018-02-04 12:57:07,465 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:07,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 21 dim-0 vars, and 11 xjuncts. [2018-02-04 12:57:08,157 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,158 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,158 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,159 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:08,161 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 205 [2018-02-04 12:57:08,165 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:08,172 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 79 [2018-02-04 12:57:08,173 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:08,208 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,210 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 63 [2018-02-04 12:57:08,217 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-02-04 12:57:08,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 44 [2018-02-04 12:57:08,267 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:08,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 47 [2018-02-04 12:57:08,269 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:08,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51 [2018-02-04 12:57:08,271 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:08,321 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:08,810 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,812 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 92 [2018-02-04 12:57:08,814 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,816 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,817 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,826 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 55 [2018-02-04 12:57:08,827 INFO L267 ElimStorePlain]: Start of recursive call 33: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-02-04 12:57:08,863 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2018-02-04 12:57:08,864 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:08,865 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2018-02-04 12:57:08,866 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:08,880 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:08,881 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,883 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 91 [2018-02-04 12:57:08,886 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,887 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,890 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 24 [2018-02-04 12:57:08,890 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:08,910 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-02-04 12:57:08,913 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:08,927 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:08,929 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,931 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 96 [2018-02-04 12:57:08,933 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,934 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,935 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,943 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 51 [2018-02-04 12:57:08,944 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 12:57:08,963 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:08,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 4 [2018-02-04 12:57:08,963 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:08,973 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,479 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,480 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2018-02-04 12:57:09,485 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,490 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2018-02-04 12:57:09,491 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:09,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 17 [2018-02-04 12:57:09,515 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:09,536 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:09,537 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,539 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2018-02-04 12:57:09,545 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,550 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2018-02-04 12:57:09,550 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:09,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 17 [2018-02-04 12:57:09,638 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:09,661 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:09,662 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,664 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 99 [2018-02-04 12:57:09,669 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,681 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 55 [2018-02-04 12:57:09,682 INFO L267 ElimStorePlain]: Start of recursive call 49: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 12:57:09,721 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2018-02-04 12:57:09,722 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,736 INFO L267 ElimStorePlain]: Start of recursive call 48: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,738 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,739 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2018-02-04 12:57:09,745 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,759 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 59 [2018-02-04 12:57:09,760 INFO L267 ElimStorePlain]: Start of recursive call 52: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-02-04 12:57:09,792 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2018-02-04 12:57:09,793 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,795 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 12 [2018-02-04 12:57:09,795 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,813 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:09,815 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,816 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 99 [2018-02-04 12:57:09,820 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,831 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 55 [2018-02-04 12:57:09,832 INFO L267 ElimStorePlain]: Start of recursive call 56: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 12:57:09,856 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2018-02-04 12:57:09,857 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,868 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,870 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,871 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 91 [2018-02-04 12:57:09,876 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,887 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 59 [2018-02-04 12:57:09,889 INFO L267 ElimStorePlain]: Start of recursive call 59: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-02-04 12:57:09,919 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2018-02-04 12:57:09,919 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,932 INFO L267 ElimStorePlain]: Start of recursive call 58: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:09,933 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,935 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 99 [2018-02-04 12:57:09,940 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,944 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 36 [2018-02-04 12:57:09,945 INFO L267 ElimStorePlain]: Start of recursive call 62: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:09,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 13 [2018-02-04 12:57:09,968 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,979 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:09,981 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,983 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2018-02-04 12:57:09,987 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:09,992 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2018-02-04 12:57:09,993 INFO L267 ElimStorePlain]: Start of recursive call 65: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:10,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 17 [2018-02-04 12:57:10,025 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:10,044 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:10,045 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,047 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2018-02-04 12:57:10,052 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,074 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 59 [2018-02-04 12:57:10,075 INFO L267 ElimStorePlain]: Start of recursive call 68: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-02-04 12:57:10,108 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2018-02-04 12:57:10,109 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:10,110 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 8 [2018-02-04 12:57:10,111 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:10,136 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:10,138 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,140 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 99 [2018-02-04 12:57:10,143 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,154 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 55 [2018-02-04 12:57:10,155 INFO L267 ElimStorePlain]: Start of recursive call 72: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 12:57:10,179 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2018-02-04 12:57:10,179 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:10,191 INFO L267 ElimStorePlain]: Start of recursive call 71: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:10,192 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,193 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 99 [2018-02-04 12:57:10,199 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,204 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 36 [2018-02-04 12:57:10,204 INFO L267 ElimStorePlain]: Start of recursive call 75: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:10,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 13 [2018-02-04 12:57:10,228 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:10,239 INFO L267 ElimStorePlain]: Start of recursive call 74: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:10,735 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,736 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,736 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,736 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:10,738 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 180 [2018-02-04 12:57:10,746 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,750 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:10,770 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 133 [2018-02-04 12:57:10,770 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-02-04 12:57:10,782 INFO L267 ElimStorePlain]: Start of recursive call 78: 58 dim-0 vars, End of recursive call: 58 dim-0 vars, and 35 xjuncts. [2018-02-04 12:57:11,359 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,360 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,360 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 126 [2018-02-04 12:57:11,364 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:11,372 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,372 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 113 [2018-02-04 12:57:11,372 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,374 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,375 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 109 [2018-02-04 12:57:11,375 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,377 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,378 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,378 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 139 [2018-02-04 12:57:11,381 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,383 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,384 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,384 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 145 [2018-02-04 12:57:11,389 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:11,390 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,391 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,392 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,392 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,392 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 136 [2018-02-04 12:57:11,394 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,396 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,397 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,397 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 133 [2018-02-04 12:57:11,399 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,401 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,402 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,402 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 130 [2018-02-04 12:57:11,406 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:11,408 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,409 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,409 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 120 [2018-02-04 12:57:11,411 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,414 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,415 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,415 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,416 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,416 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 136 [2018-02-04 12:57:11,418 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,421 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,421 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,422 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 138 [2018-02-04 12:57:11,426 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:11,428 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,428 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,429 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 126 [2018-02-04 12:57:11,430 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,432 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,432 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 145 [2018-02-04 12:57:11,439 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:11,441 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,441 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,442 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,442 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,443 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 126 [2018-02-04 12:57:11,444 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,447 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,448 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,448 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 130 [2018-02-04 12:57:11,452 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:11,454 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,455 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 106 [2018-02-04 12:57:11,455 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,457 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,459 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 143 treesize of output 130 [2018-02-04 12:57:11,464 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:11,467 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,468 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,468 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 122 [2018-02-04 12:57:11,469 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,471 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,472 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 100 [2018-02-04 12:57:11,472 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:11,476 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:11,476 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:11,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 138 [2018-02-04 12:57:11,482 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:12,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 109 [2018-02-04 12:57:12,304 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:12,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 109 [2018-02-04 12:57:12,306 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:12,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 107 [2018-02-04 12:57:12,308 INFO L267 ElimStorePlain]: Start of recursive call 101: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 106 [2018-02-04 12:57:12,310 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 106 [2018-02-04 12:57:12,312 INFO L267 ElimStorePlain]: Start of recursive call 103: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 88 [2018-02-04 12:57:12,314 INFO L267 ElimStorePlain]: Start of recursive call 104: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 113 [2018-02-04 12:57:12,316 INFO L267 ElimStorePlain]: Start of recursive call 105: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 113 [2018-02-04 12:57:12,319 INFO L267 ElimStorePlain]: Start of recursive call 106: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 109 [2018-02-04 12:57:12,321 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:12,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 109 [2018-02-04 12:57:12,322 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:12,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 100 [2018-02-04 12:57:12,325 INFO L267 ElimStorePlain]: Start of recursive call 109: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 103 [2018-02-04 12:57:12,327 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:12,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 95 [2018-02-04 12:57:12,329 INFO L267 ElimStorePlain]: Start of recursive call 111: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 113 [2018-02-04 12:57:12,331 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 106 [2018-02-04 12:57:12,333 INFO L267 ElimStorePlain]: Start of recursive call 113: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 105 [2018-02-04 12:57:12,335 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:12,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 106 [2018-02-04 12:57:12,337 INFO L267 ElimStorePlain]: Start of recursive call 115: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 96 [2018-02-04 12:57:12,339 INFO L267 ElimStorePlain]: Start of recursive call 116: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 91 [2018-02-04 12:57:12,341 INFO L267 ElimStorePlain]: Start of recursive call 117: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:12,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 91 [2018-02-04 12:57:12,343 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:12,988 INFO L267 ElimStorePlain]: Start of recursive call 77: 3 dim-1 vars, End of recursive call: 32 dim-0 vars, and 20 xjuncts. [2018-02-04 12:57:14,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 98 [2018-02-04 12:57:14,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-02-04 12:57:14,527 INFO L267 ElimStorePlain]: Start of recursive call 120: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:14,546 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,547 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,549 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2018-02-04 12:57:14,549 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,563 INFO L267 ElimStorePlain]: Start of recursive call 119: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 91 [2018-02-04 12:57:14,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-02-04 12:57:14,569 INFO L267 ElimStorePlain]: Start of recursive call 123: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:14,586 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,587 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,588 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:14,592 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,614 INFO L267 ElimStorePlain]: Start of recursive call 122: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 91 [2018-02-04 12:57:14,619 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,620 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,622 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 37 [2018-02-04 12:57:14,624 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 27 [2018-02-04 12:57:14,649 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2018-02-04 12:57:14,651 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,662 INFO L267 ElimStorePlain]: Start of recursive call 125: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 91 [2018-02-04 12:57:14,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-02-04 12:57:14,667 INFO L267 ElimStorePlain]: Start of recursive call 130: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:14,683 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,683 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,685 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:14,688 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,710 INFO L267 ElimStorePlain]: Start of recursive call 129: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 95 [2018-02-04 12:57:14,715 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,716 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,718 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 33 [2018-02-04 12:57:14,718 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-02-04 12:57:14,734 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,750 INFO L267 ElimStorePlain]: Start of recursive call 132: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2018-02-04 12:57:14,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-02-04 12:57:14,757 INFO L267 ElimStorePlain]: Start of recursive call 136: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:14,775 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,776 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,778 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:14,780 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,803 INFO L267 ElimStorePlain]: Start of recursive call 135: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2018-02-04 12:57:14,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-02-04 12:57:14,809 INFO L267 ElimStorePlain]: Start of recursive call 139: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:14,827 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,828 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,829 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:14,832 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,856 INFO L267 ElimStorePlain]: Start of recursive call 138: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2018-02-04 12:57:14,861 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,862 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,864 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 37 [2018-02-04 12:57:14,867 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 27 [2018-02-04 12:57:14,899 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-02-04 12:57:14,902 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,914 INFO L267 ElimStorePlain]: Start of recursive call 141: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 95 [2018-02-04 12:57:14,920 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,920 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,922 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 33 [2018-02-04 12:57:14,923 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-02-04 12:57:14,945 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,953 INFO L267 ElimStorePlain]: Start of recursive call 145: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2018-02-04 12:57:14,958 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,959 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:14,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 37 [2018-02-04 12:57:14,963 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:14,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-02-04 12:57:14,987 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:14,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 27 [2018-02-04 12:57:14,988 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,000 INFO L267 ElimStorePlain]: Start of recursive call 148: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 95 [2018-02-04 12:57:15,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,007 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 33 [2018-02-04 12:57:15,008 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-02-04 12:57:15,022 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,030 INFO L267 ElimStorePlain]: Start of recursive call 152: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 95 [2018-02-04 12:57:15,035 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,036 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,038 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 33 [2018-02-04 12:57:15,038 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-02-04 12:57:15,053 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,062 INFO L267 ElimStorePlain]: Start of recursive call 155: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 95 [2018-02-04 12:57:15,074 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,074 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,076 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 33 [2018-02-04 12:57:15,077 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-02-04 12:57:15,092 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,100 INFO L267 ElimStorePlain]: Start of recursive call 158: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 95 [2018-02-04 12:57:15,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-02-04 12:57:15,105 INFO L267 ElimStorePlain]: Start of recursive call 162: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:15,122 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,122 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,124 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2018-02-04 12:57:15,125 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,136 INFO L267 ElimStorePlain]: Start of recursive call 161: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 91 [2018-02-04 12:57:15,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-02-04 12:57:15,141 INFO L267 ElimStorePlain]: Start of recursive call 165: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:15,157 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,158 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,160 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:15,162 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,182 INFO L267 ElimStorePlain]: Start of recursive call 164: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2018-02-04 12:57:15,187 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,187 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,189 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 37 [2018-02-04 12:57:15,191 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-02-04 12:57:15,215 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 27 [2018-02-04 12:57:15,217 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,228 INFO L267 ElimStorePlain]: Start of recursive call 167: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 90 [2018-02-04 12:57:15,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-02-04 12:57:15,234 INFO L267 ElimStorePlain]: Start of recursive call 172: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:15,252 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,253 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,255 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:15,257 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,281 INFO L267 ElimStorePlain]: Start of recursive call 171: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 91 [2018-02-04 12:57:15,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-02-04 12:57:15,288 INFO L267 ElimStorePlain]: Start of recursive call 175: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:15,303 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,304 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,306 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:15,308 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,329 INFO L267 ElimStorePlain]: Start of recursive call 174: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 91 [2018-02-04 12:57:15,333 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,334 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,335 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 37 [2018-02-04 12:57:15,338 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2018-02-04 12:57:15,364 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 27 [2018-02-04 12:57:15,366 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:15,378 INFO L267 ElimStorePlain]: Start of recursive call 177: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 91 [2018-02-04 12:57:15,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 20 [2018-02-04 12:57:15,384 INFO L267 ElimStorePlain]: Start of recursive call 182: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:15,400 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,401 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,403 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:15,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 31 [2018-02-04 12:57:15,405 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:15,430 INFO L267 ElimStorePlain]: Start of recursive call 181: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:16,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 6 dim-2 vars, End of recursive call: 109 dim-0 vars, and 49 xjuncts. [2018-02-04 12:57:16,557 INFO L202 ElimStorePlain]: Needed 183 recursive calls to eliminate 17 variables, input treesize:626, output treesize:2111 [2018-02-04 12:57:16,987 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 788 DAG size of output 46 [2018-02-04 12:57:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:57:17,173 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:57:17,173 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25] total 40 [2018-02-04 12:57:17,173 INFO L409 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-02-04 12:57:17,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-02-04 12:57:17,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1528, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 12:57:17,174 INFO L87 Difference]: Start difference. First operand 210 states and 234 transitions. Second operand 41 states. [2018-02-04 12:57:20,524 WARN L146 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 247 DAG size of output 84 [2018-02-04 12:57:21,118 WARN L146 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 242 DAG size of output 77 [2018-02-04 12:57:21,826 WARN L146 SmtUtils]: Spent 272ms on a formula simplification. DAG size of input: 471 DAG size of output 119 [2018-02-04 12:57:22,832 WARN L146 SmtUtils]: Spent 218ms on a formula simplification. DAG size of input: 350 DAG size of output 112 [2018-02-04 12:57:23,018 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 153 DAG size of output 99 [2018-02-04 12:57:23,923 WARN L146 SmtUtils]: Spent 249ms on a formula simplification. DAG size of input: 363 DAG size of output 126 [2018-02-04 12:57:24,106 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 166 DAG size of output 96 [2018-02-04 12:57:24,287 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 194 DAG size of output 85 [2018-02-04 12:57:24,526 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 209 DAG size of output 90 [2018-02-04 12:57:24,703 WARN L146 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 128 DAG size of output 86 [2018-02-04 12:57:25,597 WARN L146 SmtUtils]: Spent 429ms on a formula simplification. DAG size of input: 471 DAG size of output 247 [2018-02-04 12:57:25,925 WARN L146 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 252 DAG size of output 95 [2018-02-04 12:57:26,234 WARN L146 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 175 DAG size of output 111 [2018-02-04 12:57:27,126 WARN L146 SmtUtils]: Spent 273ms on a formula simplification. DAG size of input: 399 DAG size of output 207 [2018-02-04 12:57:27,665 WARN L146 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 322 DAG size of output 107 [2018-02-04 12:57:28,149 WARN L146 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 249 DAG size of output 88 [2018-02-04 12:57:29,183 WARN L146 SmtUtils]: Spent 366ms on a formula simplification. DAG size of input: 379 DAG size of output 251 [2018-02-04 12:57:30,169 WARN L146 SmtUtils]: Spent 382ms on a formula simplification. DAG size of input: 539 DAG size of output 142 [2018-02-04 12:57:30,795 WARN L146 SmtUtils]: Spent 282ms on a formula simplification. DAG size of input: 473 DAG size of output 123 [2018-02-04 12:57:31,562 WARN L146 SmtUtils]: Spent 200ms on a formula simplification. DAG size of input: 345 DAG size of output 107 [2018-02-04 12:57:32,305 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 244 DAG size of output 171 [2018-02-04 12:57:33,005 WARN L146 SmtUtils]: Spent 237ms on a formula simplification. DAG size of input: 358 DAG size of output 121 [2018-02-04 12:57:33,261 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 204 DAG size of output 85 [2018-02-04 12:57:33,841 WARN L146 SmtUtils]: Spent 396ms on a formula simplification. DAG size of input: 466 DAG size of output 242 [2018-02-04 12:57:34,033 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 247 DAG size of output 90 [2018-02-04 12:57:34,492 WARN L146 SmtUtils]: Spent 243ms on a formula simplification. DAG size of input: 394 DAG size of output 202 [2018-02-04 12:57:34,785 WARN L146 SmtUtils]: Spent 181ms on a formula simplification. DAG size of input: 317 DAG size of output 102 [2018-02-04 12:57:35,578 WARN L146 SmtUtils]: Spent 348ms on a formula simplification. DAG size of input: 374 DAG size of output 246 [2018-02-04 12:57:36,163 WARN L146 SmtUtils]: Spent 389ms on a formula simplification. DAG size of input: 534 DAG size of output 137 [2018-02-04 12:57:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:57:36,950 INFO L93 Difference]: Finished difference Result 325 states and 350 transitions. [2018-02-04 12:57:36,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-02-04 12:57:36,951 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 54 [2018-02-04 12:57:36,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:57:36,951 INFO L225 Difference]: With dead ends: 325 [2018-02-04 12:57:36,951 INFO L226 Difference]: Without dead ends: 325 [2018-02-04 12:57:36,952 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4024 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=2770, Invalid=12236, Unknown=0, NotChecked=0, Total=15006 [2018-02-04 12:57:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-04 12:57:36,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 221. [2018-02-04 12:57:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-02-04 12:57:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-02-04 12:57:36,954 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 54 [2018-02-04 12:57:36,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:57:36,954 INFO L432 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-02-04 12:57:36,954 INFO L433 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-02-04 12:57:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-02-04 12:57:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 12:57:36,955 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:57:36,955 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:57:36,955 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:57:36,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1170308456, now seen corresponding path program 1 times [2018-02-04 12:57:36,955 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:57:36,955 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:57:36,955 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:57:36,956 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 12:57:36,956 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:57:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:57:36,968 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:57:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:57:37,277 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:57:37,277 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-04 12:57:37,282 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:57:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:57:37,304 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:57:37,309 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,310 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:57:37,310 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,312 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-02-04 12:57:37,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-02-04 12:57:37,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-02-04 12:57:37,314 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,318 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-02-04 12:57:37,326 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,327 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:57:37,327 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,330 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:25 [2018-02-04 12:57:37,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 23 [2018-02-04 12:57:37,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:57:37,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:57:37,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:57:37,372 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,373 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,378 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:50, output treesize:39 [2018-02-04 12:57:37,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 55 [2018-02-04 12:57:37,400 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 36 [2018-02-04 12:57:37,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,405 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 12:57:37,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 12:57:37,426 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,429 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,435 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:79, output treesize:63 [2018-02-04 12:57:37,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2018-02-04 12:57:37,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 56 [2018-02-04 12:57:37,461 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,474 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-02-04 12:57:37,478 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-02-04 12:57:37,478 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,482 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,488 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:82, output treesize:66 [2018-02-04 12:57:37,561 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-02-04 12:57:37,566 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 17 [2018-02-04 12:57:37,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-02-04 12:57:37,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 12:57:37,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:37,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:185 [2018-02-04 12:57:37,724 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-04 12:57:37,724 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 12:57:37,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:37,749 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:203, output treesize:62 [2018-02-04 12:57:37,841 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,841 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:37,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2018-02-04 12:57:37,844 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:37,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 18 [2018-02-04 12:57:37,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,850 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,850 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 12:57:37,850 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-02-04 12:57:37,851 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,853 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,857 INFO L267 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. [2018-02-04 12:57:37,857 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:71, output treesize:19 [2018-02-04 12:57:37,881 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,882 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:37,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-02-04 12:57:37,882 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:37,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-02-04 12:57:37,896 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:73, output treesize:64 [2018-02-04 12:57:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:57:37,958 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:57:37,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 34 [2018-02-04 12:57:37,958 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 12:57:37,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 12:57:37,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 12:57:37,958 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 35 states. [2018-02-04 12:57:40,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 12:57:40,177 INFO L93 Difference]: Finished difference Result 242 states and 270 transitions. [2018-02-04 12:57:40,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 12:57:40,177 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 55 [2018-02-04 12:57:40,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 12:57:40,178 INFO L225 Difference]: With dead ends: 242 [2018-02-04 12:57:40,178 INFO L226 Difference]: Without dead ends: 242 [2018-02-04 12:57:40,178 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 43 SyntacticMatches, 4 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1006, Invalid=5156, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 12:57:40,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-02-04 12:57:40,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 222. [2018-02-04 12:57:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-02-04 12:57:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2018-02-04 12:57:40,180 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 55 [2018-02-04 12:57:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 12:57:40,180 INFO L432 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2018-02-04 12:57:40,180 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 12:57:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2018-02-04 12:57:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 12:57:40,181 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 12:57:40,181 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 12:57:40,181 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr24EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 12:57:40,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1644369872, now seen corresponding path program 4 times [2018-02-04 12:57:40,181 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 12:57:40,181 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 12:57:40,182 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:57:40,182 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 12:57:40,182 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 12:57:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 12:57:40,187 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 12:57:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:57:40,444 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 12:57:40,444 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 12:57:40,449 INFO L109 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-02-04 12:57:40,477 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-02-04 12:57:40,477 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 12:57:40,479 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 12:57:40,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,496 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:57:40,496 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,499 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:12 [2018-02-04 12:57:40,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 12:57:40,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 12:57:40,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,513 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-02-04 12:57:40,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-02-04 12:57:40,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-02-04 12:57:40,534 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:40,543 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-02-04 12:57:40,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-02-04 12:57:40,567 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 45 [2018-02-04 12:57:40,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:40,577 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:47 [2018-02-04 12:57:40,623 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,623 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:57:40,624 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:40,628 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:44 [2018-02-04 12:57:40,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 67 [2018-02-04 12:57:40,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 56 [2018-02-04 12:57:40,690 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:40,712 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:51 [2018-02-04 12:57:40,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 67 [2018-02-04 12:57:40,744 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 88 [2018-02-04 12:57:40,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 12:57:40,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:92, output treesize:84 [2018-02-04 12:57:40,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 89 [2018-02-04 12:57:40,801 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 111 [2018-02-04 12:57:40,802 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:57:40,832 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,833 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:57:40,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 113 [2018-02-04 12:57:40,838 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 12:57:40,866 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 12:57:40,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 12:57:40,883 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:161 [2018-02-04 12:57:56,937 WARN L143 SmtUtils]: Spent 14026ms on a formula simplification that was a NOOP. DAG size: 33 [2018-02-04 12:58:10,804 WARN L143 SmtUtils]: Spent 13838ms on a formula simplification that was a NOOP. DAG size: 33 [2018-02-04 12:58:37,070 WARN L146 SmtUtils]: Spent 26223ms on a formula simplification. DAG size of input: 43 DAG size of output 42 [2018-02-04 12:58:39,170 WARN L143 SmtUtils]: Spent 2029ms on a formula simplification that was a NOOP. DAG size: 89 [2018-02-04 12:58:41,244 WARN L143 SmtUtils]: Spent 2011ms on a formula simplification that was a NOOP. DAG size: 89 [2018-02-04 12:58:41,250 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-04 12:58:41,250 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 85 [2018-02-04 12:58:41,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 107 [2018-02-04 12:58:41,299 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-02-04 12:58:41,319 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 13 variables, input treesize:429, output treesize:193 [2018-02-04 12:58:41,430 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:58:41,430 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:58:41,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 12:58:41,431 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,446 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:58:41,448 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:58:41,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 76 [2018-02-04 12:58:41,461 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 91 [2018-02-04 12:58:41,462 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 12:58:41,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 46 [2018-02-04 12:58:41,492 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,512 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:58:41,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2018-02-04 12:58:41,519 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 6 xjuncts. [2018-02-04 12:58:41,554 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 12:58:41,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 60 [2018-02-04 12:58:41,560 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 5 xjuncts. [2018-02-04 12:58:41,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-02-04 12:58:41,603 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 25 [2018-02-04 12:58:41,604 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2018-02-04 12:58:41,605 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-02-04 12:58:41,606 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 12:58:41,629 INFO L267 ElimStorePlain]: Start of recursive call 3: 5 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-02-04 12:58:41,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-02-04 12:58:41,659 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:125, output treesize:92 [2018-02-04 12:58:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 12:58:41,790 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 12:58:41,790 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27] total 40 [2018-02-04 12:58:41,790 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 12:58:41,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 12:58:41,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1446, Unknown=5, NotChecked=0, Total=1560 [2018-02-04 12:58:41,791 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 40 states. [2018-02-04 12:59:21,033 WARN L146 SmtUtils]: Spent 26098ms on a formula simplification. DAG size of input: 91 DAG size of output 79 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown