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/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 01:02:54,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 01:02:54,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 01:02:54,723 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 01:02:54,724 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 01:02:54,725 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 01:02:54,726 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 01:02:54,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 01:02:54,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 01:02:54,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 01:02:54,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 01:02:54,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 01:02:54,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 01:02:54,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 01:02:54,733 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 01:02:54,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 01:02:54,738 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 01:02:54,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 01:02:54,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 01:02:54,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 01:02:54,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-21 01:02:54,745 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-21 01:02:54,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-21 01:02:54,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-21 01:02:54,747 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-21 01:02:54,748 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-21 01:02:54,748 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-21 01:02:54,749 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-21 01:02:54,749 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-21 01:02:54,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 01:02:54,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 01:02:54,750 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf [2018-01-21 01:02:54,760 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 01:02:54,760 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 01:02:54,761 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 01:02:54,761 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 01:02:54,762 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 01:02:54,762 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-21 01:02:54,762 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 01:02:54,762 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 01:02:54,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 01:02:54,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 01:02:54,763 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 01:02:54,763 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 01:02:54,764 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 01:02:54,764 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 01:02:54,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 01:02:54,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 01:02:54,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 01:02:54,765 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 01:02:54,765 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 01:02:54,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 01:02:54,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 01:02:54,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 01:02:54,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 01:02:54,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 01:02:54,766 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 01:02:54,766 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 01:02:54,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 01:02:54,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 01:02:54,767 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 01:02:54,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 01:02:54,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 01:02:54,767 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 01:02:54,767 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 01:02:54,768 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 01:02:54,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 01:02:54,768 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 01:02:54,768 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 01:02:54,769 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 01:02:54,769 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 01:02:54,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 01:02:54,812 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 01:02:54,815 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 01:02:54,817 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 01:02:54,817 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 01:02:54,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-01-21 01:02:54,975 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 01:02:54,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 01:02:54,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 01:02:54,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 01:02:54,986 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 01:02:54,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 01:02:54" (1/1) ... [2018-01-21 01:02:54,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dd09ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:54, skipping insertion in model container [2018-01-21 01:02:54,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 01:02:54" (1/1) ... [2018-01-21 01:02:55,004 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 01:02:55,043 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 01:02:55,168 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 01:02:55,196 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 01:02:55,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55 WrapperNode [2018-01-21 01:02:55,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 01:02:55,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 01:02:55,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 01:02:55,207 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 01:02:55,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... [2018-01-21 01:02:55,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... [2018-01-21 01:02:55,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... [2018-01-21 01:02:55,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... [2018-01-21 01:02:55,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... [2018-01-21 01:02:55,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... [2018-01-21 01:02:55,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... [2018-01-21 01:02:55,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 01:02:55,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 01:02:55,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 01:02:55,246 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 01:02:55,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (1/1) ... No working directory specified, using /storage/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 [2018-01-21 01:02:55,291 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 01:02:55,292 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 01:02:55,292 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 01:02:55,292 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 01:02:55,292 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 01:02:55,292 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 01:02:55,292 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 01:02:55,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 01:02:55,292 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 01:02:55,292 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 01:02:55,293 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 01:02:55,293 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 01:02:55,293 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 01:02:55,293 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-21 01:02:55,293 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 01:02:55,293 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 01:02:55,293 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 01:02:55,703 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 01:02:55,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 01:02:55 BoogieIcfgContainer [2018-01-21 01:02:55,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 01:02:55,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 01:02:55,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 01:02:55,706 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 01:02:55,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 01:02:54" (1/3) ... [2018-01-21 01:02:55,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4ebc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 01:02:55, skipping insertion in model container [2018-01-21 01:02:55,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 01:02:55" (2/3) ... [2018-01-21 01:02:55,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4ebc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 01:02:55, skipping insertion in model container [2018-01-21 01:02:55,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 01:02:55" (3/3) ... [2018-01-21 01:02:55,710 INFO L105 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-01-21 01:02:55,717 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 01:02:55,723 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-21 01:02:55,760 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 01:02:55,761 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 01:02:55,761 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 01:02:55,761 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 01:02:55,761 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 01:02:55,761 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 01:02:55,762 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 01:02:55,762 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 01:02:55,763 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 01:02:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2018-01-21 01:02:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 01:02:55,790 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:55,790 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 01:02:55,791 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 01:02:55,794 INFO L82 PathProgramCache]: Analyzing trace with hash 267889, now seen corresponding path program 1 times [2018-01-21 01:02:55,796 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:55,842 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:55,842 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:55,842 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:55,842 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 01:02:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 01:02:55,897 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 01:02:55,903 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 01:02:55,909 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 01:02:55,909 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 01:02:55,909 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 01:02:55,909 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 01:02:55,909 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 01:02:55,910 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 01:02:55,910 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 01:02:55,910 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 01:02:55,910 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 01:02:55,913 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2018-01-21 01:02:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 01:02:55,915 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:55,916 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:55,916 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 01:02:55,916 INFO L82 PathProgramCache]: Analyzing trace with hash 2122179741, now seen corresponding path program 1 times [2018-01-21 01:02:55,916 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:55,918 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:55,918 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:55,919 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:55,919 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:55,961 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:02:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:02:56,111 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 01:02:56,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 01:02:56,111 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 01:02:56,114 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 01:02:56,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 01:02:56,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 01:02:56,132 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 2 states. [2018-01-21 01:02:56,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:02:56,157 INFO L93 Difference]: Finished difference Result 177 states and 235 transitions. [2018-01-21 01:02:56,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 01:02:56,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-01-21 01:02:56,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:02:56,168 INFO L225 Difference]: With dead ends: 177 [2018-01-21 01:02:56,168 INFO L226 Difference]: Without dead ends: 94 [2018-01-21 01:02:56,170 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 01:02:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-01-21 01:02:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-01-21 01:02:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 01:02:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2018-01-21 01:02:56,204 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 27 [2018-01-21 01:02:56,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:02:56,205 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2018-01-21 01:02:56,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 01:02:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2018-01-21 01:02:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 01:02:56,206 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:56,206 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:56,206 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 01:02:56,206 INFO L82 PathProgramCache]: Analyzing trace with hash 798686160, now seen corresponding path program 1 times [2018-01-21 01:02:56,207 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:56,208 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:56,208 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:56,208 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:56,208 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:56,238 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:02:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:02:56,376 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 01:02:56,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-21 01:02:56,376 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 01:02:56,378 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-21 01:02:56,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-21 01:02:56,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-21 01:02:56,379 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand 8 states. [2018-01-21 01:02:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:02:56,753 INFO L93 Difference]: Finished difference Result 155 states and 168 transitions. [2018-01-21 01:02:56,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 01:02:56,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-01-21 01:02:56,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:02:56,759 INFO L225 Difference]: With dead ends: 155 [2018-01-21 01:02:56,760 INFO L226 Difference]: Without dead ends: 135 [2018-01-21 01:02:56,761 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-01-21 01:02:56,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-01-21 01:02:56,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 96. [2018-01-21 01:02:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-01-21 01:02:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2018-01-21 01:02:56,770 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 36 [2018-01-21 01:02:56,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:02:56,770 INFO L432 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2018-01-21 01:02:56,770 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-21 01:02:56,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2018-01-21 01:02:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-21 01:02:56,772 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:56,772 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:56,772 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 01:02:56,772 INFO L82 PathProgramCache]: Analyzing trace with hash -611659746, now seen corresponding path program 1 times [2018-01-21 01:02:56,772 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:56,773 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:56,774 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:56,774 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:56,774 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:56,800 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:02:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:02:56,948 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 01:02:56,948 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-21 01:02:56,949 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 01:02:56,949 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-21 01:02:56,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-21 01:02:56,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-21 01:02:56,950 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand 8 states. [2018-01-21 01:02:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:02:57,192 INFO L93 Difference]: Finished difference Result 132 states and 140 transitions. [2018-01-21 01:02:57,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 01:02:57,192 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-01-21 01:02:57,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:02:57,194 INFO L225 Difference]: With dead ends: 132 [2018-01-21 01:02:57,195 INFO L226 Difference]: Without dead ends: 126 [2018-01-21 01:02:57,195 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-01-21 01:02:57,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-01-21 01:02:57,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 98. [2018-01-21 01:02:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-01-21 01:02:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 103 transitions. [2018-01-21 01:02:57,205 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 103 transitions. Word has length 42 [2018-01-21 01:02:57,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:02:57,205 INFO L432 AbstractCegarLoop]: Abstraction has 98 states and 103 transitions. [2018-01-21 01:02:57,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-21 01:02:57,206 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2018-01-21 01:02:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-01-21 01:02:57,207 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:57,207 INFO L322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:57,208 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 01:02:57,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1884398603, now seen corresponding path program 1 times [2018-01-21 01:02:57,208 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:57,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,209 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:57,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,210 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 01:02:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 01:02:57,276 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 01:02:57,288 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 01:02:57,299 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 01:02:57,300 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 01:02:57,318 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 01:02:57,318 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 01:02:57,318 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 01:02:57,318 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 01:02:57,319 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 01:02:57,319 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 01:02:57,319 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 01:02:57,319 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 01:02:57,319 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 01:02:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2018-01-21 01:02:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-21 01:02:57,323 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:57,323 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:57,323 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 01:02:57,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1342988930, now seen corresponding path program 1 times [2018-01-21 01:02:57,324 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:57,325 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,325 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:57,326 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,326 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:57,338 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:02:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:02:57,355 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 01:02:57,355 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 01:02:57,355 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 01:02:57,356 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 01:02:57,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 01:02:57,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 01:02:57,356 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 2 states. [2018-01-21 01:02:57,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:02:57,362 INFO L93 Difference]: Finished difference Result 177 states and 235 transitions. [2018-01-21 01:02:57,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 01:02:57,363 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-21 01:02:57,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:02:57,364 INFO L225 Difference]: With dead ends: 177 [2018-01-21 01:02:57,365 INFO L226 Difference]: Without dead ends: 92 [2018-01-21 01:02:57,366 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 01:02:57,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-01-21 01:02:57,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-01-21 01:02:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-01-21 01:02:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-01-21 01:02:57,373 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 25 [2018-01-21 01:02:57,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:02:57,374 INFO L432 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-01-21 01:02:57,374 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 01:02:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-01-21 01:02:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 01:02:57,375 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:57,375 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:57,375 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 01:02:57,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1210340747, now seen corresponding path program 1 times [2018-01-21 01:02:57,376 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:57,377 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,378 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:57,378 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,378 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:57,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:02:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:02:57,480 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 01:02:57,480 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-21 01:02:57,481 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 01:02:57,481 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-21 01:02:57,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-21 01:02:57,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-21 01:02:57,482 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 8 states. [2018-01-21 01:02:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:02:57,701 INFO L93 Difference]: Finished difference Result 151 states and 163 transitions. [2018-01-21 01:02:57,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 01:02:57,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-01-21 01:02:57,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:02:57,703 INFO L225 Difference]: With dead ends: 151 [2018-01-21 01:02:57,703 INFO L226 Difference]: Without dead ends: 133 [2018-01-21 01:02:57,704 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-01-21 01:02:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-01-21 01:02:57,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 94. [2018-01-21 01:02:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-01-21 01:02:57,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2018-01-21 01:02:57,711 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 34 [2018-01-21 01:02:57,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:02:57,711 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2018-01-21 01:02:57,711 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-21 01:02:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2018-01-21 01:02:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-01-21 01:02:57,713 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:57,713 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:57,713 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation]=== [2018-01-21 01:02:57,713 INFO L82 PathProgramCache]: Analyzing trace with hash -961529277, now seen corresponding path program 1 times [2018-01-21 01:02:57,714 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:57,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,715 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:57,715 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,715 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:57,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:02:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:02:57,833 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 01:02:57,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-21 01:02:57,833 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 01:02:57,833 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-21 01:02:57,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-21 01:02:57,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-21 01:02:57,834 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand 8 states. [2018-01-21 01:02:57,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:02:57,985 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2018-01-21 01:02:57,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 01:02:57,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-01-21 01:02:57,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:02:57,986 INFO L225 Difference]: With dead ends: 128 [2018-01-21 01:02:57,987 INFO L226 Difference]: Without dead ends: 124 [2018-01-21 01:02:57,987 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-01-21 01:02:57,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-01-21 01:02:57,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 96. [2018-01-21 01:02:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-01-21 01:02:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2018-01-21 01:02:57,993 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 40 [2018-01-21 01:02:57,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:02:57,994 INFO L432 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2018-01-21 01:02:57,994 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-21 01:02:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2018-01-21 01:02:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-01-21 01:02:57,995 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:02:57,995 INFO L322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:02:57,995 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation]=== [2018-01-21 01:02:57,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1660607120, now seen corresponding path program 1 times [2018-01-21 01:02:57,995 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:02:57,996 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,997 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:57,997 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:02:57,997 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:02:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:58,014 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:02:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:02:58,488 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:02:58,488 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 01:02:58,489 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 49 with the following transitions: [2018-01-21 01:02:58,491 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [14], [16], [19], [104], [108], [113], [117], [125], [126], [131], [135], [143], [147], [149], [150], [193], [195], [196], [202], [206], [208], [209], [220], [221], [222], [223], [224], [229], [230], [232], [233], [234], [240], [241], [242] [2018-01-21 01:02:58,546 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 01:02:58,546 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 01:02:59,124 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-21 01:02:59,126 INFO L268 AbstractInterpreter]: Visited 46 different actions 89 times. Merged at 19 different actions 38 times. Never widened. Found 4 fixpoints after 4 different actions. Largest state had 35 variables. [2018-01-21 01:02:59,134 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-21 01:02:59,134 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:02:59,134 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-21 01:02:59,147 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:59,159 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 01:02:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:02:59,197 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:02:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:02:59,506 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:02:59,551 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-01-21 01:02:59,560 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 14 [2018-01-21 01:02:59,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:02:59,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:02:59,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:02:59,579 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:68, output treesize:45 [2018-01-21 01:02:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:02:59,950 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:02:59,950 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-21 01:02:59,954 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:02:59,954 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 01:02:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:00,004 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:00,247 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 7 treesize of output 5 [2018-01-21 01:03:00,249 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 [2018-01-21 01:03:00,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,264 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-01-21 01:03:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:00,400 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:00,409 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-01-21 01:03:00,419 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 14 [2018-01-21 01:03:00,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,421 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:00,425 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:18 [2018-01-21 01:03:00,493 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 13 treesize of output 11 [2018-01-21 01:03:00,495 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 6 treesize of output 1 [2018-01-21 01:03:00,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,496 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,497 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 18 treesize of output 16 [2018-01-21 01:03:00,499 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 6 treesize of output 1 [2018-01-21 01:03:00,499 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,500 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,501 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 13 treesize of output 11 [2018-01-21 01:03:00,502 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 6 treesize of output 1 [2018-01-21 01:03:00,502 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,503 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:00,507 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:00,507 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:45, output treesize:18 [2018-01-21 01:03:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:03:00,687 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-21 01:03:00,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10, 10, 10] total 39 [2018-01-21 01:03:00,687 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-21 01:03:00,688 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-21 01:03:00,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-21 01:03:00,689 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1360, Unknown=25, NotChecked=0, Total=1560 [2018-01-21 01:03:00,689 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand 18 states. [2018-01-21 01:03:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:03:02,030 INFO L93 Difference]: Finished difference Result 165 states and 177 transitions. [2018-01-21 01:03:02,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-21 01:03:02,030 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 48 [2018-01-21 01:03:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:03:02,031 INFO L225 Difference]: With dead ends: 165 [2018-01-21 01:03:02,031 INFO L226 Difference]: Without dead ends: 161 [2018-01-21 01:03:02,032 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 161 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=328, Invalid=2097, Unknown=25, NotChecked=0, Total=2450 [2018-01-21 01:03:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-21 01:03:02,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 132. [2018-01-21 01:03:02,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-01-21 01:03:02,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 141 transitions. [2018-01-21 01:03:02,043 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 141 transitions. Word has length 48 [2018-01-21 01:03:02,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:03:02,043 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 141 transitions. [2018-01-21 01:03:02,043 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-21 01:03:02,044 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-01-21 01:03:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-01-21 01:03:02,045 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:03:02,045 INFO L322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:03:02,045 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation]=== [2018-01-21 01:03:02,045 INFO L82 PathProgramCache]: Analyzing trace with hash 882290359, now seen corresponding path program 1 times [2018-01-21 01:03:02,045 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:03:02,047 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:02,047 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:02,047 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:02,047 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:03:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:02,064 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:03:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:03:02,185 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:02,185 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 01:03:02,186 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 51 with the following transitions: [2018-01-21 01:03:02,186 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [14], [16], [19], [104], [108], [113], [117], [125], [126], [131], [135], [143], [147], [149], [150], [193], [195], [196], [202], [206], [208], [209], [212], [213], [214], [215], [216], [217], [218], [229], [230], [232], [233], [234], [240], [241], [242] [2018-01-21 01:03:02,188 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 01:03:02,188 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 01:03:02,579 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-21 01:03:02,580 INFO L268 AbstractInterpreter]: Visited 48 different actions 84 times. Merged at 21 different actions 32 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 37 variables. [2018-01-21 01:03:02,582 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-21 01:03:02,582 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:02,582 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-21 01:03:02,594 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:02,595 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 01:03:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:02,623 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:02,630 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 [2018-01-21 01:03:02,632 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 [2018-01-21 01:03:02,632 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:02,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:02,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:02,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-01-21 01:03:02,640 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 19 treesize of output 15 [2018-01-21 01:03:02,642 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 15 treesize of output 3 [2018-01-21 01:03:02,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:02,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:02,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:02,645 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-01-21 01:03:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:02,657 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:02,726 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-01-21 01:03:02,726 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [8] total 9 [2018-01-21 01:03:02,726 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 01:03:02,727 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-21 01:03:02,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-21 01:03:02,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-21 01:03:02,727 INFO L87 Difference]: Start difference. First operand 132 states and 141 transitions. Second operand 4 states. [2018-01-21 01:03:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:03:02,771 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-01-21 01:03:02,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-21 01:03:02,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-01-21 01:03:02,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:03:02,773 INFO L225 Difference]: With dead ends: 152 [2018-01-21 01:03:02,773 INFO L226 Difference]: Without dead ends: 134 [2018-01-21 01:03:02,773 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-01-21 01:03:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-01-21 01:03:02,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2018-01-21 01:03:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-01-21 01:03:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 140 transitions. [2018-01-21 01:03:02,779 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 140 transitions. Word has length 50 [2018-01-21 01:03:02,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:03:02,779 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 140 transitions. [2018-01-21 01:03:02,779 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-21 01:03:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2018-01-21 01:03:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-21 01:03:02,780 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:03:02,780 INFO L322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:03:02,780 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation]=== [2018-01-21 01:03:02,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1052339299, now seen corresponding path program 2 times [2018-01-21 01:03:02,780 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:03:02,781 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:02,781 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:02,781 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:02,781 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:03:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:02,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:03:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:03:02,930 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:02,930 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 01:03:02,930 INFO L183 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-01-21 01:03:02,931 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-21 01:03:02,931 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:02,931 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-21 01:03:02,936 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-21 01:03:02,936 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-21 01:03:02,951 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-21 01:03:02,990 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-21 01:03:02,992 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-21 01:03:02,995 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:03,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-01-21 01:03:03,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-21 01:03:03,113 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,114 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,115 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-01-21 01:03:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:03:03,189 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:03,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-01-21 01:03:03,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-01-21 01:03:03,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,252 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 11 treesize of output 9 [2018-01-21 01:03:03,253 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:03,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:03,259 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-01-21 01:03:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:03:03,287 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:03,287 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-21 01:03:03,290 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-21 01:03:03,290 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-01-21 01:03:03,308 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-21 01:03:03,392 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-21 01:03:03,409 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-21 01:03:03,415 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:03,485 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 19 treesize of output 16 [2018-01-21 01:03:03,486 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 16 treesize of output 1 [2018-01-21 01:03:03,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:7 [2018-01-21 01:03:03,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-01-21 01:03:03,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-21 01:03:03,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,580 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:7 [2018-01-21 01:03:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:03:03,655 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:03,826 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:03,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:03,834 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 13 treesize of output 11 [2018-01-21 01:03:03,836 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 6 treesize of output 1 [2018-01-21 01:03:03,836 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:03,838 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:32, output treesize:3 [2018-01-21 01:03:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 01:03:03,850 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-21 01:03:03,850 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 11, 14, 13] total 44 [2018-01-21 01:03:03,850 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-21 01:03:03,851 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-01-21 01:03:03,851 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-01-21 01:03:03,851 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1726, Unknown=0, NotChecked=0, Total=1892 [2018-01-21 01:03:03,851 INFO L87 Difference]: Start difference. First operand 132 states and 140 transitions. Second operand 21 states. [2018-01-21 01:03:04,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:03:04,585 INFO L93 Difference]: Finished difference Result 241 states and 261 transitions. [2018-01-21 01:03:04,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-21 01:03:04,585 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 56 [2018-01-21 01:03:04,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:03:04,586 INFO L225 Difference]: With dead ends: 241 [2018-01-21 01:03:04,586 INFO L226 Difference]: Without dead ends: 155 [2018-01-21 01:03:04,588 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=347, Invalid=3075, Unknown=0, NotChecked=0, Total=3422 [2018-01-21 01:03:04,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-01-21 01:03:04,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 115. [2018-01-21 01:03:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-01-21 01:03:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 123 transitions. [2018-01-21 01:03:04,593 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 123 transitions. Word has length 56 [2018-01-21 01:03:04,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:03:04,593 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 123 transitions. [2018-01-21 01:03:04,593 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-01-21 01:03:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 123 transitions. [2018-01-21 01:03:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-01-21 01:03:04,594 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:03:04,594 INFO L322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:03:04,594 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolation]=== [2018-01-21 01:03:04,594 INFO L82 PathProgramCache]: Analyzing trace with hash -18262224, now seen corresponding path program 1 times [2018-01-21 01:03:04,594 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:03:04,595 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:04,595 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-21 01:03:04,595 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:04,595 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:03:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:04,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:03:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:04,978 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:04,978 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 01:03:04,978 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2018-01-21 01:03:04,978 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [14], [16], [19], [21], [22], [23], [24], [25], [26], [27], [28], [29], [30], [33], [34], [50], [51], [56], [60], [68], [69], [74], [78], [86], [91], [95], [104], [108], [113], [117], [125], [126], [131], [135], [143], [147], [149], [150], [193], [195], [196], [202], [206], [208], [209], [220], [221], [222], [223], [224], [229], [230], [232], [233], [234], [240], [241], [242] [2018-01-21 01:03:04,981 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 01:03:04,981 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 01:03:05,604 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-21 01:03:05,604 INFO L268 AbstractInterpreter]: Visited 69 different actions 178 times. Merged at 53 different actions 100 times. Widened at 1 different actions 1 times. Found 9 fixpoints after 8 different actions. Largest state had 45 variables. [2018-01-21 01:03:05,620 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-21 01:03:05,620 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:05,620 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-21 01:03:05,626 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:05,627 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 01:03:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:05,658 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:05,678 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 [2018-01-21 01:03:05,679 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,694 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-21 01:03:05,764 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:05,765 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:05,765 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 [2018-01-21 01:03:05,766 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,777 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-01-21 01:03:05,829 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 [2018-01-21 01:03:05,831 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 [2018-01-21 01:03:05,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,841 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 [2018-01-21 01:03:05,843 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 [2018-01-21 01:03:05,843 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,844 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,860 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-01-21 01:03:05,902 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:05,906 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 29 treesize of output 30 [2018-01-21 01:03:05,908 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 [2018-01-21 01:03:05,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,925 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:05,928 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 43 treesize of output 47 [2018-01-21 01:03:05,930 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 [2018-01-21 01:03:05,931 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,936 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:05,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:05,945 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:64, output treesize:48 [2018-01-21 01:03:05,998 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 28 treesize of output 26 [2018-01-21 01:03:06,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-21 01:03:06,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,005 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 [2018-01-21 01:03:06,005 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,007 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,011 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. [2018-01-21 01:03:06,011 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:56, output treesize:32 [2018-01-21 01:03:06,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-01-21 01:03:06,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-01-21 01:03:06,065 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:06,077 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:06,091 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. [2018-01-21 01:03:06,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:62 [2018-01-21 01:03:06,132 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:06,135 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 42 treesize of output 41 [2018-01-21 01:03:06,137 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:06,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-01-21 01:03:06,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,149 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:45, output treesize:26 [2018-01-21 01:03:06,178 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 35 treesize of output 23 [2018-01-21 01:03:06,180 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 18 treesize of output 9 [2018-01-21 01:03:06,180 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,185 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 5 treesize of output 1 [2018-01-21 01:03:06,185 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,187 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,197 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 31 treesize of output 21 [2018-01-21 01:03:06,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-01-21 01:03:06,199 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,204 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 [2018-01-21 01:03:06,204 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,206 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:06,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:06,211 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:67, output treesize:9 [2018-01-21 01:03:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:06,289 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:06,404 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:06,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:06,410 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:06,416 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:06,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-21 01:03:06,429 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:73, output treesize:53 [2018-01-21 01:03:06,981 WARN L146 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 37 DAG size of output 27 [2018-01-21 01:03:07,785 WARN L143 SmtUtils]: Spent 635ms on a formula simplification that was a NOOP. DAG size: 49 [2018-01-21 01:03:09,658 WARN L143 SmtUtils]: Spent 1781ms on a formula simplification that was a NOOP. DAG size: 50 [2018-01-21 01:03:09,667 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 208 [2018-01-21 01:03:09,711 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 9 treesize of output 8 [2018-01-21 01:03:09,711 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,740 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 155 treesize of output 149 [2018-01-21 01:03:09,743 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 144 treesize of output 133 [2018-01-21 01:03:09,743 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,751 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,753 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 152 treesize of output 150 [2018-01-21 01:03:09,760 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 6 treesize of output 1 [2018-01-21 01:03:09,761 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,781 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 153 treesize of output 147 [2018-01-21 01:03:09,795 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 144 treesize of output 133 [2018-01-21 01:03:09,796 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,803 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:09,886 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 105 [2018-01-21 01:03:09,920 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 9 treesize of output 8 [2018-01-21 01:03:09,920 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:09,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 67 [2018-01-21 01:03:10,014 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 [2018-01-21 01:03:10,014 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,016 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 45 treesize of output 44 [2018-01-21 01:03:10,016 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,084 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 51 treesize of output 63 [2018-01-21 01:03:10,084 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,086 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 40 treesize of output 50 [2018-01-21 01:03:10,086 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 51 [2018-01-21 01:03:10,171 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 37 treesize of output 21 [2018-01-21 01:03:10,172 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 25 [2018-01-21 01:03:10,209 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-01-21 01:03:10,244 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,269 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 10 [2018-01-21 01:03:10,270 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,297 INFO L267 ElimStorePlain]: Start of recursive call 17: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 49 [2018-01-21 01:03:10,310 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 48 [2018-01-21 01:03:10,314 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,325 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 59 [2018-01-21 01:03:10,426 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,426 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,427 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2018-01-21 01:03:10,427 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,432 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,433 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 39 treesize of output 30 [2018-01-21 01:03:10,433 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:10,506 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,507 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,507 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,511 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 1 case distinctions, treesize of input 38 treesize of output 39 [2018-01-21 01:03:10,511 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,515 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,516 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,517 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,518 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,526 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 2 case distinctions, treesize of input 39 treesize of output 47 [2018-01-21 01:03:10,527 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,594 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,600 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 37 treesize of output 32 [2018-01-21 01:03:10,601 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2018-01-21 01:03:10,608 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,657 INFO L267 ElimStorePlain]: Start of recursive call 24: 3 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:10,695 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:10,744 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 0 case distinctions, treesize of input 45 treesize of output 45 [2018-01-21 01:03:10,759 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 4 case distinctions, treesize of input 40 treesize of output 56 [2018-01-21 01:03:10,865 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,866 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,868 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,878 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 2 case distinctions, treesize of input 44 treesize of output 44 [2018-01-21 01:03:10,879 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,884 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,886 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,893 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 43 treesize of output 36 [2018-01-21 01:03:10,894 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,985 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:10,991 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 37 treesize of output 32 [2018-01-21 01:03:10,991 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:10,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2018-01-21 01:03:10,998 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:11,069 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,069 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,070 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2018-01-21 01:03:11,070 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,072 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,073 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,073 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 21 [2018-01-21 01:03:11,074 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,118 INFO L267 ElimStorePlain]: Start of recursive call 32: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:11,157 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:11,196 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:11,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 48 [2018-01-21 01:03:11,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-01-21 01:03:11,274 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,297 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 43 [2018-01-21 01:03:11,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 31 [2018-01-21 01:03:11,332 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:11,345 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 36 treesize of output 36 [2018-01-21 01:03:11,345 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:11,400 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 27 treesize of output 21 [2018-01-21 01:03:11,400 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,405 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 34 treesize of output 22 [2018-01-21 01:03:11,405 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,438 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:11,492 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 4 case distinctions, treesize of input 40 treesize of output 56 [2018-01-21 01:03:11,608 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,608 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 27 [2018-01-21 01:03:11,609 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,611 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,612 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,612 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2018-01-21 01:03:11,612 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,678 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-01-21 01:03:11,679 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:11,682 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,687 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 37 treesize of output 32 [2018-01-21 01:03:11,688 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:11,748 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,749 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,753 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 38 treesize of output 36 [2018-01-21 01:03:11,753 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:11,757 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,758 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,759 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:11,768 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 2 case distinctions, treesize of input 39 treesize of output 44 [2018-01-21 01:03:11,768 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:11,836 INFO L267 ElimStorePlain]: Start of recursive call 46: 3 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:11,890 INFO L267 ElimStorePlain]: Start of recursive call 39: 3 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:11,989 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:12,036 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:12,039 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 103 [2018-01-21 01:03:12,069 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 9 treesize of output 8 [2018-01-21 01:03:12,069 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,081 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 65 treesize of output 59 [2018-01-21 01:03:12,097 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 11 treesize of output 10 [2018-01-21 01:03:12,097 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,112 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 54 treesize of output 43 [2018-01-21 01:03:12,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 8 [2018-01-21 01:03:12,115 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,128 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2018-01-21 01:03:12,158 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 26 treesize of output 26 [2018-01-21 01:03:12,158 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2018-01-21 01:03:12,165 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,193 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 24 treesize of output 12 [2018-01-21 01:03:12,193 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-01-21 01:03:12,195 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,214 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:12,230 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:12,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 45 [2018-01-21 01:03:12,242 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 32 [2018-01-21 01:03:12,242 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,261 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 26 treesize of output 16 [2018-01-21 01:03:12,261 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,273 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 29 treesize of output 21 [2018-01-21 01:03:12,274 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-01-21 01:03:12,285 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,295 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 21 treesize of output 10 [2018-01-21 01:03:12,295 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,303 INFO L267 ElimStorePlain]: Start of recursive call 64: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,330 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:12,360 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:12,363 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 106 [2018-01-21 01:03:12,406 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 9 treesize of output 10 [2018-01-21 01:03:12,406 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 64 [2018-01-21 01:03:12,469 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 60 treesize of output 59 [2018-01-21 01:03:12,469 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,471 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 47 treesize of output 46 [2018-01-21 01:03:12,471 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,521 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:12,522 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:12,526 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 1 case distinctions, treesize of input 46 treesize of output 50 [2018-01-21 01:03:12,540 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 42 treesize of output 52 [2018-01-21 01:03:12,542 INFO L267 ElimStorePlain]: Start of recursive call 76: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-01-21 01:03:12,567 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 23 treesize of output 15 [2018-01-21 01:03:12,568 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,583 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 31 [2018-01-21 01:03:12,584 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,598 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 31 treesize of output 23 [2018-01-21 01:03:12,598 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-01-21 01:03:12,612 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,624 INFO L267 ElimStorePlain]: Start of recursive call 75: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,626 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:12,627 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:12,627 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:12,627 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 59 [2018-01-21 01:03:12,642 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 54 [2018-01-21 01:03:12,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2018-01-21 01:03:12,685 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 35 [2018-01-21 01:03:12,700 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,761 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 31 treesize of output 21 [2018-01-21 01:03:12,761 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,769 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 1 case distinctions, treesize of input 32 treesize of output 24 [2018-01-21 01:03:12,769 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,816 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 19 treesize of output 11 [2018-01-21 01:03:12,817 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 5 [2018-01-21 01:03:12,820 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,835 INFO L267 ElimStorePlain]: Start of recursive call 82: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,845 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 18 treesize of output 8 [2018-01-21 01:03:12,846 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,852 INFO L267 ElimStorePlain]: Start of recursive call 81: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,898 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 33 treesize of output 33 [2018-01-21 01:03:12,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-01-21 01:03:12,901 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,914 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 25 treesize of output 18 [2018-01-21 01:03:12,914 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-01-21 01:03:12,926 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,935 INFO L267 ElimStorePlain]: Start of recursive call 90: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:12,941 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 46 treesize of output 42 [2018-01-21 01:03:12,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2018-01-21 01:03:12,944 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 33 [2018-01-21 01:03:12,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 5 [2018-01-21 01:03:12,972 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:12,977 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 19 treesize of output 11 [2018-01-21 01:03:12,978 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,007 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:13,025 INFO L267 ElimStorePlain]: Start of recursive call 94: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:13,047 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:13,066 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:13,156 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2018-01-21 01:03:13,170 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 9 treesize of output 8 [2018-01-21 01:03:13,170 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,183 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 19 treesize of output 17 [2018-01-21 01:03:13,185 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 6 treesize of output 1 [2018-01-21 01:03:13,185 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,188 INFO L267 ElimStorePlain]: Start of recursive call 101: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-01-21 01:03:13,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-01-21 01:03:13,191 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,192 INFO L267 ElimStorePlain]: Start of recursive call 103: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,202 INFO L267 ElimStorePlain]: Start of recursive call 99: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:13,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-01-21 01:03:13,260 INFO L202 ElimStorePlain]: Needed 104 recursive calls to eliminate 7 variables, input treesize:270, output treesize:114 [2018-01-21 01:03:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:13,425 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:13,425 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-21 01:03:13,430 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:13,430 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 01:03:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:13,492 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:13,505 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 [2018-01-21 01:03:13,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,519 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,519 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-01-21 01:03:13,633 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:13,634 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:13,634 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 [2018-01-21 01:03:13,634 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,642 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-01-21 01:03:13,683 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 [2018-01-21 01:03:13,687 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 [2018-01-21 01:03:13,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,701 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 [2018-01-21 01:03:13,703 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 [2018-01-21 01:03:13,703 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,705 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,715 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:39, output treesize:28 [2018-01-21 01:03:13,799 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:13,805 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 29 treesize of output 30 [2018-01-21 01:03:13,808 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 [2018-01-21 01:03:13,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,826 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:13,829 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 43 treesize of output 47 [2018-01-21 01:03:13,832 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 [2018-01-21 01:03:13,832 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:13,847 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:70, output treesize:54 [2018-01-21 01:03:13,904 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 28 treesize of output 26 [2018-01-21 01:03:13,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-01-21 01:03:13,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,914 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 15 treesize of output 3 [2018-01-21 01:03:13,915 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,917 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:13,932 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. [2018-01-21 01:03:13,932 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:62, output treesize:38 [2018-01-21 01:03:14,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2018-01-21 01:03:14,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-01-21 01:03:14,085 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:14,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:14,116 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. [2018-01-21 01:03:14,116 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:74 [2018-01-21 01:03:14,185 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:14,189 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-01-21 01:03:14,191 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:14,192 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 22 treesize of output 14 [2018-01-21 01:03:14,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:14,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:14,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:14,206 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:32 [2018-01-21 01:03:14,292 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:14,293 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:14,294 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 27 treesize of output 27 [2018-01-21 01:03:14,303 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2018-01-21 01:03:14,304 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-21 01:03:14,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-01-21 01:03:14,313 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:14,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:14,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:14,318 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-01-21 01:03:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:14,346 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:14,427 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:14,432 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:14,433 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:14,437 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:14,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-21 01:03:14,446 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:65, output treesize:45 [2018-01-21 01:03:16,254 WARN L143 SmtUtils]: Spent 465ms on a formula simplification that was a NOOP. DAG size: 61 [2018-01-21 01:03:16,264 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 172 [2018-01-21 01:03:16,321 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 9 treesize of output 8 [2018-01-21 01:03:16,321 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 122 [2018-01-21 01:03:16,441 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 111 treesize of output 110 [2018-01-21 01:03:16,441 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,443 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 38 treesize of output 37 [2018-01-21 01:03:16,443 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,523 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 35 treesize of output 34 [2018-01-21 01:03:16,523 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 103 [2018-01-21 01:03:16,527 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 46 [2018-01-21 01:03:16,617 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 [2018-01-21 01:03:16,617 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-01-21 01:03:16,654 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-01-21 01:03:16,683 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-01-21 01:03:16,715 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:16,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2018-01-21 01:03:16,756 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:16,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 12 [2018-01-21 01:03:16,802 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:16,820 INFO L267 ElimStorePlain]: Start of recursive call 9: 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:16,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 104 [2018-01-21 01:03:16,841 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 103 [2018-01-21 01:03:16,862 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 136 [2018-01-21 01:03:16,905 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 126 treesize of output 90 [2018-01-21 01:03:16,905 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,909 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 127 treesize of output 85 [2018-01-21 01:03:16,909 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:16,977 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 2 case distinctions, treesize of input 99 treesize of output 99 [2018-01-21 01:03:16,978 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:16,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 94 [2018-01-21 01:03:16,987 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:17,064 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:17,134 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,145 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,180 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 176 [2018-01-21 01:03:17,304 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 87 DAG size of output 77 [2018-01-21 01:03:17,307 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,308 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 131 treesize of output 122 [2018-01-21 01:03:17,309 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:17,312 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,318 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 1 case distinctions, treesize of input 132 treesize of output 127 [2018-01-21 01:03:17,319 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:17,430 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 1 case distinctions, treesize of input 132 treesize of output 125 [2018-01-21 01:03:17,430 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:17,434 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 131 treesize of output 122 [2018-01-21 01:03:17,434 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:17,537 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,540 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,548 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 2 case distinctions, treesize of input 98 treesize of output 131 [2018-01-21 01:03:17,549 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:17,571 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,577 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:17,596 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 99 treesize of output 144 [2018-01-21 01:03:17,597 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:17,701 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:17,820 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-01-21 01:03:17,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 95 treesize of output 178 [2018-01-21 01:03:18,220 WARN L146 SmtUtils]: Spent 277ms on a formula simplification. DAG size of input: 140 DAG size of output 130 [2018-01-21 01:03:18,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 123 [2018-01-21 01:03:18,230 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:18,249 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 2 case distinctions, treesize of input 128 treesize of output 126 [2018-01-21 01:03:18,249 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:18,549 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:18,564 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 4 case distinctions, treesize of input 100 treesize of output 140 [2018-01-21 01:03:18,565 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:18,575 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:18,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 127 [2018-01-21 01:03:18,588 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:18,814 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 121 treesize of output 85 [2018-01-21 01:03:18,814 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:18,817 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 156 treesize of output 114 [2018-01-21 01:03:18,817 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:19,009 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:19,010 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 128 treesize of output 119 [2018-01-21 01:03:19,011 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:19,016 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:19,022 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 1 case distinctions, treesize of input 129 treesize of output 124 [2018-01-21 01:03:19,022 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:19,223 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 5 case distinctions, treesize of input 96 treesize of output 146 [2018-01-21 01:03:19,224 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:19,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 133 [2018-01-21 01:03:19,243 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:19,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2018-01-21 01:03:19,569 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:19,577 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 1 case distinctions, treesize of input 92 treesize of output 88 [2018-01-21 01:03:19,577 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:19,683 INFO L267 ElimStorePlain]: Start of recursive call 30: 7 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-01-21 01:03:19,778 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:19,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 103 [2018-01-21 01:03:20,005 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 138 [2018-01-21 01:03:20,059 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 2 case distinctions, treesize of input 101 treesize of output 101 [2018-01-21 01:03:20,060 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:20,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 96 [2018-01-21 01:03:20,074 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:20,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2018-01-21 01:03:20,179 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:20,182 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 92 treesize of output 56 [2018-01-21 01:03:20,182 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:20,226 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:20,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 95 treesize of output 178 [2018-01-21 01:03:20,593 WARN L146 SmtUtils]: Spent 286ms on a formula simplification. DAG size of input: 140 DAG size of output 130 [2018-01-21 01:03:20,596 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:20,597 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 128 treesize of output 119 [2018-01-21 01:03:20,597 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:20,601 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:20,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 124 [2018-01-21 01:03:20,608 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:20,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 123 [2018-01-21 01:03:20,847 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:20,862 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 2 case distinctions, treesize of input 128 treesize of output 128 [2018-01-21 01:03:20,862 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:21,087 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 1 case distinctions, treesize of input 129 treesize of output 122 [2018-01-21 01:03:21,087 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:21,090 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 128 treesize of output 119 [2018-01-21 01:03:21,091 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:21,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 83 [2018-01-21 01:03:21,307 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:21,314 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 156 treesize of output 114 [2018-01-21 01:03:21,314 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:21,495 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 5 case distinctions, treesize of input 96 treesize of output 146 [2018-01-21 01:03:21,496 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:21,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 133 [2018-01-21 01:03:21,516 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:21,832 INFO L267 ElimStorePlain]: Start of recursive call 49: 7 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:21,958 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 52 treesize of output 44 [2018-01-21 01:03:21,958 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:21,960 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 87 treesize of output 79 [2018-01-21 01:03:21,960 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:21,962 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 45 [2018-01-21 01:03:21,962 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:21,964 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 56 treesize of output 48 [2018-01-21 01:03:21,964 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,045 INFO L267 ElimStorePlain]: Start of recursive call 43: 3 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:22,120 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-01-21 01:03:22,184 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-01-21 01:03:22,341 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2018-01-21 01:03:22,357 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 9 treesize of output 8 [2018-01-21 01:03:22,358 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,372 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 19 treesize of output 17 [2018-01-21 01:03:22,374 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 6 treesize of output 1 [2018-01-21 01:03:22,374 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,377 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-01-21 01:03:22,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-01-21 01:03:22,380 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,381 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,393 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:22,396 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 54 [2018-01-21 01:03:22,422 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 9 treesize of output 8 [2018-01-21 01:03:22,422 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,446 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 19 treesize of output 17 [2018-01-21 01:03:22,447 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 6 treesize of output 1 [2018-01-21 01:03:22,448 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,451 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,453 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 25 treesize of output 19 [2018-01-21 01:03:22,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2018-01-21 01:03:22,456 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,460 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,479 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:22,483 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 55 [2018-01-21 01:03:22,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 8 [2018-01-21 01:03:22,510 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 23 [2018-01-21 01:03:22,538 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 20 treesize of output 10 [2018-01-21 01:03:22,539 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,543 INFO L267 ElimStorePlain]: Start of recursive call 78: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,544 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 25 treesize of output 23 [2018-01-21 01:03:22,558 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 6 treesize of output 1 [2018-01-21 01:03:22,558 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,562 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,564 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 31 treesize of output 25 [2018-01-21 01:03:22,565 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 20 treesize of output 10 [2018-01-21 01:03:22,566 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,570 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,571 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 32 treesize of output 28 [2018-01-21 01:03:22,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-01-21 01:03:22,574 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,579 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,601 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:22,603 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-01-21 01:03:22,618 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 9 treesize of output 8 [2018-01-21 01:03:22,619 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-01-21 01:03:22,634 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 12 treesize of output 3 [2018-01-21 01:03:22,634 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,636 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,637 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 19 treesize of output 17 [2018-01-21 01:03:22,638 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 6 treesize of output 1 [2018-01-21 01:03:22,638 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,641 INFO L267 ElimStorePlain]: Start of recursive call 90: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,652 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:22,655 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 69 [2018-01-21 01:03:22,704 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 9 treesize of output 8 [2018-01-21 01:03:22,704 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,727 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 19 treesize of output 17 [2018-01-21 01:03:22,729 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 6 treesize of output 1 [2018-01-21 01:03:22,730 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,733 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,734 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 35 treesize of output 27 [2018-01-21 01:03:22,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-01-21 01:03:22,736 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,740 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,756 INFO L267 ElimStorePlain]: Start of recursive call 92: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:22,759 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 88 [2018-01-21 01:03:22,816 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 9 treesize of output 8 [2018-01-21 01:03:22,816 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,831 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 27 treesize of output 21 [2018-01-21 01:03:22,832 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 21 treesize of output 11 [2018-01-21 01:03:22,833 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,835 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,837 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 19 treesize of output 17 [2018-01-21 01:03:22,838 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 6 treesize of output 1 [2018-01-21 01:03:22,838 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,841 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,851 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:22,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 54 [2018-01-21 01:03:22,878 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 9 treesize of output 8 [2018-01-21 01:03:22,878 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,901 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 25 treesize of output 19 [2018-01-21 01:03:22,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2018-01-21 01:03:22,903 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,906 INFO L267 ElimStorePlain]: Start of recursive call 106: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,908 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 19 treesize of output 17 [2018-01-21 01:03:22,909 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 6 treesize of output 1 [2018-01-21 01:03:22,910 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,912 INFO L267 ElimStorePlain]: Start of recursive call 108: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,930 INFO L267 ElimStorePlain]: Start of recursive call 104: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:22,933 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-01-21 01:03:22,947 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 9 treesize of output 8 [2018-01-21 01:03:22,947 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 17 [2018-01-21 01:03:22,962 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 6 treesize of output 1 [2018-01-21 01:03:22,962 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,965 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2018-01-21 01:03:22,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-01-21 01:03:22,968 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,969 INFO L267 ElimStorePlain]: Start of recursive call 114: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:22,980 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:22,982 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 54 [2018-01-21 01:03:23,007 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 9 treesize of output 8 [2018-01-21 01:03:23,008 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 17 [2018-01-21 01:03:23,033 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 6 treesize of output 1 [2018-01-21 01:03:23,034 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,037 INFO L267 ElimStorePlain]: Start of recursive call 118: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 19 [2018-01-21 01:03:23,040 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 19 treesize of output 9 [2018-01-21 01:03:23,041 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,044 INFO L267 ElimStorePlain]: Start of recursive call 120: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,062 INFO L267 ElimStorePlain]: Start of recursive call 116: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:23,307 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 204 [2018-01-21 01:03:23,341 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 9 treesize of output 8 [2018-01-21 01:03:23,341 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,376 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 155 treesize of output 149 [2018-01-21 01:03:23,378 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 144 treesize of output 133 [2018-01-21 01:03:23,378 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,385 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,387 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 152 treesize of output 150 [2018-01-21 01:03:23,389 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 6 treesize of output 1 [2018-01-21 01:03:23,389 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,396 INFO L267 ElimStorePlain]: Start of recursive call 126: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 153 treesize of output 147 [2018-01-21 01:03:23,401 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 144 treesize of output 133 [2018-01-21 01:03:23,401 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,407 INFO L267 ElimStorePlain]: Start of recursive call 128: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,437 INFO L267 ElimStorePlain]: Start of recursive call 122: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:23,669 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 99 [2018-01-21 01:03:23,698 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 9 treesize of output 8 [2018-01-21 01:03:23,698 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,709 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 65 treesize of output 59 [2018-01-21 01:03:23,724 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 11 treesize of output 10 [2018-01-21 01:03:23,724 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-01-21 01:03:23,749 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2018-01-21 01:03:23,778 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 26 treesize of output 26 [2018-01-21 01:03:23,779 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:23,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2018-01-21 01:03:23,785 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:23,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-01-21 01:03:23,812 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,814 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 24 treesize of output 12 [2018-01-21 01:03:23,815 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,831 INFO L267 ElimStorePlain]: Start of recursive call 135: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:23,849 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 18 treesize of output 8 [2018-01-21 01:03:23,849 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,864 INFO L267 ElimStorePlain]: Start of recursive call 134: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:23,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 45 [2018-01-21 01:03:23,873 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 29 [2018-01-21 01:03:23,873 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,890 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 34 treesize of output 28 [2018-01-21 01:03:23,891 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,902 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 21 treesize of output 10 [2018-01-21 01:03:23,902 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,912 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 28 treesize of output 18 [2018-01-21 01:03:23,913 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,923 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 18 treesize of output 10 [2018-01-21 01:03:23,923 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:23,930 INFO L267 ElimStorePlain]: Start of recursive call 141: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:23,957 INFO L267 ElimStorePlain]: Start of recursive call 132: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:23,984 INFO L267 ElimStorePlain]: Start of recursive call 130: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:23,987 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 106 [2018-01-21 01:03:24,016 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 9 treesize of output 10 [2018-01-21 01:03:24,016 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,025 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:24,026 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 52 treesize of output 53 [2018-01-21 01:03:24,053 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 15 [2018-01-21 01:03:24,053 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,065 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 22 treesize of output 18 [2018-01-21 01:03:24,067 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 8 treesize of output 1 [2018-01-21 01:03:24,067 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-01-21 01:03:24,071 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,073 INFO L267 ElimStorePlain]: Start of recursive call 151: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-01-21 01:03:24,076 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-01-21 01:03:24,088 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 19 treesize of output 11 [2018-01-21 01:03:24,088 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 5 [2018-01-21 01:03:24,091 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,097 INFO L267 ElimStorePlain]: Start of recursive call 155: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:24,102 INFO L267 ElimStorePlain]: Start of recursive call 154: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:24,108 INFO L267 ElimStorePlain]: Start of recursive call 149: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:24,116 INFO L267 ElimStorePlain]: Start of recursive call 147: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:24,120 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 101 [2018-01-21 01:03:24,148 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 9 treesize of output 8 [2018-01-21 01:03:24,148 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 67 [2018-01-21 01:03:24,224 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 45 treesize of output 44 [2018-01-21 01:03:24,224 INFO L267 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,226 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 [2018-01-21 01:03:24,226 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,296 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 51 treesize of output 63 [2018-01-21 01:03:24,296 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,298 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 40 treesize of output 50 [2018-01-21 01:03:24,298 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,366 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,368 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 45 treesize of output 38 [2018-01-21 01:03:24,370 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:24,370 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 16 [2018-01-21 01:03:24,371 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,378 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 6 treesize of output 1 [2018-01-21 01:03:24,378 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,381 INFO L267 ElimStorePlain]: Start of recursive call 165: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,383 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 44 [2018-01-21 01:03:24,387 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:24,399 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 4 case distinctions, treesize of input 40 treesize of output 60 [2018-01-21 01:03:24,499 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,499 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,500 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,500 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2018-01-21 01:03:24,500 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,502 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,503 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,503 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 40 treesize of output 31 [2018-01-21 01:03:24,503 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,572 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,573 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,574 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,574 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-01-21 01:03:24,575 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,576 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,577 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,577 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,578 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 38 treesize of output 31 [2018-01-21 01:03:24,578 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,632 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,633 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,633 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2018-01-21 01:03:24,634 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,636 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:24,637 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 21 [2018-01-21 01:03:24,637 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,683 INFO L267 ElimStorePlain]: Start of recursive call 169: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:24,712 INFO L267 ElimStorePlain]: Start of recursive call 168: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:24,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 50 [2018-01-21 01:03:24,810 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 31 [2018-01-21 01:03:24,810 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,843 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 34 treesize of output 26 [2018-01-21 01:03:24,843 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,871 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 26 treesize of output 13 [2018-01-21 01:03:24,872 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,903 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 1 case distinctions, treesize of input 31 treesize of output 25 [2018-01-21 01:03:24,903 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:24,934 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 35 treesize of output 29 [2018-01-21 01:03:24,934 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,962 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 28 treesize of output 15 [2018-01-21 01:03:24,962 INFO L267 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:24,991 INFO L267 ElimStorePlain]: Start of recursive call 176: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:24,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 48 [2018-01-21 01:03:25,000 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 43 treesize of output 33 [2018-01-21 01:03:25,000 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:25,022 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 43 [2018-01-21 01:03:25,051 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 34 treesize of output 22 [2018-01-21 01:03:25,051 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:25,052 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 27 [2018-01-21 01:03:25,052 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:25,095 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 36 treesize of output 36 [2018-01-21 01:03:25,095 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:25,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 31 [2018-01-21 01:03:25,101 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:25,134 INFO L267 ElimStorePlain]: Start of recursive call 185: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:25,181 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 4 case distinctions, treesize of input 40 treesize of output 56 [2018-01-21 01:03:25,271 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-01-21 01:03:25,272 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:25,274 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,279 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 42 treesize of output 37 [2018-01-21 01:03:25,280 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:25,356 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,356 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 27 [2018-01-21 01:03:25,357 INFO L267 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:25,359 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,359 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,360 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2018-01-21 01:03:25,360 INFO L267 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:25,421 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,422 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,423 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,431 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 2 case distinctions, treesize of input 39 treesize of output 44 [2018-01-21 01:03:25,432 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:25,434 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,435 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:25,439 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 38 treesize of output 36 [2018-01-21 01:03:25,440 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:25,485 INFO L267 ElimStorePlain]: Start of recursive call 190: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:25,528 INFO L267 ElimStorePlain]: Start of recursive call 183: 3 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:25,645 INFO L267 ElimStorePlain]: Start of recursive call 160: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:25,698 INFO L267 ElimStorePlain]: Start of recursive call 158: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:25,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 21 xjuncts. [2018-01-21 01:03:25,889 INFO L202 ElimStorePlain]: Needed 196 recursive calls to eliminate 8 variables, input treesize:455, output treesize:285 [2018-01-21 01:03:26,189 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 10 treesize of output 3 [2018-01-21 01:03:26,190 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:26,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:26,192 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:3 [2018-01-21 01:03:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-21 01:03:26,212 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-21 01:03:26,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 19, 18, 19] total 69 [2018-01-21 01:03:26,212 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-21 01:03:26,212 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-01-21 01:03:26,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-01-21 01:03:26,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=4376, Unknown=0, NotChecked=0, Total=4692 [2018-01-21 01:03:26,213 INFO L87 Difference]: Start difference. First operand 115 states and 123 transitions. Second operand 32 states. [2018-01-21 01:03:27,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 01:03:27,991 INFO L93 Difference]: Finished difference Result 259 states and 280 transitions. [2018-01-21 01:03:27,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-01-21 01:03:27,991 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 73 [2018-01-21 01:03:27,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 01:03:27,992 INFO L225 Difference]: With dead ends: 259 [2018-01-21 01:03:27,992 INFO L226 Difference]: Without dead ends: 231 [2018-01-21 01:03:27,994 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 236 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2691 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=905, Invalid=7837, Unknown=0, NotChecked=0, Total=8742 [2018-01-21 01:03:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-01-21 01:03:28,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 179. [2018-01-21 01:03:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-01-21 01:03:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 193 transitions. [2018-01-21 01:03:28,001 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 193 transitions. Word has length 73 [2018-01-21 01:03:28,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 01:03:28,002 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 193 transitions. [2018-01-21 01:03:28,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-01-21 01:03:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 193 transitions. [2018-01-21 01:03:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-01-21 01:03:28,003 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 01:03:28,003 INFO L322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 01:03:28,003 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolation]=== [2018-01-21 01:03:28,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1905546309, now seen corresponding path program 1 times [2018-01-21 01:03:28,004 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 01:03:28,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:28,005 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:28,005 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 01:03:28,005 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 01:03:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:28,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 01:03:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 01:03:28,577 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:28,577 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 01:03:28,577 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 82 with the following transitions: [2018-01-21 01:03:28,577 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [14], [16], [19], [21], [22], [23], [24], [25], [26], [27], [28], [29], [30], [33], [34], [50], [51], [56], [60], [68], [69], [74], [78], [86], [91], [95], [104], [108], [113], [117], [125], [126], [131], [135], [143], [147], [149], [150], [193], [195], [196], [202], [206], [208], [209], [212], [213], [214], [215], [216], [217], [218], [229], [230], [232], [233], [234], [240], [241], [242] [2018-01-21 01:03:28,580 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 01:03:28,580 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 01:03:29,004 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-21 01:03:29,004 INFO L268 AbstractInterpreter]: Visited 71 different actions 184 times. Merged at 55 different actions 104 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 8 different actions. Largest state had 47 variables. [2018-01-21 01:03:29,014 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-21 01:03:29,014 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:29,014 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/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 [2018-01-21 01:03:29,027 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:29,027 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 01:03:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:29,053 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:29,055 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 [2018-01-21 01:03:29,056 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,057 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-21 01:03:29,080 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 [2018-01-21 01:03:29,082 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 10 treesize of output 9 [2018-01-21 01:03:29,082 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2018-01-21 01:03:29,119 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:29,120 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:29,120 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 [2018-01-21 01:03:29,120 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,125 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-01-21 01:03:29,149 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 [2018-01-21 01:03:29,151 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 [2018-01-21 01:03:29,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,154 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,167 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 [2018-01-21 01:03:29,169 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 [2018-01-21 01:03:29,169 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,171 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,183 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 23 [2018-01-21 01:03:29,185 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:29,186 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 27 [2018-01-21 01:03:29,186 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,190 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,196 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:57, output treesize:31 [2018-01-21 01:03:29,246 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:29,250 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 82 treesize of output 86 [2018-01-21 01:03:29,252 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 [2018-01-21 01:03:29,252 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,261 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,275 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:29,278 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 29 treesize of output 30 [2018-01-21 01:03:29,280 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 [2018-01-21 01:03:29,280 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,285 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,298 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:29,301 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 41 treesize of output 42 [2018-01-21 01:03:29,303 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 24 treesize of output 1 [2018-01-21 01:03:29,303 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,306 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:29,315 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:104, output treesize:57 [2018-01-21 01:03:29,362 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 30 [2018-01-21 01:03:29,364 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 23 treesize of output 14 [2018-01-21 01:03:29,364 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,372 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 [2018-01-21 01:03:29,372 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,383 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 24 treesize of output 22 [2018-01-21 01:03:29,385 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 [2018-01-21 01:03:29,385 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-21 01:03:29,390 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,391 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,394 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:65, output treesize:17 [2018-01-21 01:03:29,438 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 [2018-01-21 01:03:29,439 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 1 [2018-01-21 01:03:29,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,445 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2018-01-21 01:03:29,450 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 21 treesize of output 22 [2018-01-21 01:03:29,452 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 [2018-01-21 01:03:29,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,455 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,459 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. [2018-01-21 01:03:29,459 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-01-21 01:03:29,648 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 26 treesize of output 24 [2018-01-21 01:03:29,649 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 15 treesize of output 3 [2018-01-21 01:03:29,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,653 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 [2018-01-21 01:03:29,653 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:29,656 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:30, output treesize:3 [2018-01-21 01:03:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 01:03:29,693 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:29,982 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:29,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:29,989 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:29,993 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:30,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-21 01:03:30,006 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:41, output treesize:53 [2018-01-21 01:03:30,300 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 82 DAG size of output 70 [2018-01-21 01:03:30,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:30,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:30,323 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:30,331 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:30,332 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:30,339 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:30,390 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:30,396 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:30,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2018-01-21 01:03:30,441 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:205, output treesize:206 [2018-01-21 01:03:32,399 WARN L146 SmtUtils]: Spent 876ms on a formula simplification. DAG size of input: 93 DAG size of output 71 [2018-01-21 01:03:34,702 WARN L146 SmtUtils]: Spent 186ms on a formula simplification. DAG size of input: 115 DAG size of output 107 [2018-01-21 01:03:34,704 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:34,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:34,816 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2018-01-21 01:03:34,835 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 9 treesize of output 8 [2018-01-21 01:03:34,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:34,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-01-21 01:03:34,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-01-21 01:03:34,845 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:34,846 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:34,851 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:34,951 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:34,960 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:34,961 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:34,969 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:34,970 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:34,979 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,061 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 71 [2018-01-21 01:03:35,088 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 9 treesize of output 8 [2018-01-21 01:03:35,088 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,114 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 19 treesize of output 17 [2018-01-21 01:03:35,116 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 6 treesize of output 1 [2018-01-21 01:03:35,116 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,119 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,121 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 25 treesize of output 19 [2018-01-21 01:03:35,123 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 19 treesize of output 9 [2018-01-21 01:03:35,123 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,127 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,148 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:35,151 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 73 [2018-01-21 01:03:35,209 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 9 treesize of output 8 [2018-01-21 01:03:35,210 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,233 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 19 treesize of output 17 [2018-01-21 01:03:35,235 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 6 treesize of output 1 [2018-01-21 01:03:35,235 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,239 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,240 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 25 treesize of output 19 [2018-01-21 01:03:35,242 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 19 treesize of output 9 [2018-01-21 01:03:35,243 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,246 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,264 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:35,266 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 64 [2018-01-21 01:03:35,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 8 [2018-01-21 01:03:35,298 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,310 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 25 treesize of output 19 [2018-01-21 01:03:35,312 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2018-01-21 01:03:35,312 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,315 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,324 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:35,463 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:35,468 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:35,570 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 68 [2018-01-21 01:03:35,589 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 9 treesize of output 8 [2018-01-21 01:03:35,589 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,607 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 25 treesize of output 23 [2018-01-21 01:03:35,608 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 6 treesize of output 1 [2018-01-21 01:03:35,608 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,612 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,614 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 24 treesize of output 20 [2018-01-21 01:03:35,615 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 15 treesize of output 6 [2018-01-21 01:03:35,615 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,619 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 18 [2018-01-21 01:03:35,621 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 15 treesize of output 6 [2018-01-21 01:03:35,622 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,624 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,640 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:35,746 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-01-21 01:03:35,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-01-21 01:03:35,764 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,771 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 17 treesize of output 13 [2018-01-21 01:03:35,773 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 13 treesize of output 4 [2018-01-21 01:03:35,773 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,774 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,779 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,781 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-01-21 01:03:35,802 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 9 treesize of output 10 [2018-01-21 01:03:35,802 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,810 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 10 treesize of output 8 [2018-01-21 01:03:35,812 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 8 treesize of output 1 [2018-01-21 01:03:35,812 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,813 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,819 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,821 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2018-01-21 01:03:35,840 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 9 treesize of output 8 [2018-01-21 01:03:35,840 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 17 treesize of output 13 [2018-01-21 01:03:35,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-01-21 01:03:35,850 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,851 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,855 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:35,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 7 dim-2 vars, End of recursive call: 5 dim-0 vars, and 10 xjuncts. [2018-01-21 01:03:35,961 INFO L202 ElimStorePlain]: Needed 51 recursive calls to eliminate 12 variables, input treesize:275, output treesize:250 [2018-01-21 01:03:36,281 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-01-21 01:03:36,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:36,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:36,282 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:1 [2018-01-21 01:03:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-01-21 01:03:36,329 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 01:03:36,329 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-21 01:03:36,332 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 01:03:36,332 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 01:03:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 01:03:36,402 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 01:03:36,960 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 [2018-01-21 01:03:36,963 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 [2018-01-21 01:03:36,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:36,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:36,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:36,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:75 [2018-01-21 01:03:37,183 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:37,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-01-21 01:03:37,190 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 [2018-01-21 01:03:37,190 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,221 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. [2018-01-21 01:03:37,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:96, output treesize:88 [2018-01-21 01:03:37,506 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:37,511 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 71 treesize of output 66 [2018-01-21 01:03:37,514 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:37,519 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 2 case distinctions, treesize of input 16 treesize of output 27 [2018-01-21 01:03:37,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:37,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-21 01:03:37,573 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. [2018-01-21 01:03:37,573 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:176 [2018-01-21 01:03:37,703 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:37,707 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 82 treesize of output 80 [2018-01-21 01:03:37,710 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:37,711 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 30 treesize of output 18 [2018-01-21 01:03:37,711 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,719 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,734 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. [2018-01-21 01:03:37,734 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:111, output treesize:80 [2018-01-21 01:03:37,858 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:37,859 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 58 treesize of output 50 [2018-01-21 01:03:37,861 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 45 treesize of output 32 [2018-01-21 01:03:37,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,870 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 [2018-01-21 01:03:37,870 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:37,885 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:84, output treesize:54 [2018-01-21 01:03:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-01-21 01:03:38,351 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 01:03:38,409 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-01-21 01:03:38,413 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 14 [2018-01-21 01:03:38,414 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,414 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:38,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:18 [2018-01-21 01:03:38,478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-01-21 01:03:38,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-01-21 01:03:38,489 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-01-21 01:03:38,489 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,491 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,492 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-21 01:03:38,499 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:53, output treesize:25 [2018-01-21 01:03:38,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,686 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,706 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:38,707 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:38,722 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:38,723 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:38,733 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,734 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-01-21 01:03:38,740 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:117, output treesize:53 [2018-01-21 01:03:38,741 WARN L1007 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_38 Int)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| c_main_~end~5.base (store (select |c_#memory_$Pointer$.base| c_main_~end~5.base) (+ c_main_~end~5.offset 8) v_DerPreprocessor_38)) c_main_~list~5.base) c_main_~list~5.offset)))) (forall ((v_DerPreprocessor_36 Int)) (= (store (store (store |c_#valid| c_main_~list~5.base 0) (select (select (store |c_#memory_$Pointer$.base| c_main_~end~5.base (store (select |c_#memory_$Pointer$.base| c_main_~end~5.base) (+ c_main_~end~5.offset 8) v_DerPreprocessor_36)) c_main_~list~5.base) c_main_~list~5.offset) 0) c_main_~null~5.base 0) |c_old(#valid)|)) (not (= 0 c_main_~null~5.base)) (not (= 0 c_main_~list~5.base))) is different from false [2018-01-21 01:03:38,745 WARN L1007 $PredicateComparison]: unable to prove that (and (forall ((main_~end~5.offset Int) (v_DerPreprocessor_38 Int)) (not (= (select (select (store |c_#memory_$Pointer$.base| c_main_~end~5.base (store (store (select |c_#memory_$Pointer$.base| c_main_~end~5.base) main_~end~5.offset c_main_~null~5.base) (+ main_~end~5.offset 8) v_DerPreprocessor_38)) c_main_~list~5.base) c_main_~list~5.offset) 0))) (not (= 0 c_main_~null~5.base)) (not (= 0 c_main_~list~5.base)) (forall ((v_DerPreprocessor_36 Int) (v_prenex_109 Int)) (= (store (store (store |c_#valid| c_main_~list~5.base 0) (select (select (store |c_#memory_$Pointer$.base| c_main_~end~5.base (store (store (select |c_#memory_$Pointer$.base| c_main_~end~5.base) v_prenex_109 c_main_~null~5.base) (+ v_prenex_109 8) v_DerPreprocessor_36)) c_main_~list~5.base) c_main_~list~5.offset) 0) c_main_~null~5.base 0) |c_old(#valid)|))) is different from false [2018-01-21 01:03:38,748 WARN L1007 $PredicateComparison]: unable to prove that (and (not (= 0 c_main_~null~5.base)) (forall ((v_DerPreprocessor_36 Int) (v_prenex_109 Int)) (= (store (store (store |c_#valid| c_main_~list~5.base 0) (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem13.base| (store (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem13.base|) v_prenex_109 c_main_~null~5.base) (+ v_prenex_109 8) v_DerPreprocessor_36)) c_main_~list~5.base) c_main_~list~5.offset) 0) c_main_~null~5.base 0) |c_old(#valid)|)) (not (= 0 c_main_~list~5.base)) (forall ((main_~end~5.offset Int) (v_DerPreprocessor_38 Int)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem13.base| (store (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem13.base|) main_~end~5.offset c_main_~null~5.base) (+ main_~end~5.offset 8) v_DerPreprocessor_38)) c_main_~list~5.base) c_main_~list~5.offset))))) is different from false [2018-01-21 01:03:38,751 WARN L1007 $PredicateComparison]: unable to prove that (and (not (= 0 c_main_~null~5.base)) (forall ((v_DerPreprocessor_36 Int) (v_prenex_109 Int)) (= |c_old(#valid)| (store (store (store |c_#valid| c_main_~list~5.base 0) (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_main_~end~5.base) c_main_~end~5.offset))) (store |c_#memory_$Pointer$.base| .cse0 (store (store (select |c_#memory_$Pointer$.base| .cse0) v_prenex_109 c_main_~null~5.base) (+ v_prenex_109 8) v_DerPreprocessor_36))) c_main_~list~5.base) c_main_~list~5.offset) 0) c_main_~null~5.base 0))) (not (= 0 c_main_~list~5.base)) (forall ((v_DerPreprocessor_38 Int) (v_subst_3 Int)) (not (= (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_main_~end~5.base) c_main_~end~5.offset))) (store |c_#memory_$Pointer$.base| .cse1 (store (store (select |c_#memory_$Pointer$.base| .cse1) v_subst_3 c_main_~null~5.base) (+ v_subst_3 8) v_DerPreprocessor_38))) c_main_~list~5.base) c_main_~list~5.offset) 0)))) is different from false [2018-01-21 01:03:38,755 WARN L1007 $PredicateComparison]: unable to prove that (and (not (= 0 c_main_~null~5.base)) (forall ((v_prenex_110 Int) (v_DerPreprocessor_38 Int) (v_subst_3 Int)) (not (= 0 (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_main_#t~mem11.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem11.base|) (+ v_prenex_110 4) c_main_~end~5.base)))) (let ((.cse1 (select (select .cse0 c_main_~end~5.base) c_main_~end~5.offset))) (store .cse0 .cse1 (store (store (select .cse0 .cse1) v_subst_3 c_main_~null~5.base) (+ v_subst_3 8) v_DerPreprocessor_38)))) c_main_~list~5.base) c_main_~list~5.offset)))) (not (= 0 c_main_~list~5.base)) (forall ((v_DerPreprocessor_36 Int) (v_prenex_109 Int) (|main_#t~mem11.offset| Int)) (= |c_old(#valid)| (store (store (store |c_#valid| c_main_~list~5.base 0) (select (select (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_main_#t~mem11.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) c_main_~end~5.base)))) (let ((.cse3 (select (select .cse2 c_main_~end~5.base) c_main_~end~5.offset))) (store .cse2 .cse3 (store (store (select .cse2 .cse3) v_prenex_109 c_main_~null~5.base) (+ v_prenex_109 8) v_DerPreprocessor_36)))) c_main_~list~5.base) c_main_~list~5.offset) 0) c_main_~null~5.base 0)))) is different from false [2018-01-21 01:03:38,759 WARN L1007 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_110 Int) (v_DerPreprocessor_38 Int) (v_subst_3 Int)) (not (= (select (select (let ((.cse0 (let ((.cse2 (select (select |c_#memory_$Pointer$.base| c_main_~end~5.base) c_main_~end~5.offset))) (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) (+ v_prenex_110 4) c_main_~end~5.base))))) (let ((.cse1 (select (select .cse0 c_main_~end~5.base) c_main_~end~5.offset))) (store .cse0 .cse1 (store (store (select .cse0 .cse1) v_subst_3 c_main_~null~5.base) (+ v_subst_3 8) v_DerPreprocessor_38)))) c_main_~list~5.base) c_main_~list~5.offset) 0))) (not (= 0 c_main_~null~5.base)) (not (= 0 c_main_~list~5.base)) (forall ((v_DerPreprocessor_36 Int) (v_prenex_109 Int) (|main_#t~mem11.offset| Int)) (= (store (store (store |c_#valid| c_main_~list~5.base 0) (select (select (let ((.cse3 (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_main_~end~5.base) c_main_~end~5.offset))) (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) (+ |main_#t~mem11.offset| 4) c_main_~end~5.base))))) (let ((.cse4 (select (select .cse3 c_main_~end~5.base) c_main_~end~5.offset))) (store .cse3 .cse4 (store (store (select .cse3 .cse4) v_prenex_109 c_main_~null~5.base) (+ v_prenex_109 8) v_DerPreprocessor_36)))) c_main_~list~5.base) c_main_~list~5.offset) 0) c_main_~null~5.base 0) |c_old(#valid)|))) is different from false [2018-01-21 01:03:38,765 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 79 [2018-01-21 01:03:38,797 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 9 treesize of output 8 [2018-01-21 01:03:38,797 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 62 [2018-01-21 01:03:38,861 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 38 treesize of output 37 [2018-01-21 01:03:38,861 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,862 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 51 treesize of output 50 [2018-01-21 01:03:38,862 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,915 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 35 treesize of output 34 [2018-01-21 01:03:38,915 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-01-21 01:03:38,918 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 40 [2018-01-21 01:03:38,973 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 35 treesize of output 29 [2018-01-21 01:03:38,974 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,988 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 26 treesize of output 18 [2018-01-21 01:03:38,988 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:38,999 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 18 treesize of output 10 [2018-01-21 01:03:39,000 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-01-21 01:03:39,010 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2018-01-21 01:03:39,022 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:39,032 INFO L267 ElimStorePlain]: Start of recursive call 9: 5 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:39,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 43 [2018-01-21 01:03:39,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2018-01-21 01:03:39,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2018-01-21 01:03:39,066 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:39,080 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 3 case distinctions, treesize of input 26 treesize of output 34 [2018-01-21 01:03:39,080 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:39,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-01-21 01:03:39,131 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,136 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 1 case distinctions, treesize of input 24 treesize of output 22 [2018-01-21 01:03:39,137 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:39,170 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-01-21 01:03:39,197 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 18 treesize of output 8 [2018-01-21 01:03:39,197 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,221 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:39,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 46 [2018-01-21 01:03:39,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-01-21 01:03:39,313 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-01-21 01:03:39,337 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,361 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 27 treesize of output 21 [2018-01-21 01:03:39,361 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2018-01-21 01:03:39,386 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:39,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-01-21 01:03:39,411 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:39,433 INFO L267 ElimStorePlain]: Start of recursive call 22: 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-01-21 01:03:39,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 44 [2018-01-21 01:03:39,448 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 43 [2018-01-21 01:03:39,450 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,451 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,463 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 4 case distinctions, treesize of input 36 treesize of output 56 [2018-01-21 01:03:39,549 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-01-21 01:03:39,551 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:39,554 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,563 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 2 case distinctions, treesize of input 42 treesize of output 45 [2018-01-21 01:03:39,564 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:39,653 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,656 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,672 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 5 case distinctions, treesize of input 39 treesize of output 62 [2018-01-21 01:03:39,674 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 32 xjuncts. [2018-01-21 01:03:39,676 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,678 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:39,685 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 38 treesize of output 41 [2018-01-21 01:03:39,685 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:39,900 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 2 case distinctions, treesize of input 42 treesize of output 45 [2018-01-21 01:03:39,901 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:39,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 31 [2018-01-21 01:03:39,906 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:39,999 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-01-21 01:03:40,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 46 [2018-01-21 01:03:40,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2018-01-21 01:03:40,110 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:40,123 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 3 case distinctions, treesize of input 39 treesize of output 47 [2018-01-21 01:03:40,124 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:40,204 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 30 treesize of output 24 [2018-01-21 01:03:40,204 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:40,210 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 1 case distinctions, treesize of input 37 treesize of output 35 [2018-01-21 01:03:40,210 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:40,257 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-01-21 01:03:40,335 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-01-21 01:03:40,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 33 [2018-01-21 01:03:40,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 54 [2018-01-21 01:03:40,620 WARN L146 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 129 DAG size of output 119 [2018-01-21 01:03:40,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 31 [2018-01-21 01:03:40,626 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:40,649 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 3 case distinctions, treesize of input 34 treesize of output 44 [2018-01-21 01:03:40,649 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:40,888 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 5 case distinctions, treesize of input 37 treesize of output 55 [2018-01-21 01:03:40,890 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 32 xjuncts. [2018-01-21 01:03:40,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 34 [2018-01-21 01:03:40,900 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:41,241 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 2 case distinctions, treesize of input 35 treesize of output 38 [2018-01-21 01:03:41,242 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:41,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2018-01-21 01:03:41,248 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:41,469 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 1 case distinctions, treesize of input 32 treesize of output 30 [2018-01-21 01:03:41,469 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:41,471 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 27 treesize of output 21 [2018-01-21 01:03:41,471 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:41,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2018-01-21 01:03:41,639 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:41,642 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:41,649 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 2 case distinctions, treesize of input 35 treesize of output 38 [2018-01-21 01:03:41,650 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:41,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 39 [2018-01-21 01:03:41,782 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 8 xjuncts. [2018-01-21 01:03:41,808 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 60 [2018-01-21 01:03:41,808 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-21 01:03:41,812 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 64 xjuncts. [2018-01-21 01:03:42,134 INFO L267 ElimStorePlain]: Start of recursive call 43: 7 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-01-21 01:03:42,216 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 12 xjuncts. [2018-01-21 01:03:42,311 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-01-21 01:03:42,441 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 11 xjuncts. [2018-01-21 01:03:42,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 11 xjuncts. [2018-01-21 01:03:42,566 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 87 [2018-01-21 01:03:42,596 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 9 treesize of output 8 [2018-01-21 01:03:42,596 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:42,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 70 [2018-01-21 01:03:42,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 51 [2018-01-21 01:03:42,698 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:42,701 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 43 treesize of output 42 [2018-01-21 01:03:42,701 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:42,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2018-01-21 01:03:42,704 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:42,809 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 59 treesize of output 58 [2018-01-21 01:03:42,810 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:42,811 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 46 treesize of output 45 [2018-01-21 01:03:42,811 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:42,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 54 [2018-01-21 01:03:42,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 31 [2018-01-21 01:03:42,915 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:42,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2018-01-21 01:03:42,965 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-21 01:03:43,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 44 [2018-01-21 01:03:43,034 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-01-21 01:03:43,172 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2018-01-21 01:03:43,172 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:43,173 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-01-21 01:03:43,174 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:43,311 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 30 treesize of output 24 [2018-01-21 01:03:43,311 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:43,460 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-01-21 01:03:43,460 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-21 01:03:43,604 INFO L267 ElimStorePlain]: Start of recursive call 64: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-01-21 01:03:43,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 52 [2018-01-21 01:03:43,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 51 [2018-01-21 01:03:43,631 INFO L700 Elim1Store]: detected not equals via solver [2018-01-21 01:03:43,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 60 [2018-01-21 01:03:43,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 77 [2018-01-21 01:03:43,749 INFO L267 ElimStorePlain]: Start of recursive call 75: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-01-21 01:03:43,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 45 [2018-01-21 01:03:43,762 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:43,787 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 70 [2018-01-21 01:03:43,789 INFO L267 ElimStorePlain]: Start of recursive call 77: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-01-21 01:03:44,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2018-01-21 01:03:44,196 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:44,212 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 3 case distinctions, treesize of input 46 treesize of output 58 [2018-01-21 01:03:44,213 INFO L267 ElimStorePlain]: Start of recursive call 79: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-01-21 01:03:44,691 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 1 case distinctions, treesize of input 44 treesize of output 46 [2018-01-21 01:03:44,691 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-21 01:03:44,693 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 31 [2018-01-21 01:03:44,693 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:45,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2018-01-21 01:03:45,165 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-01-21 01:03:45,182 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 3 case distinctions, treesize of input 46 treesize of output 60 [2018-01-21 01:03:45,183 INFO L267 ElimStorePlain]: Start of recursive call 83: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-01-21 01:03:45,767 INFO L267 ElimStorePlain]: Start of recursive call 74: 4 dim-1 vars, End of recursive call: 9 dim-0 vars, and 11 xjuncts. [2018-01-21 01:03:46,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 46 treesize of output 61 [2018-01-21 01:03:46,512 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 83 DAG size of output 73 [2018-01-21 01:03:46,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-01-21 01:03:46,515 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:46,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 61 [2018-01-21 01:03:46,528 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-01-21 01:03:46,540 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 47 treesize of output 54 [2018-01-21 01:03:46,541 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-01-21 01:03:46,688 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:46,697 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 47 treesize of output 54 [2018-01-21 01:03:46,698 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-01-21 01:03:46,699 INFO L682 Elim1Store]: detected equality via solver [2018-01-21 01:03:46,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-01-21 01:03:46,700 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-01-21 01:03:46,898 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 71 [2018-01-21 01:03:46,902 INFO L267 ElimStorePlain]: Start of recursive call 90: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 32 xjuncts. [2018-01-21 01:03:46,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 46 [2018-01-21 01:03:46,933 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 4 xjuncts. [2018-01-21 01:03:47,402 INFO L267 ElimStorePlain]: Start of recursive call 84: 3 dim-1 vars, End of recursive call: 7 dim-0 vars, and 12 xjuncts. Received shutdown request... [2018-01-21 01:03:49,413 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-21 01:03:49,413 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 01:03:49,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 01:03:49 BoogieIcfgContainer [2018-01-21 01:03:49,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 01:03:49,416 INFO L168 Benchmark]: Toolchain (without parser) took 54440.49 ms. Allocated memory was 308.3 MB in the beginning and 880.3 MB in the end (delta: 572.0 MB). Free memory was 265.6 MB in the beginning and 737.2 MB in the end (delta: -471.6 MB). Peak memory consumption was 535.0 MB. Max. memory is 5.3 GB. [2018-01-21 01:03:49,416 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 308.3 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 01:03:49,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.82 ms. Allocated memory is still 308.3 MB. Free memory was 265.6 MB in the beginning and 253.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-21 01:03:49,417 INFO L168 Benchmark]: Boogie Preprocessor took 39.45 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 01:03:49,417 INFO L168 Benchmark]: RCFGBuilder took 457.43 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 221.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 5.3 GB. [2018-01-21 01:03:49,417 INFO L168 Benchmark]: TraceAbstraction took 53711.04 ms. Allocated memory was 308.3 MB in the beginning and 880.3 MB in the end (delta: 572.0 MB). Free memory was 221.2 MB in the beginning and 737.2 MB in the end (delta: -516.1 MB). Peak memory consumption was 490.5 MB. Max. memory is 5.3 GB. [2018-01-21 01:03:49,419 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 308.3 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 225.82 ms. Allocated memory is still 308.3 MB. Free memory was 265.6 MB in the beginning and 253.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.45 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 457.43 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 221.2 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 53711.04 ms. Allocated memory was 308.3 MB in the beginning and 880.3 MB in the end (delta: 572.0 MB). Free memory was 221.2 MB in the beginning and 737.2 MB in the end (delta: -516.1 MB). Peak memory consumption was 490.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 44 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 535 LocStat_NO_SUPPORTING_DISEQUALITIES : 156 LocStat_NO_DISJUNCTIONS : -88 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 50 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 94 TransStat_NO_SUPPORTING_DISEQUALITIES : 21 TransStat_NO_DISJUNCTIONS : 59 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.792182 RENAME_VARIABLES(MILLISECONDS) : 0.916243 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.735464 PROJECTAWAY(MILLISECONDS) : 1.511780 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001812 DISJOIN(MILLISECONDS) : 1.524659 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.965091 ADD_EQUALITY(MILLISECONDS) : 0.040670 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.019843 #CONJOIN_DISJUNCTIVE : 140 #RENAME_VARIABLES : 267 #UNFREEZE : 0 #CONJOIN : 267 #PROJECTAWAY : 180 #ADD_WEAK_EQUALITY : 43 #DISJOIN : 17 #RENAME_VARIABLES_DISJUNCTIVE : 233 #ADD_EQUALITY : 104 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 13 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 46 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 563 LocStat_NO_SUPPORTING_DISEQUALITIES : 158 LocStat_NO_DISJUNCTIONS : -92 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 52 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 111 TransStat_NO_SUPPORTING_DISEQUALITIES : 22 TransStat_NO_DISJUNCTIONS : 64 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.634942 RENAME_VARIABLES(MILLISECONDS) : 0.713762 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.595767 PROJECTAWAY(MILLISECONDS) : 0.485194 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001897 DISJOIN(MILLISECONDS) : 1.191553 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.761267 ADD_EQUALITY(MILLISECONDS) : 0.032915 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014869 #CONJOIN_DISJUNCTIVE : 136 #RENAME_VARIABLES : 256 #UNFREEZE : 0 #CONJOIN : 287 #PROJECTAWAY : 184 #ADD_WEAK_EQUALITY : 44 #DISJOIN : 19 #RENAME_VARIABLES_DISJUNCTIVE : 221 #ADD_EQUALITY : 113 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 13 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 66 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 783 LocStat_NO_SUPPORTING_DISEQUALITIES : 283 LocStat_NO_DISJUNCTIONS : -132 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 73 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 117 TransStat_NO_SUPPORTING_DISEQUALITIES : 29 TransStat_NO_DISJUNCTIONS : 83 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.520970 RENAME_VARIABLES(MILLISECONDS) : 0.351400 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.493981 PROJECTAWAY(MILLISECONDS) : 0.336346 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002814 DISJOIN(MILLISECONDS) : 1.074187 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.378315 ADD_EQUALITY(MILLISECONDS) : 0.023413 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014219 #CONJOIN_DISJUNCTIVE : 271 #RENAME_VARIABLES : 520 #UNFREEZE : 0 #CONJOIN : 430 #PROJECTAWAY : 331 #ADD_WEAK_EQUALITY : 69 #DISJOIN : 32 #RENAME_VARIABLES_DISJUNCTIVE : 473 #ADD_EQUALITY : 144 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 18 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 68 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 813 LocStat_NO_SUPPORTING_DISEQUALITIES : 285 LocStat_NO_DISJUNCTIONS : -136 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 75 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 134 TransStat_NO_SUPPORTING_DISEQUALITIES : 30 TransStat_NO_DISJUNCTIONS : 88 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.322955 RENAME_VARIABLES(MILLISECONDS) : 0.269706 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.300686 PROJECTAWAY(MILLISECONDS) : 0.047326 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002240 DISJOIN(MILLISECONDS) : 0.494726 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.296230 ADD_EQUALITY(MILLISECONDS) : 0.023966 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012489 #CONJOIN_DISJUNCTIVE : 271 #RENAME_VARIABLES : 538 #UNFREEZE : 0 #CONJOIN : 475 #PROJECTAWAY : 352 #ADD_WEAK_EQUALITY : 70 #DISJOIN : 27 #RENAME_VARIABLES_DISJUNCTIVE : 469 #ADD_EQUALITY : 153 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 18 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 3 procedures, 97 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L995] EXPR, FCALL malloc(sizeof(struct TSLL)) VAL [malloc(sizeof(struct TSLL))={19:0}] [L995] struct TSLL* null = malloc(sizeof(struct TSLL)); VAL [malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L996] FCALL null->next = ((void*)0) VAL [malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L997] FCALL null->prev = ((void*)0) VAL [malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L998] FCALL null->colour = BLACK VAL [malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1000] EXPR, FCALL malloc(sizeof(struct TSLL)) VAL [malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1000] struct TSLL* list = malloc(sizeof(struct TSLL)); VAL [list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1001] FCALL list->next = null VAL [list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1002] FCALL list->prev = null VAL [list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1003] FCALL list->colour = BLACK VAL [list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1005] struct TSLL* end = list; VAL [end={17:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1034] end = null [L1035] end = list VAL [end={17:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1038] COND FALSE !(!(null != end)) VAL [end={17:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1038] COND FALSE !(0) VAL [end={17:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1039] EXPR, FCALL end->colour VAL [end={17:0}, end->colour=1, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1039] COND FALSE !(!(BLACK == end->colour)) [L1039] COND FALSE !(0) VAL [end={17:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1040] COND TRUE null != end VAL [end={17:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1042] EXPR, FCALL end->colour VAL [end={17:0}, end->colour=1, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1042] COND FALSE !(RED == end->colour) [L1049] EXPR, FCALL end->next VAL [end={17:0}, end->next={19:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1049] end = end->next [L1040] COND FALSE !(null != end) VAL [end={19:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1053] COND TRUE null != list VAL [end={19:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1055] EXPR, FCALL list->colour VAL [end={19:0}, list={17:0}, list->colour=1, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1055] COND FALSE !(RED == list->colour) [L1064] EXPR, FCALL list->next VAL [end={19:0}, list={17:0}, list->next={19:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1064] end = list->next [L1065] FCALL free(list) VAL [end={19:0}, list={17:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1066] list = end VAL [end={19:0}, list={19:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1053] COND FALSE !(null != list) VAL [end={19:0}, list={19:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1070] FCALL free(null) VAL [end={19:0}, list={19:0}, malloc(sizeof(struct TSLL))={17:0}, malloc(sizeof(struct TSLL))={19:0}, null={19:0}] [L1072] return 0; - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 3 procedures, 97 locations, 3 error locations. UNSAFE Result, 1.4s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 232 SDtfs, 1017 SDslu, 255 SDs, 0 SdLazy, 273 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 67 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 8922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 993]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 993). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 131. - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 3 procedures, 97 locations, 3 error locations. TIMEOUT Result, 52.0s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 3082 SDslu, 3267 SDs, 0 SdLazy, 3227 SolverSat, 259 SolverUnsat, 55 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 691 SyntacticMatches, 18 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4025 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 190 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1113 ConstructedInterpolants, 58 QuantifiedInterpolants, 935064 SizeOfPredicates, 107 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 208 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 46/139 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-3-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-3-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_01-03-49-430.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_imprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_01-03-49-430.csv Completed graceful shutdown