java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-queue_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:04:14,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:04:14,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:04:14,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:04:14,288 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:04:14,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:04:14,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:04:14,291 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:04:14,293 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:04:14,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:04:14,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:04:14,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:04:14,296 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:04:14,297 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:04:14,297 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:04:14,299 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:04:14,301 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:04:14,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:04:14,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:04:14,305 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:04:14,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:04:14,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:04:14,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:04:14,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:04:14,309 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:04:14,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:04:14,310 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:04:14,311 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:04:14,311 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:04:14,311 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:04:14,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:04:14,312 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-04 20:04:14,321 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:04:14,321 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:04:14,322 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:04:14,322 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:04:14,322 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:04:14,322 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:04:14,322 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:04:14,322 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:04:14,322 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:04:14,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:04:14,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:04:14,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:04:14,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:04:14,324 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 20:04:14,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 20:04:14,324 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-04 20:04:14,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:04:14,362 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:04:14,364 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:04:14,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:04:14,366 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:04:14,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:04:14,497 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:04:14,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:04:14,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:04:14,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:04:14,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:04:14,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d59df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14, skipping insertion in model container [2018-02-04 20:04:14,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,515 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:04:14,545 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:04:14,641 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:04:14,661 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:04:14,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14 WrapperNode [2018-02-04 20:04:14,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:04:14,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:04:14,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:04:14,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:04:14,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... [2018-02-04 20:04:14,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:04:14,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:04:14,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:04:14,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:04:14,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:04:14,729 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:04:14,729 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:04:14,729 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:04:14,729 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:04:14,729 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:04:14,730 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:04:14,731 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 20:04:14,731 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:04:14,731 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:04:14,731 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:04:15,135 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:04:15,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:04:15 BoogieIcfgContainer [2018-02-04 20:04:15,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:04:15,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:04:15,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:04:15,139 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:04:15,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:04:14" (1/3) ... [2018-02-04 20:04:15,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1409ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:04:15, skipping insertion in model container [2018-02-04 20:04:15,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:04:14" (2/3) ... [2018-02-04 20:04:15,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1409ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:04:15, skipping insertion in model container [2018-02-04 20:04:15,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:04:15" (3/3) ... [2018-02-04 20:04:15,142 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-queue_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:04:15,147 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:04:15,153 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-02-04 20:04:15,177 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:04:15,177 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:04:15,178 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 20:04:15,178 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 20:04:15,178 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:04:15,178 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:04:15,178 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:04:15,178 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:04:15,179 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:04:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-02-04 20:04:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:04:15,197 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:15,198 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:15,198 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:15,201 INFO L82 PathProgramCache]: Analyzing trace with hash 865717012, now seen corresponding path program 1 times [2018-02-04 20:04:15,202 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:15,202 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:15,233 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:15,233 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:15,233 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:15,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:15,318 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:15,318 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:04:15,319 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:04:15,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:04:15,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:04:15,335 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2018-02-04 20:04:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:15,564 INFO L93 Difference]: Finished difference Result 164 states and 175 transitions. [2018-02-04 20:04:15,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:04:15,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 20:04:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:15,572 INFO L225 Difference]: With dead ends: 164 [2018-02-04 20:04:15,572 INFO L226 Difference]: Without dead ends: 160 [2018-02-04 20:04:15,573 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:04:15,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-02-04 20:04:15,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 152. [2018-02-04 20:04:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-02-04 20:04:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 164 transitions. [2018-02-04 20:04:15,600 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 164 transitions. Word has length 8 [2018-02-04 20:04:15,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:15,600 INFO L432 AbstractCegarLoop]: Abstraction has 152 states and 164 transitions. [2018-02-04 20:04:15,600 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:04:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 164 transitions. [2018-02-04 20:04:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:04:15,601 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:15,601 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:15,601 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:15,601 INFO L82 PathProgramCache]: Analyzing trace with hash 865717013, now seen corresponding path program 1 times [2018-02-04 20:04:15,601 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:15,601 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:15,602 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:15,602 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:15,602 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:15,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:15,661 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:15,661 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:04:15,662 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:04:15,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:04:15,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:04:15,663 INFO L87 Difference]: Start difference. First operand 152 states and 164 transitions. Second operand 4 states. [2018-02-04 20:04:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:15,782 INFO L93 Difference]: Finished difference Result 146 states and 156 transitions. [2018-02-04 20:04:15,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:04:15,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 20:04:15,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:15,784 INFO L225 Difference]: With dead ends: 146 [2018-02-04 20:04:15,784 INFO L226 Difference]: Without dead ends: 146 [2018-02-04 20:04:15,785 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:04:15,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-02-04 20:04:15,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2018-02-04 20:04:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 20:04:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 153 transitions. [2018-02-04 20:04:15,792 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 153 transitions. Word has length 8 [2018-02-04 20:04:15,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:15,793 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 153 transitions. [2018-02-04 20:04:15,793 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:04:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2018-02-04 20:04:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 20:04:15,793 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:15,794 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:15,794 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:15,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1721247779, now seen corresponding path program 1 times [2018-02-04 20:04:15,794 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:15,794 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:15,795 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:15,795 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:15,795 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:15,812 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:15,820 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:15,820 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:15,820 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:15,821 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:15,854 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:15,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:15,881 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:15,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:15,885 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 20:04:15,899 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 12 treesize of output 11 [2018-02-04 20:04:15,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:15,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:15,903 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-02-04 20:04:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:15,918 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:15,919 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:04:15,919 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:04:15,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:04:15,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:04:15,919 INFO L87 Difference]: Start difference. First operand 142 states and 153 transitions. Second operand 5 states. [2018-02-04 20:04:16,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:16,027 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2018-02-04 20:04:16,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:04:16,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-04 20:04:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:16,029 INFO L225 Difference]: With dead ends: 147 [2018-02-04 20:04:16,029 INFO L226 Difference]: Without dead ends: 147 [2018-02-04 20:04:16,030 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 20:04:16,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-02-04 20:04:16,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2018-02-04 20:04:16,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 20:04:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 155 transitions. [2018-02-04 20:04:16,036 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 155 transitions. Word has length 15 [2018-02-04 20:04:16,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:16,037 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 155 transitions. [2018-02-04 20:04:16,037 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:04:16,037 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 155 transitions. [2018-02-04 20:04:16,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 20:04:16,037 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:16,037 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:16,037 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:16,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1721247778, now seen corresponding path program 1 times [2018-02-04 20:04:16,038 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:16,038 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:16,039 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,039 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,039 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,052 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:16,057 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:16,057 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:16,057 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:16,058 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,085 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:16,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:16,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:16,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:16,093 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:04:16,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:16,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:16,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:16,135 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2018-02-04 20:04:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:16,142 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:16,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:04:16,143 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:04:16,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:04:16,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:04:16,144 INFO L87 Difference]: Start difference. First operand 142 states and 155 transitions. Second operand 6 states. [2018-02-04 20:04:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:16,302 INFO L93 Difference]: Finished difference Result 223 states and 238 transitions. [2018-02-04 20:04:16,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:04:16,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-04 20:04:16,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:16,308 INFO L225 Difference]: With dead ends: 223 [2018-02-04 20:04:16,308 INFO L226 Difference]: Without dead ends: 223 [2018-02-04 20:04:16,309 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-02-04 20:04:16,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-02-04 20:04:16,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 148. [2018-02-04 20:04:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 20:04:16,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 161 transitions. [2018-02-04 20:04:16,316 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 161 transitions. Word has length 15 [2018-02-04 20:04:16,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:16,316 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 161 transitions. [2018-02-04 20:04:16,316 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:04:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 161 transitions. [2018-02-04 20:04:16,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 20:04:16,317 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:16,317 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:16,317 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:16,317 INFO L82 PathProgramCache]: Analyzing trace with hash -78043106, now seen corresponding path program 1 times [2018-02-04 20:04:16,317 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:16,317 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:16,318 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,318 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,318 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,331 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:16,364 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:16,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:04:16,365 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:04:16,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:04:16,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:04:16,367 INFO L87 Difference]: Start difference. First operand 148 states and 161 transitions. Second operand 6 states. [2018-02-04 20:04:16,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:16,583 INFO L93 Difference]: Finished difference Result 242 states and 260 transitions. [2018-02-04 20:04:16,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:04:16,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 20:04:16,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:16,585 INFO L225 Difference]: With dead ends: 242 [2018-02-04 20:04:16,585 INFO L226 Difference]: Without dead ends: 242 [2018-02-04 20:04:16,585 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:04:16,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-02-04 20:04:16,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 147. [2018-02-04 20:04:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 20:04:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 160 transitions. [2018-02-04 20:04:16,590 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 160 transitions. Word has length 18 [2018-02-04 20:04:16,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:16,590 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 160 transitions. [2018-02-04 20:04:16,590 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:04:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 160 transitions. [2018-02-04 20:04:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 20:04:16,591 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:16,591 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:16,591 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:16,591 INFO L82 PathProgramCache]: Analyzing trace with hash -78043105, now seen corresponding path program 1 times [2018-02-04 20:04:16,592 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:16,592 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:16,592 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,593 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,593 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,602 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:16,657 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:16,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:04:16,658 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:04:16,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:04:16,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:04:16,658 INFO L87 Difference]: Start difference. First operand 147 states and 160 transitions. Second operand 6 states. [2018-02-04 20:04:16,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:16,869 INFO L93 Difference]: Finished difference Result 244 states and 265 transitions. [2018-02-04 20:04:16,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 20:04:16,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 20:04:16,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:16,870 INFO L225 Difference]: With dead ends: 244 [2018-02-04 20:04:16,871 INFO L226 Difference]: Without dead ends: 244 [2018-02-04 20:04:16,871 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 20:04:16,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-04 20:04:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 135. [2018-02-04 20:04:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 20:04:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 147 transitions. [2018-02-04 20:04:16,875 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 147 transitions. Word has length 18 [2018-02-04 20:04:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:16,875 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 147 transitions. [2018-02-04 20:04:16,875 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:04:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 147 transitions. [2018-02-04 20:04:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 20:04:16,876 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:16,876 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:16,876 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:16,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1676211553, now seen corresponding path program 1 times [2018-02-04 20:04:16,877 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:16,877 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:16,877 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,877 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,877 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,886 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:16,889 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:16,889 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:16,889 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:16,890 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,907 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:16,915 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:16,915 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:04:16,915 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:04:16,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:04:16,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:04:16,916 INFO L87 Difference]: Start difference. First operand 135 states and 147 transitions. Second operand 4 states. [2018-02-04 20:04:16,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:16,940 INFO L93 Difference]: Finished difference Result 181 states and 197 transitions. [2018-02-04 20:04:16,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:04:16,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-02-04 20:04:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:16,941 INFO L225 Difference]: With dead ends: 181 [2018-02-04 20:04:16,941 INFO L226 Difference]: Without dead ends: 181 [2018-02-04 20:04:16,942 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:04:16,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-04 20:04:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 162. [2018-02-04 20:04:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-02-04 20:04:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 179 transitions. [2018-02-04 20:04:16,946 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 179 transitions. Word has length 28 [2018-02-04 20:04:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:16,946 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 179 transitions. [2018-02-04 20:04:16,946 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:04:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2018-02-04 20:04:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 20:04:16,947 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:16,947 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:16,947 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:16,947 INFO L82 PathProgramCache]: Analyzing trace with hash -423751239, now seen corresponding path program 1 times [2018-02-04 20:04:16,947 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:16,947 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:16,948 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,948 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,948 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,956 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:16,958 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:16,958 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:16,958 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:16,959 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:16,972 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:16,982 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:16,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:04:16,983 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:04:16,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:04:16,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:04:16,983 INFO L87 Difference]: Start difference. First operand 162 states and 179 transitions. Second operand 4 states. [2018-02-04 20:04:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:17,003 INFO L93 Difference]: Finished difference Result 166 states and 182 transitions. [2018-02-04 20:04:17,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:04:17,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-02-04 20:04:17,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:17,004 INFO L225 Difference]: With dead ends: 166 [2018-02-04 20:04:17,004 INFO L226 Difference]: Without dead ends: 166 [2018-02-04 20:04:17,004 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:04:17,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-02-04 20:04:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2018-02-04 20:04:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-02-04 20:04:17,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 178 transitions. [2018-02-04 20:04:17,007 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 178 transitions. Word has length 29 [2018-02-04 20:04:17,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:17,007 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 178 transitions. [2018-02-04 20:04:17,007 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:04:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 178 transitions. [2018-02-04 20:04:17,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 20:04:17,007 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:17,007 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:17,007 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:17,008 INFO L82 PathProgramCache]: Analyzing trace with hash -226605872, now seen corresponding path program 1 times [2018-02-04 20:04:17,008 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:17,008 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:17,008 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,008 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,008 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:17,017 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:17,017 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:17,017 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:17,017 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,034 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:17,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:17,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:17,044 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:17,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:17,054 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,055 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,059 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-02-04 20:04:17,069 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 27 treesize of output 22 [2018-02-04 20:04:17,072 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:17,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 20:04:17,076 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,079 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,088 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 27 treesize of output 22 [2018-02-04 20:04:17,090 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:17,092 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 [2018-02-04 20:04:17,092 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,095 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,097 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:53, output treesize:15 [2018-02-04 20:04:17,102 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 [2018-02-04 20:04:17,103 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 [2018-02-04 20:04:17,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,105 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,109 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 [2018-02-04 20:04:17,110 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 [2018-02-04 20:04:17,111 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,112 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,114 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-02-04 20:04:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:17,130 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:17,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 20:04:17,130 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:04:17,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:04:17,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:04:17,130 INFO L87 Difference]: Start difference. First operand 162 states and 178 transitions. Second operand 6 states. [2018-02-04 20:04:17,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:17,208 INFO L93 Difference]: Finished difference Result 161 states and 173 transitions. [2018-02-04 20:04:17,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:04:17,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-02-04 20:04:17,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:17,209 INFO L225 Difference]: With dead ends: 161 [2018-02-04 20:04:17,209 INFO L226 Difference]: Without dead ends: 161 [2018-02-04 20:04:17,209 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-02-04 20:04:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-02-04 20:04:17,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 156. [2018-02-04 20:04:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 20:04:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2018-02-04 20:04:17,211 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 30 [2018-02-04 20:04:17,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:17,212 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2018-02-04 20:04:17,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:04:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2018-02-04 20:04:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 20:04:17,213 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:17,213 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:17,215 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:17,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1827708399, now seen corresponding path program 1 times [2018-02-04 20:04:17,215 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:17,215 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:17,216 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,222 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,223 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:17,297 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:17,297 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:17,297 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,317 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:17,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:17,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:17,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,326 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:17,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:17,332 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,333 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,336 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,336 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-02-04 20:04:17,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-02-04 20:04:17,345 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:17,346 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 [2018-02-04 20:04:17,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 22 [2018-02-04 20:04:17,357 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:17,358 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 [2018-02-04 20:04:17,359 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,361 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,364 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:53, output treesize:15 [2018-02-04 20:04:17,371 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 [2018-02-04 20:04:17,372 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 11 treesize of output 3 [2018-02-04 20:04:17,372 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,378 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 15 treesize of output 11 [2018-02-04 20:04:17,379 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 [2018-02-04 20:04:17,379 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,380 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,382 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-02-04 20:04:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:17,392 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 20:04:17,392 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2018-02-04 20:04:17,392 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 20:04:17,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 20:04:17,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-04 20:04:17,393 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 8 states. [2018-02-04 20:04:17,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:17,525 INFO L93 Difference]: Finished difference Result 185 states and 201 transitions. [2018-02-04 20:04:17,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 20:04:17,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-02-04 20:04:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:17,526 INFO L225 Difference]: With dead ends: 185 [2018-02-04 20:04:17,526 INFO L226 Difference]: Without dead ends: 185 [2018-02-04 20:04:17,527 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-02-04 20:04:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-02-04 20:04:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 167. [2018-02-04 20:04:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-02-04 20:04:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 180 transitions. [2018-02-04 20:04:17,530 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 180 transitions. Word has length 33 [2018-02-04 20:04:17,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:17,530 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 180 transitions. [2018-02-04 20:04:17,530 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 20:04:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2018-02-04 20:04:17,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 20:04:17,531 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:17,531 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:17,531 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:17,532 INFO L82 PathProgramCache]: Analyzing trace with hash -824386741, now seen corresponding path program 1 times [2018-02-04 20:04:17,532 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:17,532 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:17,532 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,532 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,533 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,539 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:17,541 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:17,541 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:17,541 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:17,542 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,558 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:17,615 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~item~0.base Int)) (and (= (store |c_old(#valid)| main_~item~0.base 0) |c_#valid|) (= (select |c_old(#valid)| main_~item~0.base) 0) (not (= main_~item~0.base 0)))) is different from true [2018-02-04 20:04:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-02-04 20:04:17,620 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:17,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 20:04:17,620 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 20:04:17,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 20:04:17,620 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=43, Unknown=1, NotChecked=12, Total=72 [2018-02-04 20:04:17,620 INFO L87 Difference]: Start difference. First operand 167 states and 180 transitions. Second operand 9 states. [2018-02-04 20:04:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:17,851 INFO L93 Difference]: Finished difference Result 177 states and 189 transitions. [2018-02-04 20:04:17,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 20:04:17,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-02-04 20:04:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:17,852 INFO L225 Difference]: With dead ends: 177 [2018-02-04 20:04:17,852 INFO L226 Difference]: Without dead ends: 156 [2018-02-04 20:04:17,853 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=132, Unknown=2, NotChecked=24, Total=210 [2018-02-04 20:04:17,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-02-04 20:04:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-02-04 20:04:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 20:04:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2018-02-04 20:04:17,855 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 34 [2018-02-04 20:04:17,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:17,855 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2018-02-04 20:04:17,855 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 20:04:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2018-02-04 20:04:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 20:04:17,856 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:17,856 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:17,856 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:17,856 INFO L82 PathProgramCache]: Analyzing trace with hash 794126113, now seen corresponding path program 1 times [2018-02-04 20:04:17,857 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:17,857 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:17,857 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,857 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,858 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,867 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:17,884 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:17,885 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:04:17,885 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 20:04:17,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 20:04:17,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:04:17,885 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 3 states. [2018-02-04 20:04:17,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:17,904 INFO L93 Difference]: Finished difference Result 228 states and 246 transitions. [2018-02-04 20:04:17,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 20:04:17,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-02-04 20:04:17,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:17,905 INFO L225 Difference]: With dead ends: 228 [2018-02-04 20:04:17,905 INFO L226 Difference]: Without dead ends: 228 [2018-02-04 20:04:17,906 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:04:17,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-02-04 20:04:17,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 178. [2018-02-04 20:04:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-02-04 20:04:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 191 transitions. [2018-02-04 20:04:17,909 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 191 transitions. Word has length 45 [2018-02-04 20:04:17,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:17,910 INFO L432 AbstractCegarLoop]: Abstraction has 178 states and 191 transitions. [2018-02-04 20:04:17,910 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 20:04:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 191 transitions. [2018-02-04 20:04:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 20:04:17,911 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:17,911 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:17,911 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:17,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1588040751, now seen corresponding path program 1 times [2018-02-04 20:04:17,911 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:17,911 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:17,912 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,912 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,912 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,922 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:17,927 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:17,927 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:17,927 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:17,928 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:17,961 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:17,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:17,967 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,971 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:04:17,994 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 3 [2018-02-04 20:04:17,995 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:17,999 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:9 [2018-02-04 20:04:18,018 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:18,021 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:18,022 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:18,023 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 0 case distinctions, treesize of input 17 treesize of output 28 [2018-02-04 20:04:18,024 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 20:04:18,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:18,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:18,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,063 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-02-04 20:04:18,140 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:18,142 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 36 treesize of output 37 [2018-02-04 20:04:18,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:18,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2018-02-04 20:04:18,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 20:04:18,182 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:18,184 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 [2018-02-04 20:04:18,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:18,197 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:37 [2018-02-04 20:04:18,245 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 36 treesize of output 24 [2018-02-04 20:04:18,247 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 19 treesize of output 10 [2018-02-04 20:04:18,247 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:18,253 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:18,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:18,260 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:41, output treesize:15 [2018-02-04 20:04:18,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:18,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:18,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 20:04:18,304 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 20:04:18,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 20:04:18,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-02-04 20:04:18,305 INFO L87 Difference]: Start difference. First operand 178 states and 191 transitions. Second operand 15 states. [2018-02-04 20:04:28,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:28,843 INFO L93 Difference]: Finished difference Result 253 states and 274 transitions. [2018-02-04 20:04:28,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 20:04:28,843 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2018-02-04 20:04:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:28,844 INFO L225 Difference]: With dead ends: 253 [2018-02-04 20:04:28,844 INFO L226 Difference]: Without dead ends: 253 [2018-02-04 20:04:28,844 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=607, Unknown=0, NotChecked=0, Total=812 [2018-02-04 20:04:28,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-02-04 20:04:28,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 211. [2018-02-04 20:04:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-02-04 20:04:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 229 transitions. [2018-02-04 20:04:28,847 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 229 transitions. Word has length 52 [2018-02-04 20:04:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:28,847 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 229 transitions. [2018-02-04 20:04:28,847 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 20:04:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 229 transitions. [2018-02-04 20:04:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 20:04:28,848 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:28,848 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:28,848 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:28,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1588040750, now seen corresponding path program 1 times [2018-02-04 20:04:28,849 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:28,849 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:28,849 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:28,850 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:28,850 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:28,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:28,867 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:28,867 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:28,867 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:28,868 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:28,899 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:28,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:28,927 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:28,939 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:28,940 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:28,940 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 11 treesize of output 15 [2018-02-04 20:04:28,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:28,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:28,949 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2018-02-04 20:04:28,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:28,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:28,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:28,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:28,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:28,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:28,997 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:28,997 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,003 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:34 [2018-02-04 20:04:29,032 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:29,035 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 19 treesize of output 24 [2018-02-04 20:04:29,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:29,036 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,052 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:29,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-02-04 20:04:29,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:29,056 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,062 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,070 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:49 [2018-02-04 20:04:29,091 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 50 treesize of output 45 [2018-02-04 20:04:29,093 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:29,094 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 [2018-02-04 20:04:29,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,099 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,111 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 71 treesize of output 61 [2018-02-04 20:04:29,113 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:29,114 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 [2018-02-04 20:04:29,114 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,119 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,124 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. [2018-02-04 20:04:29,124 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:112, output treesize:50 [2018-02-04 20:04:29,165 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 47 treesize of output 33 [2018-02-04 20:04:29,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:29,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,182 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 28 treesize of output 17 [2018-02-04 20:04:29,183 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,194 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 22 treesize of output 20 [2018-02-04 20:04:29,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:29,196 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,202 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 [2018-02-04 20:04:29,202 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,203 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,207 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:61, output treesize:9 [2018-02-04 20:04:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:29,228 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:29,228 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 20:04:29,228 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 20:04:29,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 20:04:29,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-02-04 20:04:29,229 INFO L87 Difference]: Start difference. First operand 211 states and 229 transitions. Second operand 14 states. [2018-02-04 20:04:29,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:29,708 INFO L93 Difference]: Finished difference Result 251 states and 272 transitions. [2018-02-04 20:04:29,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 20:04:29,708 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 52 [2018-02-04 20:04:29,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:29,709 INFO L225 Difference]: With dead ends: 251 [2018-02-04 20:04:29,709 INFO L226 Difference]: Without dead ends: 251 [2018-02-04 20:04:29,710 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=496, Unknown=0, NotChecked=0, Total=650 [2018-02-04 20:04:29,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-02-04 20:04:29,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 215. [2018-02-04 20:04:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-02-04 20:04:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 232 transitions. [2018-02-04 20:04:29,714 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 232 transitions. Word has length 52 [2018-02-04 20:04:29,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:29,714 INFO L432 AbstractCegarLoop]: Abstraction has 215 states and 232 transitions. [2018-02-04 20:04:29,714 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 20:04:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 232 transitions. [2018-02-04 20:04:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 20:04:29,715 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:29,715 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:29,715 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:29,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1589506591, now seen corresponding path program 1 times [2018-02-04 20:04:29,715 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:29,715 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:29,716 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:29,716 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:29,716 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:29,727 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:29,729 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:29,729 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:29,729 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:29,730 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:29,761 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:29,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:29,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:29,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:29,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:29,796 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,798 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,802 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-02-04 20:04:29,815 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 27 treesize of output 22 [2018-02-04 20:04:29,818 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:29,819 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 [2018-02-04 20:04:29,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,833 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 27 treesize of output 22 [2018-02-04 20:04:29,834 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:29,835 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 [2018-02-04 20:04:29,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,840 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:18 [2018-02-04 20:04:29,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:29,849 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,855 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2018-02-04 20:04:29,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-02-04 20:04:29,874 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 14 treesize of output 22 [2018-02-04 20:04:29,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:29,882 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:29,893 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-02-04 20:04:29,895 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 14 treesize of output 18 [2018-02-04 20:04:29,896 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,906 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:29,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:29,917 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:71 [2018-02-04 20:04:30,004 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 74 [2018-02-04 20:04:30,006 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 71 treesize of output 74 [2018-02-04 20:04:30,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,057 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 80 [2018-02-04 20:04:30,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 82 [2018-02-04 20:04:30,060 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,082 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,120 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 66 [2018-02-04 20:04:30,123 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 57 treesize of output 60 [2018-02-04 20:04:30,123 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,150 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:30,151 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 52 treesize of output 51 [2018-02-04 20:04:30,151 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,167 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:30,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 68 [2018-02-04 20:04:30,210 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 65 treesize of output 68 [2018-02-04 20:04:30,210 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,228 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:30,229 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:30,230 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2018-02-04 20:04:30,231 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-02-04 20:04:30,231 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,236 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 20:04:30,262 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 5 variables, input treesize:127, output treesize:164 [2018-02-04 20:04:30,311 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 142 treesize of output 133 [2018-02-04 20:04:30,314 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:30,316 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 137 treesize of output 125 [2018-02-04 20:04:30,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,382 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:30,391 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 3 case distinctions, treesize of input 96 treesize of output 106 [2018-02-04 20:04:30,391 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:30,437 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:30,581 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 66 treesize of output 53 [2018-02-04 20:04:30,583 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:30,583 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:30,584 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 33 [2018-02-04 20:04:30,585 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,590 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,601 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 103 [2018-02-04 20:04:30,604 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:30,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 85 treesize of output 96 [2018-02-04 20:04:30,614 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:30,650 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:30,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 78 [2018-02-04 20:04:30,651 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,670 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:30,734 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 53 treesize of output 48 [2018-02-04 20:04:30,736 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 18 treesize of output 7 [2018-02-04 20:04:30,736 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,741 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,789 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 38 treesize of output 33 [2018-02-04 20:04:30,791 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 18 treesize of output 7 [2018-02-04 20:04:30,791 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,799 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,841 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 128 treesize of output 121 [2018-02-04 20:04:30,844 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:30,846 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 123 treesize of output 111 [2018-02-04 20:04:30,846 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,869 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 91 [2018-02-04 20:04:30,902 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:30,903 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 84 treesize of output 72 [2018-02-04 20:04:30,903 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,919 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:30,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 20:04:30,944 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 7 variables, input treesize:324, output treesize:138 [2018-02-04 20:04:31,123 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:31,124 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 45 treesize of output 39 [2018-02-04 20:04:31,126 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 20 [2018-02-04 20:04:31,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,131 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 5 treesize of output 3 [2018-02-04 20:04:31,131 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,147 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:76, output treesize:46 [2018-02-04 20:04:31,248 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:31,249 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:31,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2018-02-04 20:04:31,254 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 15 [2018-02-04 20:04:31,255 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,260 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 25 treesize of output 14 [2018-02-04 20:04:31,260 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,266 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:40, output treesize:18 [2018-02-04 20:04:31,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:31,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-02-04 20:04:31,295 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:31,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:31,299 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:19 [2018-02-04 20:04:31,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:31,332 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:31,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 20:04:31,332 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 20:04:31,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 20:04:31,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=413, Unknown=20, NotChecked=0, Total=506 [2018-02-04 20:04:31,332 INFO L87 Difference]: Start difference. First operand 215 states and 232 transitions. Second operand 23 states. [2018-02-04 20:04:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:32,764 INFO L93 Difference]: Finished difference Result 250 states and 270 transitions. [2018-02-04 20:04:32,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 20:04:32,764 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 57 [2018-02-04 20:04:32,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:32,765 INFO L225 Difference]: With dead ends: 250 [2018-02-04 20:04:32,765 INFO L226 Difference]: Without dead ends: 250 [2018-02-04 20:04:32,766 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=280, Invalid=1486, Unknown=40, NotChecked=0, Total=1806 [2018-02-04 20:04:32,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-02-04 20:04:32,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 239. [2018-02-04 20:04:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 20:04:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 264 transitions. [2018-02-04 20:04:32,770 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 264 transitions. Word has length 57 [2018-02-04 20:04:32,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:32,771 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 264 transitions. [2018-02-04 20:04:32,771 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 20:04:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 264 transitions. [2018-02-04 20:04:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 20:04:32,771 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:32,771 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:32,772 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:32,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1589506590, now seen corresponding path program 1 times [2018-02-04 20:04:32,772 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:32,772 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:32,773 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:32,773 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:32,773 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:32,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:32,789 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:32,789 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:32,789 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:32,790 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:32,812 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:32,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:32,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,838 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:32,839 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:32,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-02-04 20:04:32,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,847 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-02-04 20:04:32,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:32,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:32,858 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,859 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:32,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:32,870 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,873 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,880 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:31 [2018-02-04 20:04:32,925 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:32,929 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 26 treesize of output 31 [2018-02-04 20:04:32,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:32,932 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,939 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,954 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:32,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-02-04 20:04:32,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:32,961 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,970 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:32,983 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:64, output treesize:56 [2018-02-04 20:04:33,013 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 57 treesize of output 52 [2018-02-04 20:04:33,026 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:33,028 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 [2018-02-04 20:04:33,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,059 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 71 treesize of output 61 [2018-02-04 20:04:33,063 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:33,064 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 [2018-02-04 20:04:33,065 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,073 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,084 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. [2018-02-04 20:04:33,084 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:119, output treesize:57 [2018-02-04 20:04:33,160 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 47 treesize of output 33 [2018-02-04 20:04:33,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-02-04 20:04:33,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:33,168 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,181 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 29 treesize of output 25 [2018-02-04 20:04:33,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:33,182 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:04:33,190 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,192 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,197 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:71, output treesize:12 [2018-02-04 20:04:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:33,228 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:33,228 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 20:04:33,229 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 20:04:33,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 20:04:33,229 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-02-04 20:04:33,229 INFO L87 Difference]: Start difference. First operand 239 states and 264 transitions. Second operand 12 states. [2018-02-04 20:04:33,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:33,853 INFO L93 Difference]: Finished difference Result 248 states and 268 transitions. [2018-02-04 20:04:33,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 20:04:33,854 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2018-02-04 20:04:33,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:33,855 INFO L225 Difference]: With dead ends: 248 [2018-02-04 20:04:33,855 INFO L226 Difference]: Without dead ends: 248 [2018-02-04 20:04:33,855 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2018-02-04 20:04:33,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-02-04 20:04:33,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 239. [2018-02-04 20:04:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 20:04:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 263 transitions. [2018-02-04 20:04:33,859 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 263 transitions. Word has length 57 [2018-02-04 20:04:33,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:33,859 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 263 transitions. [2018-02-04 20:04:33,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 20:04:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 263 transitions. [2018-02-04 20:04:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 20:04:33,860 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:33,860 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:33,860 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:33,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1492535714, now seen corresponding path program 1 times [2018-02-04 20:04:33,860 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:33,860 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:33,861 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:33,861 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:33,861 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:33,871 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:33,878 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:33,879 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:33,879 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:33,879 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:33,900 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:33,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:33,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:33,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,930 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,934 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-02-04 20:04:33,968 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 36 [2018-02-04 20:04:33,970 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 27 treesize of output 30 [2018-02-04 20:04:33,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,987 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:33,987 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:29 [2018-02-04 20:04:34,030 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 50 [2018-02-04 20:04:34,033 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:34,035 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 45 treesize of output 37 [2018-02-04 20:04:34,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:34,053 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:22 [2018-02-04 20:04:34,066 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 [2018-02-04 20:04:34,067 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 11 treesize of output 3 [2018-02-04 20:04:34,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,069 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,070 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-02-04 20:04:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:34,101 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:34,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 20:04:34,101 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 20:04:34,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 20:04:34,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-02-04 20:04:34,102 INFO L87 Difference]: Start difference. First operand 239 states and 263 transitions. Second operand 15 states. [2018-02-04 20:04:34,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:34,409 INFO L93 Difference]: Finished difference Result 250 states and 270 transitions. [2018-02-04 20:04:34,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 20:04:34,409 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 59 [2018-02-04 20:04:34,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:34,410 INFO L225 Difference]: With dead ends: 250 [2018-02-04 20:04:34,410 INFO L226 Difference]: Without dead ends: 250 [2018-02-04 20:04:34,411 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=237, Invalid=519, Unknown=0, NotChecked=0, Total=756 [2018-02-04 20:04:34,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-02-04 20:04:34,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 241. [2018-02-04 20:04:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-02-04 20:04:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 266 transitions. [2018-02-04 20:04:34,414 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 266 transitions. Word has length 59 [2018-02-04 20:04:34,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:34,415 INFO L432 AbstractCegarLoop]: Abstraction has 241 states and 266 transitions. [2018-02-04 20:04:34,415 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 20:04:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 266 transitions. [2018-02-04 20:04:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 20:04:34,415 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:34,415 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:34,416 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:34,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1492535715, now seen corresponding path program 1 times [2018-02-04 20:04:34,416 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:34,416 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:34,417 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:34,417 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:34,417 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:34,424 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 20:04:34,448 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:34,448 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:04:34,449 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:04:34,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:04:34,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:04:34,449 INFO L87 Difference]: Start difference. First operand 241 states and 266 transitions. Second operand 4 states. [2018-02-04 20:04:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:34,547 INFO L93 Difference]: Finished difference Result 244 states and 267 transitions. [2018-02-04 20:04:34,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:04:34,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-02-04 20:04:34,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:34,549 INFO L225 Difference]: With dead ends: 244 [2018-02-04 20:04:34,549 INFO L226 Difference]: Without dead ends: 244 [2018-02-04 20:04:34,549 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:04:34,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-04 20:04:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 235. [2018-02-04 20:04:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-02-04 20:04:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 259 transitions. [2018-02-04 20:04:34,553 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 259 transitions. Word has length 59 [2018-02-04 20:04:34,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:34,553 INFO L432 AbstractCegarLoop]: Abstraction has 235 states and 259 transitions. [2018-02-04 20:04:34,553 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:04:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 259 transitions. [2018-02-04 20:04:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 20:04:34,554 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:34,554 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 20:04:34,554 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:34,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1664588139, now seen corresponding path program 2 times [2018-02-04 20:04:34,554 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:34,554 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:34,555 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:34,555 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:34,555 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:34,565 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:34,568 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:34,568 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:34,568 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:34,568 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 20:04:34,605 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 20:04:34,605 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:04:34,608 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:34,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:34,612 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,615 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:04:34,634 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:34,634 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:34,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 20:04:34,635 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,641 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 20:04:34,655 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:34,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:34,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,659 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:34,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:34,673 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,674 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,680 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:25 [2018-02-04 20:04:34,720 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:34,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 20:04:34,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:34,726 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2018-02-04 20:04:34,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:34,752 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,759 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,771 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:58, output treesize:50 [2018-02-04 20:04:34,811 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 57 treesize of output 52 [2018-02-04 20:04:34,813 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:34,814 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 [2018-02-04 20:04:34,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,833 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 62 treesize of output 52 [2018-02-04 20:04:34,835 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:34,837 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 [2018-02-04 20:04:34,837 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,841 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,849 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. [2018-02-04 20:04:34,849 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:113, output treesize:51 [2018-02-04 20:04:34,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 48 [2018-02-04 20:04:34,946 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:34,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-02-04 20:04:34,947 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,955 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 29 treesize of output 23 [2018-02-04 20:04:34,956 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:34,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:34,978 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 40 treesize of output 32 [2018-02-04 20:04:34,980 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:34,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-02-04 20:04:34,981 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:04:34,990 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:34,994 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:35,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:35,002 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:92, output treesize:10 [2018-02-04 20:04:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:35,083 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:35,083 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 20:04:35,083 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 20:04:35,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 20:04:35,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-02-04 20:04:35,084 INFO L87 Difference]: Start difference. First operand 235 states and 259 transitions. Second operand 17 states. [2018-02-04 20:04:36,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:36,020 INFO L93 Difference]: Finished difference Result 253 states and 272 transitions. [2018-02-04 20:04:36,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 20:04:36,021 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 62 [2018-02-04 20:04:36,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:36,022 INFO L225 Difference]: With dead ends: 253 [2018-02-04 20:04:36,022 INFO L226 Difference]: Without dead ends: 253 [2018-02-04 20:04:36,022 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2018-02-04 20:04:36,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-02-04 20:04:36,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 235. [2018-02-04 20:04:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-02-04 20:04:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 259 transitions. [2018-02-04 20:04:36,026 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 259 transitions. Word has length 62 [2018-02-04 20:04:36,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:36,026 INFO L432 AbstractCegarLoop]: Abstraction has 235 states and 259 transitions. [2018-02-04 20:04:36,027 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 20:04:36,027 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 259 transitions. [2018-02-04 20:04:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 20:04:36,027 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:36,027 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:36,027 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:36,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1835779677, now seen corresponding path program 1 times [2018-02-04 20:04:36,028 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:36,028 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:36,028 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:36,028 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:04:36,029 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:36,049 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:36,074 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:36,074 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:04:36,074 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:04:36,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:04:36,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:04:36,075 INFO L87 Difference]: Start difference. First operand 235 states and 259 transitions. Second operand 4 states. [2018-02-04 20:04:36,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:36,097 INFO L93 Difference]: Finished difference Result 277 states and 300 transitions. [2018-02-04 20:04:36,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 20:04:36,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-02-04 20:04:36,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:36,098 INFO L225 Difference]: With dead ends: 277 [2018-02-04 20:04:36,098 INFO L226 Difference]: Without dead ends: 277 [2018-02-04 20:04:36,098 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:04:36,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-02-04 20:04:36,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 249. [2018-02-04 20:04:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-02-04 20:04:36,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 275 transitions. [2018-02-04 20:04:36,102 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 275 transitions. Word has length 62 [2018-02-04 20:04:36,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:36,102 INFO L432 AbstractCegarLoop]: Abstraction has 249 states and 275 transitions. [2018-02-04 20:04:36,102 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:04:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 275 transitions. [2018-02-04 20:04:36,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 20:04:36,103 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:36,103 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:36,103 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:36,103 INFO L82 PathProgramCache]: Analyzing trace with hash -62625977, now seen corresponding path program 1 times [2018-02-04 20:04:36,103 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:36,103 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:36,104 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:36,104 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:36,104 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:36,113 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:36,117 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:36,117 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:36,117 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:36,118 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:36,148 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:36,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:36,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:36,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:36,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:36,240 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,242 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,254 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,254 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:60, output treesize:50 [2018-02-04 20:04:36,271 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 [2018-02-04 20:04:36,272 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 11 treesize of output 7 [2018-02-04 20:04:36,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,274 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:47 [2018-02-04 20:04:36,309 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:36,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2018-02-04 20:04:36,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:36,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,324 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:57 [2018-02-04 20:04:36,346 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:36,349 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 59 treesize of output 58 [2018-02-04 20:04:36,351 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:36,352 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 [2018-02-04 20:04:36,352 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,359 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,368 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:76, output treesize:57 [2018-02-04 20:04:36,496 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:36,497 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:36,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-02-04 20:04:36,503 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 43 treesize of output 40 [2018-02-04 20:04:36,504 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:04:36,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:36,516 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:36,529 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:73, output treesize:31 [2018-02-04 20:04:36,647 WARN L1033 $PredicateComparison]: unable to prove that (and (not (= c_main_~item~0.base 0)) (exists ((v_subst_3 Int)) (let ((.cse0 (store |c_old(#valid)| v_subst_3 1))) (and (= |c_#valid| (store (store .cse0 c_main_~item~0.base 1) v_subst_3 0)) (= (select .cse0 c_main_~item~0.base) 0) (not (= v_subst_3 0)) (= (select |c_old(#valid)| v_subst_3) 0))))) is different from true [2018-02-04 20:04:36,653 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v_prenex_16 Int) (main_~item~0.base Int)) (let ((.cse0 (store |c_old(#valid)| v_prenex_16 1))) (and (= |c_#valid| (store (store (store .cse0 main_~item~0.base 1) v_prenex_16 0) main_~item~0.base 0)) (= (select .cse0 main_~item~0.base) 0) (not (= v_prenex_16 0)) (= (select |c_old(#valid)| v_prenex_16) 0) (not (= main_~item~0.base 0))))) is different from true [2018-02-04 20:04:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2018-02-04 20:04:36,685 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:36,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 20:04:36,686 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 20:04:36,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 20:04:36,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=258, Unknown=12, NotChecked=66, Total=380 [2018-02-04 20:04:36,686 INFO L87 Difference]: Start difference. First operand 249 states and 275 transitions. Second operand 20 states. [2018-02-04 20:04:37,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:37,457 INFO L93 Difference]: Finished difference Result 262 states and 284 transitions. [2018-02-04 20:04:37,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 20:04:37,458 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-02-04 20:04:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:37,458 INFO L225 Difference]: With dead ends: 262 [2018-02-04 20:04:37,459 INFO L226 Difference]: Without dead ends: 247 [2018-02-04 20:04:37,459 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=551, Unknown=20, NotChecked=98, Total=756 [2018-02-04 20:04:37,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-02-04 20:04:37,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 243. [2018-02-04 20:04:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 20:04:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 266 transitions. [2018-02-04 20:04:37,461 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 266 transitions. Word has length 63 [2018-02-04 20:04:37,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:37,461 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 266 transitions. [2018-02-04 20:04:37,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 20:04:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 266 transitions. [2018-02-04 20:04:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 20:04:37,461 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:37,461 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:37,461 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:37,462 INFO L82 PathProgramCache]: Analyzing trace with hash 880876383, now seen corresponding path program 1 times [2018-02-04 20:04:37,462 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:37,462 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:37,462 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:37,462 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:37,462 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:37,470 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:37,488 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 20:04:37,489 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:37,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:04:37,489 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 20:04:37,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 20:04:37,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:04:37,489 INFO L87 Difference]: Start difference. First operand 243 states and 266 transitions. Second operand 3 states. [2018-02-04 20:04:37,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:37,509 INFO L93 Difference]: Finished difference Result 317 states and 346 transitions. [2018-02-04 20:04:37,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 20:04:37,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-02-04 20:04:37,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:37,512 INFO L225 Difference]: With dead ends: 317 [2018-02-04 20:04:37,512 INFO L226 Difference]: Without dead ends: 317 [2018-02-04 20:04:37,512 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:04:37,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-02-04 20:04:37,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 266. [2018-02-04 20:04:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-02-04 20:04:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 290 transitions. [2018-02-04 20:04:37,516 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 290 transitions. Word has length 63 [2018-02-04 20:04:37,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:37,516 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 290 transitions. [2018-02-04 20:04:37,517 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 20:04:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 290 transitions. [2018-02-04 20:04:37,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 20:04:37,517 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:37,517 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:37,517 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:37,518 INFO L82 PathProgramCache]: Analyzing trace with hash -69705999, now seen corresponding path program 1 times [2018-02-04 20:04:37,518 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:37,518 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:37,518 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:37,518 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:37,518 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:37,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:37,533 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:37,533 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:37,533 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:37,534 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:37,567 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:37,588 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:37,589 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:37,591 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:37,591 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 0 case distinctions, treesize of input 17 treesize of output 28 [2018-02-04 20:04:37,592 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,601 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:04:37,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:37,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:37,621 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:37,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:37,639 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,640 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,652 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-02-04 20:04:37,706 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 0 case distinctions, treesize of input 20 treesize of output 19 [2018-02-04 20:04:37,706 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,719 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:37,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 20:04:37,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:37,725 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,730 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,744 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 19 treesize of output 24 [2018-02-04 20:04:37,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:37,746 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,750 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,759 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:67, output treesize:40 [2018-02-04 20:04:37,784 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 38 treesize of output 44 [2018-02-04 20:04:37,787 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:37,789 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 26 treesize of output 37 [2018-02-04 20:04:37,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,797 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-02-04 20:04:37,818 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:37,819 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 [2018-02-04 20:04:37,819 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,826 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,834 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:78, output treesize:40 [2018-02-04 20:04:37,866 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:37,866 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 30 treesize of output 40 [2018-02-04 20:04:37,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 11 [2018-02-04 20:04:37,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,875 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,891 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 37 treesize of output 36 [2018-02-04 20:04:37,894 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 14 treesize of output 7 [2018-02-04 20:04:37,894 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,900 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:37,915 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:38 [2018-02-04 20:04:37,986 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 78 [2018-02-04 20:04:37,989 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 45 treesize of output 44 [2018-02-04 20:04:37,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,041 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 38 treesize of output 45 [2018-02-04 20:04:38,041 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,076 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 70 [2018-02-04 20:04:38,078 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 67 treesize of output 74 [2018-02-04 20:04:38,079 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,106 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:38,107 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 43 treesize of output 37 [2018-02-04 20:04:38,107 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:38,122 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:04:38,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 20:04:38,136 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:72, output treesize:121 [2018-02-04 20:04:38,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 67 [2018-02-04 20:04:38,173 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,174 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 [2018-02-04 20:04:38,174 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,211 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 53 treesize of output 48 [2018-02-04 20:04:38,213 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,213 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 [2018-02-04 20:04:38,214 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,219 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,252 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 139 treesize of output 133 [2018-02-04 20:04:38,255 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,257 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 138 treesize of output 130 [2018-02-04 20:04:38,257 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,297 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,333 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 113 [2018-02-04 20:04:38,336 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,338 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 106 [2018-02-04 20:04:38,338 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,445 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 91 [2018-02-04 20:04:38,446 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,489 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,495 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 2 case distinctions, treesize of input 72 treesize of output 70 [2018-02-04 20:04:38,495 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:38,536 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:38,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-04 20:04:38,558 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 8 variables, input treesize:212, output treesize:154 [2018-02-04 20:04:38,658 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 83 treesize of output 79 [2018-02-04 20:04:38,660 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 67 treesize of output 58 [2018-02-04 20:04:38,661 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,703 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 46 [2018-02-04 20:04:38,704 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,800 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 59 treesize of output 52 [2018-02-04 20:04:38,800 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2018-02-04 20:04:38,828 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,856 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 48 treesize of output 42 [2018-02-04 20:04:38,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:38,858 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,868 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 [2018-02-04 20:04:38,868 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,873 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:04:38,885 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:132, output treesize:69 [2018-02-04 20:04:38,933 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,934 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:38,934 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 40 treesize of output 38 [2018-02-04 20:04:38,937 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 15 [2018-02-04 20:04:38,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,942 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 25 treesize of output 14 [2018-02-04 20:04:38,943 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,945 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:38,948 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:40, output treesize:10 [2018-02-04 20:04:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:38,978 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:38,978 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 20:04:38,978 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 20:04:38,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 20:04:38,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-02-04 20:04:38,979 INFO L87 Difference]: Start difference. First operand 266 states and 290 transitions. Second operand 20 states. [2018-02-04 20:04:40,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:40,086 INFO L93 Difference]: Finished difference Result 339 states and 369 transitions. [2018-02-04 20:04:40,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 20:04:40,086 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-02-04 20:04:40,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:40,088 INFO L225 Difference]: With dead ends: 339 [2018-02-04 20:04:40,088 INFO L226 Difference]: Without dead ends: 339 [2018-02-04 20:04:40,088 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=253, Invalid=1153, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 20:04:40,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-02-04 20:04:40,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 299. [2018-02-04 20:04:40,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-02-04 20:04:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 325 transitions. [2018-02-04 20:04:40,093 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 325 transitions. Word has length 63 [2018-02-04 20:04:40,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:40,093 INFO L432 AbstractCegarLoop]: Abstraction has 299 states and 325 transitions. [2018-02-04 20:04:40,093 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 20:04:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-02-04 20:04:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 20:04:40,094 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:40,094 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:40,094 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:40,094 INFO L82 PathProgramCache]: Analyzing trace with hash -69705998, now seen corresponding path program 1 times [2018-02-04 20:04:40,094 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:40,094 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:40,095 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:40,095 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:40,095 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:40,102 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:40,112 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:40,113 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:40,113 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:40,113 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:40,140 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:40,151 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 6 treesize of output 5 [2018-02-04 20:04:40,151 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,169 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,171 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,171 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 17 treesize of output 24 [2018-02-04 20:04:40,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,179 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-02-04 20:04:40,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:40,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:40,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:40,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:40,215 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,218 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,238 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:45 [2018-02-04 20:04:40,279 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,283 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 45 treesize of output 46 [2018-02-04 20:04:40,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:40,286 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,309 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 26 treesize of output 31 [2018-02-04 20:04:40,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:40,315 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,321 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:78, output treesize:70 [2018-02-04 20:04:40,359 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 63 treesize of output 62 [2018-02-04 20:04:40,361 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,362 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 [2018-02-04 20:04:40,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,387 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 45 treesize of output 51 [2018-02-04 20:04:40,389 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,390 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 26 treesize of output 37 [2018-02-04 20:04:40,390 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,396 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,409 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:70 [2018-02-04 20:04:40,413 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 20:04:40,414 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,429 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,429 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,430 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,430 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-02-04 20:04:40,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:73 [2018-02-04 20:04:40,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2018-02-04 20:04:40,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:04:40,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,486 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-02-04 20:04:40,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 11 [2018-02-04 20:04:40,520 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,525 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,538 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:95, output treesize:67 [2018-02-04 20:04:40,594 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,595 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,604 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-02-04 20:04:40,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:40,607 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,619 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,637 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 26 treesize of output 35 [2018-02-04 20:04:40,638 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 15 [2018-02-04 20:04:40,639 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,643 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,656 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. [2018-02-04 20:04:40,656 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:114, output treesize:106 [2018-02-04 20:04:40,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 137 [2018-02-04 20:04:40,690 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,691 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 38 treesize of output 22 [2018-02-04 20:04:40,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 64 [2018-02-04 20:04:40,730 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:40,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 22 [2018-02-04 20:04:40,732 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,737 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:40,749 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:205, output treesize:119 [2018-02-04 20:04:40,807 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 19 treesize of output 12 [2018-02-04 20:04:40,807 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:40,825 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:124, output treesize:106 [2018-02-04 20:04:40,866 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 59 [2018-02-04 20:04:40,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-02-04 20:04:40,869 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:40,883 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 25 treesize of output 14 [2018-02-04 20:04:40,883 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:40,895 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:40,920 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 29 treesize of output 25 [2018-02-04 20:04:40,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:40,922 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:04:40,929 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,932 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:40,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:40,943 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:120, output treesize:21 [2018-02-04 20:04:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:41,000 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:41,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 20:04:41,001 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 20:04:41,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 20:04:41,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-02-04 20:04:41,001 INFO L87 Difference]: Start difference. First operand 299 states and 325 transitions. Second operand 17 states. [2018-02-04 20:04:41,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:41,734 INFO L93 Difference]: Finished difference Result 340 states and 370 transitions. [2018-02-04 20:04:41,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 20:04:41,735 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2018-02-04 20:04:41,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:41,736 INFO L225 Difference]: With dead ends: 340 [2018-02-04 20:04:41,736 INFO L226 Difference]: Without dead ends: 340 [2018-02-04 20:04:41,736 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2018-02-04 20:04:41,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-02-04 20:04:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 299. [2018-02-04 20:04:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-02-04 20:04:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 324 transitions. [2018-02-04 20:04:41,739 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 324 transitions. Word has length 63 [2018-02-04 20:04:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:41,739 INFO L432 AbstractCegarLoop]: Abstraction has 299 states and 324 transitions. [2018-02-04 20:04:41,739 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 20:04:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 324 transitions. [2018-02-04 20:04:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 20:04:41,739 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:41,739 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 20:04:41,739 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:41,740 INFO L82 PathProgramCache]: Analyzing trace with hash 408599608, now seen corresponding path program 1 times [2018-02-04 20:04:41,740 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:41,740 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:41,740 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:41,740 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:41,740 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:41,748 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:41,751 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:41,751 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:41,751 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:41,752 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:41,774 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:41,792 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:41,792 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:41,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-02-04 20:04:41,793 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,798 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-02-04 20:04:41,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:41,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:41,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,812 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:41,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:41,824 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,826 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,833 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,833 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:36, output treesize:22 [2018-02-04 20:04:41,875 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:41,879 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 26 treesize of output 31 [2018-02-04 20:04:41,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:41,882 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,891 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,900 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:41,902 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 38 treesize of output 39 [2018-02-04 20:04:41,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:41,904 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,908 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,914 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2018-02-04 20:04:41,930 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 57 treesize of output 52 [2018-02-04 20:04:41,931 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:41,932 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 [2018-02-04 20:04:41,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,948 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 62 treesize of output 52 [2018-02-04 20:04:41,950 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:41,951 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 [2018-02-04 20:04:41,951 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,954 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:41,960 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. [2018-02-04 20:04:41,960 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:110, output treesize:48 [2018-02-04 20:04:42,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 40 [2018-02-04 20:04:42,015 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:42,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:04:42,016 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,021 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 25 treesize of output 19 [2018-02-04 20:04:42,021 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:42,025 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:42,034 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 36 treesize of output 30 [2018-02-04 20:04:42,039 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:42,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:04:42,039 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,046 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 11 treesize of output 7 [2018-02-04 20:04:42,046 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,049 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,055 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:80, output treesize:7 [2018-02-04 20:04:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:42,103 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:42,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 20:04:42,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 20:04:42,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 20:04:42,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-02-04 20:04:42,104 INFO L87 Difference]: Start difference. First operand 299 states and 324 transitions. Second operand 15 states. [2018-02-04 20:04:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:42,611 INFO L93 Difference]: Finished difference Result 291 states and 312 transitions. [2018-02-04 20:04:42,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 20:04:42,611 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 64 [2018-02-04 20:04:42,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:42,612 INFO L225 Difference]: With dead ends: 291 [2018-02-04 20:04:42,612 INFO L226 Difference]: Without dead ends: 261 [2018-02-04 20:04:42,612 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2018-02-04 20:04:42,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-02-04 20:04:42,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-02-04 20:04:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 20:04:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 282 transitions. [2018-02-04 20:04:42,614 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 282 transitions. Word has length 64 [2018-02-04 20:04:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:42,614 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 282 transitions. [2018-02-04 20:04:42,614 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 20:04:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 282 transitions. [2018-02-04 20:04:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 20:04:42,615 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:42,615 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:42,615 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:42,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1151857533, now seen corresponding path program 1 times [2018-02-04 20:04:42,615 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:42,615 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:42,615 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:42,616 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:42,616 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:42,621 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 20:04:42,676 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:42,676 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:04:42,677 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:04:42,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:04:42,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:04:42,677 INFO L87 Difference]: Start difference. First operand 261 states and 282 transitions. Second operand 6 states. [2018-02-04 20:04:42,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:42,844 INFO L93 Difference]: Finished difference Result 307 states and 334 transitions. [2018-02-04 20:04:42,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 20:04:42,844 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2018-02-04 20:04:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:42,845 INFO L225 Difference]: With dead ends: 307 [2018-02-04 20:04:42,845 INFO L226 Difference]: Without dead ends: 307 [2018-02-04 20:04:42,845 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-02-04 20:04:42,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-02-04 20:04:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 270. [2018-02-04 20:04:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-02-04 20:04:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 295 transitions. [2018-02-04 20:04:42,849 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 295 transitions. Word has length 75 [2018-02-04 20:04:42,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:42,850 INFO L432 AbstractCegarLoop]: Abstraction has 270 states and 295 transitions. [2018-02-04 20:04:42,850 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:04:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 295 transitions. [2018-02-04 20:04:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 20:04:42,850 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:42,850 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:42,851 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:42,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1151857532, now seen corresponding path program 1 times [2018-02-04 20:04:42,851 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:42,851 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:42,852 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:42,852 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:42,852 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:42,863 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:42,867 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:42,868 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:42,868 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:42,868 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:42,904 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:42,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:42,925 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,936 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:42,937 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:42,938 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 17 treesize of output 24 [2018-02-04 20:04:42,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,948 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-02-04 20:04:42,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:42,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:42,966 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:42,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:42,987 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:42,988 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,001 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:51, output treesize:45 [2018-02-04 20:04:43,052 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,056 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 26 treesize of output 31 [2018-02-04 20:04:43,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:43,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,066 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,085 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,089 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 56 treesize of output 57 [2018-02-04 20:04:43,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:43,091 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,102 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,123 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:78, output treesize:70 [2018-02-04 20:04:43,148 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 63 treesize of output 62 [2018-02-04 20:04:43,150 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,151 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 [2018-02-04 20:04:43,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,176 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 45 treesize of output 51 [2018-02-04 20:04:43,178 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,179 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 26 treesize of output 37 [2018-02-04 20:04:43,179 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,184 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,193 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:108, output treesize:70 [2018-02-04 20:04:43,196 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,197 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,198 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 49 [2018-02-04 20:04:43,198 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 20:04:43,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,228 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:87, output treesize:92 [2018-02-04 20:04:43,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-02-04 20:04:43,256 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 18 treesize of output 11 [2018-02-04 20:04:43,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,260 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 62 [2018-02-04 20:04:43,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:04:43,282 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,288 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,307 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:114, output treesize:90 [2018-02-04 20:04:43,362 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,363 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,368 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 99 [2018-02-04 20:04:43,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:43,369 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,381 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2018-02-04 20:04:43,402 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 15 [2018-02-04 20:04:43,402 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,407 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,422 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. [2018-02-04 20:04:43,423 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:136, output treesize:120 [2018-02-04 20:04:43,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 146 [2018-02-04 20:04:43,459 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,485 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 38 treesize of output 22 [2018-02-04 20:04:43,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,499 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 64 [2018-02-04 20:04:43,522 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:43,523 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 38 treesize of output 22 [2018-02-04 20:04:43,523 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,528 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:43,542 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:219, output treesize:133 [2018-02-04 20:04:43,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2018-02-04 20:04:43,578 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:43,593 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:133, output treesize:106 [2018-02-04 20:04:43,621 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 59 [2018-02-04 20:04:43,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-02-04 20:04:43,623 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:43,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:43,633 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,640 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 25 treesize of output 14 [2018-02-04 20:04:43,640 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:43,656 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 29 treesize of output 25 [2018-02-04 20:04:43,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:43,658 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:04:43,662 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,664 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:43,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:43,671 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:120, output treesize:21 [2018-02-04 20:04:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:43,727 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:43,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 20:04:43,727 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 20:04:43,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 20:04:43,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-02-04 20:04:43,727 INFO L87 Difference]: Start difference. First operand 270 states and 295 transitions. Second operand 18 states. [2018-02-04 20:04:44,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:44,425 INFO L93 Difference]: Finished difference Result 322 states and 354 transitions. [2018-02-04 20:04:44,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 20:04:44,426 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 75 [2018-02-04 20:04:44,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:44,426 INFO L225 Difference]: With dead ends: 322 [2018-02-04 20:04:44,426 INFO L226 Difference]: Without dead ends: 322 [2018-02-04 20:04:44,427 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2018-02-04 20:04:44,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-02-04 20:04:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 286. [2018-02-04 20:04:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-02-04 20:04:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 314 transitions. [2018-02-04 20:04:44,430 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 314 transitions. Word has length 75 [2018-02-04 20:04:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:44,431 INFO L432 AbstractCegarLoop]: Abstraction has 286 states and 314 transitions. [2018-02-04 20:04:44,431 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 20:04:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 314 transitions. [2018-02-04 20:04:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 20:04:44,431 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:44,432 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:44,432 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:44,432 INFO L82 PathProgramCache]: Analyzing trace with hash 633670767, now seen corresponding path program 1 times [2018-02-04 20:04:44,432 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:44,432 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:44,433 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:44,433 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:44,433 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:44,444 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:44,450 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:44,450 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:44,450 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:44,451 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:44,485 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:44,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:44,492 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,494 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:04:44,518 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,519 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 20:04:44,519 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,525 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 20:04:44,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:44,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:44,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:26 [2018-02-04 20:04:44,571 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 20:04:44,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:44,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:30 [2018-02-04 20:04:44,599 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 34 treesize of output 33 [2018-02-04 20:04:44,612 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,613 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 [2018-02-04 20:04:44,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,623 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:30 [2018-02-04 20:04:44,644 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,644 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-02-04 20:04:44,645 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,651 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:33 [2018-02-04 20:04:44,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-02-04 20:04:44,668 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 14 treesize of output 7 [2018-02-04 20:04:44,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,677 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:30 [2018-02-04 20:04:44,720 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 56 [2018-02-04 20:04:44,732 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 52 treesize of output 51 [2018-02-04 20:04:44,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,755 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 25 treesize of output 30 [2018-02-04 20:04:44,755 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:44,769 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:44,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:04:44,780 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:53, output treesize:79 [2018-02-04 20:04:44,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 51 [2018-02-04 20:04:44,815 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,816 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 [2018-02-04 20:04:44,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,822 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 77 [2018-02-04 20:04:44,868 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2018-02-04 20:04:44,869 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:44,897 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:44,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 57 [2018-02-04 20:04:44,903 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:44,921 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:44,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-04 20:04:44,938 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:151, output treesize:107 [2018-02-04 20:04:45,127 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 46 treesize of output 34 [2018-02-04 20:04:45,128 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 19 treesize of output 10 [2018-02-04 20:04:45,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:45,134 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,160 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 53 [2018-02-04 20:04:45,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 41 [2018-02-04 20:04:45,162 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,178 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 41 treesize of output 32 [2018-02-04 20:04:45,179 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41 [2018-02-04 20:04:45,197 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:45,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-02-04 20:04:45,213 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,223 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,234 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:109, output treesize:14 [2018-02-04 20:04:45,265 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:45,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-02-04 20:04:45,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:45,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:45,269 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:15 [2018-02-04 20:04:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:45,311 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:45,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 20:04:45,311 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 20:04:45,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 20:04:45,311 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=489, Unknown=1, NotChecked=0, Total=552 [2018-02-04 20:04:45,311 INFO L87 Difference]: Start difference. First operand 286 states and 314 transitions. Second operand 24 states. [2018-02-04 20:04:46,315 WARN L146 SmtUtils]: Spent 388ms on a formula simplification. DAG size of input: 60 DAG size of output 44 [2018-02-04 20:04:46,607 WARN L146 SmtUtils]: Spent 270ms on a formula simplification. DAG size of input: 55 DAG size of output 43 [2018-02-04 20:04:47,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:47,119 INFO L93 Difference]: Finished difference Result 329 states and 361 transitions. [2018-02-04 20:04:47,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 20:04:47,119 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 80 [2018-02-04 20:04:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:47,120 INFO L225 Difference]: With dead ends: 329 [2018-02-04 20:04:47,120 INFO L226 Difference]: Without dead ends: 329 [2018-02-04 20:04:47,121 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=301, Invalid=1852, Unknown=9, NotChecked=0, Total=2162 [2018-02-04 20:04:47,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-02-04 20:04:47,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 310. [2018-02-04 20:04:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-02-04 20:04:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 348 transitions. [2018-02-04 20:04:47,124 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 348 transitions. Word has length 80 [2018-02-04 20:04:47,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:47,124 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 348 transitions. [2018-02-04 20:04:47,125 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 20:04:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2018-02-04 20:04:47,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 20:04:47,125 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:47,125 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:47,125 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:47,126 INFO L82 PathProgramCache]: Analyzing trace with hash 633670768, now seen corresponding path program 1 times [2018-02-04 20:04:47,126 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:47,126 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:47,126 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:47,127 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:47,127 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:47,138 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:47,145 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:47,145 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:47,145 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:47,145 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:47,185 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:47,217 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,218 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,219 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 17 treesize of output 24 [2018-02-04 20:04:47,219 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,227 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 20:04:47,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:47,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:47,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,253 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:32 [2018-02-04 20:04:47,295 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,299 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 36 treesize of output 37 [2018-02-04 20:04:47,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:47,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2018-02-04 20:04:47,337 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 43 treesize of output 42 [2018-02-04 20:04:47,339 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,341 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 [2018-02-04 20:04:47,341 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,352 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:36 [2018-02-04 20:04:47,359 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,360 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,361 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 49 [2018-02-04 20:04:47,362 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,425 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,425 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:53 [2018-02-04 20:04:47,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2018-02-04 20:04:47,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:04:47,448 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,480 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:64, output treesize:58 [2018-02-04 20:04:47,543 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,544 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,548 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-02-04 20:04:47,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:47,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,559 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:47,568 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:89, output treesize:69 [2018-02-04 20:04:47,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 86 [2018-02-04 20:04:47,603 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:47,604 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 38 treesize of output 22 [2018-02-04 20:04:47,604 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,611 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:47,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:125, output treesize:82 [2018-02-04 20:04:47,649 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 0 case distinctions, treesize of input 28 treesize of output 37 [2018-02-04 20:04:47,649 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:47,654 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:82, output treesize:55 [2018-02-04 20:04:47,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 49 [2018-02-04 20:04:47,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-02-04 20:04:47,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,732 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 25 treesize of output 16 [2018-02-04 20:04:47,732 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:47,735 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,743 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 26 treesize of output 20 [2018-02-04 20:04:47,744 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 20 treesize of output 11 [2018-02-04 20:04:47,744 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,746 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:47,749 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:88, output treesize:11 [2018-02-04 20:04:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:47,796 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:47,797 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 20:04:47,797 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 20:04:47,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 20:04:47,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2018-02-04 20:04:47,797 INFO L87 Difference]: Start difference. First operand 310 states and 348 transitions. Second operand 22 states. [2018-02-04 20:04:48,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:48,617 INFO L93 Difference]: Finished difference Result 329 states and 361 transitions. [2018-02-04 20:04:48,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 20:04:48,618 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 80 [2018-02-04 20:04:48,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:48,618 INFO L225 Difference]: With dead ends: 329 [2018-02-04 20:04:48,619 INFO L226 Difference]: Without dead ends: 329 [2018-02-04 20:04:48,619 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=359, Invalid=1447, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 20:04:48,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-02-04 20:04:48,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 310. [2018-02-04 20:04:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-02-04 20:04:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 347 transitions. [2018-02-04 20:04:48,623 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 347 transitions. Word has length 80 [2018-02-04 20:04:48,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:48,623 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 347 transitions. [2018-02-04 20:04:48,623 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 20:04:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 347 transitions. [2018-02-04 20:04:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 20:04:48,624 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:48,624 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:48,624 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:48,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1831043923, now seen corresponding path program 1 times [2018-02-04 20:04:48,624 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:48,625 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:48,625 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:48,625 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:48,625 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:48,634 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 20:04:48,693 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:48,693 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:48,694 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:48,721 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:48,764 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:48,765 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:48,766 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 17 treesize of output 24 [2018-02-04 20:04:48,766 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,774 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:04:48,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:48,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:48,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:48,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:48,816 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,817 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,844 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:39 [2018-02-04 20:04:48,865 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 [2018-02-04 20:04:48,867 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 11 treesize of output 7 [2018-02-04 20:04:48,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,868 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:36 [2018-02-04 20:04:48,913 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:48,915 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 36 treesize of output 37 [2018-02-04 20:04:48,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:48,917 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,932 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:42 [2018-02-04 20:04:48,968 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 43 treesize of output 42 [2018-02-04 20:04:48,970 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:48,971 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 [2018-02-04 20:04:48,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,977 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,987 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:48,987 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:61, output treesize:42 [2018-02-04 20:04:49,024 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,025 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,025 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,026 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 49 [2018-02-04 20:04:49,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,037 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:59 [2018-02-04 20:04:49,062 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,062 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,063 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 57 [2018-02-04 20:04:49,073 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 43 [2018-02-04 20:04:49,073 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 20:04:49,084 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:70, output treesize:64 [2018-02-04 20:04:49,158 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,158 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,159 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,159 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 97 [2018-02-04 20:04:49,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:49,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:49,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:91 [2018-02-04 20:04:49,232 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,233 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 102 [2018-02-04 20:04:49,239 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,240 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 38 treesize of output 22 [2018-02-04 20:04:49,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:49,260 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:131, output treesize:88 [2018-02-04 20:04:49,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,296 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 28 treesize of output 37 [2018-02-04 20:04:49,296 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:49,303 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:88, output treesize:61 [2018-02-04 20:04:49,329 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,330 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:49,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 46 [2018-02-04 20:04:49,334 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 25 [2018-02-04 20:04:49,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:49,344 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,348 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 [2018-02-04 20:04:49,348 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,350 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:49,353 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:4 [2018-02-04 20:04:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:49,396 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 20:04:49,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 21] total 25 [2018-02-04 20:04:49,396 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 20:04:49,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 20:04:49,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2018-02-04 20:04:49,397 INFO L87 Difference]: Start difference. First operand 310 states and 347 transitions. Second operand 25 states. [2018-02-04 20:04:50,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:50,215 INFO L93 Difference]: Finished difference Result 363 states and 397 transitions. [2018-02-04 20:04:50,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 20:04:50,215 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 81 [2018-02-04 20:04:50,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:50,216 INFO L225 Difference]: With dead ends: 363 [2018-02-04 20:04:50,216 INFO L226 Difference]: Without dead ends: 347 [2018-02-04 20:04:50,216 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 20:04:50,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-02-04 20:04:50,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 333. [2018-02-04 20:04:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 20:04:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 375 transitions. [2018-02-04 20:04:50,220 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 375 transitions. Word has length 81 [2018-02-04 20:04:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:50,221 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 375 transitions. [2018-02-04 20:04:50,221 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 20:04:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 375 transitions. [2018-02-04 20:04:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 20:04:50,231 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:50,232 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:50,232 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:50,232 INFO L82 PathProgramCache]: Analyzing trace with hash -927736656, now seen corresponding path program 1 times [2018-02-04 20:04:50,232 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:50,232 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:50,233 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:50,233 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:50,233 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:50,243 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:50,248 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:50,248 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:50,248 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:50,248 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:50,273 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:50,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:50,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:50,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,308 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,313 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-02-04 20:04:50,356 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 36 [2018-02-04 20:04:50,358 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 27 treesize of output 26 [2018-02-04 20:04:50,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,380 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,380 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-02-04 20:04:50,398 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 49 [2018-02-04 20:04:50,400 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:50,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-02-04 20:04:50,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,417 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:25 [2018-02-04 20:04:50,447 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 41 [2018-02-04 20:04:50,450 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 32 treesize of output 26 [2018-02-04 20:04:50,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,473 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 20:04:50,474 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:50,486 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:50,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:04:50,496 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:39, output treesize:43 [2018-02-04 20:04:50,545 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 36 [2018-02-04 20:04:50,547 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 27 treesize of output 26 [2018-02-04 20:04:50,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,563 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-02-04 20:04:50,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 49 [2018-02-04 20:04:50,588 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:50,589 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 40 treesize of output 32 [2018-02-04 20:04:50,589 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,608 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:50,613 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:28 [2018-02-04 20:04:50,660 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 29 treesize of output 29 [2018-02-04 20:04:50,662 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:04:50,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2018-02-04 20:04:50,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:50,677 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:3 [2018-02-04 20:04:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:50,715 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:50,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 20:04:50,715 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 20:04:50,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 20:04:50,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2018-02-04 20:04:50,716 INFO L87 Difference]: Start difference. First operand 333 states and 375 transitions. Second operand 20 states. [2018-02-04 20:04:51,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:51,117 INFO L93 Difference]: Finished difference Result 340 states and 383 transitions. [2018-02-04 20:04:51,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 20:04:51,117 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 82 [2018-02-04 20:04:51,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:51,118 INFO L225 Difference]: With dead ends: 340 [2018-02-04 20:04:51,118 INFO L226 Difference]: Without dead ends: 340 [2018-02-04 20:04:51,119 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=359, Invalid=973, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 20:04:51,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-02-04 20:04:51,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 338. [2018-02-04 20:04:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-02-04 20:04:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 383 transitions. [2018-02-04 20:04:51,123 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 383 transitions. Word has length 82 [2018-02-04 20:04:51,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:51,123 INFO L432 AbstractCegarLoop]: Abstraction has 338 states and 383 transitions. [2018-02-04 20:04:51,123 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 20:04:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 383 transitions. [2018-02-04 20:04:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 20:04:51,124 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:51,124 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:51,124 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:51,125 INFO L82 PathProgramCache]: Analyzing trace with hash 268131050, now seen corresponding path program 1 times [2018-02-04 20:04:51,125 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:51,125 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:51,125 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:51,126 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:51,126 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:51,134 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-02-04 20:04:51,160 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:04:51,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 20:04:51,160 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 20:04:51,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 20:04:51,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:04:51,160 INFO L87 Difference]: Start difference. First operand 338 states and 383 transitions. Second operand 3 states. [2018-02-04 20:04:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:51,175 INFO L93 Difference]: Finished difference Result 246 states and 262 transitions. [2018-02-04 20:04:51,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 20:04:51,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2018-02-04 20:04:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:51,177 INFO L225 Difference]: With dead ends: 246 [2018-02-04 20:04:51,177 INFO L226 Difference]: Without dead ends: 246 [2018-02-04 20:04:51,177 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 20:04:51,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-02-04 20:04:51,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 219. [2018-02-04 20:04:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-02-04 20:04:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 239 transitions. [2018-02-04 20:04:51,180 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 239 transitions. Word has length 82 [2018-02-04 20:04:51,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:51,180 INFO L432 AbstractCegarLoop]: Abstraction has 219 states and 239 transitions. [2018-02-04 20:04:51,180 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 20:04:51,180 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 239 transitions. [2018-02-04 20:04:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 20:04:51,181 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:51,181 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:04:51,181 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:51,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1087936039, now seen corresponding path program 1 times [2018-02-04 20:04:51,181 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:51,181 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:51,182 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:51,182 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:51,182 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:51,194 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:51,198 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:51,198 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:51,198 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:51,198 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:51,235 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:51,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:51,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 20:04:51,251 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,252 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,253 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 17 treesize of output 24 [2018-02-04 20:04:51,253 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,261 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-02-04 20:04:51,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:51,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:51,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,276 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,285 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:29 [2018-02-04 20:04:51,309 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,311 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 36 treesize of output 37 [2018-02-04 20:04:51,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:51,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,316 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:29 [2018-02-04 20:04:51,332 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 34 treesize of output 33 [2018-02-04 20:04:51,334 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,334 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 [2018-02-04 20:04:51,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,338 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,342 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:48, output treesize:29 [2018-02-04 20:04:51,344 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,345 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,345 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 38 [2018-02-04 20:04:51,345 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,353 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:46 [2018-02-04 20:04:51,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-02-04 20:04:51,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:04:51,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,378 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,384 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:47 [2018-02-04 20:04:51,420 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,421 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,424 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-02-04 20:04:51,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:51,425 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,432 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:82 [2018-02-04 20:04:51,457 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,458 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,462 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 94 [2018-02-04 20:04:51,464 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 20:04:51,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,480 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:101, output treesize:82 [2018-02-04 20:04:51,485 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,486 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,486 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,487 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 99 [2018-02-04 20:04:51,487 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,502 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:93, output treesize:111 [2018-02-04 20:04:51,536 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,537 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 102 [2018-02-04 20:04:51,544 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 14 treesize of output 7 [2018-02-04 20:04:51,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,555 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,567 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:122, output treesize:120 [2018-02-04 20:04:51,648 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,649 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,649 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 137 [2018-02-04 20:04:51,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:51,658 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,683 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:167, output treesize:151 [2018-02-04 20:04:51,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 134 [2018-02-04 20:04:51,732 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:51,733 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 46 treesize of output 26 [2018-02-04 20:04:51,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,754 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,754 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:215, output treesize:160 [2018-02-04 20:04:51,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 84 [2018-02-04 20:04:51,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-02-04 20:04:51,800 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,812 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 5 treesize of output 1 [2018-02-04 20:04:51,812 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-02-04 20:04:51,823 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,831 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 31 treesize of output 18 [2018-02-04 20:04:51,831 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:51,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:51,845 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:167, output treesize:45 [2018-02-04 20:04:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:51,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:51,892 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 20:04:51,892 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 20:04:51,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 20:04:51,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2018-02-04 20:04:51,892 INFO L87 Difference]: Start difference. First operand 219 states and 239 transitions. Second operand 22 states. [2018-02-04 20:04:52,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:52,775 INFO L93 Difference]: Finished difference Result 318 states and 344 transitions. [2018-02-04 20:04:52,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 20:04:52,776 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 83 [2018-02-04 20:04:52,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:52,776 INFO L225 Difference]: With dead ends: 318 [2018-02-04 20:04:52,776 INFO L226 Difference]: Without dead ends: 318 [2018-02-04 20:04:52,777 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=238, Invalid=1484, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 20:04:52,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-02-04 20:04:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 254. [2018-02-04 20:04:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 20:04:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 276 transitions. [2018-02-04 20:04:52,780 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 276 transitions. Word has length 83 [2018-02-04 20:04:52,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:52,780 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 276 transitions. [2018-02-04 20:04:52,780 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 20:04:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 276 transitions. [2018-02-04 20:04:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 20:04:52,781 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:52,781 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:04:52,781 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:52,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1087936040, now seen corresponding path program 1 times [2018-02-04 20:04:52,781 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:52,781 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:52,782 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:52,782 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:52,782 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:52,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:52,799 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:52,799 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:52,799 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:52,800 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:52,833 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:52,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:52,840 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,841 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 20:04:52,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:52,856 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,867 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:52,868 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:52,869 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 17 treesize of output 24 [2018-02-04 20:04:52,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,880 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-02-04 20:04:52,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:52,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:52,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:52,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:52,925 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,926 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,934 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:53, output treesize:45 [2018-02-04 20:04:52,972 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:52,976 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 45 treesize of output 46 [2018-02-04 20:04:52,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:52,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:52,997 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 19 treesize of output 24 [2018-02-04 20:04:52,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:52,999 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,002 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,011 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:73, output treesize:56 [2018-02-04 20:04:53,031 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 54 treesize of output 53 [2018-02-04 20:04:53,033 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,034 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 [2018-02-04 20:04:53,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,041 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,058 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 38 treesize of output 44 [2018-02-04 20:04:53,060 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,061 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 26 treesize of output 37 [2018-02-04 20:04:53,062 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,067 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,075 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:94, output treesize:56 [2018-02-04 20:04:53,078 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,079 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,080 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 41 [2018-02-04 20:04:53,080 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 20:04:53,093 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,106 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:82 [2018-02-04 20:04:53,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 62 [2018-02-04 20:04:53,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:04:53,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,159 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 30 treesize of output 36 [2018-02-04 20:04:53,161 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 18 treesize of output 11 [2018-02-04 20:04:53,162 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,165 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,178 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:109, output treesize:76 [2018-02-04 20:04:53,251 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,251 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,256 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 99 [2018-02-04 20:04:53,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:53,258 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,268 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,284 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 19 treesize of output 28 [2018-02-04 20:04:53,285 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 15 [2018-02-04 20:04:53,285 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,288 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,301 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. [2018-02-04 20:04:53,301 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:126, output treesize:118 [2018-02-04 20:04:53,326 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,330 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 115 [2018-02-04 20:04:53,332 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,333 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 [2018-02-04 20:04:53,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,345 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 60 [2018-02-04 20:04:53,365 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,366 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 45 [2018-02-04 20:04:53,366 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,371 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,383 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. [2018-02-04 20:04:53,383 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:156, output treesize:118 [2018-02-04 20:04:53,389 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,390 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,390 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,391 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 68 [2018-02-04 20:04:53,391 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 64 [2018-02-04 20:04:53,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:129, output treesize:120 [2018-02-04 20:04:53,442 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 105 [2018-02-04 20:04:53,449 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 14 treesize of output 7 [2018-02-04 20:04:53,449 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 52 [2018-02-04 20:04:53,481 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 22 treesize of output 15 [2018-02-04 20:04:53,482 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,485 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,498 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:142, output treesize:114 [2018-02-04 20:04:53,562 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,564 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 19 treesize of output 32 [2018-02-04 20:04:53,566 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 20 treesize of output 19 [2018-02-04 20:04:53,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,570 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,587 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,588 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,588 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 148 [2018-02-04 20:04:53,596 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 8 treesize of output 7 [2018-02-04 20:04:53,596 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,611 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,624 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:180, output treesize:160 [2018-02-04 20:04:53,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 69 [2018-02-04 20:04:53,655 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,656 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 46 treesize of output 26 [2018-02-04 20:04:53,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 145 [2018-02-04 20:04:53,688 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:53,688 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 46 treesize of output 26 [2018-02-04 20:04:53,689 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,700 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,712 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:291, output treesize:181 [2018-02-04 20:04:53,760 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 5 treesize of output 1 [2018-02-04 20:04:53,761 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,776 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:186, output treesize:181 [2018-02-04 20:04:53,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 93 [2018-02-04 20:04:53,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-02-04 20:04:53,797 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:53,811 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-02-04 20:04:53,824 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2018-02-04 20:04:53,837 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-02-04 20:04:53,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:53,861 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,865 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 [2018-02-04 20:04:53,865 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,866 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:53,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:53,875 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:195, output treesize:31 [2018-02-04 20:04:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:53,938 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:53,938 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 20:04:53,938 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 20:04:53,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 20:04:53,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2018-02-04 20:04:53,938 INFO L87 Difference]: Start difference. First operand 254 states and 276 transitions. Second operand 22 states. [2018-02-04 20:04:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:55,106 INFO L93 Difference]: Finished difference Result 317 states and 343 transitions. [2018-02-04 20:04:55,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 20:04:55,106 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 83 [2018-02-04 20:04:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:55,107 INFO L225 Difference]: With dead ends: 317 [2018-02-04 20:04:55,107 INFO L226 Difference]: Without dead ends: 317 [2018-02-04 20:04:55,107 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=228, Invalid=1494, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 20:04:55,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-02-04 20:04:55,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 254. [2018-02-04 20:04:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 20:04:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 275 transitions. [2018-02-04 20:04:55,109 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 275 transitions. Word has length 83 [2018-02-04 20:04:55,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:55,109 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 275 transitions. [2018-02-04 20:04:55,109 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 20:04:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 275 transitions. [2018-02-04 20:04:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 20:04:55,109 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:55,110 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:55,110 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:55,110 INFO L82 PathProgramCache]: Analyzing trace with hash -87797561, now seen corresponding path program 2 times [2018-02-04 20:04:55,110 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:55,110 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:55,110 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:55,110 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:04:55,110 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:55,120 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:55,124 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:55,125 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:55,125 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:55,125 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 20:04:55,170 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 20:04:55,170 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:04:55,174 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:55,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:55,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,187 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:04:55,206 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,207 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,207 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 17 treesize of output 24 [2018-02-04 20:04:55,208 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,215 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:04:55,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:55,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:55,228 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,229 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:55,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:55,242 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,243 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,252 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:39 [2018-02-04 20:04:55,264 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 [2018-02-04 20:04:55,265 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 11 treesize of output 7 [2018-02-04 20:04:55,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,266 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,272 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:36 [2018-02-04 20:04:55,307 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,310 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 36 treesize of output 37 [2018-02-04 20:04:55,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:55,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,329 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:38 [2018-02-04 20:04:55,353 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 34 treesize of output 33 [2018-02-04 20:04:55,356 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,357 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 [2018-02-04 20:04:55,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,362 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,372 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:38 [2018-02-04 20:04:55,375 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,376 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,376 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 41 [2018-02-04 20:04:55,377 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,387 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:55 [2018-02-04 20:04:55,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2018-02-04 20:04:55,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:04:55,408 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,411 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,423 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:56 [2018-02-04 20:04:55,477 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,477 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,481 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 81 [2018-02-04 20:04:55,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:55,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,492 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:55,503 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:83 [2018-02-04 20:04:55,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 86 [2018-02-04 20:04:55,533 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:55,534 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 38 treesize of output 22 [2018-02-04 20:04:55,534 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,541 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:55,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:55,552 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:131, output treesize:88 [2018-02-04 20:04:56,292 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 116 treesize of output 110 [2018-02-04 20:04:56,294 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 17 treesize of output 8 [2018-02-04 20:04:56,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,306 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,335 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 116 treesize of output 112 [2018-02-04 20:04:56,336 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 11 treesize of output 3 [2018-02-04 20:04:56,336 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,361 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-02-04 20:04:56,390 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:233, output treesize:207 [2018-02-04 20:04:56,476 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,477 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 119 [2018-02-04 20:04:56,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,512 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,513 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 143 [2018-02-04 20:04:56,514 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-02-04 20:04:56,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:219, output treesize:183 [2018-02-04 20:04:56,640 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,641 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,642 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 90 [2018-02-04 20:04:56,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:56,644 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,661 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 21 treesize of output 12 [2018-02-04 20:04:56,661 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,672 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2018-02-04 20:04:56,673 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:56,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:56,717 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,718 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,720 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 96 [2018-02-04 20:04:56,731 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 46 [2018-02-04 20:04:56,732 INFO L267 ElimStorePlain]: Start of recursive call 7: 9 dim-0 vars, End of recursive call: 9 dim-0 vars, and 8 xjuncts. [2018-02-04 20:04:56,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:04:56,773 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 39 [2018-02-04 20:04:56,803 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-02-04 20:04:56,804 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 30 treesize of output 19 [2018-02-04 20:04:56,805 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,806 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 34 treesize of output 23 [2018-02-04 20:04:56,806 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,807 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:56,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2018-02-04 20:04:56,808 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:56,840 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:04:56,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-2 vars, End of recursive call: 9 dim-0 vars, and 5 xjuncts. [2018-02-04 20:04:56,903 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 12 variables, input treesize:203, output treesize:164 [2018-02-04 20:04:57,028 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:57,028 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:57,029 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:57,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 36 [2018-02-04 20:04:57,029 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:57,036 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:04:57,036 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:28 [2018-02-04 20:04:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:04:57,119 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:04:57,120 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 20:04:57,120 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 20:04:57,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 20:04:57,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2018-02-04 20:04:57,120 INFO L87 Difference]: Start difference. First operand 254 states and 275 transitions. Second operand 31 states. [2018-02-04 20:04:58,273 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 101 DAG size of output 95 [2018-02-04 20:04:59,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:04:59,236 INFO L93 Difference]: Finished difference Result 268 states and 285 transitions. [2018-02-04 20:04:59,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 20:04:59,236 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 85 [2018-02-04 20:04:59,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:04:59,237 INFO L225 Difference]: With dead ends: 268 [2018-02-04 20:04:59,237 INFO L226 Difference]: Without dead ends: 268 [2018-02-04 20:04:59,237 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 46 SyntacticMatches, 9 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=367, Invalid=2713, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 20:04:59,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-02-04 20:04:59,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 259. [2018-02-04 20:04:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 20:04:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2018-02-04 20:04:59,240 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 85 [2018-02-04 20:04:59,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:04:59,240 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2018-02-04 20:04:59,240 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 20:04:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2018-02-04 20:04:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 20:04:59,241 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:04:59,241 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:04:59,241 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:04:59,241 INFO L82 PathProgramCache]: Analyzing trace with hash -87797560, now seen corresponding path program 2 times [2018-02-04 20:04:59,241 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:04:59,241 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:04:59,242 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:59,242 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:04:59,242 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:04:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:04:59,250 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:04:59,256 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:04:59,256 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:04:59,256 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:04:59,256 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 20:04:59,305 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 20:04:59,305 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:04:59,309 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:04:59,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:59,311 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,314 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:04:59,333 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,334 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,334 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 17 treesize of output 24 [2018-02-04 20:04:59,334 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,343 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:04:59,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:59,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:59,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:04:59,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:59,381 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,383 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,395 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:39 [2018-02-04 20:04:59,412 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 [2018-02-04 20:04:59,413 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 11 treesize of output 7 [2018-02-04 20:04:59,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,422 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,422 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:36 [2018-02-04 20:04:59,453 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,456 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 36 treesize of output 37 [2018-02-04 20:04:59,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:04:59,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,463 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,474 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,474 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:38 [2018-02-04 20:04:59,498 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 34 treesize of output 33 [2018-02-04 20:04:59,501 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,502 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 [2018-02-04 20:04:59,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,518 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:38 [2018-02-04 20:04:59,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:04:59,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,543 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,543 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,544 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 41 [2018-02-04 20:04:59,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:63 [2018-02-04 20:04:59,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2018-02-04 20:04:59,601 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-02-04 20:04:59,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:04:59,630 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,636 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-02-04 20:04:59,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:04:59,655 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,657 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,671 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:87, output treesize:61 [2018-02-04 20:04:59,738 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,739 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,745 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 94 [2018-02-04 20:04:59,747 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 15 [2018-02-04 20:04:59,747 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,771 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 62 [2018-02-04 20:04:59,775 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 23 [2018-02-04 20:04:59,775 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,780 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,793 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. [2018-02-04 20:04:59,793 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:114, output treesize:122 [2018-02-04 20:04:59,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 178 [2018-02-04 20:04:59,820 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,821 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 62 treesize of output 46 [2018-02-04 20:04:59,821 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 112 [2018-02-04 20:04:59,850 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:04:59,850 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 62 treesize of output 46 [2018-02-04 20:04:59,851 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,855 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:04:59,865 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. [2018-02-04 20:04:59,865 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:234, output treesize:116 [2018-02-04 20:05:00,297 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,298 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,299 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 135 [2018-02-04 20:05:00,312 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 67 [2018-02-04 20:05:00,314 INFO L267 ElimStorePlain]: Start of recursive call 3: 9 dim-0 vars, End of recursive call: 9 dim-0 vars, and 8 xjuncts. [2018-02-04 20:05:00,366 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 9 [2018-02-04 20:05:00,366 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2018-02-04 20:05:00,403 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:00,405 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 67 [2018-02-04 20:05:00,406 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:00,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2018-02-04 20:05:00,408 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:00,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 75 [2018-02-04 20:05:00,413 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:00,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 9 dim-0 vars, and 5 xjuncts. [2018-02-04 20:05:00,574 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,574 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,575 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,576 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 77 [2018-02-04 20:05:00,585 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 36 [2018-02-04 20:05:00,586 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:00,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:00,605 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,616 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 17 treesize of output 11 [2018-02-04 20:05:00,616 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:00,627 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,629 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,629 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,630 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,631 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 77 [2018-02-04 20:05:00,639 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 36 [2018-02-04 20:05:00,640 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:00,659 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 12 treesize of output 6 [2018-02-04 20:05:00,659 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,670 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 17 treesize of output 11 [2018-02-04 20:05:00,671 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:00,681 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,682 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,683 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,683 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,684 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 81 [2018-02-04 20:05:00,690 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 12 treesize of output 24 [2018-02-04 20:05:00,690 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:00,708 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 24 treesize of output 16 [2018-02-04 20:05:00,708 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:00,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 20:05:00,722 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,732 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,734 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,734 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,735 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,735 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 77 [2018-02-04 20:05:00,741 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 12 treesize of output 24 [2018-02-04 20:05:00,741 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:00,763 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 13 treesize of output 6 [2018-02-04 20:05:00,763 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,774 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 17 treesize of output 11 [2018-02-04 20:05:00,774 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:00,785 INFO L267 ElimStorePlain]: Start of recursive call 21: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 63 [2018-02-04 20:05:00,792 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 20 treesize of output 16 [2018-02-04 20:05:00,792 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:00,808 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 12 treesize of output 6 [2018-02-04 20:05:00,809 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,810 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 9 treesize of output 3 [2018-02-04 20:05:00,810 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,823 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 14 treesize of output 10 [2018-02-04 20:05:00,823 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:00,824 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 17 treesize of output 11 [2018-02-04 20:05:00,824 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:00,838 INFO L267 ElimStorePlain]: Start of recursive call 25: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:00,924 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,925 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,926 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,927 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 133 [2018-02-04 20:05:00,932 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 65 [2018-02-04 20:05:00,932 INFO L267 ElimStorePlain]: Start of recursive call 32: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:00,958 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,964 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 80 [2018-02-04 20:05:00,965 INFO L267 ElimStorePlain]: Start of recursive call 33: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:00,967 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:00,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 56 [2018-02-04 20:05:00,968 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:01,022 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 64 treesize of output 62 [2018-02-04 20:05:01,023 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,024 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 64 treesize of output 62 [2018-02-04 20:05:01,024 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,025 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 54 [2018-02-04 20:05:01,025 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,026 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 47 [2018-02-04 20:05:01,027 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,028 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 68 treesize of output 66 [2018-02-04 20:05:01,028 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,076 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: 9 dim-0 vars, and 5 xjuncts. [2018-02-04 20:05:01,262 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,263 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,263 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,264 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 77 [2018-02-04 20:05:01,270 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 12 treesize of output 24 [2018-02-04 20:05:01,270 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:01,290 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 13 treesize of output 6 [2018-02-04 20:05:01,291 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,303 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 17 treesize of output 11 [2018-02-04 20:05:01,304 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:01,316 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,318 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,319 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,320 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,320 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 73 [2018-02-04 20:05:01,335 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 52 [2018-02-04 20:05:01,338 INFO L267 ElimStorePlain]: Start of recursive call 45: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-02-04 20:05:01,490 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 27 [2018-02-04 20:05:01,490 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,495 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 39 treesize of output 47 [2018-02-04 20:05:01,496 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:01,498 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2018-02-04 20:05:01,499 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,512 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 39 treesize of output 47 [2018-02-04 20:05:01,513 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:01,514 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 21 [2018-02-04 20:05:01,515 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,520 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 35 treesize of output 43 [2018-02-04 20:05:01,521 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:01,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 37 [2018-02-04 20:05:01,527 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:01,664 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 33 treesize of output 35 [2018-02-04 20:05:01,665 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:01,667 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-02-04 20:05:01,672 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:01,674 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 39 [2018-02-04 20:05:01,681 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:01,683 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,684 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 23 treesize of output 15 [2018-02-04 20:05:01,684 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,687 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,693 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 29 treesize of output 35 [2018-02-04 20:05:01,694 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:01,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 31 [2018-02-04 20:05:01,702 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:01,704 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 21 treesize of output 11 [2018-02-04 20:05:01,705 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,863 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-02-04 20:05:01,876 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,877 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,877 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,878 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 73 [2018-02-04 20:05:01,883 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 12 treesize of output 24 [2018-02-04 20:05:01,883 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:01,898 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 24 treesize of output 16 [2018-02-04 20:05:01,898 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:01,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-02-04 20:05:01,914 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,924 INFO L267 ElimStorePlain]: Start of recursive call 60: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:01,925 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,926 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,926 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,927 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:01,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 73 [2018-02-04 20:05:01,938 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 52 [2018-02-04 20:05:01,941 INFO L267 ElimStorePlain]: Start of recursive call 65: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-02-04 20:05:02,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 46 [2018-02-04 20:05:02,026 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:02,029 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 [2018-02-04 20:05:02,029 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2018-02-04 20:05:02,054 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:02,056 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 28 treesize of output 16 [2018-02-04 20:05:02,056 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 42 [2018-02-04 20:05:02,080 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:02,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 46 [2018-02-04 20:05:02,092 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:02,095 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:02,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2018-02-04 20:05:02,099 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,323 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 30 treesize of output 31 [2018-02-04 20:05:02,324 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,325 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 20 treesize of output 15 [2018-02-04 20:05:02,325 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,330 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 30 treesize of output 31 [2018-02-04 20:05:02,330 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,331 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 11 [2018-02-04 20:05:02,331 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,336 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 26 treesize of output 27 [2018-02-04 20:05:02,336 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 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 [2018-02-04 20:05:02,337 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,341 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 26 treesize of output 27 [2018-02-04 20:05:02,342 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,362 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 30 treesize of output 31 [2018-02-04 20:05:02,363 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,367 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 22 treesize of output 23 [2018-02-04 20:05:02,367 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,369 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:02,370 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 27 [2018-02-04 20:05:02,370 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,372 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:02,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 27 [2018-02-04 20:05:02,373 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,384 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 30 treesize of output 31 [2018-02-04 20:05:02,384 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:02,588 INFO L267 ElimStorePlain]: Start of recursive call 64: 3 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-02-04 20:05:02,592 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:02,593 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:02,593 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:02,594 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:02,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 77 [2018-02-04 20:05:02,599 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 12 treesize of output 24 [2018-02-04 20:05:02,600 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:02,616 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 24 treesize of output 16 [2018-02-04 20:05:02,617 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:02,630 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 11 treesize of output 4 [2018-02-04 20:05:02,631 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,641 INFO L267 ElimStorePlain]: Start of recursive call 85: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:02,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 11 xjuncts. [2018-02-04 20:05:02,835 INFO L202 ElimStorePlain]: Needed 88 recursive calls to eliminate 10 variables, input treesize:327, output treesize:115 [2018-02-04 20:05:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:02,967 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:02,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 20:05:02,967 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 20:05:02,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 20:05:02,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=673, Unknown=5, NotChecked=0, Total=756 [2018-02-04 20:05:02,967 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 28 states. [2018-02-04 20:05:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:04,747 INFO L93 Difference]: Finished difference Result 270 states and 287 transitions. [2018-02-04 20:05:04,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 20:05:04,748 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 85 [2018-02-04 20:05:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:04,748 INFO L225 Difference]: With dead ends: 270 [2018-02-04 20:05:04,748 INFO L226 Difference]: Without dead ends: 270 [2018-02-04 20:05:04,749 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=304, Invalid=2549, Unknown=9, NotChecked=0, Total=2862 [2018-02-04 20:05:04,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-02-04 20:05:04,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 259. [2018-02-04 20:05:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 20:05:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 281 transitions. [2018-02-04 20:05:04,751 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 281 transitions. Word has length 85 [2018-02-04 20:05:04,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:04,751 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 281 transitions. [2018-02-04 20:05:04,751 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 20:05:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2018-02-04 20:05:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 20:05:04,752 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:04,752 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:04,752 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:04,752 INFO L82 PathProgramCache]: Analyzing trace with hash -882397041, now seen corresponding path program 1 times [2018-02-04 20:05:04,752 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:04,752 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:04,753 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:04,753 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:05:04,753 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:04,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 20:05:04,779 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:05:04,779 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:05:04,779 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 20:05:04,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 20:05:04,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 20:05:04,779 INFO L87 Difference]: Start difference. First operand 259 states and 281 transitions. Second operand 4 states. [2018-02-04 20:05:04,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:04,801 INFO L93 Difference]: Finished difference Result 270 states and 285 transitions. [2018-02-04 20:05:04,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 20:05:04,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2018-02-04 20:05:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:04,802 INFO L225 Difference]: With dead ends: 270 [2018-02-04 20:05:04,802 INFO L226 Difference]: Without dead ends: 270 [2018-02-04 20:05:04,802 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:05:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-02-04 20:05:04,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 256. [2018-02-04 20:05:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 20:05:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 274 transitions. [2018-02-04 20:05:04,803 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 274 transitions. Word has length 85 [2018-02-04 20:05:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:04,804 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 274 transitions. [2018-02-04 20:05:04,804 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 20:05:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 274 transitions. [2018-02-04 20:05:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 20:05:04,804 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:04,804 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:04,805 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:04,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1573241685, now seen corresponding path program 2 times [2018-02-04 20:05:04,805 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:04,805 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:04,805 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:04,806 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:04,806 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:04,811 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 20:05:04,870 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:04,870 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:04,871 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 20:05:04,899 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 20:05:04,899 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:05:04,901 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:04,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:04,915 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:04,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:04,916 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 20:05:04,947 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:04,948 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:04,948 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 17 treesize of output 24 [2018-02-04 20:05:04,948 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:04,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:04,975 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 20:05:04,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:05,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:05,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,003 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:05,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:05,015 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,016 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,024 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:51, output treesize:36 [2018-02-04 20:05:05,041 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 [2018-02-04 20:05:05,042 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 11 treesize of output 7 [2018-02-04 20:05:05,042 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,043 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:33 [2018-02-04 20:05:05,079 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,081 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-02-04 20:05:05,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:05,083 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,087 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:52, output treesize:35 [2018-02-04 20:05:05,115 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 34 treesize of output 33 [2018-02-04 20:05:05,117 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,118 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 [2018-02-04 20:05:05,118 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,128 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:54, output treesize:35 [2018-02-04 20:05:05,131 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,131 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,132 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2018-02-04 20:05:05,132 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,139 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,139 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:37 [2018-02-04 20:05:05,161 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2018-02-04 20:05:05,162 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 20 treesize of output 12 [2018-02-04 20:05:05,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,166 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,174 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:47 [2018-02-04 20:05:05,240 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,240 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,245 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 80 [2018-02-04 20:05:05,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:05,246 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:05,264 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:66 [2018-02-04 20:05:05,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 85 [2018-02-04 20:05:05,298 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:05,315 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 38 treesize of output 22 [2018-02-04 20:05:05,315 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:05,329 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:122, output treesize:79 [2018-02-04 20:05:05,361 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 15 treesize of output 8 [2018-02-04 20:05:05,361 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:05,368 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:91, output treesize:77 [2018-02-04 20:05:05,413 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 [2018-02-04 20:05:05,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:05,415 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,422 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:05,422 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:84, output treesize:77 [2018-02-04 20:05:05,497 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 9 treesize of output 1 [2018-02-04 20:05:05,497 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,508 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2018-02-04 20:05:05,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:05,509 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-02-04 20:05:05,514 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:05,519 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 18 treesize of output 17 [2018-02-04 20:05:05,520 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:05,522 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:05,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:05,528 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:96, output treesize:16 [2018-02-04 20:05:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:05,619 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 20:05:05,619 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 24] total 31 [2018-02-04 20:05:05,619 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 20:05:05,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 20:05:05,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2018-02-04 20:05:05,620 INFO L87 Difference]: Start difference. First operand 256 states and 274 transitions. Second operand 31 states. [2018-02-04 20:05:07,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:07,217 INFO L93 Difference]: Finished difference Result 260 states and 274 transitions. [2018-02-04 20:05:07,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 20:05:07,217 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 86 [2018-02-04 20:05:07,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:07,218 INFO L225 Difference]: With dead ends: 260 [2018-02-04 20:05:07,218 INFO L226 Difference]: Without dead ends: 260 [2018-02-04 20:05:07,218 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=447, Invalid=3585, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 20:05:07,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-02-04 20:05:07,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2018-02-04 20:05:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 20:05:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2018-02-04 20:05:07,220 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 86 [2018-02-04 20:05:07,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:07,220 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2018-02-04 20:05:07,220 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 20:05:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2018-02-04 20:05:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 20:05:07,221 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:07,221 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:07,221 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:07,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1525902088, now seen corresponding path program 2 times [2018-02-04 20:05:07,221 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:07,221 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:07,221 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:07,222 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:05:07,222 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:07,229 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:07,234 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:07,234 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:07,234 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:07,235 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 20:05:07,283 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 20:05:07,283 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:05:07,287 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:07,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:07,291 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:07,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,296 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:11 [2018-02-04 20:05:07,310 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,311 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,311 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 17 treesize of output 24 [2018-02-04 20:05:07,311 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 20:05:07,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-02-04 20:05:07,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:07,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:07,338 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,339 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,347 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:43 [2018-02-04 20:05:07,380 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,382 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 45 treesize of output 46 [2018-02-04 20:05:07,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:07,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,387 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,393 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:50 [2018-02-04 20:05:07,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2018-02-04 20:05:07,410 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,410 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 [2018-02-04 20:05:07,410 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,423 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:76, output treesize:57 [2018-02-04 20:05:07,451 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,451 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,452 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-02-04 20:05:07,452 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-02-04 20:05:07,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,470 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:40 [2018-02-04 20:05:07,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-02-04 20:05:07,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:05:07,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,494 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-02-04 20:05:07,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:07,503 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,504 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,510 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:62, output treesize:49 [2018-02-04 20:05:07,548 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 47 [2018-02-04 20:05:07,552 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 15 [2018-02-04 20:05:07,552 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,568 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,569 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,572 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 96 [2018-02-04 20:05:07,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:07,574 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,582 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,593 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. [2018-02-04 20:05:07,593 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:101, output treesize:101 [2018-02-04 20:05:07,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 76 [2018-02-04 20:05:07,617 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,618 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 38 treesize of output 22 [2018-02-04 20:05:07,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 101 [2018-02-04 20:05:07,644 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:07,645 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 38 treesize of output 22 [2018-02-04 20:05:07,645 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,652 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:07,670 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:184, output treesize:98 [2018-02-04 20:05:07,736 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 63 [2018-02-04 20:05:07,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:07,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,746 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 38 treesize of output 25 [2018-02-04 20:05:07,746 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-02-04 20:05:07,753 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:07,759 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:07,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:07,768 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:112, output treesize:50 [2018-02-04 20:05:07,835 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2018-02-04 20:05:07,836 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 5 treesize of output 1 [2018-02-04 20:05:07,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:07,843 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2018-02-04 20:05:07,844 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:07,852 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2018-02-04 20:05:07,852 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:07,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:07,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:07,871 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:68, output treesize:14 [2018-02-04 20:05:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:07,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:07,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 20:05:07,983 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 20:05:07,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 20:05:07,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=574, Unknown=4, NotChecked=0, Total=650 [2018-02-04 20:05:07,983 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand 26 states. [2018-02-04 20:05:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:09,321 INFO L93 Difference]: Finished difference Result 261 states and 275 transitions. [2018-02-04 20:05:09,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 20:05:09,321 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 87 [2018-02-04 20:05:09,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:09,322 INFO L225 Difference]: With dead ends: 261 [2018-02-04 20:05:09,322 INFO L226 Difference]: Without dead ends: 261 [2018-02-04 20:05:09,322 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=264, Invalid=1987, Unknown=5, NotChecked=0, Total=2256 [2018-02-04 20:05:09,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-02-04 20:05:09,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 256. [2018-02-04 20:05:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 20:05:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2018-02-04 20:05:09,324 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 87 [2018-02-04 20:05:09,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:09,324 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2018-02-04 20:05:09,324 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 20:05:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2018-02-04 20:05:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 20:05:09,325 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:09,325 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:09,325 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:09,325 INFO L82 PathProgramCache]: Analyzing trace with hash -419110422, now seen corresponding path program 1 times [2018-02-04 20:05:09,325 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:09,325 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:09,325 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:09,325 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:05:09,326 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:09,331 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:09,334 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:09,334 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:09,334 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:09,334 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:09,370 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:09,381 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,382 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,382 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 17 treesize of output 24 [2018-02-04 20:05:09,383 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,388 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 20:05:09,396 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:09,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:09,397 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,398 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:09,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:09,406 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,407 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,412 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-02-04 20:05:09,436 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,438 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 26 treesize of output 31 [2018-02-04 20:05:09,439 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 15 [2018-02-04 20:05:09,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,443 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,453 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,455 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 51 treesize of output 52 [2018-02-04 20:05:09,456 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 11 [2018-02-04 20:05:09,456 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,461 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,468 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,469 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:66 [2018-02-04 20:05:09,486 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 60 treesize of output 70 [2018-02-04 20:05:09,488 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,489 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 45 [2018-02-04 20:05:09,489 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,496 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,508 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 62 treesize of output 61 [2018-02-04 20:05:09,510 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,510 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 26 treesize of output 22 [2018-02-04 20:05:09,511 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,516 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,522 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2018-02-04 20:05:09,525 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,526 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,526 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 49 [2018-02-04 20:05:09,527 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,539 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:90 [2018-02-04 20:05:09,561 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 67 [2018-02-04 20:05:09,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 34 [2018-02-04 20:05:09,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,570 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,586 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:09,586 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 52 treesize of output 63 [2018-02-04 20:05:09,587 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-02-04 20:05:09,588 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,592 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,603 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:108 [2018-02-04 20:05:09,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,660 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,664 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 148 [2018-02-04 20:05:09,666 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 22 treesize of output 32 [2018-02-04 20:05:09,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,679 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,693 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,696 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 116 treesize of output 133 [2018-02-04 20:05:09,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 19 [2018-02-04 20:05:09,698 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,708 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,720 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:166, output treesize:150 [2018-02-04 20:05:09,745 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,748 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,749 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 318 [2018-02-04 20:05:09,753 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,762 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 135 [2018-02-04 20:05:09,762 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:09,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,796 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 215 [2018-02-04 20:05:09,802 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,803 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 82 treesize of output 62 [2018-02-04 20:05:09,803 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,812 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,822 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:314, output treesize:156 [2018-02-04 20:05:09,924 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,926 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 130 [2018-02-04 20:05:09,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-02-04 20:05:09,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,936 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 25 [2018-02-04 20:05:09,937 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,945 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 73 treesize of output 56 [2018-02-04 20:05:09,946 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:09,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:09,959 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:170, output treesize:85 [2018-02-04 20:05:09,997 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,998 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:09,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2018-02-04 20:05:10,000 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-02-04 20:05:10,000 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:10,008 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:10,009 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 31 treesize of output 21 [2018-02-04 20:05:10,009 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:10,024 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:10,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:10,038 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:92, output treesize:32 [2018-02-04 20:05:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:10,108 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:10,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 20:05:10,109 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 20:05:10,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 20:05:10,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2018-02-04 20:05:10,109 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand 21 states. [2018-02-04 20:05:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:10,819 INFO L93 Difference]: Finished difference Result 279 states and 295 transitions. [2018-02-04 20:05:10,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 20:05:10,820 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 87 [2018-02-04 20:05:10,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:10,820 INFO L225 Difference]: With dead ends: 279 [2018-02-04 20:05:10,820 INFO L226 Difference]: Without dead ends: 279 [2018-02-04 20:05:10,821 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2018-02-04 20:05:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-02-04 20:05:10,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 264. [2018-02-04 20:05:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-02-04 20:05:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 284 transitions. [2018-02-04 20:05:10,822 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 284 transitions. Word has length 87 [2018-02-04 20:05:10,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:10,823 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 284 transitions. [2018-02-04 20:05:10,823 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 20:05:10,823 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 284 transitions. [2018-02-04 20:05:10,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 20:05:10,823 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:10,823 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:10,823 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:10,823 INFO L82 PathProgramCache]: Analyzing trace with hash -419110421, now seen corresponding path program 1 times [2018-02-04 20:05:10,823 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:10,823 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:10,824 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:10,824 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:10,824 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:10,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:10,840 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:10,840 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:10,840 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:10,841 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:10,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:10,892 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:10,893 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:10,893 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 17 treesize of output 24 [2018-02-04 20:05:10,893 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,898 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,898 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:05:10,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:10,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:10,909 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:10,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:10,919 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,920 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,928 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-02-04 20:05:10,970 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:10,973 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 36 treesize of output 37 [2018-02-04 20:05:10,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:10,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,978 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,990 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 26 treesize of output 31 [2018-02-04 20:05:10,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:10,991 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:10,994 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,003 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:64 [2018-02-04 20:05:11,022 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 45 treesize of output 51 [2018-02-04 20:05:11,024 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,024 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 26 treesize of output 37 [2018-02-04 20:05:11,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,045 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 54 treesize of output 53 [2018-02-04 20:05:11,046 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,047 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 [2018-02-04 20:05:11,047 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,052 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,061 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:102, output treesize:64 [2018-02-04 20:05:11,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:11,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,080 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,080 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,081 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 49 [2018-02-04 20:05:11,081 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,096 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:89 [2018-02-04 20:05:11,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-02-04 20:05:11,126 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 18 treesize of output 11 [2018-02-04 20:05:11,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,130 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,148 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 62 [2018-02-04 20:05:11,151 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 23 treesize of output 16 [2018-02-04 20:05:11,152 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,158 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,171 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:111, output treesize:91 [2018-02-04 20:05:11,234 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,235 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,235 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,240 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 48 treesize of output 73 [2018-02-04 20:05:11,241 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 15 [2018-02-04 20:05:11,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,250 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,270 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,271 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,271 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,272 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 131 [2018-02-04 20:05:11,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:11,281 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,295 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,314 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. [2018-02-04 20:05:11,314 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:147, output treesize:139 [2018-02-04 20:05:11,346 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,352 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 95 treesize of output 110 [2018-02-04 20:05:11,354 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,355 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 38 treesize of output 22 [2018-02-04 20:05:11,355 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,365 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,389 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,391 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 136 [2018-02-04 20:05:11,397 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,398 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 38 treesize of output 22 [2018-02-04 20:05:11,398 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,411 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:11,429 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:230, output treesize:144 [2018-02-04 20:05:11,470 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2018-02-04 20:05:11,471 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:11,486 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:144, output treesize:117 [2018-02-04 20:05:11,613 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,614 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:11,616 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 96 [2018-02-04 20:05:11,618 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:11,623 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 48 [2018-02-04 20:05:11,623 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:11,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 20:05:11,641 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:11,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:11,653 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:11,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2018-02-04 20:05:11,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:11,680 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,689 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:11,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2018-02-04 20:05:11,690 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,695 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 [2018-02-04 20:05:11,695 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,698 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:11,707 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:151, output treesize:12 [2018-02-04 20:05:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:11,811 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:11,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 20:05:11,811 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 20:05:11,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 20:05:11,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=422, Unknown=2, NotChecked=0, Total=506 [2018-02-04 20:05:11,812 INFO L87 Difference]: Start difference. First operand 264 states and 284 transitions. Second operand 23 states. [2018-02-04 20:05:12,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:12,883 INFO L93 Difference]: Finished difference Result 277 states and 293 transitions. [2018-02-04 20:05:12,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 20:05:12,883 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 87 [2018-02-04 20:05:12,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:12,884 INFO L225 Difference]: With dead ends: 277 [2018-02-04 20:05:12,884 INFO L226 Difference]: Without dead ends: 277 [2018-02-04 20:05:12,884 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=281, Invalid=1521, Unknown=4, NotChecked=0, Total=1806 [2018-02-04 20:05:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-02-04 20:05:12,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 268. [2018-02-04 20:05:12,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-02-04 20:05:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 287 transitions. [2018-02-04 20:05:12,886 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 287 transitions. Word has length 87 [2018-02-04 20:05:12,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:12,887 INFO L432 AbstractCegarLoop]: Abstraction has 268 states and 287 transitions. [2018-02-04 20:05:12,887 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 20:05:12,887 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 287 transitions. [2018-02-04 20:05:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 20:05:12,887 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:12,887 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:12,887 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:12,887 INFO L82 PathProgramCache]: Analyzing trace with hash -843092644, now seen corresponding path program 1 times [2018-02-04 20:05:12,887 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:12,887 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:12,888 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:12,888 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:12,888 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:12,893 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 20:05:12,925 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:05:12,925 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:05:12,925 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:05:12,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:05:12,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:05:12,925 INFO L87 Difference]: Start difference. First operand 268 states and 287 transitions. Second operand 5 states. [2018-02-04 20:05:13,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:13,027 INFO L93 Difference]: Finished difference Result 270 states and 286 transitions. [2018-02-04 20:05:13,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:05:13,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-02-04 20:05:13,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:13,028 INFO L225 Difference]: With dead ends: 270 [2018-02-04 20:05:13,028 INFO L226 Difference]: Without dead ends: 270 [2018-02-04 20:05:13,028 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 20:05:13,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-02-04 20:05:13,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 267. [2018-02-04 20:05:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-02-04 20:05:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 286 transitions. [2018-02-04 20:05:13,031 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 286 transitions. Word has length 88 [2018-02-04 20:05:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:13,031 INFO L432 AbstractCegarLoop]: Abstraction has 267 states and 286 transitions. [2018-02-04 20:05:13,031 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:05:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 286 transitions. [2018-02-04 20:05:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 20:05:13,032 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:13,032 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:13,032 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:13,032 INFO L82 PathProgramCache]: Analyzing trace with hash -843092643, now seen corresponding path program 1 times [2018-02-04 20:05:13,032 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:13,032 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:13,033 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:13,033 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:13,033 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:13,040 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 20:05:13,089 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:05:13,089 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:05:13,089 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:05:13,089 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:05:13,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:05:13,089 INFO L87 Difference]: Start difference. First operand 267 states and 286 transitions. Second operand 5 states. [2018-02-04 20:05:13,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:13,182 INFO L93 Difference]: Finished difference Result 269 states and 285 transitions. [2018-02-04 20:05:13,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:05:13,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-02-04 20:05:13,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:13,183 INFO L225 Difference]: With dead ends: 269 [2018-02-04 20:05:13,183 INFO L226 Difference]: Without dead ends: 269 [2018-02-04 20:05:13,184 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 20:05:13,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-02-04 20:05:13,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 266. [2018-02-04 20:05:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-02-04 20:05:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 285 transitions. [2018-02-04 20:05:13,186 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 285 transitions. Word has length 88 [2018-02-04 20:05:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:13,186 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 285 transitions. [2018-02-04 20:05:13,186 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:05:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 285 transitions. [2018-02-04 20:05:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 20:05:13,186 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:13,187 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:13,187 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:13,187 INFO L82 PathProgramCache]: Analyzing trace with hash -366067921, now seen corresponding path program 1 times [2018-02-04 20:05:13,187 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:13,187 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:13,188 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:13,188 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:13,188 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:13,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:13,204 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:13,204 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:13,204 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:13,205 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:13,263 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:13,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:13,279 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,281 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-04 20:05:13,293 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,294 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 11 treesize of output 12 [2018-02-04 20:05:13,294 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,299 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-02-04 20:05:13,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:13,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:13,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:13,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:13,325 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,326 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,333 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-02-04 20:05:13,371 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-02-04 20:05:13,376 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 11 [2018-02-04 20:05:13,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,382 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,396 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 37 treesize of output 42 [2018-02-04 20:05:13,398 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 15 [2018-02-04 20:05:13,398 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,404 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,415 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:62 [2018-02-04 20:05:13,436 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 53 treesize of output 52 [2018-02-04 20:05:13,437 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 22 [2018-02-04 20:05:13,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,444 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,460 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 60 treesize of output 66 [2018-02-04 20:05:13,464 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,465 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 45 [2018-02-04 20:05:13,466 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,472 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,489 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:100, output treesize:62 [2018-02-04 20:05:13,492 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,492 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,493 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 41 [2018-02-04 20:05:13,493 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,506 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:82 [2018-02-04 20:05:13,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2018-02-04 20:05:13,534 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 18 treesize of output 26 [2018-02-04 20:05:13,534 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,557 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:13,557 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 52 treesize of output 63 [2018-02-04 20:05:13,559 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-02-04 20:05:13,559 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,565 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,576 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,576 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:106, output treesize:88 [2018-02-04 20:05:13,639 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,640 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,644 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 127 [2018-02-04 20:05:13,646 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 19 [2018-02-04 20:05:13,646 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,655 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,668 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,672 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 103 treesize of output 120 [2018-02-04 20:05:13,673 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 19 [2018-02-04 20:05:13,673 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,683 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,694 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:158, output treesize:142 [2018-02-04 20:05:13,720 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,725 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 146 [2018-02-04 20:05:13,727 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,729 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 34 treesize of output 38 [2018-02-04 20:05:13,729 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,760 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 110 treesize of output 125 [2018-02-04 20:05:13,762 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,763 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 34 treesize of output 38 [2018-02-04 20:05:13,763 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,772 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,784 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:180, output treesize:130 [2018-02-04 20:05:13,799 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,800 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,800 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,801 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,802 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 44 [2018-02-04 20:05:13,802 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,815 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:147, output treesize:139 [2018-02-04 20:05:13,837 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,841 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 146 [2018-02-04 20:05:13,844 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 39 treesize of output 62 [2018-02-04 20:05:13,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,871 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 117 [2018-02-04 20:05:13,877 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 26 treesize of output 50 [2018-02-04 20:05:13,877 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,885 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,897 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:166, output treesize:134 [2018-02-04 20:05:13,959 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,964 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 210 treesize of output 227 [2018-02-04 20:05:13,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:13,966 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,979 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:13,993 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,993 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,994 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:13,996 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:14,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 194 [2018-02-04 20:05:14,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:14,002 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,014 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,025 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:229, output treesize:137 [2018-02-04 20:05:14,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 444 treesize of output 394 [2018-02-04 20:05:14,059 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:14,060 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 78 treesize of output 42 [2018-02-04 20:05:14,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,093 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:14,099 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:14,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 242 [2018-02-04 20:05:14,103 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:14,104 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 78 treesize of output 42 [2018-02-04 20:05:14,104 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,117 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,128 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. [2018-02-04 20:05:14,128 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:452, output treesize:246 [2018-02-04 20:05:14,204 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 186 [2018-02-04 20:05:14,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:14,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,219 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 113 treesize of output 103 [2018-02-04 20:05:14,219 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,228 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 137 treesize of output 108 [2018-02-04 20:05:14,228 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:14,242 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:265, output treesize:128 [2018-02-04 20:05:14,264 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:14,266 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:14,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 79 [2018-02-04 20:05:14,271 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2018-02-04 20:05:14,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,277 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:14,277 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 27 treesize of output 19 [2018-02-04 20:05:14,278 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-02-04 20:05:14,283 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,285 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 5 treesize of output 1 [2018-02-04 20:05:14,285 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:14,291 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:14,291 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:135, output treesize:15 [2018-02-04 20:05:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:14,350 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:14,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 20:05:14,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 20:05:14,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 20:05:14,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-02-04 20:05:14,351 INFO L87 Difference]: Start difference. First operand 266 states and 285 transitions. Second operand 24 states. [2018-02-04 20:05:15,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:15,543 INFO L93 Difference]: Finished difference Result 326 states and 350 transitions. [2018-02-04 20:05:15,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 20:05:15,543 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 89 [2018-02-04 20:05:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:15,544 INFO L225 Difference]: With dead ends: 326 [2018-02-04 20:05:15,544 INFO L226 Difference]: Without dead ends: 326 [2018-02-04 20:05:15,544 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=252, Invalid=1728, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 20:05:15,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-02-04 20:05:15,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 272. [2018-02-04 20:05:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-02-04 20:05:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 292 transitions. [2018-02-04 20:05:15,546 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 292 transitions. Word has length 89 [2018-02-04 20:05:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:15,546 INFO L432 AbstractCegarLoop]: Abstraction has 272 states and 292 transitions. [2018-02-04 20:05:15,546 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 20:05:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 292 transitions. [2018-02-04 20:05:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 20:05:15,547 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:15,547 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:15,547 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:15,547 INFO L82 PathProgramCache]: Analyzing trace with hash -366067920, now seen corresponding path program 1 times [2018-02-04 20:05:15,547 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:15,547 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:15,547 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:15,548 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:15,548 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:15,555 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:15,559 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:15,559 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:15,559 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:15,560 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:15,596 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:15,612 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,613 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,613 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 17 treesize of output 24 [2018-02-04 20:05:15,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,620 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:05:15,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:15,632 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 8 treesize of output 7 [2018-02-04 20:05:15,633 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,634 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:15,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:15,658 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,659 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,668 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:42 [2018-02-04 20:05:15,709 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,711 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 26 treesize of output 31 [2018-02-04 20:05:15,713 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 15 [2018-02-04 20:05:15,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,731 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,733 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 51 treesize of output 52 [2018-02-04 20:05:15,734 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 11 [2018-02-04 20:05:15,735 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,741 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,751 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:80, output treesize:72 [2018-02-04 20:05:15,775 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 60 treesize of output 66 [2018-02-04 20:05:15,777 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,778 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 45 [2018-02-04 20:05:15,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,786 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,800 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 62 treesize of output 61 [2018-02-04 20:05:15,802 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,802 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 26 treesize of output 22 [2018-02-04 20:05:15,803 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,807 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,815 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:110, output treesize:72 [2018-02-04 20:05:15,818 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,818 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,819 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-02-04 20:05:15,819 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 5 [2018-02-04 20:05:15,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,841 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:78 [2018-02-04 20:05:15,862 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 61 [2018-02-04 20:05:15,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-02-04 20:05:15,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,871 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,885 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,887 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:15,887 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 52 treesize of output 63 [2018-02-04 20:05:15,889 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-02-04 20:05:15,889 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,894 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,904 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:102, output treesize:89 [2018-02-04 20:05:15,957 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,958 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,959 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 120 [2018-02-04 20:05:15,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:15,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,975 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:15,990 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,991 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,991 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:15,995 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 102 treesize of output 119 [2018-02-04 20:05:15,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:15,997 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,006 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,017 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:133, output treesize:113 [2018-02-04 20:05:16,043 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,043 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,044 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 121 [2018-02-04 20:05:16,050 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,050 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 [2018-02-04 20:05:16,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,077 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,078 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,082 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 101 treesize of output 116 [2018-02-04 20:05:16,084 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,085 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 [2018-02-04 20:05:16,085 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,094 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,106 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:151, output treesize:113 [2018-02-04 20:05:16,109 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,110 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,110 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,111 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 70 [2018-02-04 20:05:16,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,134 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 24 treesize of output 39 [2018-02-04 20:05:16,134 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:133, output treesize:162 [2018-02-04 20:05:16,189 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,190 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,191 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 146 [2018-02-04 20:05:16,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:05:16,197 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,242 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,243 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 124 [2018-02-04 20:05:16,249 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 14 treesize of output 7 [2018-02-04 20:05:16,249 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,258 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:189, output treesize:156 [2018-02-04 20:05:16,373 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,374 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,376 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,380 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 261 treesize of output 225 [2018-02-04 20:05:16,394 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 306 treesize of output 305 [2018-02-04 20:05:16,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,469 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:16,470 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 187 treesize of output 163 [2018-02-04 20:05:16,470 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:16,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:16,561 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,562 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 262 [2018-02-04 20:05:16,579 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 284 treesize of output 283 [2018-02-04 20:05:16,579 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,694 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,700 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:16,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 165 [2018-02-04 20:05:16,703 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:16,703 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 119 [2018-02-04 20:05:16,704 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,720 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:16,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:16,765 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:288, output treesize:385 [2018-02-04 20:05:16,842 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,846 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 427 treesize of output 282 [2018-02-04 20:05:16,867 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:16,868 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 430 treesize of output 406 [2018-02-04 20:05:16,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,096 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 360 treesize of output 312 [2018-02-04 20:05:17,116 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,117 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 351 treesize of output 327 [2018-02-04 20:05:17,118 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,200 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,270 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 161 [2018-02-04 20:05:17,272 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,273 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 [2018-02-04 20:05:17,274 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,298 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,362 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 152 treesize of output 155 [2018-02-04 20:05:17,364 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,365 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 45 [2018-02-04 20:05:17,365 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,386 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:17,434 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:599, output treesize:435 [2018-02-04 20:05:17,538 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,539 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 0 case distinctions, treesize of input 312 treesize of output 268 [2018-02-04 20:05:17,539 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,599 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 147 treesize of output 128 [2018-02-04 20:05:17,599 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:17,643 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:473, output treesize:389 [2018-02-04 20:05:17,932 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,933 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,936 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,936 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:17,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 173 [2018-02-04 20:05:17,942 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 15 [2018-02-04 20:05:17,943 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,962 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:17,962 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 77 treesize of output 43 [2018-02-04 20:05:17,962 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:17,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-02-04 20:05:17,980 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:17,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2018-02-04 20:05:17,996 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:18,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:18,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 62 [2018-02-04 20:05:18,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:18,036 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:18,047 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:18,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-02-04 20:05:18,048 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:18,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:05:18,054 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:18,059 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 11 treesize of output 7 [2018-02-04 20:05:18,059 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:18,075 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:18,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:18,087 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:286, output treesize:21 [2018-02-04 20:05:18,182 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:18,183 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:18,183 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 20:05:18,183 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 20:05:18,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 20:05:18,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=610, Unknown=5, NotChecked=0, Total=702 [2018-02-04 20:05:18,183 INFO L87 Difference]: Start difference. First operand 272 states and 292 transitions. Second operand 27 states. [2018-02-04 20:05:19,632 WARN L146 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 131 DAG size of output 104 [2018-02-04 20:05:20,219 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 148 DAG size of output 87 [2018-02-04 20:05:20,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:20,857 INFO L93 Difference]: Finished difference Result 323 states and 347 transitions. [2018-02-04 20:05:20,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 20:05:20,857 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 89 [2018-02-04 20:05:20,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:20,858 INFO L225 Difference]: With dead ends: 323 [2018-02-04 20:05:20,858 INFO L226 Difference]: Without dead ends: 323 [2018-02-04 20:05:20,858 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=359, Invalid=2276, Unknown=17, NotChecked=0, Total=2652 [2018-02-04 20:05:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-02-04 20:05:20,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2018-02-04 20:05:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-02-04 20:05:20,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 291 transitions. [2018-02-04 20:05:20,860 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 291 transitions. Word has length 89 [2018-02-04 20:05:20,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:20,860 INFO L432 AbstractCegarLoop]: Abstraction has 272 states and 291 transitions. [2018-02-04 20:05:20,860 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 20:05:20,860 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 291 transitions. [2018-02-04 20:05:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 20:05:20,861 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:20,861 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:20,861 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:20,861 INFO L82 PathProgramCache]: Analyzing trace with hash 215614319, now seen corresponding path program 3 times [2018-02-04 20:05:20,861 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:20,861 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:20,861 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:20,861 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:20,861 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:20,868 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:20,874 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:20,874 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:20,874 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:20,874 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 20:05:20,906 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-02-04 20:05:20,907 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:05:20,909 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:20,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:20,920 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,924 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2018-02-04 20:05:20,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:20,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:20,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:20,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:20,948 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,949 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,958 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-02-04 20:05:20,977 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 [2018-02-04 20:05:20,978 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 [2018-02-04 20:05:20,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,980 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:20,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:20,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:34 [2018-02-04 20:05:21,017 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2018-02-04 20:05:21,018 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 29 treesize of output 28 [2018-02-04 20:05:21,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,034 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:21,035 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 17 treesize of output 14 [2018-02-04 20:05:21,035 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,045 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:21,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:21,058 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:45, output treesize:67 [2018-02-04 20:05:21,082 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 44 treesize of output 39 [2018-02-04 20:05:21,083 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 29 [2018-02-04 20:05:21,084 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,117 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 68 [2018-02-04 20:05:21,119 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:21,119 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,121 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2018-02-04 20:05:21,121 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,150 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,151 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 55 treesize of output 47 [2018-02-04 20:05:21,151 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,164 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,176 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 2 xjuncts. [2018-02-04 20:05:21,177 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:105, output treesize:67 [2018-02-04 20:05:21,190 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,190 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,190 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 33 treesize of output 27 [2018-02-04 20:05:21,191 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,208 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,208 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,209 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,209 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 49 treesize of output 42 [2018-02-04 20:05:21,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,224 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:21,224 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:83, output treesize:70 [2018-02-04 20:05:21,250 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 61 treesize of output 62 [2018-02-04 20:05:21,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:21,251 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,260 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,262 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 46 treesize of output 43 [2018-02-04 20:05:21,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:21,263 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,269 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,292 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 42 treesize of output 37 [2018-02-04 20:05:21,294 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 14 treesize of output 11 [2018-02-04 20:05:21,294 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,299 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,321 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 74 [2018-02-04 20:05:21,330 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 69 treesize of output 62 [2018-02-04 20:05:21,330 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,359 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:21,359 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2018-02-04 20:05:21,359 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,378 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:21,397 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:21,397 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:108, output treesize:80 [2018-02-04 20:05:21,481 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 71 [2018-02-04 20:05:21,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:21,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,495 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,531 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 118 [2018-02-04 20:05:21,535 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 15 [2018-02-04 20:05:21,535 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,549 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,579 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,579 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,580 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 113 [2018-02-04 20:05:21,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:21,585 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,600 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,627 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,629 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 66 treesize of output 67 [2018-02-04 20:05:21,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:21,630 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,640 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:21,663 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:172, output treesize:148 [2018-02-04 20:05:21,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 167 [2018-02-04 20:05:21,759 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,760 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 38 treesize of output 22 [2018-02-04 20:05:21,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,818 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,819 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 130 [2018-02-04 20:05:21,825 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,826 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 38 treesize of output 22 [2018-02-04 20:05:21,826 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,839 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,873 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 121 treesize of output 108 [2018-02-04 20:05:21,875 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,876 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 [2018-02-04 20:05:21,876 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,887 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,918 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 90 treesize of output 80 [2018-02-04 20:05:21,920 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:21,921 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 [2018-02-04 20:05:21,921 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,930 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:21,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:21,951 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:310, output treesize:162 [2018-02-04 20:05:22,278 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,278 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 126 treesize of output 120 [2018-02-04 20:05:22,278 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:22,311 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 117 [2018-02-04 20:05:22,311 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:22,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:22,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:253, output treesize:207 [2018-02-04 20:05:22,768 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,769 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,769 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,770 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,770 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,771 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 137 [2018-02-04 20:05:22,780 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 11 treesize of output 8 [2018-02-04 20:05:22,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:22,805 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,808 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 44 [2018-02-04 20:05:22,809 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:22,835 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,835 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 53 treesize of output 48 [2018-02-04 20:05:22,836 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:22,837 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-02-04 20:05:22,838 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:22,864 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:22,953 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,954 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,954 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,955 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,955 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,956 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,956 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,957 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:22,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 147 [2018-02-04 20:05:22,964 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:22,967 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 42 [2018-02-04 20:05:22,968 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:22,998 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 11 treesize of output 8 [2018-02-04 20:05:22,999 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,022 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:23,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 63 [2018-02-04 20:05:23,026 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:23,027 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:23,027 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 0 case distinctions, treesize of input 56 treesize of output 51 [2018-02-04 20:05:23,028 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:23,064 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2018-02-04 20:05:23,239 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,239 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,240 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,241 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 72 [2018-02-04 20:05:23,250 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 3 case distinctions, treesize of input 15 treesize of output 31 [2018-02-04 20:05:23,251 INFO L267 ElimStorePlain]: Start of recursive call 13: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-02-04 20:05:23,272 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 6 treesize of output 4 [2018-02-04 20:05:23,272 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,284 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 [2018-02-04 20:05:23,284 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,294 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,295 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,295 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 69 [2018-02-04 20:05:23,304 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 27 [2018-02-04 20:05:23,304 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:23,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 20:05:23,318 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-02-04 20:05:23,327 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,334 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-02-04 20:05:23,336 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 11 treesize of output 3 [2018-02-04 20:05:23,336 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,349 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 11 treesize of output 8 [2018-02-04 20:05:23,349 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,359 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2018-02-04 20:05:23,362 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 [2018-02-04 20:05:23,362 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,373 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 11 treesize of output 4 [2018-02-04 20:05:23,373 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,381 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,552 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,552 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,553 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,553 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67 [2018-02-04 20:05:23,561 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 38 [2018-02-04 20:05:23,561 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:23,578 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 11 treesize of output 8 [2018-02-04 20:05:23,578 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,588 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 6 treesize of output 4 [2018-02-04 20:05:23,588 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,597 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,598 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,599 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,608 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,610 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67 [2018-02-04 20:05:23,621 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 38 [2018-02-04 20:05:23,622 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:23,653 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 11 treesize of output 8 [2018-02-04 20:05:23,653 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,664 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 6 treesize of output 4 [2018-02-04 20:05:23,665 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,673 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,675 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,675 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,676 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,677 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 68 [2018-02-04 20:05:23,685 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 27 [2018-02-04 20:05:23,685 INFO L267 ElimStorePlain]: Start of recursive call 35: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:23,699 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 8 treesize of output 6 [2018-02-04 20:05:23,699 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:23,709 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 17 treesize of output 12 [2018-02-04 20:05:23,709 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,717 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,719 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,719 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,720 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,720 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 72 [2018-02-04 20:05:23,728 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 38 [2018-02-04 20:05:23,729 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:23,748 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 11 treesize of output 4 [2018-02-04 20:05:23,748 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,757 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 6 treesize of output 4 [2018-02-04 20:05:23,758 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,765 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:23,767 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,767 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,768 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,769 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67 [2018-02-04 20:05:23,780 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 43 [2018-02-04 20:05:23,781 INFO L267 ElimStorePlain]: Start of recursive call 43: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-02-04 20:05:23,826 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 29 treesize of output 41 [2018-02-04 20:05:23,827 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 8 xjuncts. [2018-02-04 20:05:23,829 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:23,835 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 33 treesize of output 41 [2018-02-04 20:05:23,836 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 4 xjuncts. [2018-02-04 20:05:23,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 45 [2018-02-04 20:05:23,846 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 8 xjuncts. [2018-02-04 20:05:23,856 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 23 treesize of output 35 [2018-02-04 20:05:23,856 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 8 xjuncts. [2018-02-04 20:05:23,860 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 23 treesize of output 21 [2018-02-04 20:05:23,860 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:23,870 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 33 treesize of output 45 [2018-02-04 20:05:23,871 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 8 xjuncts. [2018-02-04 20:05:23,874 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 17 treesize of output 15 [2018-02-04 20:05:23,875 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:24,058 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 20 treesize of output 15 [2018-02-04 20:05:24,058 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,065 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 35 [2018-02-04 20:05:24,065 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,067 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:24,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 40 [2018-02-04 20:05:24,070 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:24,077 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 39 [2018-02-04 20:05:24,078 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,079 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 20 treesize of output 15 [2018-02-04 20:05:24,079 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,086 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 39 [2018-02-04 20:05:24,087 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 40 [2018-02-04 20:05:24,096 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,102 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 40 [2018-02-04 20:05:24,103 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,109 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 44 [2018-02-04 20:05:24,110 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,116 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 44 [2018-02-04 20:05:24,117 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 36 [2018-02-04 20:05:24,123 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,124 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 21 treesize of output 16 [2018-02-04 20:05:24,124 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,126 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:24,128 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 35 [2018-02-04 20:05:24,128 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:24,129 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 25 treesize of output 20 [2018-02-04 20:05:24,130 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,135 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 44 [2018-02-04 20:05:24,136 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,137 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:24,140 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 40 [2018-02-04 20:05:24,143 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:24,150 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 44 [2018-02-04 20:05:24,150 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,168 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 35 [2018-02-04 20:05:24,168 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:24,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-02-04 20:05:24,170 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,332 INFO L267 ElimStorePlain]: Start of recursive call 42: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-02-04 20:05:24,333 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:24,334 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:24,335 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:24,335 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:24,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 68 [2018-02-04 20:05:24,343 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 27 [2018-02-04 20:05:24,343 INFO L267 ElimStorePlain]: Start of recursive call 71: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:24,356 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2018-02-04 20:05:24,356 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,365 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 6 treesize of output 4 [2018-02-04 20:05:24,365 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,372 INFO L267 ElimStorePlain]: Start of recursive call 70: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:24,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-02-04 20:05:24,541 INFO L202 ElimStorePlain]: Needed 73 recursive calls to eliminate 14 variables, input treesize:279, output treesize:29 [2018-02-04 20:05:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:24,699 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:24,699 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 20:05:24,700 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 20:05:24,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 20:05:24,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=839, Unknown=0, NotChecked=0, Total=930 [2018-02-04 20:05:24,700 INFO L87 Difference]: Start difference. First operand 272 states and 291 transitions. Second operand 31 states. [2018-02-04 20:05:26,165 WARN L146 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 99 DAG size of output 95 [2018-02-04 20:05:27,486 WARN L146 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 112 DAG size of output 110 [2018-02-04 20:05:27,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:27,795 INFO L93 Difference]: Finished difference Result 279 states and 295 transitions. [2018-02-04 20:05:27,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 20:05:27,796 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 90 [2018-02-04 20:05:27,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:27,796 INFO L225 Difference]: With dead ends: 279 [2018-02-04 20:05:27,796 INFO L226 Difference]: Without dead ends: 279 [2018-02-04 20:05:27,797 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 57 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=327, Invalid=3213, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 20:05:27,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-02-04 20:05:27,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 269. [2018-02-04 20:05:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-02-04 20:05:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 288 transitions. [2018-02-04 20:05:27,799 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 288 transitions. Word has length 90 [2018-02-04 20:05:27,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:27,799 INFO L432 AbstractCegarLoop]: Abstraction has 269 states and 288 transitions. [2018-02-04 20:05:27,799 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 20:05:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 288 transitions. [2018-02-04 20:05:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 20:05:27,799 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:27,800 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:27,800 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:27,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1905891923, now seen corresponding path program 3 times [2018-02-04 20:05:27,800 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:27,800 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:27,801 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:27,801 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:05:27,801 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:27,812 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:27,816 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:27,816 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:27,816 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:27,817 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 20:05:27,861 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-02-04 20:05:27,861 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:05:27,865 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:27,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:27,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:27,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:27,927 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:27,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:27,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:27,941 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:27,942 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:27,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:27,952 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:66, output treesize:58 [2018-02-04 20:05:27,968 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 [2018-02-04 20:05:27,969 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 [2018-02-04 20:05:27,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:27,970 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:27,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:27,979 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:58 [2018-02-04 20:05:28,006 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,007 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2018-02-04 20:05:28,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-02-04 20:05:28,010 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,016 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:28,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:65 [2018-02-04 20:05:28,046 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,047 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,048 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 89 [2018-02-04 20:05:28,051 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,058 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 43 [2018-02-04 20:05:28,059 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:28,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:28,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:65 [2018-02-04 20:05:28,123 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,124 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,125 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 91 [2018-02-04 20:05:28,135 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 46 [2018-02-04 20:05:28,136 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 20:05:28,150 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:28,162 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:94, output treesize:84 [2018-02-04 20:05:28,230 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,230 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,231 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,231 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2018-02-04 20:05:28,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:28,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,247 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,257 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:28,258 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:100 [2018-02-04 20:05:28,286 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,287 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,287 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,288 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 135 [2018-02-04 20:05:28,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,295 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 38 treesize of output 22 [2018-02-04 20:05:28,295 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:28,314 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:140, output treesize:97 [2018-02-04 20:05:28,679 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,680 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,680 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,681 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,681 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:28,682 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:28,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 102 [2018-02-04 20:05:28,687 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:28,691 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 64 [2018-02-04 20:05:28,691 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:28,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2018-02-04 20:05:28,713 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:28,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:28,727 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:28,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:28,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:28,756 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:124, output treesize:106 [2018-02-04 20:05:28,865 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v_prenex_241 Int) (main_~item~0.base Int)) (let ((.cse0 (store |c_old(#valid)| v_prenex_241 1))) (let ((.cse1 (store .cse0 main_~item~0.base 1))) (and (= 0 (select .cse0 main_~item~0.base)) (not (= v_prenex_241 0)) (not (= main_~item~0.base 0)) (= (select |c_old(#valid)| v_prenex_241) 0) (= (store (store (store .cse1 c_main_~head~0.base 1) v_prenex_241 0) main_~item~0.base 0) |c_#valid|) (= 0 (select .cse1 c_main_~head~0.base)))))) is different from true [2018-02-04 20:05:28,980 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v_prenex_246 Int) (v_prenex_247 Int) (main_~item~0.base Int)) (let ((.cse1 (store |c_old(#valid)| v_prenex_247 1))) (let ((.cse0 (store .cse1 v_prenex_246 1))) (and (= (store (store (store (store .cse0 main_~item~0.base 1) v_prenex_247 0) v_prenex_246 0) main_~item~0.base 0) |c_#valid|) (not (= main_~item~0.base 0)) (not (= v_prenex_246 0)) (= (select |c_old(#valid)| v_prenex_247) 0) (not (= v_prenex_247 0)) (= 0 (select .cse0 main_~item~0.base)) (= 0 (select .cse1 v_prenex_246)))))) is different from true [2018-02-04 20:05:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2018-02-04 20:05:29,026 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:29,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 20:05:29,026 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 20:05:29,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 20:05:29,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=679, Unknown=18, NotChecked=106, Total=870 [2018-02-04 20:05:29,027 INFO L87 Difference]: Start difference. First operand 269 states and 288 transitions. Second operand 30 states. [2018-02-04 20:05:30,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:30,502 INFO L93 Difference]: Finished difference Result 281 states and 296 transitions. [2018-02-04 20:05:30,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 20:05:30,503 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 91 [2018-02-04 20:05:30,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:30,503 INFO L225 Difference]: With dead ends: 281 [2018-02-04 20:05:30,503 INFO L226 Difference]: Without dead ends: 261 [2018-02-04 20:05:30,504 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=123, Invalid=1340, Unknown=27, NotChecked=150, Total=1640 [2018-02-04 20:05:30,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-02-04 20:05:30,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 258. [2018-02-04 20:05:30,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-02-04 20:05:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 272 transitions. [2018-02-04 20:05:30,506 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 272 transitions. Word has length 91 [2018-02-04 20:05:30,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:30,506 INFO L432 AbstractCegarLoop]: Abstraction has 258 states and 272 transitions. [2018-02-04 20:05:30,506 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 20:05:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 272 transitions. [2018-02-04 20:05:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 20:05:30,506 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:30,506 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:30,506 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:30,507 INFO L82 PathProgramCache]: Analyzing trace with hash 598524654, now seen corresponding path program 1 times [2018-02-04 20:05:30,507 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:30,507 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:30,507 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,507 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:05:30,507 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:30,514 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 20:05:30,540 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:05:30,540 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:05:30,541 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:05:30,541 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:05:30,541 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:05:30,541 INFO L87 Difference]: Start difference. First operand 258 states and 272 transitions. Second operand 5 states. [2018-02-04 20:05:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:30,596 INFO L93 Difference]: Finished difference Result 260 states and 271 transitions. [2018-02-04 20:05:30,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:05:30,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-02-04 20:05:30,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:30,597 INFO L225 Difference]: With dead ends: 260 [2018-02-04 20:05:30,597 INFO L226 Difference]: Without dead ends: 260 [2018-02-04 20:05:30,597 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 20:05:30,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-02-04 20:05:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 257. [2018-02-04 20:05:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 20:05:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 271 transitions. [2018-02-04 20:05:30,600 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 271 transitions. Word has length 94 [2018-02-04 20:05:30,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:30,600 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 271 transitions. [2018-02-04 20:05:30,600 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:05:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 271 transitions. [2018-02-04 20:05:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 20:05:30,601 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:30,601 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:30,601 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:30,601 INFO L82 PathProgramCache]: Analyzing trace with hash 598524655, now seen corresponding path program 1 times [2018-02-04 20:05:30,601 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:30,601 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:30,601 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,601 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:30,601 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:30,608 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:30,659 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 20:05:30,659 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:05:30,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:05:30,660 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:05:30,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:05:30,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:05:30,660 INFO L87 Difference]: Start difference. First operand 257 states and 271 transitions. Second operand 6 states. [2018-02-04 20:05:30,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:30,737 INFO L93 Difference]: Finished difference Result 259 states and 270 transitions. [2018-02-04 20:05:30,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:05:30,767 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-02-04 20:05:30,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:30,767 INFO L225 Difference]: With dead ends: 259 [2018-02-04 20:05:30,767 INFO L226 Difference]: Without dead ends: 259 [2018-02-04 20:05:30,768 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-02-04 20:05:30,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-02-04 20:05:30,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 256. [2018-02-04 20:05:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 20:05:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 270 transitions. [2018-02-04 20:05:30,769 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 270 transitions. Word has length 94 [2018-02-04 20:05:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:30,769 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 270 transitions. [2018-02-04 20:05:30,769 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:05:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 270 transitions. [2018-02-04 20:05:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 20:05:30,770 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:30,770 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:30,770 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:30,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1374395383, now seen corresponding path program 1 times [2018-02-04 20:05:30,770 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:30,770 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:30,771 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,771 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:30,771 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:30,775 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 20:05:30,806 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:05:30,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 20:05:30,806 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 20:05:30,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 20:05:30,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 20:05:30,806 INFO L87 Difference]: Start difference. First operand 256 states and 270 transitions. Second operand 7 states. [2018-02-04 20:05:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:30,923 INFO L93 Difference]: Finished difference Result 258 states and 269 transitions. [2018-02-04 20:05:30,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 20:05:30,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-02-04 20:05:30,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:30,924 INFO L225 Difference]: With dead ends: 258 [2018-02-04 20:05:30,924 INFO L226 Difference]: Without dead ends: 258 [2018-02-04 20:05:30,924 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-02-04 20:05:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-04 20:05:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2018-02-04 20:05:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-02-04 20:05:30,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 269 transitions. [2018-02-04 20:05:30,926 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 269 transitions. Word has length 95 [2018-02-04 20:05:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:30,926 INFO L432 AbstractCegarLoop]: Abstraction has 255 states and 269 transitions. [2018-02-04 20:05:30,926 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 20:05:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 269 transitions. [2018-02-04 20:05:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 20:05:30,926 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:30,927 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:30,927 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1374395384, now seen corresponding path program 1 times [2018-02-04 20:05:30,927 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:30,927 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:30,927 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,927 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:30,928 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:30,935 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-02-04 20:05:30,991 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:05:30,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 20:05:30,991 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 20:05:30,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 20:05:30,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 20:05:30,991 INFO L87 Difference]: Start difference. First operand 255 states and 269 transitions. Second operand 7 states. [2018-02-04 20:05:31,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:31,123 INFO L93 Difference]: Finished difference Result 257 states and 268 transitions. [2018-02-04 20:05:31,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 20:05:31,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-02-04 20:05:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:31,123 INFO L225 Difference]: With dead ends: 257 [2018-02-04 20:05:31,123 INFO L226 Difference]: Without dead ends: 257 [2018-02-04 20:05:31,124 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-02-04 20:05:31,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-02-04 20:05:31,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 254. [2018-02-04 20:05:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-02-04 20:05:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 268 transitions. [2018-02-04 20:05:31,125 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 268 transitions. Word has length 95 [2018-02-04 20:05:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:31,125 INFO L432 AbstractCegarLoop]: Abstraction has 254 states and 268 transitions. [2018-02-04 20:05:31,125 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 20:05:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 268 transitions. [2018-02-04 20:05:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 20:05:31,126 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:31,126 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:31,126 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:31,126 INFO L82 PathProgramCache]: Analyzing trace with hash -343415791, now seen corresponding path program 1 times [2018-02-04 20:05:31,126 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:31,126 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:31,127 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:31,127 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:31,127 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:31,140 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:31,143 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:31,144 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:31,144 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:31,144 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:31,207 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:31,214 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,215 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-02-04 20:05:31,215 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,221 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 20:05:31,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:31,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:31,232 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:31,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:31,244 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,245 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,252 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:51, output treesize:36 [2018-02-04 20:05:31,282 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,285 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 26 treesize of output 31 [2018-02-04 20:05:31,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:31,286 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,328 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-02-04 20:05:31,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:31,332 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,338 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,348 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:74, output treesize:61 [2018-02-04 20:05:31,370 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 45 treesize of output 55 [2018-02-04 20:05:31,372 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,373 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 26 treesize of output 37 [2018-02-04 20:05:31,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,380 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,396 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 54 treesize of output 53 [2018-02-04 20:05:31,398 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,399 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 [2018-02-04 20:05:31,399 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,405 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,414 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:99, output treesize:61 [2018-02-04 20:05:31,419 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,419 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,420 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-02-04 20:05:31,420 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,440 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 6 treesize of output 5 [2018-02-04 20:05:31,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,456 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:86 [2018-02-04 20:05:31,485 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:31,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 47 [2018-02-04 20:05:31,487 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 18 treesize of output 11 [2018-02-04 20:05:31,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-02-04 20:05:31,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:05:31,516 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,522 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,537 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:110, output treesize:88 [2018-02-04 20:05:31,619 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,620 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 62 [2018-02-04 20:05:31,630 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 15 [2018-02-04 20:05:31,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,689 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,690 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,696 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 103 [2018-02-04 20:05:31,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:31,699 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,714 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,745 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. [2018-02-04 20:05:31,745 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:146, output treesize:117 [2018-02-04 20:05:31,780 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 15 [2018-02-04 20:05:31,780 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,844 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 87 [2018-02-04 20:05:31,846 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,847 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 [2018-02-04 20:05:31,848 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,858 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 102 [2018-02-04 20:05:31,890 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,891 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 45 [2018-02-04 20:05:31,891 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,901 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:31,917 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:162, output treesize:107 [2018-02-04 20:05:31,950 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,950 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,951 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,951 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:31,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 75 [2018-02-04 20:05:31,952 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:31,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:31,973 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:118, output treesize:136 [2018-02-04 20:05:32,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 94 [2018-02-04 20:05:32,017 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 22 treesize of output 15 [2018-02-04 20:05:32,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,024 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,053 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 96 [2018-02-04 20:05:32,055 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 27 treesize of output 20 [2018-02-04 20:05:32,056 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,065 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,086 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:163, output treesize:114 [2018-02-04 20:05:32,180 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,181 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,182 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,182 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,187 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 156 [2018-02-04 20:05:32,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:32,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 66 [2018-02-04 20:05:32,240 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 20 treesize of output 19 [2018-02-04 20:05:32,240 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,246 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,268 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:196, output treesize:164 [2018-02-04 20:05:32,309 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,311 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 195 [2018-02-04 20:05:32,322 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,323 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 46 treesize of output 26 [2018-02-04 20:05:32,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,343 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 115 [2018-02-04 20:05:32,376 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,377 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 46 treesize of output 26 [2018-02-04 20:05:32,377 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,385 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,405 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:307, output treesize:197 [2018-02-04 20:05:32,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 75 [2018-02-04 20:05:32,704 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:32,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:32,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:32,714 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,719 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 11 treesize of output 7 [2018-02-04 20:05:32,720 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,743 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:229, output treesize:170 [2018-02-04 20:05:32,775 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,778 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:32,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 93 [2018-02-04 20:05:32,781 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:32,785 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 39 [2018-02-04 20:05:32,785 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:32,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-02-04 20:05:32,800 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:32,808 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:32,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-02-04 20:05:32,817 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,836 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:32,836 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:177, output treesize:45 [2018-02-04 20:05:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 54 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:32,929 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:32,929 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 20:05:32,929 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 20:05:32,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 20:05:32,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=604, Unknown=13, NotChecked=0, Total=702 [2018-02-04 20:05:32,929 INFO L87 Difference]: Start difference. First operand 254 states and 268 transitions. Second operand 27 states. [2018-02-04 20:05:34,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:34,699 INFO L93 Difference]: Finished difference Result 302 states and 321 transitions. [2018-02-04 20:05:34,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 20:05:34,700 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 96 [2018-02-04 20:05:34,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:34,700 INFO L225 Difference]: With dead ends: 302 [2018-02-04 20:05:34,700 INFO L226 Difference]: Without dead ends: 302 [2018-02-04 20:05:34,701 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=187, Invalid=1432, Unknown=21, NotChecked=0, Total=1640 [2018-02-04 20:05:34,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-02-04 20:05:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 261. [2018-02-04 20:05:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 20:05:34,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 276 transitions. [2018-02-04 20:05:34,702 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 276 transitions. Word has length 96 [2018-02-04 20:05:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:34,702 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 276 transitions. [2018-02-04 20:05:34,702 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 20:05:34,703 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 276 transitions. [2018-02-04 20:05:34,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 20:05:34,703 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:34,703 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 20:05:34,703 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:34,703 INFO L82 PathProgramCache]: Analyzing trace with hash -343415790, now seen corresponding path program 1 times [2018-02-04 20:05:34,703 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:34,703 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:34,704 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:34,704 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:34,704 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:34,712 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:34,714 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:34,714 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:34,714 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:34,715 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:34,763 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:34,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:34,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,787 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:05:34,805 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:34,805 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:34,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-02-04 20:05:34,806 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,815 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:05:34,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:34,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:34,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,829 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:34,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:34,839 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,840 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,848 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-02-04 20:05:34,892 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:34,894 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 36 treesize of output 37 [2018-02-04 20:05:34,896 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 11 [2018-02-04 20:05:34,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,913 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 37 treesize of output 42 [2018-02-04 20:05:34,915 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 15 [2018-02-04 20:05:34,915 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,920 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,930 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:77, output treesize:65 [2018-02-04 20:05:34,950 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 53 treesize of output 52 [2018-02-04 20:05:34,952 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:34,953 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 26 treesize of output 22 [2018-02-04 20:05:34,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,978 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 60 treesize of output 66 [2018-02-04 20:05:34,979 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:34,980 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 45 [2018-02-04 20:05:34,980 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,987 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:34,998 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:103, output treesize:65 [2018-02-04 20:05:35,001 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,002 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,002 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 41 [2018-02-04 20:05:35,003 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,021 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 6 treesize of output 5 [2018-02-04 20:05:35,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,037 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:85, output treesize:90 [2018-02-04 20:05:35,065 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:35,067 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 52 treesize of output 67 [2018-02-04 20:05:35,069 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-02-04 20:05:35,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,102 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2018-02-04 20:05:35,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-02-04 20:05:35,106 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,112 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,126 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,126 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:114, output treesize:100 [2018-02-04 20:05:35,194 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,194 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,195 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,200 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 119 treesize of output 136 [2018-02-04 20:05:35,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:35,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,215 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,232 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,232 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,233 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 117 [2018-02-04 20:05:35,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:35,238 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,248 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,261 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:150, output treesize:118 [2018-02-04 20:05:35,288 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,294 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 98 treesize of output 113 [2018-02-04 20:05:35,297 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 20:05:35,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,309 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,330 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,331 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 118 [2018-02-04 20:05:35,337 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,338 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 [2018-02-04 20:05:35,338 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,349 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,364 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:163, output treesize:125 [2018-02-04 20:05:35,398 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 73 [2018-02-04 20:05:35,399 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,424 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,425 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,425 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,426 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,427 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 115 [2018-02-04 20:05:35,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,456 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:145, output treesize:190 [2018-02-04 20:05:35,502 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,503 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,507 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:35,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 160 [2018-02-04 20:05:35,509 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 14 treesize of output 7 [2018-02-04 20:05:35,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,548 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,549 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,550 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,551 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,552 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 179 [2018-02-04 20:05:35,556 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 36 treesize of output 28 [2018-02-04 20:05:35,556 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,573 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,593 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:209, output treesize:176 [2018-02-04 20:05:35,699 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,700 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,701 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,702 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,702 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,703 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,704 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,705 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,708 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 252 [2018-02-04 20:05:35,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:35,720 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,779 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,779 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,780 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,781 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,781 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 295 [2018-02-04 20:05:35,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:35,792 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,814 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,836 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. [2018-02-04 20:05:35,836 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:274, output treesize:234 [2018-02-04 20:05:35,882 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,882 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,883 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 393 treesize of output 406 [2018-02-04 20:05:35,896 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,897 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 54 treesize of output 30 [2018-02-04 20:05:35,897 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,958 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,958 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,959 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,961 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,963 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 328 treesize of output 256 [2018-02-04 20:05:35,971 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:35,972 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 54 treesize of output 30 [2018-02-04 20:05:35,972 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:35,997 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:36,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:36,017 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:413, output treesize:279 [2018-02-04 20:05:36,072 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,072 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,073 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,073 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 0 case distinctions, treesize of input 53 treesize of output 121 [2018-02-04 20:05:36,073 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:36,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:36,092 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:279, output treesize:227 [2018-02-04 20:05:36,387 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,388 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,389 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,389 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,389 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,390 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,391 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,393 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 255 treesize of output 193 [2018-02-04 20:05:36,398 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,410 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 106 treesize of output 94 [2018-02-04 20:05:36,413 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-02-04 20:05:36,529 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 84 [2018-02-04 20:05:36,534 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:36,536 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,536 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 78 treesize of output 66 [2018-02-04 20:05:36,536 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:36,538 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,538 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 92 [2018-02-04 20:05:36,540 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:36,543 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 88 [2018-02-04 20:05:36,547 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:36,549 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 78 [2018-02-04 20:05:36,553 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:36,555 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,555 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 84 treesize of output 72 [2018-02-04 20:05:36,555 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:36,557 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:36,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 92 [2018-02-04 20:05:36,562 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:36,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:36,756 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:36,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 77 [2018-02-04 20:05:36,879 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:36,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 93 [2018-02-04 20:05:36,885 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:36,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 89 [2018-02-04 20:05:36,890 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:36,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 89 [2018-02-04 20:05:36,895 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:36,897 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:36,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 93 [2018-02-04 20:05:36,898 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:36,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 93 [2018-02-04 20:05:36,903 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:36,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 77 [2018-02-04 20:05:36,905 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:37,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 22 dim-0 vars, and 11 xjuncts. [2018-02-04 20:05:37,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,398 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,412 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 5 [2018-02-04 20:05:37,412 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,425 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,436 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 [2018-02-04 20:05:37,436 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,445 INFO L267 ElimStorePlain]: Start of recursive call 19: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,451 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 5 [2018-02-04 20:05:37,451 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,465 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,477 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 [2018-02-04 20:05:37,477 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,489 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,497 INFO L267 ElimStorePlain]: Start of recursive call 24: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,503 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,519 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,531 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 9 [2018-02-04 20:05:37,531 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,543 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,553 INFO L267 ElimStorePlain]: Start of recursive call 29: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,559 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,573 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,586 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 9 [2018-02-04 20:05:37,586 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,603 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,613 INFO L267 ElimStorePlain]: Start of recursive call 34: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,619 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,633 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 5 [2018-02-04 20:05:37,634 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,647 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 [2018-02-04 20:05:37,647 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,659 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,669 INFO L267 ElimStorePlain]: Start of recursive call 39: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,675 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,690 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 5 [2018-02-04 20:05:37,690 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,704 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 [2018-02-04 20:05:37,704 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,716 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,725 INFO L267 ElimStorePlain]: Start of recursive call 44: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 81 [2018-02-04 20:05:37,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,731 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,747 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 9 [2018-02-04 20:05:37,747 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,760 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 5 treesize of output 1 [2018-02-04 20:05:37,761 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,773 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,784 INFO L267 ElimStorePlain]: Start of recursive call 49: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,790 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 5 [2018-02-04 20:05:37,790 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,806 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,820 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 20:05:37,832 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,842 INFO L267 ElimStorePlain]: Start of recursive call 54: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,848 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,863 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 9 [2018-02-04 20:05:37,863 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,877 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,890 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 5 treesize of output 1 [2018-02-04 20:05:37,890 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,900 INFO L267 ElimStorePlain]: Start of recursive call 59: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,907 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,921 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,934 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 18 treesize of output 9 [2018-02-04 20:05:37,934 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:37,945 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,954 INFO L267 ElimStorePlain]: Start of recursive call 64: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-02-04 20:05:37,960 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 7 treesize of output 5 [2018-02-04 20:05:37,960 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 20:05:37,975 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:37,989 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 [2018-02-04 20:05:37,989 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:38,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:05:38,001 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:38,011 INFO L267 ElimStorePlain]: Start of recursive call 69: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:38,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 11 xjuncts. [2018-02-04 20:05:38,181 INFO L202 ElimStorePlain]: Needed 73 recursive calls to eliminate 7 variables, input treesize:278, output treesize:254 [2018-02-04 20:05:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:38,315 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:38,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 20:05:38,316 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 20:05:38,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 20:05:38,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2018-02-04 20:05:38,316 INFO L87 Difference]: Start difference. First operand 261 states and 276 transitions. Second operand 29 states. [2018-02-04 20:05:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:40,291 INFO L93 Difference]: Finished difference Result 301 states and 320 transitions. [2018-02-04 20:05:40,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 20:05:40,291 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 96 [2018-02-04 20:05:40,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:40,291 INFO L225 Difference]: With dead ends: 301 [2018-02-04 20:05:40,291 INFO L226 Difference]: Without dead ends: 301 [2018-02-04 20:05:40,292 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=350, Invalid=2620, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 20:05:40,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-02-04 20:05:40,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 261. [2018-02-04 20:05:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 20:05:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 275 transitions. [2018-02-04 20:05:40,293 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 275 transitions. Word has length 96 [2018-02-04 20:05:40,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:40,293 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 275 transitions. [2018-02-04 20:05:40,294 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 20:05:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 275 transitions. [2018-02-04 20:05:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 20:05:40,294 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:40,294 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:40,294 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:40,294 INFO L82 PathProgramCache]: Analyzing trace with hash -338570031, now seen corresponding path program 2 times [2018-02-04 20:05:40,294 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:40,294 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:40,295 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:40,295 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 20:05:40,295 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:40,302 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:40,305 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:40,305 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:40,306 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:40,306 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 20:05:40,331 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 20:05:40,331 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:05:40,335 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:40,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-02-04 20:05:40,337 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,339 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,339 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 20:05:40,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:40,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:40,347 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,348 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,352 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:16 [2018-02-04 20:05:40,358 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 27 treesize of output 22 [2018-02-04 20:05:40,360 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,361 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 [2018-02-04 20:05:40,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,366 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:16 [2018-02-04 20:05:40,383 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,384 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,384 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 17 treesize of output 24 [2018-02-04 20:05:40,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,393 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:34 [2018-02-04 20:05:40,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:40,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:40,406 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,417 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 19 treesize of output 17 [2018-02-04 20:05:40,419 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 14 treesize of output 11 [2018-02-04 20:05:40,419 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,421 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,428 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:39 [2018-02-04 20:05:40,460 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,462 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 36 treesize of output 37 [2018-02-04 20:05:40,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:40,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,480 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 26 treesize of output 31 [2018-02-04 20:05:40,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:40,482 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,485 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,495 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:64 [2018-02-04 20:05:40,515 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 54 treesize of output 53 [2018-02-04 20:05:40,517 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,518 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 [2018-02-04 20:05:40,518 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,541 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 45 treesize of output 51 [2018-02-04 20:05:40,543 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,543 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 26 treesize of output 37 [2018-02-04 20:05:40,544 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,548 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,557 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:102, output treesize:64 [2018-02-04 20:05:40,560 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,560 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,561 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-02-04 20:05:40,561 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,571 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:65 [2018-02-04 20:05:40,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-02-04 20:05:40,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:05:40,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,610 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:40,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-02-04 20:05:40,612 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 18 treesize of output 11 [2018-02-04 20:05:40,612 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,616 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,624 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:84, output treesize:63 [2018-02-04 20:05:40,673 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,674 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,678 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 48 treesize of output 73 [2018-02-04 20:05:40,680 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 23 [2018-02-04 20:05:40,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,701 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,702 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,706 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 104 [2018-02-04 20:05:40,707 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 15 [2018-02-04 20:05:40,707 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,716 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,727 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. [2018-02-04 20:05:40,727 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:115, output treesize:120 [2018-02-04 20:05:40,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 169 [2018-02-04 20:05:40,756 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,807 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 62 treesize of output 46 [2018-02-04 20:05:40,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,851 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 131 treesize of output 146 [2018-02-04 20:05:40,853 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:40,854 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 62 treesize of output 46 [2018-02-04 20:05:40,855 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,864 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:40,875 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. [2018-02-04 20:05:40,875 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:232, output treesize:114 [2018-02-04 20:05:41,145 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:41,145 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,147 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:41,148 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:41,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 131 [2018-02-04 20:05:41,151 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,151 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,165 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 84 treesize of output 102 [2018-02-04 20:05:41,167 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-02-04 20:05:41,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 90 [2018-02-04 20:05:41,250 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:41,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 86 [2018-02-04 20:05:41,255 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:41,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 70 [2018-02-04 20:05:41,257 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:41,259 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:41,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 86 [2018-02-04 20:05:41,260 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:41,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 76 [2018-02-04 20:05:41,265 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:41,269 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 82 [2018-02-04 20:05:41,270 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:41,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 64 [2018-02-04 20:05:41,272 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:41,471 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,474 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 70 treesize of output 91 [2018-02-04 20:05:41,475 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:41,477 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,480 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 70 treesize of output 91 [2018-02-04 20:05:41,481 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:41,483 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 95 [2018-02-04 20:05:41,487 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:41,488 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 68 [2018-02-04 20:05:41,489 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,490 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 64 [2018-02-04 20:05:41,490 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,491 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 71 [2018-02-04 20:05:41,492 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,493 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,493 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:41,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 91 [2018-02-04 20:05:41,495 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,497 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 99 [2018-02-04 20:05:41,501 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:41,502 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,506 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 74 treesize of output 95 [2018-02-04 20:05:41,506 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:41,508 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:41,508 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 95 [2018-02-04 20:05:41,510 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,512 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,515 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 95 [2018-02-04 20:05:41,516 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:41,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 22 dim-0 vars, and 11 xjuncts. [2018-02-04 20:05:41,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2018-02-04 20:05:41,946 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-02-04 20:05:41,946 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:05:41,957 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,965 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 16 treesize of output 10 [2018-02-04 20:05:41,966 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,972 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2018-02-04 20:05:41,976 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 16 treesize of output 10 [2018-02-04 20:05:41,976 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,984 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:41,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-02-04 20:05:41,984 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,992 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 [2018-02-04 20:05:41,992 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:41,998 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2018-02-04 20:05:42,002 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 16 treesize of output 10 [2018-02-04 20:05:42,002 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,011 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-02-04 20:05:42,012 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,025 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 [2018-02-04 20:05:42,025 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,031 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2018-02-04 20:05:42,036 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,036 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 15 treesize of output 18 [2018-02-04 20:05:42,036 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,048 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,048 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 22 treesize of output 14 [2018-02-04 20:05:42,048 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,057 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 11 treesize of output 7 [2018-02-04 20:05:42,058 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,064 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2018-02-04 20:05:42,068 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-02-04 20:05:42,069 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,080 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 16 treesize of output 10 [2018-02-04 20:05:42,080 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:05:42,087 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,092 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 60 [2018-02-04 20:05:42,096 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 16 treesize of output 10 [2018-02-04 20:05:42,096 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,104 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-02-04 20:05:42,105 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,113 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 [2018-02-04 20:05:42,113 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,119 INFO L267 ElimStorePlain]: Start of recursive call 42: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2018-02-04 20:05:42,124 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,124 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 31 treesize of output 21 [2018-02-04 20:05:42,124 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,135 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 11 treesize of output 3 [2018-02-04 20:05:42,136 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 10 [2018-02-04 20:05:42,144 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,150 INFO L267 ElimStorePlain]: Start of recursive call 46: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2018-02-04 20:05:42,154 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-02-04 20:05:42,155 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,166 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-02-04 20:05:42,166 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,175 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 16 treesize of output 10 [2018-02-04 20:05:42,176 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,181 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2018-02-04 20:05:42,186 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,186 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 15 treesize of output 18 [2018-02-04 20:05:42,186 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,197 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 22 treesize of output 11 [2018-02-04 20:05:42,197 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,205 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 16 treesize of output 10 [2018-02-04 20:05:42,206 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,211 INFO L267 ElimStorePlain]: Start of recursive call 54: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2018-02-04 20:05:42,216 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-02-04 20:05:42,216 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-02-04 20:05:42,227 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,236 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 16 treesize of output 10 [2018-02-04 20:05:42,236 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,241 INFO L267 ElimStorePlain]: Start of recursive call 58: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2018-02-04 20:05:42,246 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-02-04 20:05:42,246 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,258 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 16 treesize of output 10 [2018-02-04 20:05:42,258 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,266 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:42,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-02-04 20:05:42,266 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,272 INFO L267 ElimStorePlain]: Start of recursive call 62: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:42,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-02-04 20:05:42,355 INFO L202 ElimStorePlain]: Needed 65 recursive calls to eliminate 6 variables, input treesize:189, output treesize:22 [2018-02-04 20:05:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:05:42,456 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:05:42,456 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 20:05:42,457 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 20:05:42,457 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 20:05:42,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=624, Unknown=10, NotChecked=0, Total=702 [2018-02-04 20:05:42,457 INFO L87 Difference]: Start difference. First operand 261 states and 275 transitions. Second operand 27 states. [2018-02-04 20:05:44,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:05:44,278 INFO L93 Difference]: Finished difference Result 253 states and 263 transitions. [2018-02-04 20:05:44,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 20:05:44,278 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 99 [2018-02-04 20:05:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:05:44,278 INFO L225 Difference]: With dead ends: 253 [2018-02-04 20:05:44,278 INFO L226 Difference]: Without dead ends: 206 [2018-02-04 20:05:44,279 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=337, Invalid=2301, Unknown=14, NotChecked=0, Total=2652 [2018-02-04 20:05:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-04 20:05:44,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-02-04 20:05:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-02-04 20:05:44,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 216 transitions. [2018-02-04 20:05:44,280 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 216 transitions. Word has length 99 [2018-02-04 20:05:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:05:44,280 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 216 transitions. [2018-02-04 20:05:44,280 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 20:05:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 216 transitions. [2018-02-04 20:05:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 20:05:44,280 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:05:44,280 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:05:44,280 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:05:44,281 INFO L82 PathProgramCache]: Analyzing trace with hash 382378546, now seen corresponding path program 2 times [2018-02-04 20:05:44,281 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 20:05:44,281 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 20:05:44,281 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:44,281 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 20:05:44,281 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 20:05:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:05:44,290 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 20:05:44,292 INFO L430 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-02-04 20:05:44,292 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 20:05:44,292 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-02-04 20:05:44,292 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 20:05:44,316 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 20:05:44,316 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 20:05:44,319 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 20:05:44,377 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,378 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,379 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,379 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 0 case distinctions, treesize of input 17 treesize of output 28 [2018-02-04 20:05:44,380 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,386 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 20:05:44,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 20:05:44,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:44,397 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,398 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,405 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:35 [2018-02-04 20:05:44,431 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,433 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 36 treesize of output 37 [2018-02-04 20:05:44,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:44,434 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,438 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-02-04 20:05:44,457 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 43 treesize of output 42 [2018-02-04 20:05:44,459 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,459 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 [2018-02-04 20:05:44,460 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,463 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:39 [2018-02-04 20:05:44,471 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,472 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,473 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,474 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:44,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 59 [2018-02-04 20:05:44,475 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,484 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:59 [2018-02-04 20:05:44,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-02-04 20:05:44,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:44,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 53 [2018-02-04 20:05:44,519 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 0 case distinctions, treesize of input 14 treesize of output 7 [2018-02-04 20:05:44,519 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,524 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,533 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:78, output treesize:72 [2018-02-04 20:05:44,550 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 23 treesize of output 11 [2018-02-04 20:05:44,551 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 [2018-02-04 20:05:44,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:44,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:92, output treesize:73 [2018-02-04 20:05:44,605 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 82 [2018-02-04 20:05:44,608 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:44,681 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 56 [2018-02-04 20:05:44,682 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:44,736 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:44,737 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 58 treesize of output 48 [2018-02-04 20:05:44,737 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:44,796 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 67 treesize of output 66 [2018-02-04 20:05:44,796 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:44,864 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:44,898 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-02-04 20:05:44,898 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:84, output treesize:280 [2018-02-04 20:05:45,000 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 109 [2018-02-04 20:05:45,003 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-04 20:05:45,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,093 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:45,093 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 94 treesize of output 86 [2018-02-04 20:05:45,094 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,187 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:45,193 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 3 case distinctions, treesize of input 79 treesize of output 78 [2018-02-04 20:05:45,194 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:45,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 20:05:45,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 73 [2018-02-04 20:05:45,363 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:45,364 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 [2018-02-04 20:05:45,364 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,374 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,450 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 78 treesize of output 73 [2018-02-04 20:05:45,452 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:45,453 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 29 [2018-02-04 20:05:45,453 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,464 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 5 xjuncts. [2018-02-04 20:05:45,564 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:256, output treesize:351 [2018-02-04 20:05:45,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 68 treesize of output 82 [2018-02-04 20:05:45,610 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:45,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 89 treesize of output 95 [2018-02-04 20:05:45,672 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:45,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 68 treesize of output 94 [2018-02-04 20:05:45,734 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 20:05:45,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-04 20:05:45,788 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:226, output treesize:223 [2018-02-04 20:05:45,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 81 [2018-02-04 20:05:45,857 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 14 treesize of output 11 [2018-02-04 20:05:45,857 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:45,948 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 107 treesize of output 117 [2018-02-04 20:05:45,952 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 114 treesize of output 108 [2018-02-04 20:05:45,953 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,229 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:46,379 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 3 case distinctions, treesize of input 87 treesize of output 94 [2018-02-04 20:05:46,380 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:46,508 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:46,510 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 78 [2018-02-04 20:05:46,510 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,590 INFO L267 ElimStorePlain]: Start of recursive call 4: 5 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-02-04 20:05:46,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 105 [2018-02-04 20:05:46,703 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 [2018-02-04 20:05:46,703 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,717 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2018-02-04 20:05:46,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:46,720 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,731 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 92 [2018-02-04 20:05:46,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-02-04 20:05:46,735 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,748 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 79 [2018-02-04 20:05:46,751 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 12 treesize of output 11 [2018-02-04 20:05:46,751 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,764 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2018-02-04 20:05:46,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:46,767 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,778 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,781 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 83 [2018-02-04 20:05:46,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:46,782 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,796 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,898 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 82 treesize of output 81 [2018-02-04 20:05:46,899 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 14 treesize of output 11 [2018-02-04 20:05:46,900 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:46,912 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-02-04 20:05:47,004 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 9 variables, input treesize:280, output treesize:470 [2018-02-04 20:05:47,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 69 [2018-02-04 20:05:47,122 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 [2018-02-04 20:05:47,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 65 [2018-02-04 20:05:47,168 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 [2018-02-04 20:05:47,168 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,176 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,207 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 93 treesize of output 89 [2018-02-04 20:05:47,208 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 [2018-02-04 20:05:47,208 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,217 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-02-04 20:05:47,249 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:244, output treesize:203 [2018-02-04 20:05:47,410 WARN L146 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 70 DAG size of output 53 [2018-02-04 20:05:47,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 95 [2018-02-04 20:05:47,528 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 77 treesize of output 76 [2018-02-04 20:05:47,528 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:47,644 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 67 [2018-02-04 20:05:47,644 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:47,791 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 67 treesize of output 64 [2018-02-04 20:05:47,791 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:47,863 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-02-04 20:05:47,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 97 [2018-02-04 20:05:47,984 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 75 treesize of output 72 [2018-02-04 20:05:47,984 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:48,184 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:48,185 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2018-02-04 20:05:48,185 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:48,279 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:48,376 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 70 treesize of output 69 [2018-02-04 20:05:48,376 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:48,447 INFO L267 ElimStorePlain]: Start of recursive call 6: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-02-04 20:05:48,594 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 17 dim-0 vars, and 10 xjuncts. [2018-02-04 20:05:48,594 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:149, output treesize:650 [2018-02-04 20:05:48,836 WARN L146 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 193 DAG size of output 107 [2018-02-04 20:05:48,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 105 [2018-02-04 20:05:48,863 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:48,864 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 87 treesize of output 79 [2018-02-04 20:05:48,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,045 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:49,051 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 3 case distinctions, treesize of input 76 treesize of output 75 [2018-02-04 20:05:49,051 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:49,098 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 20:05:49,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 67 [2018-02-04 20:05:49,286 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:49,287 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 [2018-02-04 20:05:49,287 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,296 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2018-02-04 20:05:49,452 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:49,453 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 29 [2018-02-04 20:05:49,453 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,465 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,599 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 78 treesize of output 77 [2018-02-04 20:05:49,600 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:49,601 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 29 [2018-02-04 20:05:49,601 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,613 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 110 [2018-02-04 20:05:49,744 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-04 20:05:49,745 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,941 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:49,942 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 83 treesize of output 75 [2018-02-04 20:05:49,942 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:49,964 INFO L267 ElimStorePlain]: Start of recursive call 11: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 5 dim-2 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-02-04 20:05:50,069 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:398, output treesize:439 [2018-02-04 20:05:50,142 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,143 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,143 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,144 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,146 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,148 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 107 [2018-02-04 20:05:50,150 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,255 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,255 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,256 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,258 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,259 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 118 [2018-02-04 20:05:50,260 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,406 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,406 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,407 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,407 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,409 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,410 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 128 [2018-02-04 20:05:50,412 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,517 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,518 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,519 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,519 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,521 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,522 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 112 [2018-02-04 20:05:50,524 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,626 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,627 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,628 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,629 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,630 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,631 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:50,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 96 [2018-02-04 20:05:50,634 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 5 dim-1 vars, End of recursive call: 8 dim-0 vars, and 5 xjuncts. [2018-02-04 20:05:50,733 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 13 variables, input treesize:373, output treesize:451 [2018-02-04 20:05:50,903 WARN L143 SmtUtils]: Spent 126ms on a formula simplification that was a NOOP. DAG size: 140 [2018-02-04 20:05:50,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 97 [2018-02-04 20:05:50,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:50,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,931 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 102 treesize of output 99 [2018-02-04 20:05:50,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:50,932 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,949 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 100 [2018-02-04 20:05:50,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:50,953 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,973 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,976 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 124 treesize of output 121 [2018-02-04 20:05:50,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:50,977 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,997 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:50,999 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 116 treesize of output 113 [2018-02-04 20:05:51,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 20:05:51,001 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:51,021 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:51,280 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:51,281 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:51,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 148 [2018-02-04 20:05:51,299 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-04 20:05:51,299 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:51,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 109 [2018-02-04 20:05:51,504 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:51,626 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:51,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 87 [2018-02-04 20:05:51,627 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:51,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-02-04 20:05:51,719 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:51,789 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 20:05:52,050 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:52,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 103 [2018-02-04 20:05:52,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-02-04 20:05:52,053 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:52,069 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:52,284 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:52,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 112 treesize of output 136 [2018-02-04 20:05:52,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 119 [2018-02-04 20:05:52,310 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-02-04 20:05:52,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 101 [2018-02-04 20:05:52,506 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:52,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 96 [2018-02-04 20:05:52,604 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:52,728 INFO L267 ElimStorePlain]: Start of recursive call 19: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 20:05:52,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 97 [2018-02-04 20:05:52,964 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 14 treesize of output 11 [2018-02-04 20:05:52,964 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:52,980 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:53,186 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:53,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 100 [2018-02-04 20:05:53,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-02-04 20:05:53,190 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:53,205 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:53,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 6 dim-2 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-02-04 20:05:53,387 INFO L202 ElimStorePlain]: Needed 26 recursive calls to eliminate 15 variables, input treesize:546, output treesize:929 [2018-02-04 20:05:53,732 WARN L146 SmtUtils]: Spent 277ms on a formula simplification. DAG size of input: 206 DAG size of output 145 [2018-02-04 20:05:54,028 WARN L143 SmtUtils]: Spent 227ms on a formula simplification that was a NOOP. DAG size: 166 [2018-02-04 20:05:54,387 WARN L143 SmtUtils]: Spent 280ms on a formula simplification that was a NOOP. DAG size: 166 [2018-02-04 20:05:54,403 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 149 [2018-02-04 20:05:54,405 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 144 treesize of output 147 [2018-02-04 20:05:54,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:54,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:05:55,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:55,299 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:55,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 140 treesize of output 174 [2018-02-04 20:05:55,320 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-02-04 20:05:55,328 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 161 treesize of output 164 [2018-02-04 20:05:55,329 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:55,710 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:55,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 123 [2018-02-04 20:05:55,711 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:55,931 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:55,932 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 140 treesize of output 142 [2018-02-04 20:05:55,932 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:56,142 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 2 case distinctions, treesize of input 136 treesize of output 146 [2018-02-04 20:05:56,143 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:05:56,710 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:05:56,710 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:05:56,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 122 [2018-02-04 20:05:56,712 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:05:57,108 INFO L267 ElimStorePlain]: Start of recursive call 4: 6 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-02-04 20:05:58,771 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 154 [2018-02-04 20:05:58,773 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 149 treesize of output 152 [2018-02-04 20:05:58,774 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:05:58,818 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:00,056 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:00,057 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:00,061 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:00,061 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:00,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 148 treesize of output 189 [2018-02-04 20:06:00,084 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-02-04 20:06:00,093 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-04 20:06:00,094 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:00,426 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:00,427 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 140 treesize of output 142 [2018-02-04 20:06:00,428 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:00,674 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:00,918 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:00,919 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 140 treesize of output 134 [2018-02-04 20:06:00,919 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:01,171 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:01,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 135 [2018-02-04 20:06:01,172 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:01,421 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 145 treesize of output 148 [2018-02-04 20:06:01,421 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:01,585 INFO L267 ElimStorePlain]: Start of recursive call 12: 6 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-02-04 20:06:03,352 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 3 case distinctions, treesize of input 120 treesize of output 126 [2018-02-04 20:06:03,354 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 121 treesize of output 124 [2018-02-04 20:06:03,354 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:03,388 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:04,430 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:04,432 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:04,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 145 [2018-02-04 20:06:04,450 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 137 treesize of output 140 [2018-02-04 20:06:04,450 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:04,573 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:04,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 99 [2018-02-04 20:06:04,575 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:04,644 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:04,645 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 120 treesize of output 122 [2018-02-04 20:06:04,646 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:04,708 INFO L267 ElimStorePlain]: Start of recursive call 21: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 20:06:05,690 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 3 case distinctions, treesize of input 120 treesize of output 126 [2018-02-04 20:06:05,692 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 121 treesize of output 124 [2018-02-04 20:06:05,692 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:05,751 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:06:06,581 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:06,583 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:06,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 145 [2018-02-04 20:06:06,602 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:06,610 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 130 treesize of output 161 [2018-02-04 20:06:06,611 INFO L267 ElimStorePlain]: Start of recursive call 28: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-04 20:06:06,800 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 117 treesize of output 120 [2018-02-04 20:06:06,801 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:06,920 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:06,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 99 [2018-02-04 20:06:06,921 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:07,032 INFO L267 ElimStorePlain]: Start of recursive call 27: 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2018-02-04 20:06:07,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 125 [2018-02-04 20:06:07,946 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 120 treesize of output 123 [2018-02-04 20:06:07,946 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:07,996 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:06:08,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 134 [2018-02-04 20:06:08,918 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:08,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 113 [2018-02-04 20:06:08,919 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:09,057 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 116 treesize of output 119 [2018-02-04 20:06:09,057 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:09,162 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 2 case distinctions, treesize of input 111 treesize of output 121 [2018-02-04 20:06:09,163 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:09,321 INFO L267 ElimStorePlain]: Start of recursive call 33: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-02-04 20:06:10,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 10 dim-2 vars, End of recursive call: 63 dim-0 vars, and 26 xjuncts. [2018-02-04 20:06:10,271 INFO L202 ElimStorePlain]: Needed 36 recursive calls to eliminate 21 variables, input treesize:663, output treesize:3194 [2018-02-04 20:06:12,718 WARN L146 SmtUtils]: Spent 2109ms on a formula simplification. DAG size of input: 825 DAG size of output 254 [2018-02-04 20:06:12,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 129 [2018-02-04 20:06:12,744 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 27 treesize of output 19 [2018-02-04 20:06:12,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:12,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:18,102 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:18,105 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:18,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 167 treesize of output 190 [2018-02-04 20:06:18,128 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:18,137 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 175 treesize of output 205 [2018-02-04 20:06:18,138 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:18,292 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:18,303 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 162 treesize of output 154 [2018-02-04 20:06:18,303 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:18,390 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:23,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 129 [2018-02-04 20:06:23,212 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:23,213 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 120 treesize of output 118 [2018-02-04 20:06:23,213 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:23,304 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:28,027 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 3 case distinctions, treesize of input 140 treesize of output 142 [2018-02-04 20:06:28,029 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:28,031 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 128 treesize of output 145 [2018-02-04 20:06:28,031 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:28,088 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:28,089 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 135 treesize of output 127 [2018-02-04 20:06:28,090 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:28,120 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:30,905 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 140 treesize of output 133 [2018-02-04 20:06:30,908 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 27 treesize of output 19 [2018-02-04 20:06:30,908 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:30,932 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:33,250 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:33,253 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:33,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 167 treesize of output 190 [2018-02-04 20:06:33,280 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:33,289 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 175 treesize of output 198 [2018-02-04 20:06:33,290 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:33,501 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:33,502 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 162 treesize of output 154 [2018-02-04 20:06:33,503 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:33,543 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:35,360 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 3 case distinctions, treesize of input 140 treesize of output 142 [2018-02-04 20:06:35,362 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:35,363 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 128 treesize of output 145 [2018-02-04 20:06:35,363 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:35,415 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:35,416 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 135 treesize of output 127 [2018-02-04 20:06:35,416 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:35,446 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:36,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 125 treesize of output 139 [2018-02-04 20:06:36,633 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:36,634 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 132 treesize of output 130 [2018-02-04 20:06:36,634 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:36,780 INFO L267 ElimStorePlain]: Start of recursive call 20: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:37,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 125 [2018-02-04 20:06:37,636 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:37,638 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 58 treesize of output 82 [2018-02-04 20:06:37,638 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:37,668 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:38,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 164 [2018-02-04 20:06:38,412 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:38,413 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 165 treesize of output 157 [2018-02-04 20:06:38,413 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:38,485 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:39,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 108 [2018-02-04 20:06:39,017 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:39,018 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 34 treesize of output 26 [2018-02-04 20:06:39,018 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:39,032 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:39,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 139 treesize of output 152 [2018-02-04 20:06:39,448 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-04 20:06:39,448 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:39,588 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:39,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 129 treesize of output 130 [2018-02-04 20:06:39,603 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:39,727 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:39,728 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 134 treesize of output 126 [2018-02-04 20:06:39,728 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:39,862 INFO L267 ElimStorePlain]: Start of recursive call 28: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 20:06:40,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 115 [2018-02-04 20:06:40,266 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:40,267 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 20 [2018-02-04 20:06:40,267 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:40,286 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:40,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 94 [2018-02-04 20:06:40,629 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 27 treesize of output 19 [2018-02-04 20:06:40,629 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:40,643 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:40,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 124 [2018-02-04 20:06:40,982 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:40,983 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 58 treesize of output 82 [2018-02-04 20:06:40,983 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:41,001 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:41,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 107 [2018-02-04 20:06:41,293 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:41,294 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 34 treesize of output 26 [2018-02-04 20:06:41,294 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:41,308 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:41,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 25 dim-0 vars, 16 dim-2 vars, End of recursive call: 29 dim-0 vars, and 10 xjuncts. [2018-02-04 20:06:41,552 INFO L202 ElimStorePlain]: Needed 39 recursive calls to eliminate 41 variables, input treesize:1172, output treesize:1046 [2018-02-04 20:06:46,368 WARN L146 SmtUtils]: Spent 4642ms on a formula simplification. DAG size of input: 338 DAG size of output 284 [2018-02-04 20:06:46,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 94 [2018-02-04 20:06:46,463 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:46,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-02-04 20:06:46,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:46,480 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:46,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 124 [2018-02-04 20:06:46,694 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:46,694 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 0 case distinctions, treesize of input 116 treesize of output 106 [2018-02-04 20:06:46,694 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:46,742 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:46,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 126 [2018-02-04 20:06:46,925 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 122 treesize of output 115 [2018-02-04 20:06:46,925 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:46,970 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:46,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 112 [2018-02-04 20:06:46,971 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,015 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 115 treesize of output 110 [2018-02-04 20:06:47,015 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,055 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:06:47,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 94 [2018-02-04 20:06:47,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 7 [2018-02-04 20:06:47,266 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 20:06:47,283 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,297 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 122 [2018-02-04 20:06:47,523 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:47,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 108 [2018-02-04 20:06:47,523 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,577 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 118 treesize of output 113 [2018-02-04 20:06:47,577 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,630 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 113 treesize of output 106 [2018-02-04 20:06:47,630 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,680 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:06:47,949 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 127 treesize of output 125 [2018-02-04 20:06:47,950 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 121 treesize of output 114 [2018-02-04 20:06:47,951 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:47,997 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:47,997 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 0 case distinctions, treesize of input 114 treesize of output 108 [2018-02-04 20:06:47,998 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,045 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:48,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 104 [2018-02-04 20:06:48,045 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,077 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 93 [2018-02-04 20:06:48,343 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:48,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-02-04 20:06:48,343 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,358 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,605 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:48,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 127 treesize of output 137 [2018-02-04 20:06:48,616 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:48,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 121 [2018-02-04 20:06:48,617 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,720 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 125 treesize of output 120 [2018-02-04 20:06:48,720 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,807 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 112 treesize of output 105 [2018-02-04 20:06:48,808 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,892 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 120 treesize of output 111 [2018-02-04 20:06:48,892 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:48,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 107 [2018-02-04 20:06:48,979 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:49,078 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 111 treesize of output 106 [2018-02-04 20:06:49,078 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:49,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 102 [2018-02-04 20:06:49,157 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:49,248 INFO L267 ElimStorePlain]: Start of recursive call 23: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 20:06:49,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 25 dim-0 vars, 8 dim-2 vars, End of recursive call: 35 dim-0 vars, and 11 xjuncts. [2018-02-04 20:06:49,536 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 33 variables, input treesize:924, output treesize:1083 [2018-02-04 20:06:53,444 WARN L146 SmtUtils]: Spent 3767ms on a formula simplification. DAG size of input: 360 DAG size of output 270 [2018-02-04 20:06:55,009 WARN L146 SmtUtils]: Spent 1396ms on a formula simplification. DAG size of input: 267 DAG size of output 210 [2018-02-04 20:06:55,022 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:55,022 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:55,023 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:55,024 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:55,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 110 [2018-02-04 20:06:55,032 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 99 [2018-02-04 20:06:55,032 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:55,086 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:55,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 67 [2018-02-04 20:06:55,087 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,126 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:55,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 84 [2018-02-04 20:06:55,127 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,167 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 81 treesize of output 77 [2018-02-04 20:06:55,167 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:55,207 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 77 treesize of output 72 [2018-02-04 20:06:55,207 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,252 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:55,397 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:55,397 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:55,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 100 [2018-02-04 20:06:55,406 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 87 [2018-02-04 20:06:55,406 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:55,451 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:55,451 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 73 treesize of output 67 [2018-02-04 20:06:55,451 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,495 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:55,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 81 [2018-02-04 20:06:55,496 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2018-02-04 20:06:55,530 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:55,561 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:55,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 94 [2018-02-04 20:06:55,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 72 [2018-02-04 20:06:55,729 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,764 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 72 treesize of output 68 [2018-02-04 20:06:55,764 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:55,797 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 86 treesize of output 77 [2018-02-04 20:06:55,797 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,828 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 77 treesize of output 64 [2018-02-04 20:06:55,829 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:55,860 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:56,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 74 [2018-02-04 20:06:56,057 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:56,057 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 19 treesize of output 13 [2018-02-04 20:06:56,057 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:56,068 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 20:06:56,286 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:56,287 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 20:06:56,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 93 [2018-02-04 20:06:56,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 81 [2018-02-04 20:06:56,292 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:56,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 66 [2018-02-04 20:06:56,325 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:56,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2018-02-04 20:06:56,358 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 20:06:56,411 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 77 treesize of output 72 [2018-02-04 20:06:56,411 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:56,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 57 [2018-02-04 20:06:56,447 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:56,487 INFO L267 ElimStorePlain]: Start of recursive call 20: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 20:06:56,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2018-02-04 20:06:56,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-02-04 20:06:56,715 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:56,733 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 20:06:56,734 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 19 treesize of output 13 [2018-02-04 20:06:56,734 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 20:06:56,748 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 20:06:56,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 30 dim-0 vars, 6 dim-2 vars, End of recursive call: 37 dim-0 vars, and 11 xjuncts. [2018-02-04 20:06:56,968 INFO L202 ElimStorePlain]: Needed 28 recursive calls to eliminate 36 variables, input treesize:606, output treesize:580 [2018-02-04 20:06:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 20:06:57,336 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 20:06:57,336 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 20:06:57,337 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 20:06:57,337 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 20:06:57,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=745, Unknown=4, NotChecked=0, Total=870 [2018-02-04 20:06:57,337 INFO L87 Difference]: Start difference. First operand 206 states and 216 transitions. Second operand 30 states. [2018-02-04 20:06:58,846 WARN L146 SmtUtils]: Spent 317ms on a formula simplification. DAG size of input: 176 DAG size of output 172 [2018-02-04 20:06:59,472 WARN L146 SmtUtils]: Spent 513ms on a formula simplification. DAG size of input: 185 DAG size of output 177 [2018-02-04 20:07:01,813 WARN L146 SmtUtils]: Spent 2234ms on a formula simplification. DAG size of input: 271 DAG size of output 247 [2018-02-04 20:07:03,007 WARN L146 SmtUtils]: Spent 1063ms on a formula simplification. DAG size of input: 191 DAG size of output 186 [2018-02-04 20:07:07,135 WARN L146 SmtUtils]: Spent 3972ms on a formula simplification. DAG size of input: 304 DAG size of output 234 [2018-02-04 20:07:08,640 WARN L146 SmtUtils]: Spent 1174ms on a formula simplification. DAG size of input: 333 DAG size of output 261 [2018-02-04 20:07:09,127 WARN L143 SmtUtils]: Spent 310ms on a formula simplification that was a NOOP. DAG size: 148 [2018-02-04 20:07:11,306 WARN L146 SmtUtils]: Spent 2080ms on a formula simplification. DAG size of input: 230 DAG size of output 220 [2018-02-04 20:07:11,642 WARN L143 SmtUtils]: Spent 258ms on a formula simplification that was a NOOP. DAG size: 169 [2018-02-04 20:07:20,008 WARN L146 SmtUtils]: Spent 8126ms on a formula simplification. DAG size of input: 440 DAG size of output 307 Received shutdown request... [2018-02-04 20:07:22,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 20:07:22,546 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 20:07:22,549 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 20:07:22,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 08:07:22 BoogieIcfgContainer [2018-02-04 20:07:22,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 20:07:22,550 INFO L168 Benchmark]: Toolchain (without parser) took 188052.61 ms. Allocated memory was 411.6 MB in the beginning and 1.2 GB in the end (delta: 829.9 MB). Free memory was 365.6 MB in the beginning and 1.1 GB in the end (delta: -708.8 MB). Peak memory consumption was 121.2 MB. Max. memory is 5.3 GB. [2018-02-04 20:07:22,551 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 411.6 MB. Free memory is still 374.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:07:22,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.11 ms. Allocated memory is still 411.6 MB. Free memory was 365.6 MB in the beginning and 353.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-02-04 20:07:22,551 INFO L168 Benchmark]: Boogie Preprocessor took 25.03 ms. Allocated memory is still 411.6 MB. Free memory was 353.6 MB in the beginning and 351.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:07:22,551 INFO L168 Benchmark]: RCFGBuilder took 443.01 ms. Allocated memory is still 411.6 MB. Free memory was 351.0 MB in the beginning and 308.5 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 5.3 GB. [2018-02-04 20:07:22,551 INFO L168 Benchmark]: TraceAbstraction took 187412.86 ms. Allocated memory was 411.6 MB in the beginning and 1.2 GB in the end (delta: 829.9 MB). Free memory was 308.5 MB in the beginning and 1.1 GB in the end (delta: -765.8 MB). Peak memory consumption was 64.1 MB. Max. memory is 5.3 GB. [2018-02-04 20:07:22,552 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 411.6 MB. Free memory is still 374.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.11 ms. Allocated memory is still 411.6 MB. Free memory was 365.6 MB in the beginning and 353.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 25.03 ms. Allocated memory is still 411.6 MB. Free memory was 353.6 MB in the beginning and 351.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 443.01 ms. Allocated memory is still 411.6 MB. Free memory was 351.0 MB in the beginning and 308.5 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 187412.86 ms. Allocated memory was 411.6 MB in the beginning and 1.2 GB in the end (delta: 829.9 MB). Free memory was 308.5 MB in the beginning and 1.1 GB in the end (delta: -765.8 MB). Peak memory consumption was 64.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 982]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 982). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1051). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1051). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1035). Cancelled while BasicCegarLoop was constructing difference of abstraction (206states) and interpolant automaton (currently 26 states, 30 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 426. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 162 locations, 55 error locations. TIMEOUT Result, 187.3s OverallTime, 55 OverallIterations, 5 TraceHistogramMax, 74.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6256 SDtfs, 18477 SDslu, 40420 SDs, 0 SdLazy, 32320 SolverSat, 1605 SolverUnsat, 363 SolverUnknown, 0 SolverNotchecked, 29.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3298 GetRequests, 1920 SyntacticMatches, 31 SemanticMatches, 1346 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 11798 ImplicationChecksByTransitivity, 67.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred in iteration=31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 54 MinimizatonAttempts, 1255 StatesRemovedByMinimization, 51 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 110.7s InterpolantComputationTime, 6295 NumberOfCodeBlocks, 6295 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 3828 ConstructedInterpolants, 1305 QuantifiedInterpolants, 19672361 SizeOfPredicates, 617 NumberOfNonLiveVariables, 8627 ConjunctsInSsa, 1870 ConjunctsInUnsatCore, 58 InterpolantComputations, 22 PerfectInterpolantSequences, 536/1515 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-queue_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-07-22-558.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-queue_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_20-07-22-558.csv Completed graceful shutdown