java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out3_Reals.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 15:07:47,232 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 15:07:47,234 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 15:07:47,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 15:07:47,252 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 15:07:47,254 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 15:07:47,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 15:07:47,258 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 15:07:47,262 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 15:07:47,263 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 15:07:47,266 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 15:07:47,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 15:07:47,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 15:07:47,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 15:07:47,275 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 15:07:47,276 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 15:07:47,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 15:07:47,285 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 15:07:47,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 15:07:47,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 15:07:47,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 15:07:47,295 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 15:07:47,297 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 15:07:47,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 15:07:47,301 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 15:07:47,302 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 15:07:47,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 15:07:47,307 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 15:07:47,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 15:07:47,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 15:07:47,310 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 15:07:47,311 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 15:07:47,311 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 15:07:47,312 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 15:07:47,313 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 15:07:47,314 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 15:07:47,314 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-03 15:07:47,335 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 15:07:47,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 15:07:47,338 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 15:07:47,339 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 15:07:47,339 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 15:07:47,339 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 15:07:47,339 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 15:07:47,339 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 15:07:47,340 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 15:07:47,340 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 15:07:47,340 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 15:07:47,340 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 15:07:47,340 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 15:07:47,341 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 15:07:47,341 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 15:07:47,343 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 15:07:47,343 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 15:07:47,343 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 15:07:47,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 15:07:47,344 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 15:07:47,344 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 15:07:47,344 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 15:07:47,344 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 15:07:47,346 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 15:07:47,346 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 15:07:47,346 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 15:07:47,347 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 15:07:47,347 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 15:07:47,347 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 15:07:47,347 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 15:07:47,348 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 15:07:47,348 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 15:07:47,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 15:07:47,348 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 15:07:47,348 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 15:07:47,349 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 15:07:47,349 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 15:07:47,349 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 15:07:47,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 15:07:47,349 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 15:07:47,350 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 15:07:47,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 15:07:47,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 15:07:47,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 15:07:47,425 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 15:07:47,425 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 15:07:47,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3_Reals.bpl [2018-12-03 15:07:47,427 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3_Reals.bpl' [2018-12-03 15:07:47,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 15:07:47,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 15:07:47,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 15:07:47,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 15:07:47,620 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 15:07:47,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,696 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 15:07:47,697 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 15:07:47,697 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 15:07:47,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 15:07:47,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 15:07:47,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 15:07:47,702 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 15:07:47,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... [2018-12-03 15:07:47,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 15:07:47,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 15:07:47,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 15:07:47,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 15:07:47,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 15:07:47,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-12-03 15:07:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-12-03 15:07:47,899 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-12-03 15:07:52,015 INFO L272 CfgBuilder]: Using library mode [2018-12-03 15:07:52,015 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 15:07:52,016 INFO L202 PluginConnector]: Adding new model threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:07:52 BoogieIcfgContainer [2018-12-03 15:07:52,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 15:07:52,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 15:07:52,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 15:07:52,021 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 15:07:52,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 03:07:47" (1/2) ... [2018-12-03 15:07:52,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4015f79f and model type threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:07:52, skipping insertion in model container [2018-12-03 15:07:52,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:07:52" (2/2) ... [2018-12-03 15:07:52,025 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out3_Reals.bpl [2018-12-03 15:07:52,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 15:07:52,046 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 147 error locations. [2018-12-03 15:07:52,064 INFO L257 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2018-12-03 15:07:52,113 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 15:07:52,114 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 15:07:52,114 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 15:07:52,114 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 15:07:52,114 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 15:07:52,114 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 15:07:52,115 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 15:07:52,118 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 15:07:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states. [2018-12-03 15:07:52,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 15:07:52,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:07:52,190 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:07:52,197 INFO L423 AbstractCegarLoop]: === Iteration 1 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:07:52,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:07:52,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1371044428, now seen corresponding path program 1 times [2018-12-03 15:07:52,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:07:52,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:07:52,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:07:52,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:07:52,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:07:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:07:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:07:52,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:07:52,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 15:07:52,767 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:07:52,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 15:07:52,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 15:07:52,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 15:07:52,788 INFO L87 Difference]: Start difference. First operand 491 states. Second operand 6 states. [2018-12-03 15:08:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:08:00,225 INFO L93 Difference]: Finished difference Result 891 states and 2674 transitions. [2018-12-03 15:08:00,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 15:08:00,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2018-12-03 15:08:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:08:00,259 INFO L225 Difference]: With dead ends: 891 [2018-12-03 15:08:00,259 INFO L226 Difference]: Without dead ends: 866 [2018-12-03 15:08:00,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 15:08:00,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-12-03 15:08:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 666. [2018-12-03 15:08:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2018-12-03 15:08:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1944 transitions. [2018-12-03 15:08:00,426 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1944 transitions. Word has length 7 [2018-12-03 15:08:00,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:08:00,427 INFO L480 AbstractCegarLoop]: Abstraction has 666 states and 1944 transitions. [2018-12-03 15:08:00,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 15:08:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1944 transitions. [2018-12-03 15:08:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 15:08:00,429 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:08:00,429 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:08:00,433 INFO L423 AbstractCegarLoop]: === Iteration 2 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:08:00,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:08:00,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1357159216, now seen corresponding path program 1 times [2018-12-03 15:08:00,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:08:00,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:00,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:08:00,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:00,435 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:08:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:08:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:08:00,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:08:00,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 15:08:00,718 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:08:00,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 15:08:00,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 15:08:00,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 15:08:00,721 INFO L87 Difference]: Start difference. First operand 666 states and 1944 transitions. Second operand 6 states. [2018-12-03 15:08:06,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:08:06,148 INFO L93 Difference]: Finished difference Result 1066 states and 3294 transitions. [2018-12-03 15:08:06,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 15:08:06,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2018-12-03 15:08:06,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:08:06,159 INFO L225 Difference]: With dead ends: 1066 [2018-12-03 15:08:06,159 INFO L226 Difference]: Without dead ends: 1041 [2018-12-03 15:08:06,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 15:08:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2018-12-03 15:08:06,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 966. [2018-12-03 15:08:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2018-12-03 15:08:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 3014 transitions. [2018-12-03 15:08:06,255 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 3014 transitions. Word has length 7 [2018-12-03 15:08:06,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:08:06,256 INFO L480 AbstractCegarLoop]: Abstraction has 966 states and 3014 transitions. [2018-12-03 15:08:06,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 15:08:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 3014 transitions. [2018-12-03 15:08:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 15:08:06,257 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:08:06,258 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:08:06,261 INFO L423 AbstractCegarLoop]: === Iteration 3 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:08:06,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:08:06,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1986414648, now seen corresponding path program 1 times [2018-12-03 15:08:06,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:08:06,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:06,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:08:06,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:06,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:08:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:08:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:08:06,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:08:06,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 15:08:06,348 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:08:06,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 15:08:06,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 15:08:06,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 15:08:06,349 INFO L87 Difference]: Start difference. First operand 966 states and 3014 transitions. Second operand 6 states. [2018-12-03 15:08:10,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:08:10,115 INFO L93 Difference]: Finished difference Result 1241 states and 3914 transitions. [2018-12-03 15:08:10,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 15:08:10,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2018-12-03 15:08:10,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:08:10,127 INFO L225 Difference]: With dead ends: 1241 [2018-12-03 15:08:10,128 INFO L226 Difference]: Without dead ends: 1216 [2018-12-03 15:08:10,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 15:08:10,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2018-12-03 15:08:10,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1141. [2018-12-03 15:08:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1141 states. [2018-12-03 15:08:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 3634 transitions. [2018-12-03 15:08:10,234 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 3634 transitions. Word has length 7 [2018-12-03 15:08:10,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:08:10,234 INFO L480 AbstractCegarLoop]: Abstraction has 1141 states and 3634 transitions. [2018-12-03 15:08:10,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 15:08:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 3634 transitions. [2018-12-03 15:08:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:08:10,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:08:10,239 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:08:10,242 INFO L423 AbstractCegarLoop]: === Iteration 4 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:08:10,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:08:10,243 INFO L82 PathProgramCache]: Analyzing trace with hash -982469104, now seen corresponding path program 1 times [2018-12-03 15:08:10,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:08:10,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:10,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:08:10,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:10,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:08:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:08:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:08:10,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:08:10,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:08:10,459 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:08:10,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:08:10,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:08:10,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:08:10,460 INFO L87 Difference]: Start difference. First operand 1141 states and 3634 transitions. Second operand 10 states. [2018-12-03 15:08:31,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:08:31,271 INFO L93 Difference]: Finished difference Result 6841 states and 22916 transitions. [2018-12-03 15:08:31,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-12-03 15:08:31,280 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:08:31,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:08:31,333 INFO L225 Difference]: With dead ends: 6841 [2018-12-03 15:08:31,334 INFO L226 Difference]: Without dead ends: 6771 [2018-12-03 15:08:31,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2018-12-03 15:08:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6771 states. [2018-12-03 15:08:31,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6771 to 2196. [2018-12-03 15:08:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2196 states. [2018-12-03 15:08:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 7575 transitions. [2018-12-03 15:08:31,769 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 7575 transitions. Word has length 12 [2018-12-03 15:08:31,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:08:31,769 INFO L480 AbstractCegarLoop]: Abstraction has 2196 states and 7575 transitions. [2018-12-03 15:08:31,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:08:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 7575 transitions. [2018-12-03 15:08:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:08:31,774 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:08:31,777 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:08:31,781 INFO L423 AbstractCegarLoop]: === Iteration 5 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:08:31,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:08:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1043183162, now seen corresponding path program 1 times [2018-12-03 15:08:31,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:08:31,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:31,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:08:31,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:31,785 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:08:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:08:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:08:31,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:08:31,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:08:31,954 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:08:31,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:08:31,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:08:31,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:08:31,956 INFO L87 Difference]: Start difference. First operand 2196 states and 7575 transitions. Second operand 10 states. [2018-12-03 15:08:50,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:08:50,447 INFO L93 Difference]: Finished difference Result 6911 states and 23153 transitions. [2018-12-03 15:08:50,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-03 15:08:50,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:08:50,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:08:50,497 INFO L225 Difference]: With dead ends: 6911 [2018-12-03 15:08:50,498 INFO L226 Difference]: Without dead ends: 6871 [2018-12-03 15:08:50,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=756, Unknown=0, NotChecked=0, Total=992 [2018-12-03 15:08:50,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2018-12-03 15:08:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 2281. [2018-12-03 15:08:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2018-12-03 15:08:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 7882 transitions. [2018-12-03 15:08:51,090 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 7882 transitions. Word has length 12 [2018-12-03 15:08:51,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:08:51,091 INFO L480 AbstractCegarLoop]: Abstraction has 2281 states and 7882 transitions. [2018-12-03 15:08:51,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:08:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 7882 transitions. [2018-12-03 15:08:51,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:08:51,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:08:51,093 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:08:51,095 INFO L423 AbstractCegarLoop]: === Iteration 6 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:08:51,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:08:51,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1043025496, now seen corresponding path program 1 times [2018-12-03 15:08:51,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:08:51,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:51,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:08:51,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:08:51,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:08:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:08:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:08:51,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:08:51,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:08:51,301 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:08:51,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:08:51,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:08:51,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:08:51,302 INFO L87 Difference]: Start difference. First operand 2281 states and 7882 transitions. Second operand 10 states. [2018-12-03 15:09:09,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:09:09,277 INFO L93 Difference]: Finished difference Result 5781 states and 19210 transitions. [2018-12-03 15:09:09,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-03 15:09:09,279 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:09:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:09:09,301 INFO L225 Difference]: With dead ends: 5781 [2018-12-03 15:09:09,301 INFO L226 Difference]: Without dead ends: 5741 [2018-12-03 15:09:09,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-12-03 15:09:09,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5741 states. [2018-12-03 15:09:09,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5741 to 2361. [2018-12-03 15:09:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2361 states. [2018-12-03 15:09:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 8163 transitions. [2018-12-03 15:09:09,771 INFO L78 Accepts]: Start accepts. Automaton has 2361 states and 8163 transitions. Word has length 12 [2018-12-03 15:09:09,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:09:09,771 INFO L480 AbstractCegarLoop]: Abstraction has 2361 states and 8163 transitions. [2018-12-03 15:09:09,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:09:09,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 8163 transitions. [2018-12-03 15:09:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:09:09,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:09:09,773 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:09:09,774 INFO L423 AbstractCegarLoop]: === Iteration 7 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:09:09,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:09:09,774 INFO L82 PathProgramCache]: Analyzing trace with hash -888955155, now seen corresponding path program 1 times [2018-12-03 15:09:09,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:09:09,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:09:09,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:09:09,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:09:09,776 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:09:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:09:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:09:09,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:09:09,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:09:09,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:09:09,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:09:09,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:09:09,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:09:09,898 INFO L87 Difference]: Start difference. First operand 2361 states and 8163 transitions. Second operand 10 states. [2018-12-03 15:09:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:09:33,174 INFO L93 Difference]: Finished difference Result 8281 states and 27814 transitions. [2018-12-03 15:09:33,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-03 15:09:33,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:09:33,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:09:33,213 INFO L225 Difference]: With dead ends: 8281 [2018-12-03 15:09:33,213 INFO L226 Difference]: Without dead ends: 8241 [2018-12-03 15:09:33,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=395, Invalid=1411, Unknown=0, NotChecked=0, Total=1806 [2018-12-03 15:09:33,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8241 states. [2018-12-03 15:09:34,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8241 to 2621. [2018-12-03 15:09:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2621 states. [2018-12-03 15:09:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 9185 transitions. [2018-12-03 15:09:34,096 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 9185 transitions. Word has length 12 [2018-12-03 15:09:34,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:09:34,096 INFO L480 AbstractCegarLoop]: Abstraction has 2621 states and 9185 transitions. [2018-12-03 15:09:34,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:09:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 9185 transitions. [2018-12-03 15:09:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:09:34,098 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:09:34,098 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:09:34,099 INFO L423 AbstractCegarLoop]: === Iteration 8 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:09:34,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:09:34,099 INFO L82 PathProgramCache]: Analyzing trace with hash -888797489, now seen corresponding path program 1 times [2018-12-03 15:09:34,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:09:34,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:09:34,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:09:34,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:09:34,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:09:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:09:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:09:34,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:09:34,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:09:34,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:09:34,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:09:34,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:09:34,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:09:34,213 INFO L87 Difference]: Start difference. First operand 2621 states and 9185 transitions. Second operand 10 states. [2018-12-03 15:09:57,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:09:57,237 INFO L93 Difference]: Finished difference Result 7096 states and 23619 transitions. [2018-12-03 15:09:57,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-03 15:09:57,238 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:09:57,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:09:57,260 INFO L225 Difference]: With dead ends: 7096 [2018-12-03 15:09:57,260 INFO L226 Difference]: Without dead ends: 7056 [2018-12-03 15:09:57,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=303, Invalid=1029, Unknown=0, NotChecked=0, Total=1332 [2018-12-03 15:09:57,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7056 states. [2018-12-03 15:09:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7056 to 2541. [2018-12-03 15:09:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2541 states. [2018-12-03 15:09:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 8894 transitions. [2018-12-03 15:09:57,979 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 8894 transitions. Word has length 12 [2018-12-03 15:09:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:09:57,979 INFO L480 AbstractCegarLoop]: Abstraction has 2541 states and 8894 transitions. [2018-12-03 15:09:57,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:09:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 8894 transitions. [2018-12-03 15:09:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:09:57,982 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:09:57,982 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:09:57,983 INFO L423 AbstractCegarLoop]: === Iteration 9 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:09:57,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:09:57,983 INFO L82 PathProgramCache]: Analyzing trace with hash -848105866, now seen corresponding path program 1 times [2018-12-03 15:09:57,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:09:57,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:09:57,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:09:57,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:09:57,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:09:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:09:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:09:58,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:09:58,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:09:58,188 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:09:58,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:09:58,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:09:58,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:09:58,190 INFO L87 Difference]: Start difference. First operand 2541 states and 8894 transitions. Second operand 10 states. [2018-12-03 15:10:20,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:10:20,309 INFO L93 Difference]: Finished difference Result 7001 states and 23688 transitions. [2018-12-03 15:10:20,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-03 15:10:20,309 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:10:20,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:10:20,330 INFO L225 Difference]: With dead ends: 7001 [2018-12-03 15:10:20,330 INFO L226 Difference]: Without dead ends: 6961 [2018-12-03 15:10:20,333 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2018-12-03 15:10:20,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6961 states. [2018-12-03 15:10:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6961 to 2746. [2018-12-03 15:10:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2746 states. [2018-12-03 15:10:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 9675 transitions. [2018-12-03 15:10:21,221 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 9675 transitions. Word has length 12 [2018-12-03 15:10:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:10:21,221 INFO L480 AbstractCegarLoop]: Abstraction has 2746 states and 9675 transitions. [2018-12-03 15:10:21,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:10:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 9675 transitions. [2018-12-03 15:10:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:10:21,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:10:21,224 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:10:21,224 INFO L423 AbstractCegarLoop]: === Iteration 10 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:10:21,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:10:21,225 INFO L82 PathProgramCache]: Analyzing trace with hash -185713946, now seen corresponding path program 1 times [2018-12-03 15:10:21,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:10:21,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:10:21,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:10:21,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:10:21,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:10:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:10:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:10:21,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:10:21,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:10:21,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:10:21,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:10:21,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:10:21,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:10:21,346 INFO L87 Difference]: Start difference. First operand 2746 states and 9675 transitions. Second operand 10 states. [2018-12-03 15:10:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:10:47,847 INFO L93 Difference]: Finished difference Result 8481 states and 28844 transitions. [2018-12-03 15:10:47,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 15:10:47,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:10:47,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:10:47,868 INFO L225 Difference]: With dead ends: 8481 [2018-12-03 15:10:47,868 INFO L226 Difference]: Without dead ends: 8441 [2018-12-03 15:10:47,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=411, Invalid=1481, Unknown=0, NotChecked=0, Total=1892 [2018-12-03 15:10:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2018-12-03 15:10:48,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 3016. [2018-12-03 15:10:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3016 states. [2018-12-03 15:10:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 10734 transitions. [2018-12-03 15:10:48,924 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 10734 transitions. Word has length 12 [2018-12-03 15:10:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:10:48,925 INFO L480 AbstractCegarLoop]: Abstraction has 3016 states and 10734 transitions. [2018-12-03 15:10:48,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:10:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 10734 transitions. [2018-12-03 15:10:48,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:10:48,926 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:10:48,926 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:10:48,927 INFO L423 AbstractCegarLoop]: === Iteration 11 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:10:48,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:10:48,928 INFO L82 PathProgramCache]: Analyzing trace with hash -185556280, now seen corresponding path program 1 times [2018-12-03 15:10:48,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:10:48,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:10:48,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:10:48,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:10:48,930 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:10:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:10:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:10:49,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:10:49,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:10:49,068 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:10:49,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:10:49,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:10:49,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:10:49,069 INFO L87 Difference]: Start difference. First operand 3016 states and 10734 transitions. Second operand 10 states. [2018-12-03 15:11:15,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:11:15,713 INFO L93 Difference]: Finished difference Result 7486 states and 25342 transitions. [2018-12-03 15:11:15,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-03 15:11:15,714 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:11:15,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:11:15,730 INFO L225 Difference]: With dead ends: 7486 [2018-12-03 15:11:15,730 INFO L226 Difference]: Without dead ends: 7446 [2018-12-03 15:11:15,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=326, Invalid=1156, Unknown=0, NotChecked=0, Total=1482 [2018-12-03 15:11:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2018-12-03 15:11:16,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3021. [2018-12-03 15:11:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3021 states. [2018-12-03 15:11:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 10750 transitions. [2018-12-03 15:11:16,881 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 10750 transitions. Word has length 12 [2018-12-03 15:11:16,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:11:16,882 INFO L480 AbstractCegarLoop]: Abstraction has 3021 states and 10750 transitions. [2018-12-03 15:11:16,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:11:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 10750 transitions. [2018-12-03 15:11:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:11:16,884 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:11:16,884 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:11:16,885 INFO L423 AbstractCegarLoop]: === Iteration 12 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:11:16,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:11:16,885 INFO L82 PathProgramCache]: Analyzing trace with hash -144864657, now seen corresponding path program 1 times [2018-12-03 15:11:16,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:11:16,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:11:16,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:11:16,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:11:16,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:11:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:11:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:11:16,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:11:16,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:11:16,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:11:16,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:11:16,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:11:16,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:11:16,999 INFO L87 Difference]: Start difference. First operand 3021 states and 10750 transitions. Second operand 10 states. [2018-12-03 15:11:44,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:11:44,196 INFO L93 Difference]: Finished difference Result 7821 states and 26709 transitions. [2018-12-03 15:11:44,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-03 15:11:44,197 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:11:44,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:11:44,215 INFO L225 Difference]: With dead ends: 7821 [2018-12-03 15:11:44,215 INFO L226 Difference]: Without dead ends: 7781 [2018-12-03 15:11:44,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=276, Invalid=914, Unknown=0, NotChecked=0, Total=1190 [2018-12-03 15:11:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7781 states. [2018-12-03 15:11:45,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7781 to 2831. [2018-12-03 15:11:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2018-12-03 15:11:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 9987 transitions. [2018-12-03 15:11:45,566 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 9987 transitions. Word has length 12 [2018-12-03 15:11:45,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:11:45,566 INFO L480 AbstractCegarLoop]: Abstraction has 2831 states and 9987 transitions. [2018-12-03 15:11:45,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:11:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 9987 transitions. [2018-12-03 15:11:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:11:45,568 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:11:45,568 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:11:45,569 INFO L423 AbstractCegarLoop]: === Iteration 13 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:11:45,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:11:45,569 INFO L82 PathProgramCache]: Analyzing trace with hash 357292439, now seen corresponding path program 1 times [2018-12-03 15:11:45,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:11:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:11:45,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:11:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:11:45,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:11:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:11:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:11:45,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:11:45,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:11:45,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:11:45,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:11:45,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:11:45,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:11:45,736 INFO L87 Difference]: Start difference. First operand 2831 states and 9987 transitions. Second operand 10 states. [2018-12-03 15:12:10,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:12:10,042 INFO L93 Difference]: Finished difference Result 7221 states and 24613 transitions. [2018-12-03 15:12:10,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-03 15:12:10,043 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:12:10,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:12:10,059 INFO L225 Difference]: With dead ends: 7221 [2018-12-03 15:12:10,060 INFO L226 Difference]: Without dead ends: 7181 [2018-12-03 15:12:10,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 15:12:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7181 states. [2018-12-03 15:12:11,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7181 to 2796. [2018-12-03 15:12:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2018-12-03 15:12:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 9820 transitions. [2018-12-03 15:12:11,420 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 9820 transitions. Word has length 12 [2018-12-03 15:12:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:12:11,420 INFO L480 AbstractCegarLoop]: Abstraction has 2796 states and 9820 transitions. [2018-12-03 15:12:11,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:12:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 9820 transitions. [2018-12-03 15:12:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:12:11,422 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:12:11,422 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:12:11,423 INFO L423 AbstractCegarLoop]: === Iteration 14 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:12:11,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:12:11,424 INFO L82 PathProgramCache]: Analyzing trace with hash 237326180, now seen corresponding path program 1 times [2018-12-03 15:12:11,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:12:11,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:12:11,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:12:11,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:12:11,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:12:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:12:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:12:11,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:12:11,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:12:11,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:12:11,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:12:11,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:12:11,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:12:11,564 INFO L87 Difference]: Start difference. First operand 2796 states and 9820 transitions. Second operand 10 states. [2018-12-03 15:12:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:12:39,820 INFO L93 Difference]: Finished difference Result 11586 states and 40124 transitions. [2018-12-03 15:12:39,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-03 15:12:39,821 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:12:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:12:39,840 INFO L225 Difference]: With dead ends: 11586 [2018-12-03 15:12:39,840 INFO L226 Difference]: Without dead ends: 8791 [2018-12-03 15:12:39,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=337, Invalid=1303, Unknown=0, NotChecked=0, Total=1640 [2018-12-03 15:12:39,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8791 states. [2018-12-03 15:12:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8791 to 3781. [2018-12-03 15:12:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3781 states. [2018-12-03 15:12:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3781 states and 13482 transitions. [2018-12-03 15:12:42,200 INFO L78 Accepts]: Start accepts. Automaton has 3781 states and 13482 transitions. Word has length 12 [2018-12-03 15:12:42,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:12:42,200 INFO L480 AbstractCegarLoop]: Abstraction has 3781 states and 13482 transitions. [2018-12-03 15:12:42,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:12:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3781 states and 13482 transitions. [2018-12-03 15:12:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:12:42,203 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:12:42,203 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:12:42,203 INFO L423 AbstractCegarLoop]: === Iteration 15 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:12:42,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:12:42,204 INFO L82 PathProgramCache]: Analyzing trace with hash 548552757, now seen corresponding path program 1 times [2018-12-03 15:12:42,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:12:42,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:12:42,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:12:42,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:12:42,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:12:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:12:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:12:42,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:12:42,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:12:42,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:12:42,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:12:42,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:12:42,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:12:42,330 INFO L87 Difference]: Start difference. First operand 3781 states and 13482 transitions. Second operand 10 states. [2018-12-03 15:13:15,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:13:15,928 INFO L93 Difference]: Finished difference Result 11961 states and 40927 transitions. [2018-12-03 15:13:15,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 15:13:15,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:13:15,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:13:15,956 INFO L225 Difference]: With dead ends: 11961 [2018-12-03 15:13:15,957 INFO L226 Difference]: Without dead ends: 11891 [2018-12-03 15:13:15,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=387, Invalid=1335, Unknown=0, NotChecked=0, Total=1722 [2018-12-03 15:13:15,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11891 states. [2018-12-03 15:13:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11891 to 4163. [2018-12-03 15:13:18,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4163 states. [2018-12-03 15:13:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 14981 transitions. [2018-12-03 15:13:18,804 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 14981 transitions. Word has length 12 [2018-12-03 15:13:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:13:18,804 INFO L480 AbstractCegarLoop]: Abstraction has 4163 states and 14981 transitions. [2018-12-03 15:13:18,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:13:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 14981 transitions. [2018-12-03 15:13:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:13:18,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:13:18,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:13:18,807 INFO L423 AbstractCegarLoop]: === Iteration 16 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:13:18,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:13:18,807 INFO L82 PathProgramCache]: Analyzing trace with hash 487838699, now seen corresponding path program 1 times [2018-12-03 15:13:18,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:13:18,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:13:18,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:13:18,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:13:18,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:13:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:13:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:13:18,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:13:18,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:13:18,916 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:13:18,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:13:18,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:13:18,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:13:18,917 INFO L87 Difference]: Start difference. First operand 4163 states and 14981 transitions. Second operand 10 states. [2018-12-03 15:13:49,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:13:49,256 INFO L93 Difference]: Finished difference Result 11156 states and 38386 transitions. [2018-12-03 15:13:49,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-03 15:13:49,256 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:13:49,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:13:49,289 INFO L225 Difference]: With dead ends: 11156 [2018-12-03 15:13:49,289 INFO L226 Difference]: Without dead ends: 11116 [2018-12-03 15:13:49,293 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=248, Invalid=682, Unknown=0, NotChecked=0, Total=930 [2018-12-03 15:13:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2018-12-03 15:13:52,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 4169. [2018-12-03 15:13:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4169 states. [2018-12-03 15:13:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 15008 transitions. [2018-12-03 15:13:52,259 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 15008 transitions. Word has length 12 [2018-12-03 15:13:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:13:52,260 INFO L480 AbstractCegarLoop]: Abstraction has 4169 states and 15008 transitions. [2018-12-03 15:13:52,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:13:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 15008 transitions. [2018-12-03 15:13:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:13:52,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:13:52,262 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:13:52,262 INFO L423 AbstractCegarLoop]: === Iteration 17 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:13:52,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:13:52,262 INFO L82 PathProgramCache]: Analyzing trace with hash 487996365, now seen corresponding path program 1 times [2018-12-03 15:13:52,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:13:52,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:13:52,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:13:52,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:13:52,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:13:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:13:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:13:52,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:13:52,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:13:52,381 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:13:52,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:13:52,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:13:52,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:13:52,382 INFO L87 Difference]: Start difference. First operand 4169 states and 15008 transitions. Second operand 10 states. [2018-12-03 15:14:21,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:14:21,299 INFO L93 Difference]: Finished difference Result 9276 states and 31708 transitions. [2018-12-03 15:14:21,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 15:14:21,299 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:14:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:14:21,319 INFO L225 Difference]: With dead ends: 9276 [2018-12-03 15:14:21,319 INFO L226 Difference]: Without dead ends: 9236 [2018-12-03 15:14:21,322 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-12-03 15:14:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9236 states. [2018-12-03 15:14:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9236 to 4257. [2018-12-03 15:14:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4257 states. [2018-12-03 15:14:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 4257 states and 15328 transitions. [2018-12-03 15:14:24,571 INFO L78 Accepts]: Start accepts. Automaton has 4257 states and 15328 transitions. Word has length 12 [2018-12-03 15:14:24,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:14:24,572 INFO L480 AbstractCegarLoop]: Abstraction has 4257 states and 15328 transitions. [2018-12-03 15:14:24,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:14:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4257 states and 15328 transitions. [2018-12-03 15:14:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:14:24,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:14:24,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:14:24,575 INFO L423 AbstractCegarLoop]: === Iteration 18 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:14:24,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:14:24,575 INFO L82 PathProgramCache]: Analyzing trace with hash 981738642, now seen corresponding path program 1 times [2018-12-03 15:14:24,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:14:24,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:14:24,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:14:24,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:14:24,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:14:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:14:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:14:24,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:14:24,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:14:24,950 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:14:24,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:14:24,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:14:24,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:14:24,951 INFO L87 Difference]: Start difference. First operand 4257 states and 15328 transitions. Second operand 10 states. [2018-12-03 15:14:25,388 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-12-03 15:14:40,230 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-12-03 15:14:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:14:55,308 INFO L93 Difference]: Finished difference Result 12537 states and 44290 transitions. [2018-12-03 15:14:55,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-03 15:14:55,309 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:14:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:14:55,339 INFO L225 Difference]: With dead ends: 12537 [2018-12-03 15:14:55,339 INFO L226 Difference]: Without dead ends: 12393 [2018-12-03 15:14:55,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2018-12-03 15:14:55,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12393 states. [2018-12-03 15:15:02,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12393 to 7732. [2018-12-03 15:15:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7732 states. [2018-12-03 15:15:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7732 states to 7732 states and 28314 transitions. [2018-12-03 15:15:02,330 INFO L78 Accepts]: Start accepts. Automaton has 7732 states and 28314 transitions. Word has length 12 [2018-12-03 15:15:02,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:15:02,331 INFO L480 AbstractCegarLoop]: Abstraction has 7732 states and 28314 transitions. [2018-12-03 15:15:02,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:15:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7732 states and 28314 transitions. [2018-12-03 15:15:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:15:02,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:15:02,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:15:02,334 INFO L423 AbstractCegarLoop]: === Iteration 19 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:15:02,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:15:02,335 INFO L82 PathProgramCache]: Analyzing trace with hash 981902012, now seen corresponding path program 1 times [2018-12-03 15:15:02,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:15:02,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:15:02,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:15:02,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:15:02,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:15:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:15:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:15:02,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:15:02,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:15:02,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:15:02,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:15:02,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:15:02,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:15:02,636 INFO L87 Difference]: Start difference. First operand 7732 states and 28314 transitions. Second operand 10 states. [2018-12-03 15:15:33,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:15:33,130 INFO L93 Difference]: Finished difference Result 12157 states and 42625 transitions. [2018-12-03 15:15:33,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 15:15:33,130 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:15:33,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:15:33,158 INFO L225 Difference]: With dead ends: 12157 [2018-12-03 15:15:33,158 INFO L226 Difference]: Without dead ends: 12117 [2018-12-03 15:15:33,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2018-12-03 15:15:33,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12117 states. [2018-12-03 15:15:40,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12117 to 7882. [2018-12-03 15:15:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7882 states. [2018-12-03 15:15:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 28854 transitions. [2018-12-03 15:15:40,383 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 28854 transitions. Word has length 12 [2018-12-03 15:15:40,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:15:40,383 INFO L480 AbstractCegarLoop]: Abstraction has 7882 states and 28854 transitions. [2018-12-03 15:15:40,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:15:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 28854 transitions. [2018-12-03 15:15:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:15:40,386 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:15:40,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:15:40,386 INFO L423 AbstractCegarLoop]: === Iteration 20 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:15:40,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:15:40,386 INFO L82 PathProgramCache]: Analyzing trace with hash 981896308, now seen corresponding path program 1 times [2018-12-03 15:15:40,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:15:40,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:15:40,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:15:40,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:15:40,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:15:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:15:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:15:40,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:15:40,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:15:40,584 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:15:40,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:15:40,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:15:40,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:15:40,586 INFO L87 Difference]: Start difference. First operand 7882 states and 28854 transitions. Second operand 10 states. [2018-12-03 15:16:15,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:16:15,481 INFO L93 Difference]: Finished difference Result 13352 states and 47128 transitions. [2018-12-03 15:16:15,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-03 15:16:15,482 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:16:15,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:16:15,513 INFO L225 Difference]: With dead ends: 13352 [2018-12-03 15:16:15,514 INFO L226 Difference]: Without dead ends: 13312 [2018-12-03 15:16:15,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=221, Invalid=709, Unknown=0, NotChecked=0, Total=930 [2018-12-03 15:16:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13312 states. [2018-12-03 15:16:23,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13312 to 8207. [2018-12-03 15:16:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8207 states. [2018-12-03 15:16:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8207 states to 8207 states and 30159 transitions. [2018-12-03 15:16:23,249 INFO L78 Accepts]: Start accepts. Automaton has 8207 states and 30159 transitions. Word has length 12 [2018-12-03 15:16:23,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:16:23,249 INFO L480 AbstractCegarLoop]: Abstraction has 8207 states and 30159 transitions. [2018-12-03 15:16:23,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:16:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 8207 states and 30159 transitions. [2018-12-03 15:16:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:16:23,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:16:23,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:16:23,253 INFO L423 AbstractCegarLoop]: === Iteration 21 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:16:23,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:16:23,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1524745027, now seen corresponding path program 1 times [2018-12-03 15:16:23,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:16:23,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:16:23,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:16:23,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:16:23,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:16:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:16:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:16:23,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:16:23,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:16:23,480 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:16:23,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:16:23,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:16:23,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:16:23,481 INFO L87 Difference]: Start difference. First operand 8207 states and 30159 transitions. Second operand 10 states. [2018-12-03 15:17:00,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:17:00,656 INFO L93 Difference]: Finished difference Result 24178 states and 88004 transitions. [2018-12-03 15:17:00,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-03 15:17:00,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:17:00,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:17:00,698 INFO L225 Difference]: With dead ends: 24178 [2018-12-03 15:17:00,698 INFO L226 Difference]: Without dead ends: 15972 [2018-12-03 15:17:00,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2018-12-03 15:17:00,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15972 states. [2018-12-03 15:17:09,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15972 to 9382. [2018-12-03 15:17:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9382 states. [2018-12-03 15:17:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9382 states to 9382 states and 33834 transitions. [2018-12-03 15:17:09,803 INFO L78 Accepts]: Start accepts. Automaton has 9382 states and 33834 transitions. Word has length 12 [2018-12-03 15:17:09,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:17:09,803 INFO L480 AbstractCegarLoop]: Abstraction has 9382 states and 33834 transitions. [2018-12-03 15:17:09,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:17:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 9382 states and 33834 transitions. [2018-12-03 15:17:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:17:09,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:17:09,805 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:17:09,806 INFO L423 AbstractCegarLoop]: === Iteration 22 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:17:09,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:17:09,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1533720705, now seen corresponding path program 1 times [2018-12-03 15:17:09,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:17:09,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:17:09,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:17:09,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:17:09,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:17:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:17:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:17:09,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:17:09,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:17:09,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:17:09,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:17:09,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:17:09,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:17:09,994 INFO L87 Difference]: Start difference. First operand 9382 states and 33834 transitions. Second operand 10 states. [2018-12-03 15:17:39,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:17:39,218 INFO L93 Difference]: Finished difference Result 13252 states and 46345 transitions. [2018-12-03 15:17:39,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 15:17:39,219 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:17:39,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:17:39,252 INFO L225 Difference]: With dead ends: 13252 [2018-12-03 15:17:39,252 INFO L226 Difference]: Without dead ends: 13212 [2018-12-03 15:17:39,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2018-12-03 15:17:39,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13212 states. [2018-12-03 15:17:48,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13212 to 9372. [2018-12-03 15:17:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9372 states. [2018-12-03 15:17:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 33817 transitions. [2018-12-03 15:17:48,721 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 33817 transitions. Word has length 12 [2018-12-03 15:17:48,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:17:48,721 INFO L480 AbstractCegarLoop]: Abstraction has 9372 states and 33817 transitions. [2018-12-03 15:17:48,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:17:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 33817 transitions. [2018-12-03 15:17:48,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:17:48,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:17:48,724 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:17:48,725 INFO L423 AbstractCegarLoop]: === Iteration 23 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:17:48,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:17:48,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1533715001, now seen corresponding path program 1 times [2018-12-03 15:17:48,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:17:48,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:17:48,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:17:48,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:17:48,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:17:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:17:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:17:48,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:17:48,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:17:48,952 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:17:48,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:17:48,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:17:48,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:17:48,953 INFO L87 Difference]: Start difference. First operand 9372 states and 33817 transitions. Second operand 10 states. [2018-12-03 15:18:22,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:18:22,656 INFO L93 Difference]: Finished difference Result 14342 states and 50333 transitions. [2018-12-03 15:18:22,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-03 15:18:22,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:18:22,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:18:22,688 INFO L225 Difference]: With dead ends: 14342 [2018-12-03 15:18:22,688 INFO L226 Difference]: Without dead ends: 14302 [2018-12-03 15:18:22,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2018-12-03 15:18:22,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14302 states. [2018-12-03 15:18:31,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14302 to 9222. [2018-12-03 15:18:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9222 states. [2018-12-03 15:18:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9222 states to 9222 states and 33277 transitions. [2018-12-03 15:18:31,988 INFO L78 Accepts]: Start accepts. Automaton has 9222 states and 33277 transitions. Word has length 12 [2018-12-03 15:18:31,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:18:31,989 INFO L480 AbstractCegarLoop]: Abstraction has 9222 states and 33277 transitions. [2018-12-03 15:18:31,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:18:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 9222 states and 33277 transitions. [2018-12-03 15:18:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:18:31,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:18:31,992 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:18:31,992 INFO L423 AbstractCegarLoop]: === Iteration 24 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:18:31,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:18:31,993 INFO L82 PathProgramCache]: Analyzing trace with hash -750152967, now seen corresponding path program 1 times [2018-12-03 15:18:31,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:18:31,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:18:31,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:18:31,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:18:31,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:18:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:18:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:18:32,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:18:32,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:18:32,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:18:32,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:18:32,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:18:32,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:18:32,182 INFO L87 Difference]: Start difference. First operand 9222 states and 33277 transitions. Second operand 10 states. [2018-12-03 15:19:23,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:19:23,770 INFO L93 Difference]: Finished difference Result 26367 states and 93702 transitions. [2018-12-03 15:19:23,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 15:19:23,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:19:23,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:19:23,834 INFO L225 Difference]: With dead ends: 26367 [2018-12-03 15:19:23,834 INFO L226 Difference]: Without dead ends: 26327 [2018-12-03 15:19:23,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=374, Invalid=1432, Unknown=0, NotChecked=0, Total=1806 [2018-12-03 15:19:23,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26327 states. [2018-12-03 15:19:39,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26327 to 14407. [2018-12-03 15:19:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14407 states. [2018-12-03 15:19:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14407 states to 14407 states and 52964 transitions. [2018-12-03 15:19:40,028 INFO L78 Accepts]: Start accepts. Automaton has 14407 states and 52964 transitions. Word has length 12 [2018-12-03 15:19:40,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:19:40,028 INFO L480 AbstractCegarLoop]: Abstraction has 14407 states and 52964 transitions. [2018-12-03 15:19:40,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:19:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 14407 states and 52964 transitions. [2018-12-03 15:19:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:19:40,031 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:19:40,031 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:19:40,032 INFO L423 AbstractCegarLoop]: === Iteration 25 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:19:40,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:19:40,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1246485079, now seen corresponding path program 1 times [2018-12-03 15:19:40,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:19:40,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:19:40,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:19:40,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:19:40,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:19:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:19:40,506 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-12-03 15:19:40,744 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-12-03 15:19:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:19:40,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:19:40,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:19:40,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:19:40,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:19:40,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:19:40,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:19:40,866 INFO L87 Difference]: Start difference. First operand 14407 states and 52964 transitions. Second operand 10 states. [2018-12-03 15:20:28,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 15:20:28,915 INFO L93 Difference]: Finished difference Result 22527 states and 80536 transitions. [2018-12-03 15:20:28,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-03 15:20:28,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 15:20:28,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 15:20:28,979 INFO L225 Difference]: With dead ends: 22527 [2018-12-03 15:20:28,979 INFO L226 Difference]: Without dead ends: 22487 [2018-12-03 15:20:28,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=217, Invalid=653, Unknown=0, NotChecked=0, Total=870 [2018-12-03 15:20:29,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22487 states. [2018-12-03 15:20:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22487 to 15137. [2018-12-03 15:20:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15137 states. [2018-12-03 15:20:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15137 states to 15137 states and 55780 transitions. [2018-12-03 15:20:46,644 INFO L78 Accepts]: Start accepts. Automaton has 15137 states and 55780 transitions. Word has length 12 [2018-12-03 15:20:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 15:20:46,644 INFO L480 AbstractCegarLoop]: Abstraction has 15137 states and 55780 transitions. [2018-12-03 15:20:46,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 15:20:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 15137 states and 55780 transitions. [2018-12-03 15:20:46,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 15:20:46,648 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 15:20:46,648 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 15:20:46,649 INFO L423 AbstractCegarLoop]: === Iteration 26 === [productErr88ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr106ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT]=== [2018-12-03 15:20:46,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 15:20:46,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1185771021, now seen corresponding path program 1 times [2018-12-03 15:20:46,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 15:20:46,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:20:46,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 15:20:46,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 15:20:46,650 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 15:20:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 15:20:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 15:20:46,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 15:20:46,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 15:20:46,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 15:20:46,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 15:20:46,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 15:20:46,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 15:20:46,845 INFO L87 Difference]: Start difference. First operand 15137 states and 55780 transitions. Second operand 10 states. [2018-12-03 15:20:57,856 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 14