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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out3_Reals.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 16:11:23,018 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 16:11:23,020 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 16:11:23,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 16:11:23,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 16:11:23,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 16:11:23,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 16:11:23,046 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 16:11:23,047 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 16:11:23,052 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 16:11:23,053 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 16:11:23,053 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 16:11:23,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 16:11:23,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 16:11:23,056 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 16:11:23,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 16:11:23,058 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 16:11:23,059 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 16:11:23,061 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 16:11:23,063 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 16:11:23,064 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 16:11:23,065 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 16:11:23,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 16:11:23,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 16:11:23,068 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 16:11:23,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 16:11:23,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 16:11:23,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 16:11:23,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 16:11:23,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 16:11:23,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 16:11:23,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 16:11:23,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 16:11:23,074 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 16:11:23,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 16:11:23,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 16:11:23,076 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2018-12-03 16:11:23,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 16:11:23,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 16:11:23,102 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 16:11:23,102 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 16:11:23,103 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 16:11:23,103 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 16:11:23,103 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 16:11:23,103 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 16:11:23,104 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 16:11:23,104 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 16:11:23,104 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 16:11:23,104 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 16:11:23,104 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 16:11:23,104 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 16:11:23,105 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 16:11:23,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 16:11:23,107 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 16:11:23,107 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 16:11:23,107 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 16:11:23,108 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 16:11:23,108 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 16:11:23,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 16:11:23,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 16:11:23,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 16:11:23,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 16:11:23,110 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 16:11:23,110 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 16:11:23,110 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 16:11:23,110 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 16:11:23,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 16:11:23,111 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 16:11:23,111 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 16:11:23,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 16:11:23,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 16:11:23,112 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 16:11:23,112 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 16:11:23,112 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 16:11:23,112 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 16:11:23,112 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 16:11:23,113 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 16:11:23,113 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 16:11:23,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 16:11:23,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 16:11:23,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 16:11:23,167 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 16:11:23,168 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 16:11:23,169 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3_Reals.bpl [2018-12-03 16:11:23,169 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3_Reals.bpl' [2018-12-03 16:11:23,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 16:11:23,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 16:11:23,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 16:11:23,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 16:11:23,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 16:11:23,385 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,439 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,459 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 16:11:23,460 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 16:11:23,460 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 16:11:23,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 16:11:23,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 16:11:23,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 16:11:23,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 16:11:23,480 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,481 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,490 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,490 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,534 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,565 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,573 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 04:11:23" (1/1) ... [2018-12-03 16:11:23,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 16:11:23,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 16:11:23,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 16:11:23,592 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 16:11:23,593 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 04:11:23" (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 16:11:23,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-12-03 16:11:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-12-03 16:11:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-12-03 16:11:27,888 INFO L272 CfgBuilder]: Using library mode [2018-12-03 16:11:27,888 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 16:11:27,889 INFO L202 PluginConnector]: Adding new model threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:11:27 BoogieIcfgContainer [2018-12-03 16:11:27,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 16:11:27,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 16:11:27,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 16:11:27,894 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 16:11:27,895 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 04:11:23" (1/2) ... [2018-12-03 16:11:27,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5c0c05 and model type threadpooling_out3_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:11:27, skipping insertion in model container [2018-12-03 16:11:27,896 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 04:11:27" (2/2) ... [2018-12-03 16:11:27,898 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out3_Reals.bpl [2018-12-03 16:11:27,908 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 16:11:27,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 147 error locations. [2018-12-03 16:11:27,937 INFO L257 AbstractCegarLoop]: Starting to check reachability of 147 error locations. [2018-12-03 16:11:28,001 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 16:11:28,001 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 16:11:28,001 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 16:11:28,001 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 16:11:28,004 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 16:11:28,004 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 16:11:28,005 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 16:11:28,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 16:11:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states. [2018-12-03 16:11:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 16:11:28,077 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:11:28,079 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:11:28,086 INFO L423 AbstractCegarLoop]: === Iteration 1 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:11:28,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:11:28,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1371044428, now seen corresponding path program 1 times [2018-12-03 16:11:28,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:11:28,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:28,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:11:28,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:28,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:11:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:11:28,435 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 16:11:28,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:11:28,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 16:11:28,439 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:11:28,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 16:11:28,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 16:11:28,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 16:11:28,460 INFO L87 Difference]: Start difference. First operand 491 states. Second operand 6 states. [2018-12-03 16:11:28,927 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-03 16:11:36,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:11:36,589 INFO L93 Difference]: Finished difference Result 891 states and 2674 transitions. [2018-12-03 16:11:36,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 16:11:36,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2018-12-03 16:11:36,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:11:36,622 INFO L225 Difference]: With dead ends: 891 [2018-12-03 16:11:36,622 INFO L226 Difference]: Without dead ends: 866 [2018-12-03 16:11:36,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 16:11:36,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-12-03 16:11:36,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 666. [2018-12-03 16:11:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2018-12-03 16:11:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 1944 transitions. [2018-12-03 16:11:36,777 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 1944 transitions. Word has length 7 [2018-12-03 16:11:36,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:11:36,779 INFO L480 AbstractCegarLoop]: Abstraction has 666 states and 1944 transitions. [2018-12-03 16:11:36,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 16:11:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1944 transitions. [2018-12-03 16:11:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 16:11:36,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:11:36,781 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:11:36,785 INFO L423 AbstractCegarLoop]: === Iteration 2 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:11:36,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:11:36,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1357159216, now seen corresponding path program 1 times [2018-12-03 16:11:36,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:11:36,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:36,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:11:36,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:36,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:11:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:11:36,935 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 16:11:36,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:11:36,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 16:11:36,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:11:36,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 16:11:36,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 16:11:36,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 16:11:36,941 INFO L87 Difference]: Start difference. First operand 666 states and 1944 transitions. Second operand 6 states. [2018-12-03 16:11:42,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:11:42,503 INFO L93 Difference]: Finished difference Result 1066 states and 3294 transitions. [2018-12-03 16:11:42,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 16:11:42,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2018-12-03 16:11:42,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:11:42,514 INFO L225 Difference]: With dead ends: 1066 [2018-12-03 16:11:42,514 INFO L226 Difference]: Without dead ends: 1041 [2018-12-03 16:11:42,516 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 16:11:42,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2018-12-03 16:11:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 966. [2018-12-03 16:11:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2018-12-03 16:11:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 3014 transitions. [2018-12-03 16:11:42,612 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 3014 transitions. Word has length 7 [2018-12-03 16:11:42,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:11:42,613 INFO L480 AbstractCegarLoop]: Abstraction has 966 states and 3014 transitions. [2018-12-03 16:11:42,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 16:11:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 3014 transitions. [2018-12-03 16:11:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 16:11:42,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:11:42,615 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:11:42,618 INFO L423 AbstractCegarLoop]: === Iteration 3 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:11:42,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:11:42,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1986414648, now seen corresponding path program 1 times [2018-12-03 16:11:42,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:11:42,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:42,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:11:42,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:42,621 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:11:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:11:42,747 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 16:11:42,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:11:42,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 16:11:42,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:11:42,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 16:11:42,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 16:11:42,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 16:11:42,750 INFO L87 Difference]: Start difference. First operand 966 states and 3014 transitions. Second operand 6 states. [2018-12-03 16:11:46,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:11:46,548 INFO L93 Difference]: Finished difference Result 1241 states and 3914 transitions. [2018-12-03 16:11:46,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 16:11:46,549 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2018-12-03 16:11:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:11:46,561 INFO L225 Difference]: With dead ends: 1241 [2018-12-03 16:11:46,561 INFO L226 Difference]: Without dead ends: 1216 [2018-12-03 16:11:46,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 16:11:46,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2018-12-03 16:11:46,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1141. [2018-12-03 16:11:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1141 states. [2018-12-03 16:11:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 3634 transitions. [2018-12-03 16:11:46,745 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 3634 transitions. Word has length 7 [2018-12-03 16:11:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:11:46,745 INFO L480 AbstractCegarLoop]: Abstraction has 1141 states and 3634 transitions. [2018-12-03 16:11:46,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 16:11:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 3634 transitions. [2018-12-03 16:11:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:11:46,758 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:11:46,758 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:11:46,766 INFO L423 AbstractCegarLoop]: === Iteration 4 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:11:46,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:11:46,767 INFO L82 PathProgramCache]: Analyzing trace with hash -982469104, now seen corresponding path program 1 times [2018-12-03 16:11:46,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:11:46,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:46,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:11:46,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:11:46,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:11:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:11:47,202 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 16:11:47,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:11:47,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:11:47,203 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:11:47,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:11:47,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:11:47,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:11:47,205 INFO L87 Difference]: Start difference. First operand 1141 states and 3634 transitions. Second operand 10 states. [2018-12-03 16:12:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:12:08,000 INFO L93 Difference]: Finished difference Result 6841 states and 22916 transitions. [2018-12-03 16:12:08,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-12-03 16:12:08,001 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:12:08,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:12:08,054 INFO L225 Difference]: With dead ends: 6841 [2018-12-03 16:12:08,055 INFO L226 Difference]: Without dead ends: 6771 [2018-12-03 16:12:08,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2018-12-03 16:12:08,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6771 states. [2018-12-03 16:12:08,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6771 to 2196. [2018-12-03 16:12:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2196 states. [2018-12-03 16:12:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 7575 transitions. [2018-12-03 16:12:08,549 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 7575 transitions. Word has length 12 [2018-12-03 16:12:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:12:08,550 INFO L480 AbstractCegarLoop]: Abstraction has 2196 states and 7575 transitions. [2018-12-03 16:12:08,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:12:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 7575 transitions. [2018-12-03 16:12:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:12:08,553 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:12:08,553 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:12:08,556 INFO L423 AbstractCegarLoop]: === Iteration 5 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:12:08,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:12:08,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1043183162, now seen corresponding path program 1 times [2018-12-03 16:12:08,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:12:08,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:12:08,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:12:08,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:12:08,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:12:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:12:08,722 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 16:12:08,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:12:08,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:12:08,723 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:12:08,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:12:08,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:12:08,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:12:08,725 INFO L87 Difference]: Start difference. First operand 2196 states and 7575 transitions. Second operand 10 states. [2018-12-03 16:12:27,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:12:27,413 INFO L93 Difference]: Finished difference Result 6911 states and 23153 transitions. [2018-12-03 16:12:27,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-03 16:12:27,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:12:27,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:12:27,464 INFO L225 Difference]: With dead ends: 6911 [2018-12-03 16:12:27,464 INFO L226 Difference]: Without dead ends: 6871 [2018-12-03 16:12:27,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=756, Unknown=0, NotChecked=0, Total=992 [2018-12-03 16:12:27,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2018-12-03 16:12:27,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 2281. [2018-12-03 16:12:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2281 states. [2018-12-03 16:12:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 7882 transitions. [2018-12-03 16:12:27,920 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 7882 transitions. Word has length 12 [2018-12-03 16:12:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:12:27,920 INFO L480 AbstractCegarLoop]: Abstraction has 2281 states and 7882 transitions. [2018-12-03 16:12:27,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:12:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 7882 transitions. [2018-12-03 16:12:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:12:27,923 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:12:27,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:12:27,925 INFO L423 AbstractCegarLoop]: === Iteration 6 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:12:27,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:12:27,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1043025496, now seen corresponding path program 1 times [2018-12-03 16:12:27,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:12:27,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:12:27,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:12:27,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:12:27,927 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:12:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:12:28,060 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 16:12:28,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:12:28,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:12:28,061 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:12:28,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:12:28,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:12:28,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:12:28,062 INFO L87 Difference]: Start difference. First operand 2281 states and 7882 transitions. Second operand 10 states. [2018-12-03 16:12:45,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:12:45,919 INFO L93 Difference]: Finished difference Result 5781 states and 19210 transitions. [2018-12-03 16:12:45,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-03 16:12:45,919 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:12:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:12:45,944 INFO L225 Difference]: With dead ends: 5781 [2018-12-03 16:12:45,944 INFO L226 Difference]: Without dead ends: 5741 [2018-12-03 16:12:45,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-12-03 16:12:45,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5741 states. [2018-12-03 16:12:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5741 to 2361. [2018-12-03 16:12:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2361 states. [2018-12-03 16:12:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 8163 transitions. [2018-12-03 16:12:46,428 INFO L78 Accepts]: Start accepts. Automaton has 2361 states and 8163 transitions. Word has length 12 [2018-12-03 16:12:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:12:46,428 INFO L480 AbstractCegarLoop]: Abstraction has 2361 states and 8163 transitions. [2018-12-03 16:12:46,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:12:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 8163 transitions. [2018-12-03 16:12:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:12:46,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:12:46,431 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:12:46,432 INFO L423 AbstractCegarLoop]: === Iteration 7 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:12:46,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:12:46,432 INFO L82 PathProgramCache]: Analyzing trace with hash -888955155, now seen corresponding path program 1 times [2018-12-03 16:12:46,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:12:46,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:12:46,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:12:46,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:12:46,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:12:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:12:46,574 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 16:12:46,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:12:46,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:12:46,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:12:46,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:12:46,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:12:46,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:12:46,576 INFO L87 Difference]: Start difference. First operand 2361 states and 8163 transitions. Second operand 10 states. [2018-12-03 16:13:09,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:13:09,915 INFO L93 Difference]: Finished difference Result 8281 states and 27814 transitions. [2018-12-03 16:13:09,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-03 16:13:09,920 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:13:09,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:13:09,949 INFO L225 Difference]: With dead ends: 8281 [2018-12-03 16:13:09,949 INFO L226 Difference]: Without dead ends: 8241 [2018-12-03 16:13:09,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=395, Invalid=1411, Unknown=0, NotChecked=0, Total=1806 [2018-12-03 16:13:09,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8241 states. [2018-12-03 16:13:10,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8241 to 2621. [2018-12-03 16:13:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2621 states. [2018-12-03 16:13:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 9185 transitions. [2018-12-03 16:13:10,748 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 9185 transitions. Word has length 12 [2018-12-03 16:13:10,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:13:10,749 INFO L480 AbstractCegarLoop]: Abstraction has 2621 states and 9185 transitions. [2018-12-03 16:13:10,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:13:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 9185 transitions. [2018-12-03 16:13:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:13:10,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:13:10,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:13:10,752 INFO L423 AbstractCegarLoop]: === Iteration 8 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:13:10,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:13:10,752 INFO L82 PathProgramCache]: Analyzing trace with hash -888797489, now seen corresponding path program 1 times [2018-12-03 16:13:10,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:13:10,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:13:10,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:13:10,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:13:10,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:13:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:13:10,870 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 16:13:10,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:13:10,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:13:10,870 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:13:10,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:13:10,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:13:10,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:13:10,872 INFO L87 Difference]: Start difference. First operand 2621 states and 9185 transitions. Second operand 10 states. [2018-12-03 16:13:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:13:34,234 INFO L93 Difference]: Finished difference Result 7096 states and 23619 transitions. [2018-12-03 16:13:34,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-03 16:13:34,235 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:13:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:13:34,252 INFO L225 Difference]: With dead ends: 7096 [2018-12-03 16:13:34,252 INFO L226 Difference]: Without dead ends: 7056 [2018-12-03 16:13:34,255 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 16:13:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7056 states. [2018-12-03 16:13:34,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7056 to 2541. [2018-12-03 16:13:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2541 states. [2018-12-03 16:13:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2541 states and 8894 transitions. [2018-12-03 16:13:34,908 INFO L78 Accepts]: Start accepts. Automaton has 2541 states and 8894 transitions. Word has length 12 [2018-12-03 16:13:34,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:13:34,908 INFO L480 AbstractCegarLoop]: Abstraction has 2541 states and 8894 transitions. [2018-12-03 16:13:34,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:13:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 8894 transitions. [2018-12-03 16:13:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:13:34,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:13:34,910 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:13:34,911 INFO L423 AbstractCegarLoop]: === Iteration 9 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:13:34,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:13:34,911 INFO L82 PathProgramCache]: Analyzing trace with hash -848105866, now seen corresponding path program 1 times [2018-12-03 16:13:34,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:13:34,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:13:34,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:13:34,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:13:34,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:13:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:13:35,025 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 16:13:35,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:13:35,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:13:35,026 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:13:35,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:13:35,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:13:35,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:13:35,028 INFO L87 Difference]: Start difference. First operand 2541 states and 8894 transitions. Second operand 10 states. [2018-12-03 16:13:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:13:57,169 INFO L93 Difference]: Finished difference Result 7001 states and 23688 transitions. [2018-12-03 16:13:57,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-03 16:13:57,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:13:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:13:57,192 INFO L225 Difference]: With dead ends: 7001 [2018-12-03 16:13:57,192 INFO L226 Difference]: Without dead ends: 6961 [2018-12-03 16:13:57,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2018-12-03 16:13:57,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6961 states. [2018-12-03 16:13:58,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6961 to 2746. [2018-12-03 16:13:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2746 states. [2018-12-03 16:13:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 9675 transitions. [2018-12-03 16:13:58,128 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 9675 transitions. Word has length 12 [2018-12-03 16:13:58,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:13:58,128 INFO L480 AbstractCegarLoop]: Abstraction has 2746 states and 9675 transitions. [2018-12-03 16:13:58,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:13:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 9675 transitions. [2018-12-03 16:13:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:13:58,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:13:58,131 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:13:58,132 INFO L423 AbstractCegarLoop]: === Iteration 10 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:13:58,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:13:58,132 INFO L82 PathProgramCache]: Analyzing trace with hash -185713946, now seen corresponding path program 1 times [2018-12-03 16:13:58,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:13:58,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:13:58,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:13:58,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:13:58,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:13:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:13:58,269 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 16:13:58,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:13:58,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:13:58,270 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:13:58,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:13:58,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:13:58,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:13:58,272 INFO L87 Difference]: Start difference. First operand 2746 states and 9675 transitions. Second operand 10 states. [2018-12-03 16:14:24,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:14:24,629 INFO L93 Difference]: Finished difference Result 8481 states and 28844 transitions. [2018-12-03 16:14:24,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 16:14:24,629 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:14:24,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:14:24,649 INFO L225 Difference]: With dead ends: 8481 [2018-12-03 16:14:24,649 INFO L226 Difference]: Without dead ends: 8441 [2018-12-03 16:14:24,653 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 16:14:24,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2018-12-03 16:14:25,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 3016. [2018-12-03 16:14:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3016 states. [2018-12-03 16:14:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 10734 transitions. [2018-12-03 16:14:25,640 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 10734 transitions. Word has length 12 [2018-12-03 16:14:25,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:14:25,640 INFO L480 AbstractCegarLoop]: Abstraction has 3016 states and 10734 transitions. [2018-12-03 16:14:25,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:14:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 10734 transitions. [2018-12-03 16:14:25,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:14:25,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:14:25,642 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:14:25,643 INFO L423 AbstractCegarLoop]: === Iteration 11 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:14:25,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:14:25,644 INFO L82 PathProgramCache]: Analyzing trace with hash -185556280, now seen corresponding path program 1 times [2018-12-03 16:14:25,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:14:25,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:14:25,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:14:25,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:14:25,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:14:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:14:25,759 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 16:14:25,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:14:25,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:14:25,760 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:14:25,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:14:25,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:14:25,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:14:25,761 INFO L87 Difference]: Start difference. First operand 3016 states and 10734 transitions. Second operand 10 states. [2018-12-03 16:14:52,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:14:52,330 INFO L93 Difference]: Finished difference Result 7486 states and 25342 transitions. [2018-12-03 16:14:52,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-03 16:14:52,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:14:52,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:14:52,347 INFO L225 Difference]: With dead ends: 7486 [2018-12-03 16:14:52,348 INFO L226 Difference]: Without dead ends: 7446 [2018-12-03 16:14:52,350 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 16:14:52,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2018-12-03 16:14:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3021. [2018-12-03 16:14:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3021 states. [2018-12-03 16:14:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 3021 states and 10750 transitions. [2018-12-03 16:14:53,713 INFO L78 Accepts]: Start accepts. Automaton has 3021 states and 10750 transitions. Word has length 12 [2018-12-03 16:14:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:14:53,713 INFO L480 AbstractCegarLoop]: Abstraction has 3021 states and 10750 transitions. [2018-12-03 16:14:53,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:14:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 10750 transitions. [2018-12-03 16:14:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:14:53,716 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:14:53,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:14:53,717 INFO L423 AbstractCegarLoop]: === Iteration 12 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:14:53,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:14:53,717 INFO L82 PathProgramCache]: Analyzing trace with hash -144864657, now seen corresponding path program 1 times [2018-12-03 16:14:53,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:14:53,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:14:53,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:14:53,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:14:53,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:14:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:14:53,856 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 16:14:53,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:14:53,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:14:53,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:14:53,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:14:53,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:14:53,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:14:53,858 INFO L87 Difference]: Start difference. First operand 3021 states and 10750 transitions. Second operand 10 states. [2018-12-03 16:15:21,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:15:21,321 INFO L93 Difference]: Finished difference Result 7821 states and 26709 transitions. [2018-12-03 16:15:21,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-03 16:15:21,321 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:15:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:15:21,339 INFO L225 Difference]: With dead ends: 7821 [2018-12-03 16:15:21,339 INFO L226 Difference]: Without dead ends: 7781 [2018-12-03 16:15:21,342 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 16:15:21,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7781 states. [2018-12-03 16:15:22,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7781 to 2831. [2018-12-03 16:15:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2018-12-03 16:15:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 9987 transitions. [2018-12-03 16:15:22,634 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 9987 transitions. Word has length 12 [2018-12-03 16:15:22,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:15:22,635 INFO L480 AbstractCegarLoop]: Abstraction has 2831 states and 9987 transitions. [2018-12-03 16:15:22,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:15:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 9987 transitions. [2018-12-03 16:15:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:15:22,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:15:22,637 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:15:22,639 INFO L423 AbstractCegarLoop]: === Iteration 13 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:15:22,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:15:22,639 INFO L82 PathProgramCache]: Analyzing trace with hash 357292439, now seen corresponding path program 1 times [2018-12-03 16:15:22,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:15:22,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:15:22,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:15:22,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:15:22,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:15:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:15:22,776 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 16:15:22,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:15:22,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:15:22,776 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:15:22,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:15:22,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:15:22,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:15:22,777 INFO L87 Difference]: Start difference. First operand 2831 states and 9987 transitions. Second operand 10 states. [2018-12-03 16:15:47,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:15:47,123 INFO L93 Difference]: Finished difference Result 7221 states and 24613 transitions. [2018-12-03 16:15:47,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-03 16:15:47,123 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:15:47,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:15:47,139 INFO L225 Difference]: With dead ends: 7221 [2018-12-03 16:15:47,139 INFO L226 Difference]: Without dead ends: 7181 [2018-12-03 16:15:47,141 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 16:15:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7181 states. [2018-12-03 16:15:48,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7181 to 2796. [2018-12-03 16:15:48,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2018-12-03 16:15:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 9820 transitions. [2018-12-03 16:15:48,444 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 9820 transitions. Word has length 12 [2018-12-03 16:15:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:15:48,444 INFO L480 AbstractCegarLoop]: Abstraction has 2796 states and 9820 transitions. [2018-12-03 16:15:48,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:15:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 9820 transitions. [2018-12-03 16:15:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:15:48,446 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:15:48,446 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:15:48,447 INFO L423 AbstractCegarLoop]: === Iteration 14 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:15:48,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:15:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash 237326180, now seen corresponding path program 1 times [2018-12-03 16:15:48,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:15:48,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:15:48,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:15:48,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:15:48,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:15:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:15:48,593 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 16:15:48,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:15:48,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:15:48,594 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:15:48,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:15:48,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:15:48,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:15:48,595 INFO L87 Difference]: Start difference. First operand 2796 states and 9820 transitions. Second operand 10 states. [2018-12-03 16:16:17,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:16:17,059 INFO L93 Difference]: Finished difference Result 11586 states and 40124 transitions. [2018-12-03 16:16:17,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-03 16:16:17,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:16:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:16:17,082 INFO L225 Difference]: With dead ends: 11586 [2018-12-03 16:16:17,082 INFO L226 Difference]: Without dead ends: 8791 [2018-12-03 16:16:17,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=337, Invalid=1303, Unknown=0, NotChecked=0, Total=1640 [2018-12-03 16:16:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8791 states. [2018-12-03 16:16:19,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8791 to 3781. [2018-12-03 16:16:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3781 states. [2018-12-03 16:16:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3781 states and 13482 transitions. [2018-12-03 16:16:19,471 INFO L78 Accepts]: Start accepts. Automaton has 3781 states and 13482 transitions. Word has length 12 [2018-12-03 16:16:19,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:16:19,471 INFO L480 AbstractCegarLoop]: Abstraction has 3781 states and 13482 transitions. [2018-12-03 16:16:19,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:16:19,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3781 states and 13482 transitions. [2018-12-03 16:16:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:16:19,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:16:19,474 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:16:19,474 INFO L423 AbstractCegarLoop]: === Iteration 15 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:16:19,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:16:19,475 INFO L82 PathProgramCache]: Analyzing trace with hash 548552757, now seen corresponding path program 1 times [2018-12-03 16:16:19,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:16:19,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:16:19,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:16:19,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:16:19,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:16:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:16:19,611 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 16:16:19,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:16:19,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:16:19,612 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:16:19,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:16:19,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:16:19,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:16:19,613 INFO L87 Difference]: Start difference. First operand 3781 states and 13482 transitions. Second operand 10 states. [2018-12-03 16:16:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:16:53,390 INFO L93 Difference]: Finished difference Result 11961 states and 40927 transitions. [2018-12-03 16:16:53,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 16:16:53,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:16:53,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:16:53,415 INFO L225 Difference]: With dead ends: 11961 [2018-12-03 16:16:53,415 INFO L226 Difference]: Without dead ends: 11891 [2018-12-03 16:16:53,418 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 16:16:53,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11891 states. [2018-12-03 16:16:56,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11891 to 4163. [2018-12-03 16:16:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4163 states. [2018-12-03 16:16:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 4163 states and 14981 transitions. [2018-12-03 16:16:56,270 INFO L78 Accepts]: Start accepts. Automaton has 4163 states and 14981 transitions. Word has length 12 [2018-12-03 16:16:56,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:16:56,270 INFO L480 AbstractCegarLoop]: Abstraction has 4163 states and 14981 transitions. [2018-12-03 16:16:56,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:16:56,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 14981 transitions. [2018-12-03 16:16:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:16:56,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:16:56,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:16:56,273 INFO L423 AbstractCegarLoop]: === Iteration 16 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:16:56,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:16:56,273 INFO L82 PathProgramCache]: Analyzing trace with hash 487838699, now seen corresponding path program 1 times [2018-12-03 16:16:56,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:16:56,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:16:56,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:16:56,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:16:56,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:16:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:16:56,375 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 16:16:56,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:16:56,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:16:56,376 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:16:56,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:16:56,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:16:56,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:16:56,378 INFO L87 Difference]: Start difference. First operand 4163 states and 14981 transitions. Second operand 10 states. [2018-12-03 16:17:26,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:17:26,950 INFO L93 Difference]: Finished difference Result 11156 states and 38386 transitions. [2018-12-03 16:17:26,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-03 16:17:26,950 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:17:26,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:17:26,982 INFO L225 Difference]: With dead ends: 11156 [2018-12-03 16:17:26,982 INFO L226 Difference]: Without dead ends: 11116 [2018-12-03 16:17:26,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=248, Invalid=682, Unknown=0, NotChecked=0, Total=930 [2018-12-03 16:17:26,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2018-12-03 16:17:30,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 4169. [2018-12-03 16:17:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4169 states. [2018-12-03 16:17:30,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 15008 transitions. [2018-12-03 16:17:30,137 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 15008 transitions. Word has length 12 [2018-12-03 16:17:30,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:17:30,137 INFO L480 AbstractCegarLoop]: Abstraction has 4169 states and 15008 transitions. [2018-12-03 16:17:30,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:17:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 15008 transitions. [2018-12-03 16:17:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:17:30,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:17:30,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:17:30,140 INFO L423 AbstractCegarLoop]: === Iteration 17 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:17:30,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:17:30,140 INFO L82 PathProgramCache]: Analyzing trace with hash 487996365, now seen corresponding path program 1 times [2018-12-03 16:17:30,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:17:30,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:17:30,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:17:30,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:17:30,141 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:17:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:17:30,241 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 16:17:30,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:17:30,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:17:30,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:17:30,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:17:30,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:17:30,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:17:30,243 INFO L87 Difference]: Start difference. First operand 4169 states and 15008 transitions. Second operand 10 states. [2018-12-03 16:17:59,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:17:59,294 INFO L93 Difference]: Finished difference Result 9276 states and 31708 transitions. [2018-12-03 16:17:59,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 16:17:59,295 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:17:59,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:17:59,317 INFO L225 Difference]: With dead ends: 9276 [2018-12-03 16:17:59,317 INFO L226 Difference]: Without dead ends: 9236 [2018-12-03 16:17:59,320 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 16:17:59,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9236 states. [2018-12-03 16:18:02,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9236 to 4257. [2018-12-03 16:18:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4257 states. [2018-12-03 16:18:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 4257 states and 15328 transitions. [2018-12-03 16:18:02,633 INFO L78 Accepts]: Start accepts. Automaton has 4257 states and 15328 transitions. Word has length 12 [2018-12-03 16:18:02,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:18:02,633 INFO L480 AbstractCegarLoop]: Abstraction has 4257 states and 15328 transitions. [2018-12-03 16:18:02,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:18:02,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4257 states and 15328 transitions. [2018-12-03 16:18:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:18:02,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:18:02,636 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:18:02,636 INFO L423 AbstractCegarLoop]: === Iteration 18 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:18:02,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:18:02,637 INFO L82 PathProgramCache]: Analyzing trace with hash 981738642, now seen corresponding path program 1 times [2018-12-03 16:18:02,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:18:02,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:18:02,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:18:02,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:18:02,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:18:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:18:03,131 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 16:18:03,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:18:03,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:18:03,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:18:03,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:18:03,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:18:03,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:18:03,133 INFO L87 Difference]: Start difference. First operand 4257 states and 15328 transitions. Second operand 10 states. [2018-12-03 16:18:03,469 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-12-03 16:18:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:18:33,548 INFO L93 Difference]: Finished difference Result 12537 states and 44290 transitions. [2018-12-03 16:18:33,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-03 16:18:33,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:18:33,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:18:33,575 INFO L225 Difference]: With dead ends: 12537 [2018-12-03 16:18:33,575 INFO L226 Difference]: Without dead ends: 12393 [2018-12-03 16:18:33,579 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 16:18:33,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12393 states. [2018-12-03 16:18:40,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12393 to 7732. [2018-12-03 16:18:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7732 states. [2018-12-03 16:18:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7732 states to 7732 states and 28314 transitions. [2018-12-03 16:18:40,297 INFO L78 Accepts]: Start accepts. Automaton has 7732 states and 28314 transitions. Word has length 12 [2018-12-03 16:18:40,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:18:40,297 INFO L480 AbstractCegarLoop]: Abstraction has 7732 states and 28314 transitions. [2018-12-03 16:18:40,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:18:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7732 states and 28314 transitions. [2018-12-03 16:18:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:18:40,300 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:18:40,300 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:18:40,301 INFO L423 AbstractCegarLoop]: === Iteration 19 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:18:40,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:18:40,301 INFO L82 PathProgramCache]: Analyzing trace with hash 981902012, now seen corresponding path program 1 times [2018-12-03 16:18:40,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:18:40,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:18:40,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:18:40,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:18:40,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:18:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:18:40,616 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2018-12-03 16:18:40,688 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 16:18:40,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:18:40,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:18:40,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:18:40,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:18:40,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:18:40,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:18:40,690 INFO L87 Difference]: Start difference. First operand 7732 states and 28314 transitions. Second operand 10 states. [2018-12-03 16:19:10,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:19:10,992 INFO L93 Difference]: Finished difference Result 12157 states and 42625 transitions. [2018-12-03 16:19:10,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 16:19:10,993 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:19:10,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:19:11,022 INFO L225 Difference]: With dead ends: 12157 [2018-12-03 16:19:11,022 INFO L226 Difference]: Without dead ends: 12117 [2018-12-03 16:19:11,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2018-12-03 16:19:11,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12117 states. [2018-12-03 16:19:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12117 to 7882. [2018-12-03 16:19:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7882 states. [2018-12-03 16:19:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 28854 transitions. [2018-12-03 16:19:18,046 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 28854 transitions. Word has length 12 [2018-12-03 16:19:18,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:19:18,047 INFO L480 AbstractCegarLoop]: Abstraction has 7882 states and 28854 transitions. [2018-12-03 16:19:18,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:19:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 28854 transitions. [2018-12-03 16:19:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:19:18,049 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:19:18,049 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:19:18,050 INFO L423 AbstractCegarLoop]: === Iteration 20 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:19:18,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:19:18,050 INFO L82 PathProgramCache]: Analyzing trace with hash 981896308, now seen corresponding path program 1 times [2018-12-03 16:19:18,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:19:18,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:19:18,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:19:18,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:19:18,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:19:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:19:18,252 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 16:19:18,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:19:18,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:19:18,253 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:19:18,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:19:18,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:19:18,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:19:18,254 INFO L87 Difference]: Start difference. First operand 7882 states and 28854 transitions. Second operand 10 states. [2018-12-03 16:19:52,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:19:52,847 INFO L93 Difference]: Finished difference Result 13352 states and 47128 transitions. [2018-12-03 16:19:52,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-03 16:19:52,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:19:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:19:52,878 INFO L225 Difference]: With dead ends: 13352 [2018-12-03 16:19:52,878 INFO L226 Difference]: Without dead ends: 13312 [2018-12-03 16:19:52,882 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 16:19:52,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13312 states. [2018-12-03 16:20:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13312 to 8207. [2018-12-03 16:20:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8207 states. [2018-12-03 16:20:00,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8207 states to 8207 states and 30159 transitions. [2018-12-03 16:20:00,348 INFO L78 Accepts]: Start accepts. Automaton has 8207 states and 30159 transitions. Word has length 12 [2018-12-03 16:20:00,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:20:00,349 INFO L480 AbstractCegarLoop]: Abstraction has 8207 states and 30159 transitions. [2018-12-03 16:20:00,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:20:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8207 states and 30159 transitions. [2018-12-03 16:20:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:20:00,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:20:00,351 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:20:00,352 INFO L423 AbstractCegarLoop]: === Iteration 21 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:20:00,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:20:00,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1524745027, now seen corresponding path program 1 times [2018-12-03 16:20:00,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:20:00,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:20:00,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:20:00,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:20:00,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:20:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:20:00,563 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 16:20:00,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:20:00,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:20:00,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:20:00,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:20:00,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:20:00,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:20:00,565 INFO L87 Difference]: Start difference. First operand 8207 states and 30159 transitions. Second operand 10 states. [2018-12-03 16:20:37,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:20:37,828 INFO L93 Difference]: Finished difference Result 24178 states and 88004 transitions. [2018-12-03 16:20:37,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-03 16:20:37,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:20:37,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:20:37,868 INFO L225 Difference]: With dead ends: 24178 [2018-12-03 16:20:37,868 INFO L226 Difference]: Without dead ends: 15972 [2018-12-03 16:20:37,881 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 16:20:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15972 states. [2018-12-03 16:20:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15972 to 9382. [2018-12-03 16:20:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9382 states. [2018-12-03 16:20:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9382 states to 9382 states and 33834 transitions. [2018-12-03 16:20:46,887 INFO L78 Accepts]: Start accepts. Automaton has 9382 states and 33834 transitions. Word has length 12 [2018-12-03 16:20:46,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:20:46,888 INFO L480 AbstractCegarLoop]: Abstraction has 9382 states and 33834 transitions. [2018-12-03 16:20:46,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:20:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 9382 states and 33834 transitions. [2018-12-03 16:20:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:20:46,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:20:46,890 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:20:46,891 INFO L423 AbstractCegarLoop]: === Iteration 22 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:20:46,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:20:46,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1533720705, now seen corresponding path program 1 times [2018-12-03 16:20:46,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:20:46,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:20:46,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:20:46,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:20:46,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:20:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:20:47,176 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 16:20:47,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:20:47,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:20:47,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:20:47,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:20:47,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:20:47,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:20:47,178 INFO L87 Difference]: Start difference. First operand 9382 states and 33834 transitions. Second operand 10 states. [2018-12-03 16:21:16,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:21:16,488 INFO L93 Difference]: Finished difference Result 13252 states and 46345 transitions. [2018-12-03 16:21:16,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 16:21:16,488 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:21:16,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:21:16,519 INFO L225 Difference]: With dead ends: 13252 [2018-12-03 16:21:16,520 INFO L226 Difference]: Without dead ends: 13212 [2018-12-03 16:21:16,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2018-12-03 16:21:16,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13212 states. [2018-12-03 16:21:25,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13212 to 9372. [2018-12-03 16:21:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9372 states. [2018-12-03 16:21:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 33817 transitions. [2018-12-03 16:21:25,743 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 33817 transitions. Word has length 12 [2018-12-03 16:21:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:21:25,743 INFO L480 AbstractCegarLoop]: Abstraction has 9372 states and 33817 transitions. [2018-12-03 16:21:25,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:21:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 33817 transitions. [2018-12-03 16:21:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:21:25,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:21:25,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:21:25,746 INFO L423 AbstractCegarLoop]: === Iteration 23 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:21:25,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:21:25,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1533715001, now seen corresponding path program 1 times [2018-12-03 16:21:25,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:21:25,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:21:25,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:21:25,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:21:25,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:21:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:21:25,897 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 16:21:25,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:21:25,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:21:25,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:21:25,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:21:25,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:21:25,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:21:25,899 INFO L87 Difference]: Start difference. First operand 9372 states and 33817 transitions. Second operand 10 states. [2018-12-03 16:21:59,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:21:59,699 INFO L93 Difference]: Finished difference Result 14342 states and 50333 transitions. [2018-12-03 16:21:59,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-03 16:21:59,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:21:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:21:59,734 INFO L225 Difference]: With dead ends: 14342 [2018-12-03 16:21:59,734 INFO L226 Difference]: Without dead ends: 14302 [2018-12-03 16:21:59,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=194, Invalid=676, Unknown=0, NotChecked=0, Total=870 [2018-12-03 16:21:59,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14302 states. [2018-12-03 16:22:09,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14302 to 9222. [2018-12-03 16:22:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9222 states. [2018-12-03 16:22:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9222 states to 9222 states and 33277 transitions. [2018-12-03 16:22:09,125 INFO L78 Accepts]: Start accepts. Automaton has 9222 states and 33277 transitions. Word has length 12 [2018-12-03 16:22:09,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:22:09,125 INFO L480 AbstractCegarLoop]: Abstraction has 9222 states and 33277 transitions. [2018-12-03 16:22:09,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:22:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 9222 states and 33277 transitions. [2018-12-03 16:22:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:22:09,128 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:22:09,128 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:22:09,129 INFO L423 AbstractCegarLoop]: === Iteration 24 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:22:09,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:22:09,129 INFO L82 PathProgramCache]: Analyzing trace with hash -750152967, now seen corresponding path program 1 times [2018-12-03 16:22:09,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:22:09,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:22:09,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:22:09,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:22:09,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:22:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:22:09,286 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 16:22:09,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:22:09,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:22:09,287 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:22:09,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:22:09,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:22:09,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:22:09,288 INFO L87 Difference]: Start difference. First operand 9222 states and 33277 transitions. Second operand 10 states. [2018-12-03 16:23:00,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:23:00,855 INFO L93 Difference]: Finished difference Result 26367 states and 93702 transitions. [2018-12-03 16:23:00,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 16:23:00,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:23:00,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:23:00,923 INFO L225 Difference]: With dead ends: 26367 [2018-12-03 16:23:00,924 INFO L226 Difference]: Without dead ends: 26327 [2018-12-03 16:23:00,931 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 16:23:00,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26327 states. [2018-12-03 16:23:16,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26327 to 14407. [2018-12-03 16:23:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14407 states. [2018-12-03 16:23:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14407 states to 14407 states and 52964 transitions. [2018-12-03 16:23:16,939 INFO L78 Accepts]: Start accepts. Automaton has 14407 states and 52964 transitions. Word has length 12 [2018-12-03 16:23:16,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:23:16,940 INFO L480 AbstractCegarLoop]: Abstraction has 14407 states and 52964 transitions. [2018-12-03 16:23:16,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:23:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14407 states and 52964 transitions. [2018-12-03 16:23:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:23:16,943 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:23:16,943 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:23:16,944 INFO L423 AbstractCegarLoop]: === Iteration 25 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:23:16,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:23:16,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1246485079, now seen corresponding path program 1 times [2018-12-03 16:23:16,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:23:16,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:23:16,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:23:16,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:23:16,946 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:23:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:23:17,409 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-12-03 16:23:17,596 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-12-03 16:23:17,716 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 16:23:17,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:23:17,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:23:17,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:23:17,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:23:17,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:23:17,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:23:17,717 INFO L87 Difference]: Start difference. First operand 14407 states and 52964 transitions. Second operand 10 states. [2018-12-03 16:24:05,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 16:24:05,410 INFO L93 Difference]: Finished difference Result 22527 states and 80536 transitions. [2018-12-03 16:24:05,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-03 16:24:05,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2018-12-03 16:24:05,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 16:24:05,472 INFO L225 Difference]: With dead ends: 22527 [2018-12-03 16:24:05,472 INFO L226 Difference]: Without dead ends: 22487 [2018-12-03 16:24:05,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=217, Invalid=653, Unknown=0, NotChecked=0, Total=870 [2018-12-03 16:24:05,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22487 states. [2018-12-03 16:24:22,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22487 to 15137. [2018-12-03 16:24:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15137 states. [2018-12-03 16:24:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15137 states to 15137 states and 55780 transitions. [2018-12-03 16:24:22,765 INFO L78 Accepts]: Start accepts. Automaton has 15137 states and 55780 transitions. Word has length 12 [2018-12-03 16:24:22,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 16:24:22,766 INFO L480 AbstractCegarLoop]: Abstraction has 15137 states and 55780 transitions. [2018-12-03 16:24:22,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 16:24:22,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15137 states and 55780 transitions. [2018-12-03 16:24:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 16:24:22,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 16:24:22,769 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 16:24:22,770 INFO L423 AbstractCegarLoop]: === Iteration 26 === [productErr106ASSERT_VIOLATIONASSERT, productErr114ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr139ASSERT_VIOLATIONASSERT, productErr117ASSERT_VIOLATIONASSERT, productErr33ASSERT_VIOLATIONASSERT, productErr46ASSERT_VIOLATIONASSERT, productErr47ASSERT_VIOLATIONASSERT, productErr92ASSERT_VIOLATIONASSERT, productErr127ASSERT_VIOLATIONASSERT, productErr67ASSERT_VIOLATIONASSERT, productErr51ASSERT_VIOLATIONASSERT, productErr71ASSERT_VIOLATIONASSERT, productErr97ASSERT_VIOLATIONASSERT, productErr54ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr45ASSERT_VIOLATIONASSERT, productErr101ASSERT_VIOLATIONASSERT, productErr120ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr89ASSERT_VIOLATIONASSERT, productErr96ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr65ASSERT_VIOLATIONASSERT, productErr123ASSERT_VIOLATIONASSERT, productErr126ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr102ASSERT_VIOLATIONASSERT, productErr79ASSERT_VIOLATIONASSERT, productErr28ASSERT_VIOLATIONASSERT, productErr145ASSERT_VIOLATIONASSERT, productErr86ASSERT_VIOLATIONASSERT, productErr99ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr115ASSERT_VIOLATIONASSERT, productErr82ASSERT_VIOLATIONASSERT, productErr70ASSERT_VIOLATIONASSERT, productErr134ASSERT_VIOLATIONASSERT, productErr104ASSERT_VIOLATIONASSERT, productErr85ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr57ASSERT_VIOLATIONASSERT, productErr111ASSERT_VIOLATIONASSERT, productErr125ASSERT_VIOLATIONASSERT, productErr30ASSERT_VIOLATIONASSERT, productErr49ASSERT_VIOLATIONASSERT, productErr84ASSERT_VIOLATIONASSERT, productErr142ASSERT_VIOLATIONASSERT, productErr100ASSERT_VIOLATIONASSERT, productErr119ASSERT_VIOLATIONASSERT, productErr56ASSERT_VIOLATIONASSERT, productErr42ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr91ASSERT_VIOLATIONASSERT, productErr103ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr68ASSERT_VIOLATIONASSERT, productErr29ASSERT_VIOLATIONASSERT, productErr55ASSERT_VIOLATIONASSERT, productErr90ASSERT_VIOLATIONASSERT, productErr109ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr78ASSERT_VIOLATIONASSERT, productErr37ASSERT_VIOLATIONASSERT, productErr60ASSERT_VIOLATIONASSERT, productErr74ASSERT_VIOLATIONASSERT, productErr118ASSERT_VIOLATIONASSERT, productErr146ASSERT_VIOLATIONASSERT, productErr94ASSERT_VIOLATIONASSERT, productErr98ASSERT_VIOLATIONASSERT, productErr105ASSERT_VIOLATIONASSERT, productErr77ASSERT_VIOLATIONASSERT, productErr107ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr32ASSERT_VIOLATIONASSERT, productErr61ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr40ASSERT_VIOLATIONASSERT, productErr62ASSERT_VIOLATIONASSERT, productErr73ASSERT_VIOLATIONASSERT, productErr53ASSERT_VIOLATIONASSERT, productErr35ASSERT_VIOLATIONASSERT, productErr52ASSERT_VIOLATIONASSERT, productErr76ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr39ASSERT_VIOLATIONASSERT, productErr130ASSERT_VIOLATIONASSERT, productErr136ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr83ASSERT_VIOLATIONASSERT, productErr140ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr64ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr59ASSERT_VIOLATIONASSERT, productErr131ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr128ASSERT_VIOLATIONASSERT, productErr80ASSERT_VIOLATIONASSERT, productErr44ASSERT_VIOLATIONASSERT, productErr143ASSERT_VIOLATIONASSERT, productErr31ASSERT_VIOLATIONASSERT, productErr122ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr88ASSERT_VIOLATIONASSERT, productErr124ASSERT_VIOLATIONASSERT, productErr58ASSERT_VIOLATIONASSERT, productErr81ASSERT_VIOLATIONASSERT, productErr27ASSERT_VIOLATIONASSERT, productErr144ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr38ASSERT_VIOLATIONASSERT, productErr108ASSERT_VIOLATIONASSERT, productErr43ASSERT_VIOLATIONASSERT, productErr113ASSERT_VIOLATIONASSERT, productErr36ASSERT_VIOLATIONASSERT, productErr137ASSERT_VIOLATIONASSERT, productErr95ASSERT_VIOLATIONASSERT, productErr138ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr75ASSERT_VIOLATIONASSERT, productErr48ASSERT_VIOLATIONASSERT, productErr72ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr66ASSERT_VIOLATIONASSERT, productErr135ASSERT_VIOLATIONASSERT, productErr87ASSERT_VIOLATIONASSERT, productErr110ASSERT_VIOLATIONASSERT, productErr41ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr141ASSERT_VIOLATIONASSERT, productErr133ASSERT_VIOLATIONASSERT, productErr93ASSERT_VIOLATIONASSERT, productErr63ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr34ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr69ASSERT_VIOLATIONASSERT, productErr116ASSERT_VIOLATIONASSERT, productErr50ASSERT_VIOLATIONASSERT, productErr129ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr112ASSERT_VIOLATIONASSERT, productErr132ASSERT_VIOLATIONASSERT, productErr121ASSERT_VIOLATIONASSERT]=== [2018-12-03 16:24:22,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 16:24:22,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1185771021, now seen corresponding path program 1 times [2018-12-03 16:24:22,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 16:24:22,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:24:22,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 16:24:22,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 16:24:22,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 16:24:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 16:24:23,014 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 16:24:23,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 16:24:23,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 16:24:23,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 16:24:23,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 16:24:23,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 16:24:23,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-03 16:24:23,015 INFO L87 Difference]: Start difference. First operand 15137 states and 55780 transitions. Second operand 10 states. [2018-12-03 16:24:34,050 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 14