java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label20_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 08:11:38,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 08:11:38,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 08:11:38,407 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 08:11:38,407 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 08:11:38,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 08:11:38,410 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 08:11:38,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 08:11:38,414 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 08:11:38,414 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 08:11:38,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 08:11:38,416 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 08:11:38,417 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 08:11:38,418 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 08:11:38,419 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 08:11:38,420 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 08:11:38,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 08:11:38,423 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 08:11:38,426 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 08:11:38,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 08:11:38,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 08:11:38,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 08:11:38,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 08:11:38,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 08:11:38,433 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 08:11:38,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 08:11:38,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 08:11:38,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 08:11:38,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 08:11:38,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 08:11:38,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 08:11:38,439 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 08:11:38,439 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 08:11:38,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 08:11:38,441 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 08:11:38,442 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 08:11:38,442 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 08:11:38,468 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 08:11:38,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 08:11:38,472 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 08:11:38,472 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 08:11:38,472 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 08:11:38,473 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 08:11:38,473 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 08:11:38,473 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 08:11:38,473 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 08:11:38,473 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 08:11:38,473 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 08:11:38,474 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 08:11:38,474 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 08:11:38,474 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 08:11:38,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 08:11:38,475 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 08:11:38,475 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 08:11:38,475 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 08:11:38,475 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 08:11:38,477 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 08:11:38,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 08:11:38,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 08:11:38,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 08:11:38,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 08:11:38,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 08:11:38,478 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 08:11:38,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:11:38,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 08:11:38,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 08:11:38,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 08:11:38,479 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 08:11:38,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 08:11:38,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 08:11:38,479 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 08:11:38,480 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 08:11:38,480 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 08:11:38,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 08:11:38,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 08:11:38,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 08:11:38,564 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 08:11:38,564 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 08:11:38,565 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label20_true-unreach-call.c [2018-10-27 08:11:38,625 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/025435af7/156fd423ac874ed6bc7c57eee8b2b931/FLAG44516e4a5 [2018-10-27 08:11:39,372 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 08:11:39,373 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label20_true-unreach-call.c [2018-10-27 08:11:39,397 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/025435af7/156fd423ac874ed6bc7c57eee8b2b931/FLAG44516e4a5 [2018-10-27 08:11:39,416 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/025435af7/156fd423ac874ed6bc7c57eee8b2b931 [2018-10-27 08:11:39,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 08:11:39,429 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 08:11:39,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 08:11:39,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 08:11:39,435 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 08:11:39,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:11:39" (1/1) ... [2018-10-27 08:11:39,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b692d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:39, skipping insertion in model container [2018-10-27 08:11:39,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:11:39" (1/1) ... [2018-10-27 08:11:39,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 08:11:39,543 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 08:11:40,428 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:11:40,433 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 08:11:40,755 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:11:40,775 INFO L193 MainTranslator]: Completed translation [2018-10-27 08:11:40,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40 WrapperNode [2018-10-27 08:11:40,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 08:11:40,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 08:11:40,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 08:11:40,778 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 08:11:40,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:40,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 08:11:41,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 08:11:41,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 08:11:41,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 08:11:41,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... [2018-10-27 08:11:41,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 08:11:41,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 08:11:41,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 08:11:41,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 08:11:41,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:11:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 08:11:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 08:11:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 08:11:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 08:11:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 08:11:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 08:11:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 08:11:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 08:11:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 08:11:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 08:11:49,703 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 08:11:49,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:11:49 BoogieIcfgContainer [2018-10-27 08:11:49,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 08:11:49,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 08:11:49,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 08:11:49,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 08:11:49,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:11:39" (1/3) ... [2018-10-27 08:11:49,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45164ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:11:49, skipping insertion in model container [2018-10-27 08:11:49,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:11:40" (2/3) ... [2018-10-27 08:11:49,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45164ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:11:49, skipping insertion in model container [2018-10-27 08:11:49,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:11:49" (3/3) ... [2018-10-27 08:11:49,716 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label20_true-unreach-call.c [2018-10-27 08:11:49,725 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 08:11:49,734 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 08:11:49,752 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 08:11:49,795 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 08:11:49,795 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 08:11:49,795 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 08:11:49,795 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 08:11:49,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 08:11:49,796 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 08:11:49,796 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 08:11:49,796 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 08:11:49,830 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-27 08:11:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 08:11:49,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:11:49,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:11:49,844 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:11:49,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:11:49,851 INFO L82 PathProgramCache]: Analyzing trace with hash 410122177, now seen corresponding path program 1 times [2018-10-27 08:11:49,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:11:49,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:11:49,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:11:49,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:11:49,901 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:11:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:11:50,384 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-27 08:11:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:11:50,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:11:50,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 08:11:50,471 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:11:50,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 08:11:50,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 08:11:50,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:11:50,503 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-27 08:11:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:11:58,998 INFO L93 Difference]: Finished difference Result 1510 states and 2773 transitions. [2018-10-27 08:11:58,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 08:11:58,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-10-27 08:11:59,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:11:59,028 INFO L225 Difference]: With dead ends: 1510 [2018-10-27 08:11:59,029 INFO L226 Difference]: Without dead ends: 1066 [2018-10-27 08:11:59,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:11:59,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-10-27 08:11:59,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1064. [2018-10-27 08:11:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2018-10-27 08:11:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1590 transitions. [2018-10-27 08:11:59,171 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1590 transitions. Word has length 49 [2018-10-27 08:11:59,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:11:59,172 INFO L481 AbstractCegarLoop]: Abstraction has 1064 states and 1590 transitions. [2018-10-27 08:11:59,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 08:11:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1590 transitions. [2018-10-27 08:11:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 08:11:59,182 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:11:59,183 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:11:59,183 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:11:59,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:11:59,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1315680885, now seen corresponding path program 1 times [2018-10-27 08:11:59,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:11:59,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:11:59,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:11:59,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:11:59,186 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:11:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:11:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:11:59,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:11:59,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 08:11:59,559 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:11:59,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 08:11:59,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 08:11:59,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 08:11:59,562 INFO L87 Difference]: Start difference. First operand 1064 states and 1590 transitions. Second operand 5 states. [2018-10-27 08:12:14,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:12:14,979 INFO L93 Difference]: Finished difference Result 3340 states and 4979 transitions. [2018-10-27 08:12:14,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:12:14,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2018-10-27 08:12:14,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:12:15,007 INFO L225 Difference]: With dead ends: 3340 [2018-10-27 08:12:15,007 INFO L226 Difference]: Without dead ends: 2282 [2018-10-27 08:12:15,014 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 08:12:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2018-10-27 08:12:15,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 2267. [2018-10-27 08:12:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2267 states. [2018-10-27 08:12:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 3306 transitions. [2018-10-27 08:12:15,115 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 3306 transitions. Word has length 119 [2018-10-27 08:12:15,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:12:15,116 INFO L481 AbstractCegarLoop]: Abstraction has 2267 states and 3306 transitions. [2018-10-27 08:12:15,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 08:12:15,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 3306 transitions. [2018-10-27 08:12:15,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 08:12:15,122 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:12:15,122 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:12:15,122 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:12:15,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:15,123 INFO L82 PathProgramCache]: Analyzing trace with hash -2016407952, now seen corresponding path program 1 times [2018-10-27 08:12:15,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:12:15,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:15,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:12:15,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:15,124 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:12:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:12:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:12:15,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:12:15,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:12:15,422 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:12:15,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:12:15,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:12:15,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:12:15,424 INFO L87 Difference]: Start difference. First operand 2267 states and 3306 transitions. Second operand 6 states. [2018-10-27 08:12:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:12:21,706 INFO L93 Difference]: Finished difference Result 6382 states and 9947 transitions. [2018-10-27 08:12:21,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:12:21,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-10-27 08:12:21,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:12:21,737 INFO L225 Difference]: With dead ends: 6382 [2018-10-27 08:12:21,738 INFO L226 Difference]: Without dead ends: 4430 [2018-10-27 08:12:21,753 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:12:21,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2018-10-27 08:12:21,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 4375. [2018-10-27 08:12:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4375 states. [2018-10-27 08:12:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 4375 states and 5974 transitions. [2018-10-27 08:12:21,886 INFO L78 Accepts]: Start accepts. Automaton has 4375 states and 5974 transitions. Word has length 124 [2018-10-27 08:12:21,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:12:21,887 INFO L481 AbstractCegarLoop]: Abstraction has 4375 states and 5974 transitions. [2018-10-27 08:12:21,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:12:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 5974 transitions. [2018-10-27 08:12:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 08:12:21,890 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:12:21,890 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:12:21,890 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:12:21,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:21,891 INFO L82 PathProgramCache]: Analyzing trace with hash 2021875324, now seen corresponding path program 1 times [2018-10-27 08:12:21,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:12:21,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:21,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:12:21,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:21,893 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:12:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:12:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:12:22,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:12:22,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 08:12:22,080 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:12:22,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 08:12:22,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 08:12:22,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:12:22,082 INFO L87 Difference]: Start difference. First operand 4375 states and 5974 transitions. Second operand 4 states. [2018-10-27 08:12:27,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:12:27,495 INFO L93 Difference]: Finished difference Result 11465 states and 16390 transitions. [2018-10-27 08:12:27,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 08:12:27,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-10-27 08:12:27,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:12:27,534 INFO L225 Difference]: With dead ends: 11465 [2018-10-27 08:12:27,534 INFO L226 Difference]: Without dead ends: 7405 [2018-10-27 08:12:27,560 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:12:27,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7405 states. [2018-10-27 08:12:27,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7405 to 7399. [2018-10-27 08:12:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7399 states. [2018-10-27 08:12:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7399 states to 7399 states and 9840 transitions. [2018-10-27 08:12:27,744 INFO L78 Accepts]: Start accepts. Automaton has 7399 states and 9840 transitions. Word has length 130 [2018-10-27 08:12:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:12:27,745 INFO L481 AbstractCegarLoop]: Abstraction has 7399 states and 9840 transitions. [2018-10-27 08:12:27,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 08:12:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7399 states and 9840 transitions. [2018-10-27 08:12:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-27 08:12:27,752 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:12:27,752 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:12:27,753 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:12:27,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:27,753 INFO L82 PathProgramCache]: Analyzing trace with hash 419544631, now seen corresponding path program 1 times [2018-10-27 08:12:27,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:12:27,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:27,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:12:27,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:27,754 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:12:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:12:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:12:28,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:12:28,294 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:12:28,294 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-10-27 08:12:28,296 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:12:28,344 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:12:28,345 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:12:29,176 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:12:29,178 INFO L272 AbstractInterpreter]: Visited 104 different actions 298 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:12:29,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:29,202 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:12:29,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:12:29,202 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:12:29,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:12:29,219 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:12:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:12:29,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:12:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:12:29,527 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:12:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:12:30,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 08:12:30,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 11 [2018-10-27 08:12:30,567 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:12:30,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:12:30,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:12:30,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-27 08:12:30,568 INFO L87 Difference]: Start difference. First operand 7399 states and 9840 transitions. Second operand 6 states. [2018-10-27 08:12:39,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:12:39,019 INFO L93 Difference]: Finished difference Result 25922 states and 36237 transitions. [2018-10-27 08:12:39,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:12:39,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-10-27 08:12:39,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:12:39,154 INFO L225 Difference]: With dead ends: 25922 [2018-10-27 08:12:39,155 INFO L226 Difference]: Without dead ends: 18838 [2018-10-27 08:12:39,227 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 288 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-27 08:12:39,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18838 states. [2018-10-27 08:12:39,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18838 to 18786. [2018-10-27 08:12:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18786 states. [2018-10-27 08:12:39,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18786 states to 18786 states and 25161 transitions. [2018-10-27 08:12:39,753 INFO L78 Accepts]: Start accepts. Automaton has 18786 states and 25161 transitions. Word has length 145 [2018-10-27 08:12:39,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:12:39,755 INFO L481 AbstractCegarLoop]: Abstraction has 18786 states and 25161 transitions. [2018-10-27 08:12:39,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:12:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 18786 states and 25161 transitions. [2018-10-27 08:12:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 08:12:39,778 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:12:39,779 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:12:39,779 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:12:39,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:39,779 INFO L82 PathProgramCache]: Analyzing trace with hash 577768630, now seen corresponding path program 1 times [2018-10-27 08:12:39,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:12:39,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:39,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:12:39,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:39,782 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:12:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:12:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 85 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 08:12:40,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:12:40,443 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:12:40,443 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-10-27 08:12:40,444 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [585], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:12:40,449 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:12:40,449 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:12:40,828 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:12:40,829 INFO L272 AbstractInterpreter]: Visited 105 different actions 301 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:12:40,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:40,867 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:12:40,867 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:12:40,867 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:12:40,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:12:40,891 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:12:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:12:40,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:12:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 08:12:41,142 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:12:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 08:12:41,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 08:12:41,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-10-27 08:12:41,542 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:12:41,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 08:12:41,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 08:12:41,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:12:41,545 INFO L87 Difference]: Start difference. First operand 18786 states and 25161 transitions. Second operand 5 states. [2018-10-27 08:12:46,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:12:46,211 INFO L93 Difference]: Finished difference Result 43199 states and 60674 transitions. [2018-10-27 08:12:46,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:12:46,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 218 [2018-10-27 08:12:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:12:46,320 INFO L225 Difference]: With dead ends: 43199 [2018-10-27 08:12:46,320 INFO L226 Difference]: Without dead ends: 24727 [2018-10-27 08:12:46,369 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 434 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-27 08:12:46,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24727 states. [2018-10-27 08:12:46,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24727 to 23619. [2018-10-27 08:12:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23619 states. [2018-10-27 08:12:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23619 states to 23619 states and 30133 transitions. [2018-10-27 08:12:46,901 INFO L78 Accepts]: Start accepts. Automaton has 23619 states and 30133 transitions. Word has length 218 [2018-10-27 08:12:46,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:12:46,902 INFO L481 AbstractCegarLoop]: Abstraction has 23619 states and 30133 transitions. [2018-10-27 08:12:46,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 08:12:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 23619 states and 30133 transitions. [2018-10-27 08:12:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-27 08:12:46,933 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:12:46,934 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:12:46,934 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:12:46,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:46,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2071919887, now seen corresponding path program 1 times [2018-10-27 08:12:46,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:12:46,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:46,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:12:46,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:12:46,936 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:12:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:12:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 08:12:47,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:12:47,632 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:12:47,633 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-10-27 08:12:47,633 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [746], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:12:47,638 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:12:47,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:12:47,755 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:12:47,755 INFO L272 AbstractInterpreter]: Visited 113 different actions 113 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 08:12:47,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:12:47,792 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:12:48,236 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 77.92% of their original sizes. [2018-10-27 08:12:48,236 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:12:48,479 INFO L415 sIntCurrentIteration]: We unified 237 AI predicates to 237 [2018-10-27 08:12:48,479 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:12:48,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:12:48,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-10-27 08:12:48,480 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:12:48,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:12:48,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:12:48,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:12:48,482 INFO L87 Difference]: Start difference. First operand 23619 states and 30133 transitions. Second operand 6 states. [2018-10-27 08:13:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:13:31,668 INFO L93 Difference]: Finished difference Result 46926 states and 59922 transitions. [2018-10-27 08:13:31,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:13:31,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-10-27 08:13:31,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:13:31,751 INFO L225 Difference]: With dead ends: 46926 [2018-10-27 08:13:31,751 INFO L226 Difference]: Without dead ends: 23621 [2018-10-27 08:13:31,819 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 08:13:31,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23621 states. [2018-10-27 08:13:32,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23621 to 23619. [2018-10-27 08:13:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23619 states. [2018-10-27 08:13:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23619 states to 23619 states and 30109 transitions. [2018-10-27 08:13:32,235 INFO L78 Accepts]: Start accepts. Automaton has 23619 states and 30109 transitions. Word has length 238 [2018-10-27 08:13:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:13:32,235 INFO L481 AbstractCegarLoop]: Abstraction has 23619 states and 30109 transitions. [2018-10-27 08:13:32,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:13:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 23619 states and 30109 transitions. [2018-10-27 08:13:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-27 08:13:32,269 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:13:32,269 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:13:32,270 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:13:32,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:13:32,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1405899324, now seen corresponding path program 1 times [2018-10-27 08:13:32,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:13:32,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:13:32,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:13:32,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:13:32,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:13:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:13:32,635 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:13:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 132 proven. 242 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 08:13:33,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:13:33,106 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:13:33,106 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-10-27 08:13:33,107 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [734], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:13:33,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:13:33,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:13:33,260 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:13:33,260 INFO L272 AbstractInterpreter]: Visited 115 different actions 331 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:13:33,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:13:33,292 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:13:33,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:13:33,292 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:13:33,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:13:33,310 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:13:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:13:33,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:13:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 347 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-27 08:13:33,596 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:13:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 214 proven. 84 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-10-27 08:13:33,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:13:33,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 08:13:33,829 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:13:33,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:13:33,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:13:33,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-27 08:13:33,830 INFO L87 Difference]: Start difference. First operand 23619 states and 30109 transitions. Second operand 9 states. [2018-10-27 08:13:43,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:13:43,613 INFO L93 Difference]: Finished difference Result 49459 states and 63530 transitions. [2018-10-27 08:13:43,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 08:13:43,614 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 337 [2018-10-27 08:13:43,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:13:43,689 INFO L225 Difference]: With dead ends: 49459 [2018-10-27 08:13:43,692 INFO L226 Difference]: Without dead ends: 26154 [2018-10-27 08:13:43,780 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 682 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2018-10-27 08:13:43,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26154 states. [2018-10-27 08:13:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26154 to 25567. [2018-10-27 08:13:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25567 states. [2018-10-27 08:13:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25567 states to 25567 states and 29997 transitions. [2018-10-27 08:13:44,185 INFO L78 Accepts]: Start accepts. Automaton has 25567 states and 29997 transitions. Word has length 337 [2018-10-27 08:13:44,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:13:44,186 INFO L481 AbstractCegarLoop]: Abstraction has 25567 states and 29997 transitions. [2018-10-27 08:13:44,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:13:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 25567 states and 29997 transitions. [2018-10-27 08:13:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2018-10-27 08:13:44,207 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:13:44,207 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:13:44,208 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:13:44,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:13:44,208 INFO L82 PathProgramCache]: Analyzing trace with hash 560387599, now seen corresponding path program 1 times [2018-10-27 08:13:44,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:13:44,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:13:44,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:13:44,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:13:44,210 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:13:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:13:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 206 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:13:44,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:13:44,753 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:13:44,754 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 461 with the following transitions: [2018-10-27 08:13:44,754 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [838], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:13:44,761 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:13:44,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:13:45,259 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:13:45,259 INFO L272 AbstractInterpreter]: Visited 296 different actions 885 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-10-27 08:13:45,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:13:45,265 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:13:45,265 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:13:45,265 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:13:45,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:13:45,273 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:13:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:13:45,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:13:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 206 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:13:45,641 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:13:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 206 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:13:45,906 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:13:45,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 08:13:45,907 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:13:45,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:13:45,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:13:45,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-10-27 08:13:45,909 INFO L87 Difference]: Start difference. First operand 25567 states and 29997 transitions. Second operand 9 states. [2018-10-27 08:13:54,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:13:54,867 INFO L93 Difference]: Finished difference Result 58591 states and 75219 transitions. [2018-10-27 08:13:54,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 08:13:54,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 460 [2018-10-27 08:13:54,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:13:55,064 INFO L225 Difference]: With dead ends: 58591 [2018-10-27 08:13:55,064 INFO L226 Difference]: Without dead ends: 33338 [2018-10-27 08:13:55,190 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 941 GetRequests, 922 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-10-27 08:13:55,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33338 states. [2018-10-27 08:13:55,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33338 to 31712. [2018-10-27 08:13:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31712 states. [2018-10-27 08:13:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31712 states to 31712 states and 40189 transitions. [2018-10-27 08:13:55,925 INFO L78 Accepts]: Start accepts. Automaton has 31712 states and 40189 transitions. Word has length 460 [2018-10-27 08:13:55,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:13:55,925 INFO L481 AbstractCegarLoop]: Abstraction has 31712 states and 40189 transitions. [2018-10-27 08:13:55,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:13:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 31712 states and 40189 transitions. [2018-10-27 08:13:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-10-27 08:13:55,948 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:13:55,948 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:13:55,949 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:13:55,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:13:55,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1589841736, now seen corresponding path program 1 times [2018-10-27 08:13:55,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:13:55,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:13:55,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:13:55,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:13:55,950 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:13:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:13:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 347 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-10-27 08:13:56,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:13:56,739 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:13:56,740 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 471 with the following transitions: [2018-10-27 08:13:56,740 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [838], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:13:56,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:13:56,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:13:57,335 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:13:57,335 INFO L272 AbstractInterpreter]: Visited 211 different actions 837 times. Merged at 8 different actions 27 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-27 08:13:57,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:13:57,344 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:13:57,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:13:57,344 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:13:57,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:13:57,355 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:13:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:13:57,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:13:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 347 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-10-27 08:13:57,639 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:13:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 347 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-10-27 08:13:57,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:13:57,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 08:13:57,884 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:13:57,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:13:57,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:13:57,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-10-27 08:13:57,885 INFO L87 Difference]: Start difference. First operand 31712 states and 40189 transitions. Second operand 9 states. [2018-10-27 08:14:06,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:14:06,192 INFO L93 Difference]: Finished difference Result 59835 states and 74669 transitions. [2018-10-27 08:14:06,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 08:14:06,192 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 470 [2018-10-27 08:14:06,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:14:06,278 INFO L225 Difference]: With dead ends: 59835 [2018-10-27 08:14:06,278 INFO L226 Difference]: Without dead ends: 28437 [2018-10-27 08:14:06,425 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 963 GetRequests, 944 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-10-27 08:14:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28437 states. [2018-10-27 08:14:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28437 to 28222. [2018-10-27 08:14:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28222 states. [2018-10-27 08:14:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28222 states to 28222 states and 32102 transitions. [2018-10-27 08:14:06,833 INFO L78 Accepts]: Start accepts. Automaton has 28222 states and 32102 transitions. Word has length 470 [2018-10-27 08:14:06,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:14:06,834 INFO L481 AbstractCegarLoop]: Abstraction has 28222 states and 32102 transitions. [2018-10-27 08:14:06,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:14:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 28222 states and 32102 transitions. [2018-10-27 08:14:06,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-10-27 08:14:06,846 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:14:06,847 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:14:06,847 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:14:06,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:06,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1889386295, now seen corresponding path program 1 times [2018-10-27 08:14:06,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:14:06,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:06,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:06,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:06,849 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:14:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-10-27 08:14:07,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:14:07,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 08:14:07,387 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:14:07,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 08:14:07,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 08:14:07,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:14:07,388 INFO L87 Difference]: Start difference. First operand 28222 states and 32102 transitions. Second operand 4 states. [2018-10-27 08:14:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:14:12,138 INFO L93 Difference]: Finished difference Result 74611 states and 87512 transitions. [2018-10-27 08:14:12,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 08:14:12,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 473 [2018-10-27 08:14:12,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:14:12,253 INFO L225 Difference]: With dead ends: 74611 [2018-10-27 08:14:12,253 INFO L226 Difference]: Without dead ends: 46703 [2018-10-27 08:14:12,325 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:14:12,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46703 states. [2018-10-27 08:14:12,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46703 to 45941. [2018-10-27 08:14:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45941 states. [2018-10-27 08:14:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45941 states to 45941 states and 52536 transitions. [2018-10-27 08:14:13,013 INFO L78 Accepts]: Start accepts. Automaton has 45941 states and 52536 transitions. Word has length 473 [2018-10-27 08:14:13,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:14:13,015 INFO L481 AbstractCegarLoop]: Abstraction has 45941 states and 52536 transitions. [2018-10-27 08:14:13,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 08:14:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 45941 states and 52536 transitions. [2018-10-27 08:14:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-10-27 08:14:13,564 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:14:13,565 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:14:13,565 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:14:13,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:13,567 INFO L82 PathProgramCache]: Analyzing trace with hash -270304285, now seen corresponding path program 1 times [2018-10-27 08:14:13,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:14:13,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:13,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:13,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:13,568 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:14:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-10-27 08:14:13,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:14:13,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 08:14:13,980 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:14:13,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:14:13,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:14:13,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:14:13,981 INFO L87 Difference]: Start difference. First operand 45941 states and 52536 transitions. Second operand 3 states. [2018-10-27 08:14:17,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:14:17,967 INFO L93 Difference]: Finished difference Result 109384 states and 126640 transitions. [2018-10-27 08:14:17,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:14:17,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 541 [2018-10-27 08:14:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:14:18,093 INFO L225 Difference]: With dead ends: 109384 [2018-10-27 08:14:18,093 INFO L226 Difference]: Without dead ends: 49350 [2018-10-27 08:14:18,239 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:14:18,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49350 states. [2018-10-27 08:14:18,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49350 to 46266. [2018-10-27 08:14:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46266 states. [2018-10-27 08:14:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46266 states to 46266 states and 50509 transitions. [2018-10-27 08:14:18,894 INFO L78 Accepts]: Start accepts. Automaton has 46266 states and 50509 transitions. Word has length 541 [2018-10-27 08:14:18,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:14:18,895 INFO L481 AbstractCegarLoop]: Abstraction has 46266 states and 50509 transitions. [2018-10-27 08:14:18,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:14:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 46266 states and 50509 transitions. [2018-10-27 08:14:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2018-10-27 08:14:18,957 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:14:18,958 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:14:18,959 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:14:18,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:18,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1143651567, now seen corresponding path program 1 times [2018-10-27 08:14:18,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:14:18,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:18,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:18,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:18,960 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:14:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-27 08:14:19,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:14:19,606 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:14:19,606 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 766 with the following transitions: [2018-10-27 08:14:19,607 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [860], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1183], [1188], [1190], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:14:19,612 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:14:19,612 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:14:24,334 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:14:24,334 INFO L272 AbstractInterpreter]: Visited 290 different actions 857 times. Merged at 9 different actions 19 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-27 08:14:24,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:24,340 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:14:24,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:14:24,340 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:14:24,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:24,348 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:14:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:24,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:14:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 566 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2018-10-27 08:14:24,865 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:14:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-27 08:14:25,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 08:14:25,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 4 [2018-10-27 08:14:25,170 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:14:25,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:14:25,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:14:25,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:14:25,171 INFO L87 Difference]: Start difference. First operand 46266 states and 50509 transitions. Second operand 3 states. [2018-10-27 08:14:27,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:14:27,666 INFO L93 Difference]: Finished difference Result 92521 states and 101064 transitions. [2018-10-27 08:14:27,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:14:27,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 765 [2018-10-27 08:14:27,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:14:27,771 INFO L225 Difference]: With dead ends: 92521 [2018-10-27 08:14:27,772 INFO L226 Difference]: Without dead ends: 46569 [2018-10-27 08:14:27,846 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1532 GetRequests, 1530 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:14:27,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46569 states. [2018-10-27 08:14:28,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46569 to 45949. [2018-10-27 08:14:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45949 states. [2018-10-27 08:14:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45949 states to 45949 states and 50121 transitions. [2018-10-27 08:14:28,362 INFO L78 Accepts]: Start accepts. Automaton has 45949 states and 50121 transitions. Word has length 765 [2018-10-27 08:14:28,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:14:28,364 INFO L481 AbstractCegarLoop]: Abstraction has 45949 states and 50121 transitions. [2018-10-27 08:14:28,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:14:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 45949 states and 50121 transitions. [2018-10-27 08:14:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2018-10-27 08:14:28,435 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:14:28,435 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:14:28,436 INFO L424 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:14:28,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:28,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1455468795, now seen corresponding path program 1 times [2018-10-27 08:14:28,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:14:28,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:28,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:28,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:28,438 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:14:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 594 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-10-27 08:14:29,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:14:29,504 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:14:29,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 792 with the following transitions: [2018-10-27 08:14:29,505 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1513], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:14:29,511 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:14:29,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:14:33,146 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:14:33,146 INFO L272 AbstractInterpreter]: Visited 288 different actions 859 times. Merged at 9 different actions 23 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-27 08:14:33,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:33,156 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:14:33,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:14:33,156 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:14:33,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:33,165 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:14:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:33,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:14:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2018-10-27 08:14:33,746 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:14:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2018-10-27 08:14:34,239 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:14:34,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 4 [2018-10-27 08:14:34,240 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:14:34,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:14:34,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:14:34,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:14:34,242 INFO L87 Difference]: Start difference. First operand 45949 states and 50121 transitions. Second operand 3 states. [2018-10-27 08:14:37,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:14:37,699 INFO L93 Difference]: Finished difference Result 92832 states and 101804 transitions. [2018-10-27 08:14:37,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:14:37,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 791 [2018-10-27 08:14:37,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:14:37,792 INFO L225 Difference]: With dead ends: 92832 [2018-10-27 08:14:37,793 INFO L226 Difference]: Without dead ends: 47197 [2018-10-27 08:14:37,875 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1588 GetRequests, 1582 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 08:14:37,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47197 states. [2018-10-27 08:14:38,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47197 to 46715. [2018-10-27 08:14:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46715 states. [2018-10-27 08:14:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46715 states to 46715 states and 50696 transitions. [2018-10-27 08:14:38,410 INFO L78 Accepts]: Start accepts. Automaton has 46715 states and 50696 transitions. Word has length 791 [2018-10-27 08:14:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:14:38,412 INFO L481 AbstractCegarLoop]: Abstraction has 46715 states and 50696 transitions. [2018-10-27 08:14:38,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:14:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 46715 states and 50696 transitions. [2018-10-27 08:14:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2018-10-27 08:14:38,463 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:14:38,464 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:14:38,465 INFO L424 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:14:38,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:38,465 INFO L82 PathProgramCache]: Analyzing trace with hash 294254515, now seen corresponding path program 1 times [2018-10-27 08:14:38,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:14:38,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:38,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:38,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:14:38,467 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:14:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 544 proven. 112 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2018-10-27 08:14:39,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:14:39,489 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:14:39,489 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 842 with the following transitions: [2018-10-27 08:14:39,489 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [365], [367], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1183], [1188], [1190], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 08:14:39,494 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:14:39,495 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:14:43,762 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:14:43,762 INFO L272 AbstractInterpreter]: Visited 291 different actions 864 times. Merged at 9 different actions 23 times. Never widened. Found 6 fixpoints after 4 different actions. Largest state had 24 variables. [2018-10-27 08:14:43,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:14:43,769 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:14:43,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:14:43,769 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 08:14:43,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:14:43,777 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:14:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:14:44,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:14:44,384 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 22 [2018-10-27 08:14:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2018-10-27 08:14:45,378 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:14:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2018-10-27 08:14:46,133 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:14:46,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5] total 9 [2018-10-27 08:14:46,133 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:14:46,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 08:14:46,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 08:14:46,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:14:46,135 INFO L87 Difference]: Start difference. First operand 46715 states and 50696 transitions. Second operand 4 states. [2018-10-27 08:14:58,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:14:58,958 INFO L93 Difference]: Finished difference Result 101239 states and 110176 transitions. [2018-10-27 08:14:58,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 08:14:58,958 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 841 [2018-10-27 08:14:58,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:14:58,961 INFO L225 Difference]: With dead ends: 101239 [2018-10-27 08:14:58,961 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 08:14:59,261 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1686 GetRequests, 1678 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:14:59,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 08:14:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 08:14:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 08:14:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 08:14:59,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 841 [2018-10-27 08:14:59,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:14:59,263 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 08:14:59,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 08:14:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 08:14:59,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 08:14:59,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 08:14:59,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:14:59,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,547 WARN L179 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 181 [2018-10-27 08:15:00,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,933 WARN L179 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 181 [2018-10-27 08:15:00,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:00,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:01,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 08:15:02,652 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 17 [2018-10-27 08:15:21,368 WARN L179 SmtUtils]: Spent 18.63 s on a formula simplification. DAG size of input: 568 DAG size of output: 188 Received shutdown request... [2018-10-27 08:15:22,333 WARN L187 SmtUtils]: Removed 2 from assertion stack [2018-10-27 08:15:22,334 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2018-10-27 08:15:22,335 INFO L168 Benchmark]: Toolchain (without parser) took 222906.90 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2018-10-27 08:15:22,336 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 08:15:22,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1346.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-27 08:15:22,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 423.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -873.7 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2018-10-27 08:15:22,338 INFO L168 Benchmark]: Boogie Preprocessor took 232.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2018-10-27 08:15:22,339 INFO L168 Benchmark]: RCFGBuilder took 8271.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 302.9 MB). Peak memory consumption was 302.9 MB. Max. memory is 7.1 GB. [2018-10-27 08:15:22,340 INFO L168 Benchmark]: TraceAbstraction took 212628.52 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -701.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-10-27 08:15:22,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1346.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 423.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -873.7 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 232.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8271.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 302.9 MB). Peak memory consumption was 302.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212628.52 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -701.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 735. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown