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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label17_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:56:52,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:56:52,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:56:52,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:56:52,293 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:56:52,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:56:52,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:56:52,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:56:52,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:56:52,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:56:52,305 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:56:52,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:56:52,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:56:52,309 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:56:52,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:56:52,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:56:52,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:56:52,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:56:52,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:56:52,324 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:56:52,325 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:56:52,328 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:56:52,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 14:56:52,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 14:56:52,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 14:56:52,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 14:56:52,334 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 14:56:52,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 14:56:52,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 14:56:52,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 14:56:52,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 14:56:52,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 14:56:52,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 14:56:52,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 14:56:52,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 14:56:52,343 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 14:56:52,343 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 14:56:52,370 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:56:52,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:56:52,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:56:52,371 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:56:52,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:56:52,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:56:52,373 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:56:52,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:56:52,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:56:52,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:56:52,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:56:52,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:56:52,375 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:56:52,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:56:52,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:56:52,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:56:52,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:56:52,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:56:52,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:56:52,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:56:52,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:56:52,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:56:52,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:56:52,378 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:56:52,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:56:52,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:56:52,379 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:56:52,379 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:56:52,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:56:52,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:56:52,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:56:52,466 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:56:52,467 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:56:52,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label17_true-unreach-call.c [2018-10-24 14:56:52,533 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/972a48a4b/57b28a5944444c12aebd874202f5fc3d/FLAG972998805 [2018-10-24 14:56:53,185 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:56:53,186 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label17_true-unreach-call.c [2018-10-24 14:56:53,205 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/972a48a4b/57b28a5944444c12aebd874202f5fc3d/FLAG972998805 [2018-10-24 14:56:53,224 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/972a48a4b/57b28a5944444c12aebd874202f5fc3d [2018-10-24 14:56:53,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:56:53,238 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:56:53,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:56:53,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:56:53,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:56:53,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:56:53" (1/1) ... [2018-10-24 14:56:53,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51647cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:53, skipping insertion in model container [2018-10-24 14:56:53,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:56:53" (1/1) ... [2018-10-24 14:56:53,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:56:53,360 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:56:54,097 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:56:54,104 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:56:54,356 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:56:54,381 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:56:54,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54 WrapperNode [2018-10-24 14:56:54,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:56:54,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:56:54,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:56:54,383 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:56:54,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:56:54,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:56:54,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:56:54,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:56:54,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (1/1) ... [2018-10-24 14:56:54,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:56:54,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:56:54,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:56:54,792 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:56:54,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (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 [2018-10-24 14:56:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:56:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:56:54,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:56:59,920 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:56:59,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:56:59 BoogieIcfgContainer [2018-10-24 14:56:59,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:56:59,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:56:59,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:56:59,926 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:56:59,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:56:53" (1/3) ... [2018-10-24 14:56:59,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a259c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:56:59, skipping insertion in model container [2018-10-24 14:56:59,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:56:54" (2/3) ... [2018-10-24 14:56:59,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a259c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:56:59, skipping insertion in model container [2018-10-24 14:56:59,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:56:59" (3/3) ... [2018-10-24 14:56:59,930 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label17_true-unreach-call.c [2018-10-24 14:56:59,940 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:56:59,948 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:56:59,966 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:57:00,000 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:57:00,001 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:57:00,001 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:57:00,001 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:57:00,001 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:57:00,001 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:57:00,001 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:57:00,001 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:57:00,002 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:57:00,026 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2018-10-24 14:57:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-24 14:57:00,048 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:00,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:00,052 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:00,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:00,058 INFO L82 PathProgramCache]: Analyzing trace with hash 842622356, now seen corresponding path program 1 times [2018-10-24 14:57:00,060 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:00,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:00,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:00,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:00,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:00,946 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-24 14:57:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:57:01,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:01,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:57:01,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:57:01,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:57:01,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:01,085 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 4 states. [2018-10-24 14:57:04,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:04,319 INFO L93 Difference]: Finished difference Result 1075 states and 1921 transitions. [2018-10-24 14:57:04,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:57:04,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2018-10-24 14:57:04,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:04,347 INFO L225 Difference]: With dead ends: 1075 [2018-10-24 14:57:04,347 INFO L226 Difference]: Without dead ends: 765 [2018-10-24 14:57:04,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:04,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2018-10-24 14:57:04,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 520. [2018-10-24 14:57:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-10-24 14:57:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 853 transitions. [2018-10-24 14:57:04,433 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 853 transitions. Word has length 200 [2018-10-24 14:57:04,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:04,434 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 853 transitions. [2018-10-24 14:57:04,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:57:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 853 transitions. [2018-10-24 14:57:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-24 14:57:04,441 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:04,442 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:04,442 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:04,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:04,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1987087763, now seen corresponding path program 1 times [2018-10-24 14:57:04,443 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:04,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:04,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:04,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:04,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:57:04,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:04,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:57:04,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:04,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:04,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:04,577 INFO L87 Difference]: Start difference. First operand 520 states and 853 transitions. Second operand 3 states. [2018-10-24 14:57:06,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:06,444 INFO L93 Difference]: Finished difference Result 1465 states and 2463 transitions. [2018-10-24 14:57:06,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:06,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2018-10-24 14:57:06,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:06,451 INFO L225 Difference]: With dead ends: 1465 [2018-10-24 14:57:06,451 INFO L226 Difference]: Without dead ends: 947 [2018-10-24 14:57:06,453 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:06,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2018-10-24 14:57:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 931. [2018-10-24 14:57:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2018-10-24 14:57:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1508 transitions. [2018-10-24 14:57:06,492 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1508 transitions. Word has length 209 [2018-10-24 14:57:06,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:06,492 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1508 transitions. [2018-10-24 14:57:06,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1508 transitions. [2018-10-24 14:57:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-24 14:57:06,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:06,499 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:06,499 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:06,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:06,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1016526360, now seen corresponding path program 1 times [2018-10-24 14:57:06,500 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:06,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:06,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:06,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:06,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-24 14:57:06,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:06,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:57:06,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:06,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:06,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:06,630 INFO L87 Difference]: Start difference. First operand 931 states and 1508 transitions. Second operand 3 states. [2018-10-24 14:57:09,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:09,748 INFO L93 Difference]: Finished difference Result 2774 states and 4502 transitions. [2018-10-24 14:57:09,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:09,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2018-10-24 14:57:09,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:09,761 INFO L225 Difference]: With dead ends: 2774 [2018-10-24 14:57:09,762 INFO L226 Difference]: Without dead ends: 1845 [2018-10-24 14:57:09,764 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2018-10-24 14:57:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1841. [2018-10-24 14:57:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2018-10-24 14:57:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2985 transitions. [2018-10-24 14:57:09,829 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2985 transitions. Word has length 223 [2018-10-24 14:57:09,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:09,830 INFO L481 AbstractCegarLoop]: Abstraction has 1841 states and 2985 transitions. [2018-10-24 14:57:09,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2985 transitions. [2018-10-24 14:57:09,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-24 14:57:09,837 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:09,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:09,838 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:09,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:09,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1179694472, now seen corresponding path program 1 times [2018-10-24 14:57:09,839 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:09,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:09,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:09,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:09,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:57:10,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:10,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:57:10,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:57:10,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:57:10,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:10,110 INFO L87 Difference]: Start difference. First operand 1841 states and 2985 transitions. Second operand 4 states. [2018-10-24 14:57:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:12,653 INFO L93 Difference]: Finished difference Result 7028 states and 11556 transitions. [2018-10-24 14:57:12,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:57:12,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 224 [2018-10-24 14:57:12,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:12,683 INFO L225 Difference]: With dead ends: 7028 [2018-10-24 14:57:12,683 INFO L226 Difference]: Without dead ends: 5189 [2018-10-24 14:57:12,688 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:12,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5189 states. [2018-10-24 14:57:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5189 to 3481. [2018-10-24 14:57:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3481 states. [2018-10-24 14:57:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 5332 transitions. [2018-10-24 14:57:12,814 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 5332 transitions. Word has length 224 [2018-10-24 14:57:12,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:12,815 INFO L481 AbstractCegarLoop]: Abstraction has 3481 states and 5332 transitions. [2018-10-24 14:57:12,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:57:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 5332 transitions. [2018-10-24 14:57:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-24 14:57:12,826 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:12,826 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:12,826 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:12,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:12,827 INFO L82 PathProgramCache]: Analyzing trace with hash -15660827, now seen corresponding path program 1 times [2018-10-24 14:57:12,827 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:12,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:12,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:12,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:12,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-24 14:57:13,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:13,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:57:13,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:13,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:13,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:13,064 INFO L87 Difference]: Start difference. First operand 3481 states and 5332 transitions. Second operand 3 states. [2018-10-24 14:57:14,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:14,045 INFO L93 Difference]: Finished difference Result 6910 states and 10594 transitions. [2018-10-24 14:57:14,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:14,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2018-10-24 14:57:14,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:14,069 INFO L225 Difference]: With dead ends: 6910 [2018-10-24 14:57:14,069 INFO L226 Difference]: Without dead ends: 3431 [2018-10-24 14:57:14,075 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:14,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2018-10-24 14:57:14,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3431. [2018-10-24 14:57:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3431 states. [2018-10-24 14:57:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 3431 states and 5172 transitions. [2018-10-24 14:57:14,149 INFO L78 Accepts]: Start accepts. Automaton has 3431 states and 5172 transitions. Word has length 238 [2018-10-24 14:57:14,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:14,150 INFO L481 AbstractCegarLoop]: Abstraction has 3431 states and 5172 transitions. [2018-10-24 14:57:14,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3431 states and 5172 transitions. [2018-10-24 14:57:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-24 14:57:14,161 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:14,162 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:14,162 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:14,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:14,163 INFO L82 PathProgramCache]: Analyzing trace with hash -160938096, now seen corresponding path program 1 times [2018-10-24 14:57:14,163 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:14,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:14,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:14,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:14,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:14,717 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-24 14:57:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:57:14,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:14,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:57:14,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 14:57:14,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 14:57:14,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:57:14,757 INFO L87 Difference]: Start difference. First operand 3431 states and 5172 transitions. Second operand 5 states. [2018-10-24 14:57:19,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:19,052 INFO L93 Difference]: Finished difference Result 8133 states and 12410 transitions. [2018-10-24 14:57:19,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 14:57:19,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2018-10-24 14:57:19,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:19,069 INFO L225 Difference]: With dead ends: 8133 [2018-10-24 14:57:19,069 INFO L226 Difference]: Without dead ends: 4704 [2018-10-24 14:57:19,074 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:57:19,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4704 states. [2018-10-24 14:57:19,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4704 to 3839. [2018-10-24 14:57:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3839 states. [2018-10-24 14:57:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 5746 transitions. [2018-10-24 14:57:19,146 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 5746 transitions. Word has length 240 [2018-10-24 14:57:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:19,146 INFO L481 AbstractCegarLoop]: Abstraction has 3839 states and 5746 transitions. [2018-10-24 14:57:19,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 14:57:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 5746 transitions. [2018-10-24 14:57:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-24 14:57:19,154 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:19,154 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:19,155 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:19,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:19,155 INFO L82 PathProgramCache]: Analyzing trace with hash -234496693, now seen corresponding path program 1 times [2018-10-24 14:57:19,155 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:19,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:19,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:19,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:19,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 14:57:19,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:19,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:57:19,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:19,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:19,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:19,299 INFO L87 Difference]: Start difference. First operand 3839 states and 5746 transitions. Second operand 3 states. [2018-10-24 14:57:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:20,560 INFO L93 Difference]: Finished difference Result 10952 states and 16371 transitions. [2018-10-24 14:57:20,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:20,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2018-10-24 14:57:20,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:20,591 INFO L225 Difference]: With dead ends: 10952 [2018-10-24 14:57:20,592 INFO L226 Difference]: Without dead ends: 7115 [2018-10-24 14:57:20,598 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:20,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7115 states. [2018-10-24 14:57:20,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7115 to 7109. [2018-10-24 14:57:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7109 states. [2018-10-24 14:57:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7109 states to 7109 states and 10002 transitions. [2018-10-24 14:57:20,812 INFO L78 Accepts]: Start accepts. Automaton has 7109 states and 10002 transitions. Word has length 241 [2018-10-24 14:57:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:20,812 INFO L481 AbstractCegarLoop]: Abstraction has 7109 states and 10002 transitions. [2018-10-24 14:57:20,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 7109 states and 10002 transitions. [2018-10-24 14:57:20,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-24 14:57:20,824 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:20,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:20,825 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:20,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:20,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1666351876, now seen corresponding path program 1 times [2018-10-24 14:57:20,825 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:20,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:20,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:20,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:20,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:57:21,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:21,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:57:21,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:21,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:21,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:21,021 INFO L87 Difference]: Start difference. First operand 7109 states and 10002 transitions. Second operand 3 states. [2018-10-24 14:57:22,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:22,634 INFO L93 Difference]: Finished difference Result 17299 states and 24305 transitions. [2018-10-24 14:57:22,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:22,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2018-10-24 14:57:22,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:22,659 INFO L225 Difference]: With dead ends: 17299 [2018-10-24 14:57:22,659 INFO L226 Difference]: Without dead ends: 10192 [2018-10-24 14:57:22,667 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:22,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10192 states. [2018-10-24 14:57:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10192 to 10190. [2018-10-24 14:57:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10190 states. [2018-10-24 14:57:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10190 states to 10190 states and 14205 transitions. [2018-10-24 14:57:22,802 INFO L78 Accepts]: Start accepts. Automaton has 10190 states and 14205 transitions. Word has length 242 [2018-10-24 14:57:22,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:22,803 INFO L481 AbstractCegarLoop]: Abstraction has 10190 states and 14205 transitions. [2018-10-24 14:57:22,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 10190 states and 14205 transitions. [2018-10-24 14:57:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-24 14:57:22,820 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:22,820 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:22,820 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:22,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:22,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1670297837, now seen corresponding path program 1 times [2018-10-24 14:57:22,821 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:22,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:22,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:22,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:22,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-24 14:57:22,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:22,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:57:22,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:22,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:22,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:22,994 INFO L87 Difference]: Start difference. First operand 10190 states and 14205 transitions. Second operand 3 states. [2018-10-24 14:57:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:24,587 INFO L93 Difference]: Finished difference Result 28950 states and 40308 transitions. [2018-10-24 14:57:24,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:24,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2018-10-24 14:57:24,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:24,624 INFO L225 Difference]: With dead ends: 28950 [2018-10-24 14:57:24,624 INFO L226 Difference]: Without dead ends: 18762 [2018-10-24 14:57:24,637 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:24,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18762 states. [2018-10-24 14:57:24,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18762 to 18758. [2018-10-24 14:57:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18758 states. [2018-10-24 14:57:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18758 states to 18758 states and 23310 transitions. [2018-10-24 14:57:24,858 INFO L78 Accepts]: Start accepts. Automaton has 18758 states and 23310 transitions. Word has length 248 [2018-10-24 14:57:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:24,859 INFO L481 AbstractCegarLoop]: Abstraction has 18758 states and 23310 transitions. [2018-10-24 14:57:24,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18758 states and 23310 transitions. [2018-10-24 14:57:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-24 14:57:24,882 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:24,883 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:24,883 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:24,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:24,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1318738352, now seen corresponding path program 1 times [2018-10-24 14:57:24,883 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:24,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:24,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:24,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:24,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:57:25,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:57:25,135 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-10-24 14:57:25,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:25,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:57:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 14:57:25,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:57:25,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-10-24 14:57:25,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 14:57:25,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 14:57:25,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-24 14:57:25,549 INFO L87 Difference]: Start difference. First operand 18758 states and 23310 transitions. Second operand 7 states. [2018-10-24 14:57:25,741 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-24 14:57:33,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:33,220 INFO L93 Difference]: Finished difference Result 69841 states and 87508 transitions. [2018-10-24 14:57:33,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 14:57:33,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2018-10-24 14:57:33,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:33,320 INFO L225 Difference]: With dead ends: 69841 [2018-10-24 14:57:33,320 INFO L226 Difference]: Without dead ends: 51085 [2018-10-24 14:57:33,347 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-10-24 14:57:33,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51085 states. [2018-10-24 14:57:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51085 to 51065. [2018-10-24 14:57:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51065 states. [2018-10-24 14:57:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51065 states to 51065 states and 59497 transitions. [2018-10-24 14:57:34,472 INFO L78 Accepts]: Start accepts. Automaton has 51065 states and 59497 transitions. Word has length 250 [2018-10-24 14:57:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:34,472 INFO L481 AbstractCegarLoop]: Abstraction has 51065 states and 59497 transitions. [2018-10-24 14:57:34,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 14:57:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 51065 states and 59497 transitions. [2018-10-24 14:57:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-24 14:57:34,525 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:34,525 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 14:57:34,525 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:34,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:34,526 INFO L82 PathProgramCache]: Analyzing trace with hash 63592070, now seen corresponding path program 1 times [2018-10-24 14:57:34,526 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:34,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:34,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:34,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:34,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-24 14:57:34,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:34,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:57:34,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:34,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:34,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:34,781 INFO L87 Difference]: Start difference. First operand 51065 states and 59497 transitions. Second operand 3 states. [2018-10-24 14:57:36,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:36,049 INFO L93 Difference]: Finished difference Result 102124 states and 118988 transitions. [2018-10-24 14:57:36,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:36,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 331 [2018-10-24 14:57:36,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:36,114 INFO L225 Difference]: With dead ends: 102124 [2018-10-24 14:57:36,114 INFO L226 Difference]: Without dead ends: 51061 [2018-10-24 14:57:36,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:36,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51061 states. [2018-10-24 14:57:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51061 to 51061. [2018-10-24 14:57:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51061 states. [2018-10-24 14:57:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51061 states to 51061 states and 59489 transitions. [2018-10-24 14:57:36,747 INFO L78 Accepts]: Start accepts. Automaton has 51061 states and 59489 transitions. Word has length 331 [2018-10-24 14:57:36,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:36,747 INFO L481 AbstractCegarLoop]: Abstraction has 51061 states and 59489 transitions. [2018-10-24 14:57:36,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 51061 states and 59489 transitions. [2018-10-24 14:57:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-10-24 14:57:36,775 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:36,776 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:36,776 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:36,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:36,776 INFO L82 PathProgramCache]: Analyzing trace with hash 185165231, now seen corresponding path program 1 times [2018-10-24 14:57:36,776 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:36,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:36,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:36,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:36,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:57:37,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:37,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:57:37,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:57:37,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:57:37,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:37,302 INFO L87 Difference]: Start difference. First operand 51061 states and 59489 transitions. Second operand 4 states. [2018-10-24 14:57:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:39,052 INFO L93 Difference]: Finished difference Result 195234 states and 227813 transitions. [2018-10-24 14:57:39,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:57:39,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2018-10-24 14:57:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:39,238 INFO L225 Difference]: With dead ends: 195234 [2018-10-24 14:57:39,238 INFO L226 Difference]: Without dead ends: 144175 [2018-10-24 14:57:39,290 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:39,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144175 states. [2018-10-24 14:57:40,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144175 to 95566. [2018-10-24 14:57:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95566 states. [2018-10-24 14:57:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95566 states to 95566 states and 111563 transitions. [2018-10-24 14:57:40,524 INFO L78 Accepts]: Start accepts. Automaton has 95566 states and 111563 transitions. Word has length 343 [2018-10-24 14:57:40,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:40,525 INFO L481 AbstractCegarLoop]: Abstraction has 95566 states and 111563 transitions. [2018-10-24 14:57:40,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:57:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 95566 states and 111563 transitions. [2018-10-24 14:57:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-10-24 14:57:40,561 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:40,562 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:40,562 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:40,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:40,562 INFO L82 PathProgramCache]: Analyzing trace with hash 385414192, now seen corresponding path program 1 times [2018-10-24 14:57:40,562 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:40,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:40,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:40,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:40,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-24 14:57:40,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:40,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:57:40,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:57:40,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:57:40,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:40,879 INFO L87 Difference]: Start difference. First operand 95566 states and 111563 transitions. Second operand 4 states. [2018-10-24 14:57:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:44,060 INFO L93 Difference]: Finished difference Result 198511 states and 232030 transitions. [2018-10-24 14:57:44,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:57:44,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 347 [2018-10-24 14:57:44,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:44,182 INFO L225 Difference]: With dead ends: 198511 [2018-10-24 14:57:44,183 INFO L226 Difference]: Without dead ends: 102947 [2018-10-24 14:57:44,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:57:44,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102947 states. [2018-10-24 14:57:45,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102947 to 102928. [2018-10-24 14:57:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102928 states. [2018-10-24 14:57:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102928 states to 102928 states and 119931 transitions. [2018-10-24 14:57:45,238 INFO L78 Accepts]: Start accepts. Automaton has 102928 states and 119931 transitions. Word has length 347 [2018-10-24 14:57:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:45,238 INFO L481 AbstractCegarLoop]: Abstraction has 102928 states and 119931 transitions. [2018-10-24 14:57:45,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:57:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 102928 states and 119931 transitions. [2018-10-24 14:57:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-10-24 14:57:45,277 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:45,278 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:45,278 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:45,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:45,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2036430867, now seen corresponding path program 1 times [2018-10-24 14:57:45,278 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:45,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:45,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:45,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:45,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-10-24 14:57:46,867 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:57:46,867 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-10-24 14:57:46,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:47,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:57:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-24 14:57:47,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:57:47,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2018-10-24 14:57:47,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 14:57:47,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 14:57:47,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:57:47,331 INFO L87 Difference]: Start difference. First operand 102928 states and 119931 transitions. Second operand 6 states. [2018-10-24 14:57:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:51,341 INFO L93 Difference]: Finished difference Result 209741 states and 244270 transitions. [2018-10-24 14:57:51,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 14:57:51,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 349 [2018-10-24 14:57:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:51,483 INFO L225 Difference]: With dead ends: 209741 [2018-10-24 14:57:51,483 INFO L226 Difference]: Without dead ends: 106815 [2018-10-24 14:57:51,550 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-24 14:57:51,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106815 states. [2018-10-24 14:57:52,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106815 to 106186. [2018-10-24 14:57:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106186 states. [2018-10-24 14:57:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106186 states to 106186 states and 120715 transitions. [2018-10-24 14:57:52,910 INFO L78 Accepts]: Start accepts. Automaton has 106186 states and 120715 transitions. Word has length 349 [2018-10-24 14:57:52,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:52,911 INFO L481 AbstractCegarLoop]: Abstraction has 106186 states and 120715 transitions. [2018-10-24 14:57:52,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 14:57:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 106186 states and 120715 transitions. [2018-10-24 14:57:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-10-24 14:57:52,985 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:52,985 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:52,987 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:52,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:52,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1183289148, now seen corresponding path program 1 times [2018-10-24 14:57:52,988 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:52,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:52,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:52,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:52,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:57:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-10-24 14:57:54,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:57:54,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:57:54,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:57:54,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:57:54,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:54,155 INFO L87 Difference]: Start difference. First operand 106186 states and 120715 transitions. Second operand 3 states. [2018-10-24 14:57:57,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:57:57,314 INFO L93 Difference]: Finished difference Result 262194 states and 297306 transitions. [2018-10-24 14:57:57,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:57:57,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 400 [2018-10-24 14:57:57,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:57:57,468 INFO L225 Difference]: With dead ends: 262194 [2018-10-24 14:57:57,468 INFO L226 Difference]: Without dead ends: 156010 [2018-10-24 14:57:57,531 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:57:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156010 states. [2018-10-24 14:57:58,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156010 to 156006. [2018-10-24 14:57:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156006 states. [2018-10-24 14:57:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156006 states to 156006 states and 176252 transitions. [2018-10-24 14:57:58,975 INFO L78 Accepts]: Start accepts. Automaton has 156006 states and 176252 transitions. Word has length 400 [2018-10-24 14:57:58,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:57:58,976 INFO L481 AbstractCegarLoop]: Abstraction has 156006 states and 176252 transitions. [2018-10-24 14:57:58,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:57:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 156006 states and 176252 transitions. [2018-10-24 14:57:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-24 14:57:59,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:57:59,035 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:57:59,035 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:57:59,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:57:59,035 INFO L82 PathProgramCache]: Analyzing trace with hash -996888344, now seen corresponding path program 2 times [2018-10-24 14:57:59,036 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:57:59,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:57:59,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:59,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:57:59,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:57:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:58:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 126 proven. 4 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-10-24 14:58:00,312 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:58:00,313 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-10-24 14:58:00,322 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-24 14:58:00,474 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-24 14:58:00,474 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-24 14:58:00,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:58:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-24 14:58:00,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:58:00,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-24 14:58:00,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 14:58:00,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 14:58:00,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:58:00,630 INFO L87 Difference]: Start difference. First operand 156006 states and 176252 transitions. Second operand 6 states. [2018-10-24 14:58:06,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:58:06,233 INFO L93 Difference]: Finished difference Result 424833 states and 480519 transitions. [2018-10-24 14:58:06,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 14:58:06,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 408 [2018-10-24 14:58:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:58:06,525 INFO L225 Difference]: With dead ends: 424833 [2018-10-24 14:58:06,525 INFO L226 Difference]: Without dead ends: 268829 [2018-10-24 14:58:06,608 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-24 14:58:07,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268829 states. [2018-10-24 14:58:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268829 to 262480. [2018-10-24 14:58:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262480 states. [2018-10-24 14:58:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262480 states to 262480 states and 287400 transitions. [2018-10-24 14:58:10,619 INFO L78 Accepts]: Start accepts. Automaton has 262480 states and 287400 transitions. Word has length 408 [2018-10-24 14:58:10,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:58:10,619 INFO L481 AbstractCegarLoop]: Abstraction has 262480 states and 287400 transitions. [2018-10-24 14:58:10,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 14:58:10,620 INFO L276 IsEmpty]: Start isEmpty. Operand 262480 states and 287400 transitions. [2018-10-24 14:58:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-10-24 14:58:10,694 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:58:10,695 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 14:58:10,695 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:58:10,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:58:10,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1451375310, now seen corresponding path program 1 times [2018-10-24 14:58:10,696 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:58:10,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:58:10,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:10,697 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-24 14:58:10,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:58:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-24 14:58:11,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:58:11,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:58:11,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:58:11,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:58:11,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:58:11,033 INFO L87 Difference]: Start difference. First operand 262480 states and 287400 transitions. Second operand 3 states. [2018-10-24 14:58:13,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:58:13,451 INFO L93 Difference]: Finished difference Result 662287 states and 724547 transitions. [2018-10-24 14:58:13,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:58:13,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2018-10-24 14:58:13,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:58:13,925 INFO L225 Difference]: With dead ends: 662287 [2018-10-24 14:58:13,926 INFO L226 Difference]: Without dead ends: 399809 [2018-10-24 14:58:20,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:58:21,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399809 states. [2018-10-24 14:58:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399809 to 397148. [2018-10-24 14:58:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397148 states. [2018-10-24 14:58:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397148 states to 397148 states and 434374 transitions. [2018-10-24 14:58:26,120 INFO L78 Accepts]: Start accepts. Automaton has 397148 states and 434374 transitions. Word has length 408 [2018-10-24 14:58:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:58:26,121 INFO L481 AbstractCegarLoop]: Abstraction has 397148 states and 434374 transitions. [2018-10-24 14:58:26,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:58:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 397148 states and 434374 transitions. [2018-10-24 14:58:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2018-10-24 14:58:26,231 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:58:26,232 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 14:58:26,232 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:58:26,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:58:26,233 INFO L82 PathProgramCache]: Analyzing trace with hash 558565586, now seen corresponding path program 1 times [2018-10-24 14:58:26,233 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:58:26,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:58:26,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:26,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:58:26,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:58:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-24 14:58:26,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:58:26,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:58:26,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:58:26,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:58:26,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:58:26,787 INFO L87 Difference]: Start difference. First operand 397148 states and 434374 transitions. Second operand 3 states. [2018-10-24 14:58:31,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:58:31,031 INFO L93 Difference]: Finished difference Result 730093 states and 798388 transitions. [2018-10-24 14:58:31,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:58:31,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 483 [2018-10-24 14:58:31,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:58:31,416 INFO L225 Difference]: With dead ends: 730093 [2018-10-24 14:58:31,416 INFO L226 Difference]: Without dead ends: 332947 [2018-10-24 14:58:31,551 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:58:31,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332947 states. [2018-10-24 14:58:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332947 to 332527. [2018-10-24 14:58:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332527 states. [2018-10-24 14:58:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332527 states to 332527 states and 356288 transitions. [2018-10-24 14:58:36,602 INFO L78 Accepts]: Start accepts. Automaton has 332527 states and 356288 transitions. Word has length 483 [2018-10-24 14:58:36,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:58:36,603 INFO L481 AbstractCegarLoop]: Abstraction has 332527 states and 356288 transitions. [2018-10-24 14:58:36,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:58:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 332527 states and 356288 transitions. [2018-10-24 14:58:36,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2018-10-24 14:58:36,691 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:58:36,692 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 14:58:36,692 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:58:36,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:58:36,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1267603191, now seen corresponding path program 1 times [2018-10-24 14:58:36,693 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:58:36,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:58:36,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:36,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:58:36,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:58:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-24 14:58:38,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:58:38,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 14:58:38,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 14:58:38,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 14:58:38,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 14:58:38,342 INFO L87 Difference]: Start difference. First operand 332527 states and 356288 transitions. Second operand 6 states. [2018-10-24 14:58:48,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:58:48,848 INFO L93 Difference]: Finished difference Result 633333 states and 680976 transitions. [2018-10-24 14:58:48,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 14:58:48,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 500 [2018-10-24 14:58:48,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:58:49,134 INFO L225 Difference]: With dead ends: 633333 [2018-10-24 14:58:49,134 INFO L226 Difference]: Without dead ends: 300808 [2018-10-24 14:58:49,238 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-24 14:58:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300808 states. [2018-10-24 14:58:52,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300808 to 276989. [2018-10-24 14:58:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276989 states. [2018-10-24 14:58:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276989 states to 276989 states and 296555 transitions. [2018-10-24 14:58:52,506 INFO L78 Accepts]: Start accepts. Automaton has 276989 states and 296555 transitions. Word has length 500 [2018-10-24 14:58:52,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:58:52,506 INFO L481 AbstractCegarLoop]: Abstraction has 276989 states and 296555 transitions. [2018-10-24 14:58:52,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 14:58:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 276989 states and 296555 transitions. [2018-10-24 14:58:52,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2018-10-24 14:58:52,717 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:58:52,717 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 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, 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] [2018-10-24 14:58:52,717 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:58:52,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:58:52,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1677207499, now seen corresponding path program 1 times [2018-10-24 14:58:52,718 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:58:52,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:58:52,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:52,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:58:52,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:58:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:58:53,269 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 14:58:53,436 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-24 14:58:54,674 WARN L179 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-10-24 14:58:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 798 proven. 94 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2018-10-24 14:58:56,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:58:56,315 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-10-24 14:58:56,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:58:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:58:56,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:58:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 882 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2018-10-24 14:58:57,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:58:57,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 12 [2018-10-24 14:58:57,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 14:58:57,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 14:58:57,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-10-24 14:58:57,152 INFO L87 Difference]: Start difference. First operand 276989 states and 296555 transitions. Second operand 12 states. [2018-10-24 14:58:58,136 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-24 14:59:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:59:06,080 INFO L93 Difference]: Finished difference Result 663724 states and 710015 transitions. [2018-10-24 14:59:06,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 14:59:06,080 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 719 [2018-10-24 14:59:06,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:59:06,557 INFO L225 Difference]: With dead ends: 663724 [2018-10-24 14:59:06,557 INFO L226 Difference]: Without dead ends: 386737 [2018-10-24 14:59:07,446 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 721 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-10-24 14:59:07,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386737 states. [2018-10-24 14:59:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386737 to 342394. [2018-10-24 14:59:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342394 states. [2018-10-24 14:59:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342394 states to 342394 states and 363941 transitions. [2018-10-24 14:59:12,836 INFO L78 Accepts]: Start accepts. Automaton has 342394 states and 363941 transitions. Word has length 719 [2018-10-24 14:59:12,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:59:12,837 INFO L481 AbstractCegarLoop]: Abstraction has 342394 states and 363941 transitions. [2018-10-24 14:59:12,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 14:59:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 342394 states and 363941 transitions. [2018-10-24 14:59:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2018-10-24 14:59:13,067 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:59:13,067 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 13, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:59:13,067 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:59:13,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:59:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1195832830, now seen corresponding path program 1 times [2018-10-24 14:59:13,068 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:59:13,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:59:13,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:59:13,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:59:13,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:59:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:59:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2653 backedges. 987 proven. 9 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2018-10-24 14:59:13,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:59:13,718 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-10-24 14:59:14,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:59:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:59:14,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:59:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2653 backedges. 986 proven. 0 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2018-10-24 14:59:15,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:59:15,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-10-24 14:59:15,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 14:59:15,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 14:59:15,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 14:59:15,159 INFO L87 Difference]: Start difference. First operand 342394 states and 363941 transitions. Second operand 7 states. [2018-10-24 14:59:24,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:59:24,870 INFO L93 Difference]: Finished difference Result 1302125 states and 1384990 transitions. [2018-10-24 14:59:24,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 14:59:24,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 868 [2018-10-24 14:59:24,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:59:25,879 INFO L225 Difference]: With dead ends: 1302125 [2018-10-24 14:59:25,880 INFO L226 Difference]: Without dead ends: 959735 [2018-10-24 14:59:26,045 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 868 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-24 14:59:26,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959735 states. [2018-10-24 14:59:45,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959735 to 614251. [2018-10-24 14:59:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614251 states. [2018-10-24 14:59:45,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614251 states to 614251 states and 652747 transitions. [2018-10-24 14:59:45,979 INFO L78 Accepts]: Start accepts. Automaton has 614251 states and 652747 transitions. Word has length 868 [2018-10-24 14:59:45,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:59:45,979 INFO L481 AbstractCegarLoop]: Abstraction has 614251 states and 652747 transitions. [2018-10-24 14:59:45,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 14:59:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 614251 states and 652747 transitions. [2018-10-24 14:59:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2018-10-24 14:59:46,361 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:59:46,361 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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] [2018-10-24 14:59:46,361 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:59:46,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:59:46,362 INFO L82 PathProgramCache]: Analyzing trace with hash 949921322, now seen corresponding path program 1 times [2018-10-24 14:59:46,362 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:59:46,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:59:46,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:59:46,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:59:46,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:59:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:59:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 979 proven. 0 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2018-10-24 14:59:48,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:59:48,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:59:48,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:59:48,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:59:48,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:59:48,429 INFO L87 Difference]: Start difference. First operand 614251 states and 652747 transitions. Second operand 4 states. [2018-10-24 14:59:58,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:59:58,083 INFO L93 Difference]: Finished difference Result 1752020 states and 1862522 transitions. [2018-10-24 14:59:58,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:59:58,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 890 [2018-10-24 14:59:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:59:59,297 INFO L225 Difference]: With dead ends: 1752020 [2018-10-24 14:59:59,297 INFO L226 Difference]: Without dead ends: 1031373 [2018-10-24 14:59:59,477 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 15:00:00,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031373 states. [2018-10-24 15:00:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031373 to 703236. [2018-10-24 15:00:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703236 states. [2018-10-24 15:00:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703236 states to 703236 states and 745400 transitions. [2018-10-24 15:00:12,437 INFO L78 Accepts]: Start accepts. Automaton has 703236 states and 745400 transitions. Word has length 890 [2018-10-24 15:00:12,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 15:00:12,438 INFO L481 AbstractCegarLoop]: Abstraction has 703236 states and 745400 transitions. [2018-10-24 15:00:12,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 15:00:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 703236 states and 745400 transitions. [2018-10-24 15:00:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2018-10-24 15:00:12,866 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 15:00:12,866 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 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, 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, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 15:00:12,867 INFO L424 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 15:00:12,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 15:00:12,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1433051610, now seen corresponding path program 1 times [2018-10-24 15:00:12,867 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 15:00:12,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 15:00:12,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 15:00:12,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 15:00:12,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 15:00:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-24 15:00:22,665 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,667 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,668 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,669 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,669 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,669 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,669 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,670 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,670 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,670 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,670 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,670 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,671 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,671 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,671 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,671 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,672 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,672 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,672 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,672 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,673 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,673 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,673 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,673 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,673 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,674 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,674 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,674 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,674 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,675 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,675 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,675 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,675 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,676 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,676 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,676 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,676 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,677 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,677 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,677 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,677 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,678 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,678 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,678 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,678 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,678 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,679 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,679 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,679 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,679 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,680 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,680 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,680 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,680 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,681 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,682 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,682 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,682 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,683 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,683 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,683 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,683 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,684 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,684 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,684 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,684 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,685 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,685 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,685 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,685 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,686 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,686 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,686 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,686 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,687 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,687 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,687 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,687 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,687 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,688 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,688 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,688 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,688 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,690 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,691 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,693 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,694 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,695 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,696 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,697 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,698 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,699 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,700 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,701 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,704 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,705 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,706 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,709 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,711 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,714 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,716 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,717 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,718 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,719 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,720 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,722 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,723 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,724 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,730 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,731 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,732 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,733 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,734 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,735 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,736 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,737 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,737 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,737 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,737 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,739 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,739 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,739 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,739 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,740 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,742 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,743 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,744 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,745 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,746 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,747 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,748 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,749 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,749 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,749 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,749 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,750 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,750 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,750 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,750 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,751 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,751 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,751 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,751 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,751 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,751 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,751 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,752 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,752 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,752 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,752 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,752 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,752 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,752 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,753 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,753 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,753 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,753 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,753 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,753 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,754 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,754 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,754 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,754 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,755 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,755 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,755 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,755 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,756 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,756 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,756 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,756 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,757 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,757 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,757 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,757 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,757 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,758 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,758 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,758 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,758 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,758 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,759 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,759 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,759 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,759 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,760 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,760 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,760 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,760 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,760 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,761 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,761 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,761 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,761 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,762 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,762 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,762 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,762 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,762 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,762 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,763 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,763 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,763 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,763 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,764 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,764 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,764 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,764 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,764 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,765 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,765 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,765 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,765 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,766 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,766 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,766 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,766 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,766 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,766 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,767 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,768 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,768 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,768 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,768 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,768 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,768 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,768 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,769 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,769 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,769 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,769 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,769 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,769 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,769 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,771 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,771 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,771 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,771 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,771 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,771 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,772 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,773 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,773 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,773 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,773 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,773 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,773 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,773 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,775 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,775 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,775 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,775 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,775 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,775 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,776 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,776 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,776 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,776 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,776 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,777 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,777 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,777 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,777 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,777 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,778 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,778 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,778 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,778 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,779 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,779 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,779 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,779 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,780 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,780 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,780 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,780 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,781 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,781 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,781 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,781 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,781 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,782 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,782 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,782 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,782 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,783 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,783 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,783 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,783 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,783 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,784 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,784 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,784 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,784 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,784 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,785 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,785 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,785 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,785 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,786 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,786 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,786 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,786 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,786 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,787 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,787 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,787 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,787 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,788 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,788 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,788 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,788 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,788 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,791 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,794 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,799 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,802 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,804 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,812 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,813 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,815 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,817 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,818 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,820 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,822 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,823 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,825 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,827 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,828 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,828 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,828 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,828 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,830 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,832 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,835 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,837 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,839 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,840 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,842 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,844 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,846 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-24 15:00:22,856 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 15:00:22,860 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 15:00:22,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:00:22 BoogieIcfgContainer [2018-10-24 15:00:22,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 15:00:22,861 INFO L168 Benchmark]: Toolchain (without parser) took 209624.90 ms. Allocated memory was 1.5 GB in the beginning and 6.6 GB in the end (delta: 5.0 GB). Free memory was 1.4 GB in the beginning and 4.6 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.7 GB. Max. memory is 7.1 GB. [2018-10-24 15:00:22,862 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-24 15:00:22,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1143.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-10-24 15:00:22,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 305.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -886.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2018-10-24 15:00:22,864 INFO L168 Benchmark]: Boogie Preprocessor took 102.38 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-10-24 15:00:22,865 INFO L168 Benchmark]: RCFGBuilder took 5130.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 248.9 MB). Peak memory consumption was 248.9 MB. Max. memory is 7.1 GB. [2018-10-24 15:00:22,866 INFO L168 Benchmark]: TraceAbstraction took 202937.89 ms. Allocated memory was 2.3 GB in the beginning and 6.6 GB in the end (delta: 4.3 GB). Free memory was 2.0 GB in the beginning and 4.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 5.5 GB. Max. memory is 7.1 GB. [2018-10-24 15:00:22,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1143.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 305.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 761.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -886.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.38 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5130.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 248.9 MB). Peak memory consumption was 248.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202937.89 ms. Allocated memory was 2.3 GB in the beginning and 6.6 GB in the end (delta: 4.3 GB). Free memory was 2.0 GB in the beginning and 4.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 5.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1632]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1632). Cancelled while BasicCegarLoop was analyzing trace of length 926 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 924 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. TIMEOUT Result, 202.8s OverallTime, 23 OverallIterations, 14 TraceHistogramMax, 106.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6161 SDtfs, 18300 SDslu, 6740 SDs, 0 SdLazy, 27666 SolverSat, 5054 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2707 GetRequests, 2626 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=703236occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 63.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 803344 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 10955 NumberOfCodeBlocks, 10955 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 10928 ConstructedInterpolants, 0 QuantifiedInterpolants, 15495814 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4221 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 27 InterpolantComputations, 22 PerfectInterpolantSequences, 14535/14654 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown