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/loop-new/nested_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:33:24,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:33:24,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:33:24,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:33:24,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:33:24,537 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:33:24,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:33:24,540 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:33:24,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:33:24,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:33:24,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:33:24,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:33:24,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:33:24,546 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:33:24,547 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:33:24,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:33:24,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:33:24,553 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:33:24,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:33:24,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:33:24,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:33:24,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:33:24,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:33:24,573 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:33:24,573 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:33:24,574 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:33:24,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:33:24,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:33:24,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:33:24,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:33:24,582 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:33:24,582 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:33:24,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:33:24,584 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:33:24,585 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:33:24,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:33:24,587 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 [2018-10-26 22:33:24,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:33:24,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:33:24,606 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:33:24,607 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:33:24,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:33:24,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:33:24,608 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:33:24,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:33:24,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:33:24,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:33:24,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:33:24,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:33:24,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:33:24,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:33:24,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:33:24,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:33:24,610 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:33:24,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:33:24,610 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:33:24,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:33:24,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:33:24,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:33:24,611 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:33:24,611 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:33:24,611 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:33:24,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:33:24,614 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:33:24,614 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 22:33:24,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:33:24,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:33:24,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:33:24,686 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:33:24,686 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:33:24,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-new/nested_true-unreach-call_true-termination.i [2018-10-26 22:33:24,750 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3059ebf28/4fa9dbec7e784d9e8bd55c72e18460f0/FLAG2910dd72c [2018-10-26 22:33:25,173 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:33:25,174 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/nested_true-unreach-call_true-termination.i [2018-10-26 22:33:25,180 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3059ebf28/4fa9dbec7e784d9e8bd55c72e18460f0/FLAG2910dd72c [2018-10-26 22:33:25,194 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3059ebf28/4fa9dbec7e784d9e8bd55c72e18460f0 [2018-10-26 22:33:25,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:33:25,207 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:33:25,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:33:25,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:33:25,212 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:33:25,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e875f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25, skipping insertion in model container [2018-10-26 22:33:25,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:33:25,250 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:33:25,470 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:33:25,474 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:33:25,495 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:33:25,512 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:33:25,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25 WrapperNode [2018-10-26 22:33:25,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:33:25,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:33:25,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:33:25,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:33:25,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:33:25,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:33:25,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:33:25,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:33:25,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (1/1) ... [2018-10-26 22:33:25,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:33:25,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:33:25,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:33:25,568 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:33:25,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (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 [2018-10-26 22:33:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:33:25,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:33:25,983 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:33:25,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:33:25 BoogieIcfgContainer [2018-10-26 22:33:25,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:33:25,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:33:25,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:33:25,988 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:33:25,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:33:25" (1/3) ... [2018-10-26 22:33:25,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c02f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:33:25, skipping insertion in model container [2018-10-26 22:33:25,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:33:25" (2/3) ... [2018-10-26 22:33:25,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c02f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:33:25, skipping insertion in model container [2018-10-26 22:33:25,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:33:25" (3/3) ... [2018-10-26 22:33:25,991 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_true-unreach-call_true-termination.i [2018-10-26 22:33:26,002 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:33:26,011 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:33:26,029 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:33:26,066 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:33:26,067 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:33:26,067 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:33:26,067 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:33:26,068 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:33:26,068 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:33:26,068 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:33:26,068 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:33:26,068 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:33:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-26 22:33:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:33:26,090 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:26,091 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:26,093 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:26,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:26,100 INFO L82 PathProgramCache]: Analyzing trace with hash 180211084, now seen corresponding path program 1 times [2018-10-26 22:33:26,102 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:26,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:26,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:26,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:26,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:33:26,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:33:26,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:33:26,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:33:26,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:33:26,239 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-10-26 22:33:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:26,262 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2018-10-26 22:33:26,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:33:26,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-10-26 22:33:26,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:26,272 INFO L225 Difference]: With dead ends: 32 [2018-10-26 22:33:26,272 INFO L226 Difference]: Without dead ends: 14 [2018-10-26 22:33:26,276 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:33:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-10-26 22:33:26,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-10-26 22:33:26,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-26 22:33:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-10-26 22:33:26,311 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 8 [2018-10-26 22:33:26,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:26,312 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-10-26 22:33:26,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:33:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-26 22:33:26,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 22:33:26,313 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:26,313 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:26,314 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:26,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:26,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1270630335, now seen corresponding path program 1 times [2018-10-26 22:33:26,314 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:26,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:26,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:26,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:26,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:33:26,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:33:26,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:33:26,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:33:26,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:33:26,502 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 4 states. [2018-10-26 22:33:26,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:26,685 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-10-26 22:33:26,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:33:26,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-10-26 22:33:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:26,687 INFO L225 Difference]: With dead ends: 24 [2018-10-26 22:33:26,687 INFO L226 Difference]: Without dead ends: 20 [2018-10-26 22:33:26,689 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:33:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-10-26 22:33:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2018-10-26 22:33:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-26 22:33:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-10-26 22:33:26,694 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 9 [2018-10-26 22:33:26,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:26,694 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-10-26 22:33:26,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:33:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-26 22:33:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 22:33:26,696 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:26,696 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:26,696 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:26,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:26,697 INFO L82 PathProgramCache]: Analyzing trace with hash 36607187, now seen corresponding path program 1 times [2018-10-26 22:33:26,697 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:26,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:26,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:26,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:26,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:33:26,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:33:26,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:33:26,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:33:26,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:33:26,783 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 4 states. [2018-10-26 22:33:26,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:26,891 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-10-26 22:33:26,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:33:26,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-10-26 22:33:26,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:26,895 INFO L225 Difference]: With dead ends: 29 [2018-10-26 22:33:26,895 INFO L226 Difference]: Without dead ends: 19 [2018-10-26 22:33:26,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:33:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-10-26 22:33:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2018-10-26 22:33:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-10-26 22:33:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-10-26 22:33:26,901 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2018-10-26 22:33:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:26,902 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-10-26 22:33:26,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:33:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-10-26 22:33:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:33:26,903 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:26,903 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:26,903 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:26,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:26,903 INFO L82 PathProgramCache]: Analyzing trace with hash -52325772, now seen corresponding path program 1 times [2018-10-26 22:33:26,904 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:26,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:26,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:26,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:26,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:26,996 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 [2018-10-26 22:33:27,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:27,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:27,230 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:27,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-10-26 22:33:27,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:33:27,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:33:27,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:33:27,231 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2018-10-26 22:33:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:27,460 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2018-10-26 22:33:27,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 22:33:27,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-10-26 22:33:27,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:27,461 INFO L225 Difference]: With dead ends: 34 [2018-10-26 22:33:27,461 INFO L226 Difference]: Without dead ends: 22 [2018-10-26 22:33:27,462 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:33:27,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-10-26 22:33:27,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-10-26 22:33:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-10-26 22:33:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-10-26 22:33:27,467 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2018-10-26 22:33:27,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:27,467 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-10-26 22:33:27,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:33:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-26 22:33:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:33:27,468 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:27,468 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:27,469 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:27,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:27,469 INFO L82 PathProgramCache]: Analyzing trace with hash 540714291, now seen corresponding path program 2 times [2018-10-26 22:33:27,469 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:27,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:27,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:27,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:27,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:27,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:27,577 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 [2018-10-26 22:33:27,593 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 22:33:27,634 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 22:33:27,634 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:27,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:27,731 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:27,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-10-26 22:33:27,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:33:27,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:33:27,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:33:27,733 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 9 states. [2018-10-26 22:33:27,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:27,794 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-10-26 22:33:27,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:33:27,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-10-26 22:33:27,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:27,796 INFO L225 Difference]: With dead ends: 40 [2018-10-26 22:33:27,798 INFO L226 Difference]: Without dead ends: 25 [2018-10-26 22:33:27,798 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:33:27,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-26 22:33:27,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-10-26 22:33:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-10-26 22:33:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-10-26 22:33:27,808 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2018-10-26 22:33:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:27,809 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-10-26 22:33:27,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:33:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-26 22:33:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 22:33:27,812 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:27,812 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:27,813 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:27,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:27,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1698224620, now seen corresponding path program 3 times [2018-10-26 22:33:27,813 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:27,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:27,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:27,815 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:27,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:33:28,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:28,066 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 [2018-10-26 22:33:28,077 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 22:33:28,089 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-26 22:33:28,089 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:28,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:33:28,198 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:28,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-10-26 22:33:28,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:33:28,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:33:28,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:33:28,199 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2018-10-26 22:33:28,623 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:33:29,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:29,035 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2018-10-26 22:33:29,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-26 22:33:29,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-10-26 22:33:29,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:29,037 INFO L225 Difference]: With dead ends: 80 [2018-10-26 22:33:29,037 INFO L226 Difference]: Without dead ends: 62 [2018-10-26 22:33:29,038 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=206, Invalid=394, Unknown=0, NotChecked=0, Total=600 [2018-10-26 22:33:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-10-26 22:33:29,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 44. [2018-10-26 22:33:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-26 22:33:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-10-26 22:33:29,048 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2018-10-26 22:33:29,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:29,049 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-10-26 22:33:29,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:33:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-10-26 22:33:29,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 22:33:29,050 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:29,050 INFO L375 BasicCegarLoop]: trace histogram [10, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:29,051 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:29,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:29,051 INFO L82 PathProgramCache]: Analyzing trace with hash 902441535, now seen corresponding path program 4 times [2018-10-26 22:33:29,051 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:29,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:29,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:29,053 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:29,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 70 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:33:29,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:29,202 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 [2018-10-26 22:33:29,212 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 22:33:29,237 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 22:33:29,237 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:29,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 70 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:33:29,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:29,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-10-26 22:33:29,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-26 22:33:29,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-26 22:33:29,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:33:29,411 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 13 states. [2018-10-26 22:33:29,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:29,662 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2018-10-26 22:33:29,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:33:29,664 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-10-26 22:33:29,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:29,667 INFO L225 Difference]: With dead ends: 76 [2018-10-26 22:33:29,667 INFO L226 Difference]: Without dead ends: 52 [2018-10-26 22:33:29,669 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:33:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-10-26 22:33:29,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2018-10-26 22:33:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-26 22:33:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2018-10-26 22:33:29,685 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 43 [2018-10-26 22:33:29,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:29,685 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2018-10-26 22:33:29,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-26 22:33:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-10-26 22:33:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:33:29,688 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:29,688 INFO L375 BasicCegarLoop]: trace histogram [12, 10, 10, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:29,689 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:29,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:29,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1350619351, now seen corresponding path program 5 times [2018-10-26 22:33:29,690 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:29,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:29,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:29,691 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:29,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:33:30,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:30,061 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 [2018-10-26 22:33:30,078 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-26 22:33:30,107 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2018-10-26 22:33:30,107 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:30,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:33:30,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:30,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-10-26 22:33:30,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-26 22:33:30,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-26 22:33:30,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-10-26 22:33:30,267 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 15 states. [2018-10-26 22:33:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:30,373 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-10-26 22:33:30,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:33:30,376 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-10-26 22:33:30,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:30,377 INFO L225 Difference]: With dead ends: 85 [2018-10-26 22:33:30,377 INFO L226 Difference]: Without dead ends: 58 [2018-10-26 22:33:30,378 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-10-26 22:33:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-10-26 22:33:30,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2018-10-26 22:33:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-10-26 22:33:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-10-26 22:33:30,388 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 49 [2018-10-26 22:33:30,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:30,389 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-10-26 22:33:30,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-26 22:33:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-10-26 22:33:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 22:33:30,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:30,392 INFO L375 BasicCegarLoop]: trace histogram [14, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:30,393 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:30,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:30,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1763537601, now seen corresponding path program 6 times [2018-10-26 22:33:30,393 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:30,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:30,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:30,395 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:30,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 138 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-26 22:33:30,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:30,602 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:30,610 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-26 22:33:30,636 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2018-10-26 22:33:30,636 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:30,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-26 22:33:30,796 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:30,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2018-10-26 22:33:30,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-26 22:33:30,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-26 22:33:30,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-10-26 22:33:30,798 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 14 states. [2018-10-26 22:33:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:31,896 INFO L93 Difference]: Finished difference Result 146 states and 156 transitions. [2018-10-26 22:33:31,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-26 22:33:31,903 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-10-26 22:33:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:31,904 INFO L225 Difference]: With dead ends: 146 [2018-10-26 22:33:31,904 INFO L226 Difference]: Without dead ends: 116 [2018-10-26 22:33:31,906 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=668, Invalid=1402, Unknown=0, NotChecked=0, Total=2070 [2018-10-26 22:33:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-26 22:33:31,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2018-10-26 22:33:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-26 22:33:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 91 transitions. [2018-10-26 22:33:31,921 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 91 transitions. Word has length 55 [2018-10-26 22:33:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:31,922 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 91 transitions. [2018-10-26 22:33:31,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-26 22:33:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2018-10-26 22:33:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 22:33:31,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:31,924 INFO L375 BasicCegarLoop]: trace histogram [24, 21, 21, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:31,925 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:31,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1929818046, now seen corresponding path program 7 times [2018-10-26 22:33:31,925 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:31,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:31,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:31,930 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:31,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 360 proven. 77 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-10-26 22:33:32,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:32,124 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:32,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:32,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 360 proven. 77 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-10-26 22:33:32,350 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:32,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-10-26 22:33:32,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-26 22:33:32,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-26 22:33:32,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:33:32,352 INFO L87 Difference]: Start difference. First operand 88 states and 91 transitions. Second operand 19 states. [2018-10-26 22:33:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:32,431 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2018-10-26 22:33:32,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:33:32,439 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2018-10-26 22:33:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:32,440 INFO L225 Difference]: With dead ends: 159 [2018-10-26 22:33:32,440 INFO L226 Difference]: Without dead ends: 100 [2018-10-26 22:33:32,441 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:33:32,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-26 22:33:32,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2018-10-26 22:33:32,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-26 22:33:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 100 transitions. [2018-10-26 22:33:32,456 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 100 transitions. Word has length 87 [2018-10-26 22:33:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:32,456 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 100 transitions. [2018-10-26 22:33:32,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-26 22:33:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 100 transitions. [2018-10-26 22:33:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 22:33:32,458 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:32,458 INFO L375 BasicCegarLoop]: trace histogram [27, 24, 24, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:32,459 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:32,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:32,459 INFO L82 PathProgramCache]: Analyzing trace with hash -739967533, now seen corresponding path program 8 times [2018-10-26 22:33:32,459 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:32,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:32,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:32,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:32,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 458 proven. 100 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-10-26 22:33:32,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:32,990 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:33,001 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 22:33:33,053 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 22:33:33,053 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:33,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 458 proven. 100 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-10-26 22:33:33,406 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:33,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-10-26 22:33:33,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-26 22:33:33,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-26 22:33:33,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-10-26 22:33:33,408 INFO L87 Difference]: Start difference. First operand 97 states and 100 transitions. Second operand 21 states. [2018-10-26 22:33:33,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:33,516 INFO L93 Difference]: Finished difference Result 174 states and 182 transitions. [2018-10-26 22:33:33,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 22:33:33,521 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 96 [2018-10-26 22:33:33,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:33,522 INFO L225 Difference]: With dead ends: 174 [2018-10-26 22:33:33,522 INFO L226 Difference]: Without dead ends: 109 [2018-10-26 22:33:33,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-10-26 22:33:33,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-10-26 22:33:33,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2018-10-26 22:33:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-10-26 22:33:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 109 transitions. [2018-10-26 22:33:33,538 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 109 transitions. Word has length 96 [2018-10-26 22:33:33,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:33,539 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 109 transitions. [2018-10-26 22:33:33,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-26 22:33:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 109 transitions. [2018-10-26 22:33:33,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:33:33,541 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:33,543 INFO L375 BasicCegarLoop]: trace histogram [30, 27, 27, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:33,543 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:33,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:33,544 INFO L82 PathProgramCache]: Analyzing trace with hash 2013980510, now seen corresponding path program 9 times [2018-10-26 22:33:33,544 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:33,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:33,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:33,548 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:33,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 568 proven. 126 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2018-10-26 22:33:33,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:33,788 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:33,799 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 22:33:33,900 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-10-26 22:33:33,900 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:33,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 570 proven. 126 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2018-10-26 22:33:34,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:34,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-10-26 22:33:34,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-26 22:33:34,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-26 22:33:34,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-10-26 22:33:34,150 INFO L87 Difference]: Start difference. First operand 106 states and 109 transitions. Second operand 23 states. [2018-10-26 22:33:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:34,278 INFO L93 Difference]: Finished difference Result 189 states and 197 transitions. [2018-10-26 22:33:34,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 22:33:34,278 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 105 [2018-10-26 22:33:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:34,279 INFO L225 Difference]: With dead ends: 189 [2018-10-26 22:33:34,279 INFO L226 Difference]: Without dead ends: 118 [2018-10-26 22:33:34,280 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=340, Unknown=0, NotChecked=0, Total=552 [2018-10-26 22:33:34,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-10-26 22:33:34,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2018-10-26 22:33:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-26 22:33:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 118 transitions. [2018-10-26 22:33:34,292 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 118 transitions. Word has length 105 [2018-10-26 22:33:34,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:34,292 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 118 transitions. [2018-10-26 22:33:34,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-26 22:33:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 118 transitions. [2018-10-26 22:33:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:33:34,294 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:34,294 INFO L375 BasicCegarLoop]: trace histogram [33, 30, 30, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:34,294 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:34,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:34,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2140116173, now seen corresponding path program 10 times [2018-10-26 22:33:34,295 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:34,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:34,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:34,296 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:34,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1041 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-10-26 22:33:34,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:34,619 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:34,627 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 22:33:34,686 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 22:33:34,686 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:34,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1041 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-10-26 22:33:34,927 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:34,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-10-26 22:33:34,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 22:33:34,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 22:33:34,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:33:34,929 INFO L87 Difference]: Start difference. First operand 115 states and 118 transitions. Second operand 11 states. [2018-10-26 22:33:35,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:35,134 INFO L93 Difference]: Finished difference Result 187 states and 192 transitions. [2018-10-26 22:33:35,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:33:35,137 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2018-10-26 22:33:35,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:35,138 INFO L225 Difference]: With dead ends: 187 [2018-10-26 22:33:35,138 INFO L226 Difference]: Without dead ends: 183 [2018-10-26 22:33:35,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:33:35,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-10-26 22:33:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 150. [2018-10-26 22:33:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-10-26 22:33:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2018-10-26 22:33:35,154 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 114 [2018-10-26 22:33:35,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:35,155 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2018-10-26 22:33:35,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 22:33:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2018-10-26 22:33:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:33:35,157 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:35,157 INFO L375 BasicCegarLoop]: trace histogram [44, 40, 40, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:35,157 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:35,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:35,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1460903615, now seen corresponding path program 11 times [2018-10-26 22:33:35,158 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:35,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:35,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:35,159 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:35,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 0 proven. 2078 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2018-10-26 22:33:35,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:35,414 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:35,422 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-26 22:33:35,486 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2018-10-26 22:33:35,487 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:35,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 0 proven. 2078 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2018-10-26 22:33:35,832 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:35,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-10-26 22:33:35,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-26 22:33:35,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-26 22:33:35,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:33:35,833 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 13 states. [2018-10-26 22:33:35,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:35,904 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2018-10-26 22:33:35,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:33:35,905 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-10-26 22:33:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:35,907 INFO L225 Difference]: With dead ends: 222 [2018-10-26 22:33:35,907 INFO L226 Difference]: Without dead ends: 218 [2018-10-26 22:33:35,907 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:33:35,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-10-26 22:33:35,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 185. [2018-10-26 22:33:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-10-26 22:33:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 190 transitions. [2018-10-26 22:33:35,924 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 190 transitions. Word has length 149 [2018-10-26 22:33:35,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:35,925 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 190 transitions. [2018-10-26 22:33:35,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-26 22:33:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 190 transitions. [2018-10-26 22:33:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 22:33:35,927 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:35,927 INFO L375 BasicCegarLoop]: trace histogram [55, 50, 50, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:35,928 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:35,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:35,928 INFO L82 PathProgramCache]: Analyzing trace with hash -799121485, now seen corresponding path program 12 times [2018-10-26 22:33:35,928 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:35,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:35,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:35,929 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:35,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4235 backedges. 0 proven. 3460 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2018-10-26 22:33:36,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:36,690 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:36,697 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-26 22:33:36,806 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 37 check-sat command(s) [2018-10-26 22:33:36,807 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:36,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4235 backedges. 0 proven. 3460 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2018-10-26 22:33:36,953 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:36,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-10-26 22:33:36,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-26 22:33:36,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-26 22:33:36,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-10-26 22:33:36,954 INFO L87 Difference]: Start difference. First operand 185 states and 190 transitions. Second operand 15 states. [2018-10-26 22:33:37,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:37,227 INFO L93 Difference]: Finished difference Result 257 states and 264 transitions. [2018-10-26 22:33:37,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:33:37,228 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 184 [2018-10-26 22:33:37,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:37,230 INFO L225 Difference]: With dead ends: 257 [2018-10-26 22:33:37,230 INFO L226 Difference]: Without dead ends: 253 [2018-10-26 22:33:37,231 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-10-26 22:33:37,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-10-26 22:33:37,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 220. [2018-10-26 22:33:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-10-26 22:33:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 226 transitions. [2018-10-26 22:33:37,252 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 226 transitions. Word has length 184 [2018-10-26 22:33:37,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:37,253 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 226 transitions. [2018-10-26 22:33:37,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-26 22:33:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 226 transitions. [2018-10-26 22:33:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 22:33:37,255 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:37,256 INFO L375 BasicCegarLoop]: trace histogram [66, 60, 60, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:37,256 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:37,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:37,256 INFO L82 PathProgramCache]: Analyzing trace with hash 962419263, now seen corresponding path program 13 times [2018-10-26 22:33:37,256 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:37,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:37,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:37,257 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:37,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6117 backedges. 0 proven. 5187 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-10-26 22:33:37,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:37,784 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:37,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:37,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6117 backedges. 0 proven. 5187 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-10-26 22:33:38,144 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:38,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-10-26 22:33:38,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-10-26 22:33:38,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-10-26 22:33:38,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2018-10-26 22:33:38,145 INFO L87 Difference]: Start difference. First operand 220 states and 226 transitions. Second operand 17 states. [2018-10-26 22:33:38,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:38,395 INFO L93 Difference]: Finished difference Result 292 states and 300 transitions. [2018-10-26 22:33:38,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 22:33:38,396 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 219 [2018-10-26 22:33:38,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:38,397 INFO L225 Difference]: With dead ends: 292 [2018-10-26 22:33:38,397 INFO L226 Difference]: Without dead ends: 288 [2018-10-26 22:33:38,400 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2018-10-26 22:33:38,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-10-26 22:33:38,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 255. [2018-10-26 22:33:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-10-26 22:33:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 262 transitions. [2018-10-26 22:33:38,424 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 262 transitions. Word has length 219 [2018-10-26 22:33:38,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:38,425 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 262 transitions. [2018-10-26 22:33:38,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-10-26 22:33:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 262 transitions. [2018-10-26 22:33:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-26 22:33:38,428 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:38,429 INFO L375 BasicCegarLoop]: trace histogram [77, 70, 70, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:38,429 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:38,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:38,429 INFO L82 PathProgramCache]: Analyzing trace with hash 255783987, now seen corresponding path program 14 times [2018-10-26 22:33:38,430 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:38,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:38,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:38,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:33:38,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 0 proven. 7259 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-10-26 22:33:39,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:39,354 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:39,363 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 22:33:39,438 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 22:33:39,438 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:39,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 0 proven. 7259 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-10-26 22:33:39,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:39,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-10-26 22:33:39,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-26 22:33:39,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-26 22:33:39,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:33:39,859 INFO L87 Difference]: Start difference. First operand 255 states and 262 transitions. Second operand 19 states. [2018-10-26 22:33:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:40,042 INFO L93 Difference]: Finished difference Result 327 states and 336 transitions. [2018-10-26 22:33:40,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:33:40,043 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 254 [2018-10-26 22:33:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:40,044 INFO L225 Difference]: With dead ends: 327 [2018-10-26 22:33:40,045 INFO L226 Difference]: Without dead ends: 323 [2018-10-26 22:33:40,045 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:33:40,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-10-26 22:33:40,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 290. [2018-10-26 22:33:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-10-26 22:33:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 298 transitions. [2018-10-26 22:33:40,070 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 298 transitions. Word has length 254 [2018-10-26 22:33:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:40,070 INFO L481 AbstractCegarLoop]: Abstraction has 290 states and 298 transitions. [2018-10-26 22:33:40,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-26 22:33:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 298 transitions. [2018-10-26 22:33:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 22:33:40,074 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:40,074 INFO L375 BasicCegarLoop]: trace histogram [88, 80, 80, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:40,074 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:40,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:40,074 INFO L82 PathProgramCache]: Analyzing trace with hash 984643007, now seen corresponding path program 15 times [2018-10-26 22:33:40,075 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:40,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:40,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:40,076 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:40,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10916 backedges. 0 proven. 9676 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-10-26 22:33:40,456 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:40,456 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:40,473 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 22:33:40,807 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) [2018-10-26 22:33:40,807 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:40,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10916 backedges. 0 proven. 9676 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-10-26 22:33:41,096 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:41,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-10-26 22:33:41,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-26 22:33:41,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-26 22:33:41,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-10-26 22:33:41,098 INFO L87 Difference]: Start difference. First operand 290 states and 298 transitions. Second operand 21 states. [2018-10-26 22:33:41,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:41,317 INFO L93 Difference]: Finished difference Result 362 states and 372 transitions. [2018-10-26 22:33:41,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 22:33:41,318 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 289 [2018-10-26 22:33:41,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:41,320 INFO L225 Difference]: With dead ends: 362 [2018-10-26 22:33:41,320 INFO L226 Difference]: Without dead ends: 358 [2018-10-26 22:33:41,321 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-10-26 22:33:41,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-10-26 22:33:41,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 325. [2018-10-26 22:33:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-10-26 22:33:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 334 transitions. [2018-10-26 22:33:41,355 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 334 transitions. Word has length 289 [2018-10-26 22:33:41,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:41,355 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 334 transitions. [2018-10-26 22:33:41,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-26 22:33:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 334 transitions. [2018-10-26 22:33:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-26 22:33:41,357 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:41,357 INFO L375 BasicCegarLoop]: trace histogram [99, 90, 90, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:41,358 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:41,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:41,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2140809395, now seen corresponding path program 16 times [2018-10-26 22:33:41,358 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:41,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:41,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:41,359 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:41,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13833 backedges. 0 proven. 12438 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2018-10-26 22:33:41,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:33:41,864 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:33:41,871 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 22:33:41,975 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 22:33:41,975 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:33:41,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:33:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 13833 backedges. 0 proven. 12438 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2018-10-26 22:33:42,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:33:42,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-10-26 22:33:42,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-26 22:33:42,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-26 22:33:42,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-10-26 22:33:42,478 INFO L87 Difference]: Start difference. First operand 325 states and 334 transitions. Second operand 23 states. [2018-10-26 22:33:42,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:42,697 INFO L93 Difference]: Finished difference Result 397 states and 408 transitions. [2018-10-26 22:33:42,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 22:33:42,698 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 324 [2018-10-26 22:33:42,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:42,700 INFO L225 Difference]: With dead ends: 397 [2018-10-26 22:33:42,700 INFO L226 Difference]: Without dead ends: 393 [2018-10-26 22:33:42,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=212, Invalid=340, Unknown=0, NotChecked=0, Total=552 [2018-10-26 22:33:42,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-10-26 22:33:42,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 360. [2018-10-26 22:33:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-10-26 22:33:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 370 transitions. [2018-10-26 22:33:42,733 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 370 transitions. Word has length 324 [2018-10-26 22:33:42,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:42,734 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 370 transitions. [2018-10-26 22:33:42,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-26 22:33:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 370 transitions. [2018-10-26 22:33:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-10-26 22:33:42,736 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:33:42,737 INFO L375 BasicCegarLoop]: trace histogram [110, 100, 100, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:33:42,737 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:33:42,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:33:42,737 INFO L82 PathProgramCache]: Analyzing trace with hash -880479937, now seen corresponding path program 17 times [2018-10-26 22:33:42,738 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:33:42,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:33:42,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:42,738 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:33:42,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:33:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:33:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 17095 backedges. 17077 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 22:33:48,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:33:48,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [104] imperfect sequences [] total 104 [2018-10-26 22:33:48,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-10-26 22:33:48,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-10-26 22:33:48,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5255, Invalid=5457, Unknown=0, NotChecked=0, Total=10712 [2018-10-26 22:33:48,769 INFO L87 Difference]: Start difference. First operand 360 states and 370 transitions. Second operand 104 states. [2018-10-26 22:33:52,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:33:52,346 INFO L93 Difference]: Finished difference Result 14895 states and 15355 transitions. [2018-10-26 22:33:52,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-10-26 22:33:52,346 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 359 [2018-10-26 22:33:52,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:33:52,347 INFO L225 Difference]: With dead ends: 14895 [2018-10-26 22:33:52,348 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:33:52,365 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=5359, Invalid=5561, Unknown=0, NotChecked=0, Total=10920 [2018-10-26 22:33:52,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:33:52,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:33:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:33:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:33:52,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-10-26 22:33:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:33:52,366 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:33:52,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-10-26 22:33:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:33:52,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:33:52,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:33:54,504 WARN L179 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 673 DAG size of output: 664 [2018-10-26 22:34:01,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:01,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:02,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:03,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:04,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:05,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:06,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:07,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:08,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:09,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:10,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:11,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:12,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:13,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:14,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:15,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:15,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:15,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:15,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:16,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:16,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:16,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:16,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:16,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:16,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:16,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:17,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:17,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:17,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:17,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:17,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:18,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:18,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:18,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:18,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:18,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:18,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:18,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:19,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:19,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:19,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:19,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:19,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:19,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:20,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:20,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:20,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:20,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:20,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:21,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:22,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:22,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:22,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:23,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:23,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:23,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:23,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:23,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:23,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:24,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:24,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:24,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:24,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:25,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:25,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:25,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:25,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:25,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:25,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:25,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:26,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:26,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:27,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:27,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:28,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:29,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:29,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:29,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:29,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:30,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:30,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:30,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:30,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:30,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:30,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:30,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:31,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:31,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:31,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:31,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:32,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:32,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:33,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:33,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:33,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:33,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:33,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:33,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:34,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:34,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:34,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:35,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:35,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:36,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:36,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:36,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:38,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:39,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:39,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:40,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:40,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:40,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:40,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:40,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:40,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:41,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:41,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:41,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:42,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:42,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:43,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:43,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:43,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:45,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:45,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:45,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:49,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:51,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:52,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:34:57,232 WARN L179 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 5175 DAG size of output: 1754 [2018-10-26 22:35:04,167 WARN L179 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 664 DAG size of output: 59 [2018-10-26 22:36:03,836 WARN L179 SmtUtils]: Spent 59.66 s on a formula simplification. DAG size of input: 1719 DAG size of output: 362 [2018-10-26 22:36:03,841 INFO L428 ceAbstractionStarter]: At program point L23(lines 10 24) the Hoare annotation is: true [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-26 22:36:03,842 INFO L428 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:36:03,842 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-10-26 22:36:03,843 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-10-26 22:36:03,843 INFO L421 ceAbstractionStarter]: At program point L17-4(lines 17 21) the Hoare annotation is: (let ((.cse0 (<= 10 ULTIMATE.start_main_~n~0)) (.cse1 (<= 10 ULTIMATE.start_main_~m~0))) (or (and .cse0 .cse1 (<= 60 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~i~0 6)) (and (<= ULTIMATE.start_main_~i~0 9) .cse0 .cse1 (<= 90 ULTIMATE.start_main_~k~0)) (and .cse0 (<= 70 ULTIMATE.start_main_~k~0) .cse1 (<= ULTIMATE.start_main_~i~0 7)) (and .cse0 .cse1 (<= ULTIMATE.start_main_~i~0 8) (<= 80 ULTIMATE.start_main_~k~0)) (and .cse0 .cse1 (<= 50 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~i~0 5)) (and .cse0 .cse1 (<= ULTIMATE.start_main_~i~0 3) (<= 30 ULTIMATE.start_main_~k~0)) (and (<= ULTIMATE.start_main_~i~0 2) .cse0 (<= 20 ULTIMATE.start_main_~k~0) .cse1) (and (<= 40 ULTIMATE.start_main_~k~0) .cse0 .cse1 (<= ULTIMATE.start_main_~i~0 4)) (and .cse0 .cse1 (<= 100 ULTIMATE.start_main_~k~0)) (and (<= ULTIMATE.start_main_~i~0 0) (<= 0 ULTIMATE.start_main_~k~0) .cse0 .cse1) (and .cse0 .cse1 (<= 10 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~i~0 1)))) [2018-10-26 22:36:03,843 INFO L425 ceAbstractionStarter]: For program point L17-5(lines 17 21) no Hoare annotation was computed. [2018-10-26 22:36:03,843 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-26 22:36:03,843 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-26 22:36:03,843 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-10-26 22:36:03,844 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2018-10-26 22:36:03,845 INFO L421 ceAbstractionStarter]: At program point L18-4(lines 18 20) the Hoare annotation is: (let ((.cse18 (<= ULTIMATE.start_main_~j~0 4)) (.cse2 (<= ULTIMATE.start_main_~j~0 1)) (.cse9 (<= ULTIMATE.start_main_~j~0 7)) (.cse15 (<= ULTIMATE.start_main_~j~0 6)) (.cse30 (<= ULTIMATE.start_main_~j~0 9)) (.cse20 (<= ULTIMATE.start_main_~j~0 5)) (.cse7 (<= ULTIMATE.start_main_~j~0 2)) (.cse19 (<= ULTIMATE.start_main_~j~0 0)) (.cse22 (<= ULTIMATE.start_main_~j~0 3)) (.cse0 (<= 10 ULTIMATE.start_main_~n~0)) (.cse32 (<= ULTIMATE.start_main_~j~0 8)) (.cse1 (<= 10 ULTIMATE.start_main_~m~0))) (let ((.cse26 (<= 20 ULTIMATE.start_main_~k~0)) (.cse10 (<= 40 ULTIMATE.start_main_~k~0)) (.cse12 (and .cse0 .cse32 .cse1)) (.cse34 (<= 30 ULTIMATE.start_main_~k~0)) (.cse36 (<= 70 ULTIMATE.start_main_~k~0)) (.cse35 (<= 60 ULTIMATE.start_main_~k~0)) (.cse37 (and .cse0 .cse1 .cse22)) (.cse4 (and .cse0 .cse1 .cse19)) (.cse23 (<= 80 ULTIMATE.start_main_~k~0)) (.cse28 (and .cse7 .cse0 .cse1)) (.cse27 (<= ULTIMATE.start_main_~i~0 2)) (.cse13 (<= ULTIMATE.start_main_~i~0 6)) (.cse39 (and .cse0 .cse20 .cse1)) (.cse11 (<= ULTIMATE.start_main_~i~0 3)) (.cse40 (<= 10 ULTIMATE.start_main_~k~0)) (.cse21 (<= ULTIMATE.start_main_~i~0 1)) (.cse29 (<= 50 ULTIMATE.start_main_~k~0)) (.cse8 (<= ULTIMATE.start_main_~i~0 4)) (.cse31 (and .cse0 .cse1 .cse30)) (.cse38 (and .cse0 .cse1 .cse15)) (.cse25 (and .cse0 .cse1 .cse9)) (.cse5 (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~n~0)) (.cse14 (<= ULTIMATE.start_main_~i~0 0)) (.cse6 (<= 90 ULTIMATE.start_main_~k~0)) (.cse16 (and .cse0 .cse1 .cse2)) (.cse24 (<= ULTIMATE.start_main_~i~0 7)) (.cse17 (<= ULTIMATE.start_main_~i~0 8)) (.cse33 (and .cse0 .cse1 .cse18)) (.cse3 (<= ULTIMATE.start_main_~i~0 5))) (or (and .cse0 .cse1 (<= 51 ULTIMATE.start_main_~k~0) .cse2 .cse3) (and (and .cse4 .cse5) .cse6) (and (<= 42 ULTIMATE.start_main_~k~0) .cse7 .cse0 .cse1 .cse8) (and (<= 47 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse9 .cse8) (and .cse10 .cse0 .cse1 .cse11) (and (<= 68 ULTIMATE.start_main_~k~0) .cse12 .cse13) (and (and .cse0 .cse1 .cse5) (<= 100 ULTIMATE.start_main_~k~0)) (and .cse14 .cse0 (<= 6 ULTIMATE.start_main_~k~0) .cse1 .cse15) (and (and .cse16 .cse5) (<= 91 ULTIMATE.start_main_~k~0)) (and .cse16 .cse17 (<= 81 ULTIMATE.start_main_~k~0)) (and .cse0 .cse1 (<= 64 ULTIMATE.start_main_~k~0) .cse13 .cse18) (and .cse14 (<= 0 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse19) (and .cse0 .cse20 .cse1 (<= 15 ULTIMATE.start_main_~k~0) .cse21) (and (and .cse12 .cse5) (<= 98 ULTIMATE.start_main_~k~0)) (and .cse14 .cse0 .cse1 .cse22 (<= 3 ULTIMATE.start_main_~k~0)) (and .cse7 .cse0 .cse1 .cse13 (<= 62 ULTIMATE.start_main_~k~0)) (and .cse17 (<= 88 ULTIMATE.start_main_~k~0) .cse12) (and (<= 13 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse22 .cse21) (and .cse0 .cse1 .cse23 .cse24) (and (<= 57 ULTIMATE.start_main_~k~0) .cse25 .cse3) (and .cse0 .cse1 .cse2 .cse11 (<= 31 ULTIMATE.start_main_~k~0)) (and .cse0 .cse26 .cse1 .cse21) (and .cse27 (<= 21 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse2) (and (<= 35 ULTIMATE.start_main_~k~0) .cse0 .cse20 .cse1 .cse11) (and (<= 92 ULTIMATE.start_main_~k~0) (and .cse28 .cse5)) (and .cse12 .cse3 (<= 58 ULTIMATE.start_main_~k~0)) (and .cse14 .cse0 .cse1 .cse18 (<= 4 ULTIMATE.start_main_~k~0)) (and .cse4 .cse29 .cse3) (and .cse27 .cse0 .cse1 .cse26 .cse19) (and .cse14 (<= 2 ULTIMATE.start_main_~k~0) .cse7 .cse0 .cse1) (and (<= 54 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse3 .cse18) (and .cse14 .cse0 (<= 1 ULTIMATE.start_main_~k~0) .cse1 .cse2) (and .cse16 .cse13 (<= 61 ULTIMATE.start_main_~k~0)) (and .cse27 (<= 29 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse30) (and .cse10 .cse0 .cse1 .cse19 .cse8) (and .cse0 .cse1 (<= 66 ULTIMATE.start_main_~k~0) .cse13 .cse15) (and .cse17 .cse31 (<= 89 ULTIMATE.start_main_~k~0)) (and .cse0 .cse1 .cse15 (<= 46 ULTIMATE.start_main_~k~0) .cse8) (and .cse0 .cse32 .cse1 (<= 18 ULTIMATE.start_main_~k~0) .cse21) (and (and .cse33 .cse5) (<= 94 ULTIMATE.start_main_~k~0)) (and .cse0 .cse1 .cse19 .cse11 .cse34) (and .cse14 .cse0 (<= 5 ULTIMATE.start_main_~k~0) .cse20 .cse1) (and .cse27 (<= 28 ULTIMATE.start_main_~k~0) .cse0 .cse32 .cse1) (and (<= 19 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse21 .cse30) (and .cse0 .cse1 .cse35 .cse3) (and (<= 49 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse30 .cse8) (and .cse4 .cse36 .cse24) (and .cse0 .cse20 .cse1 (<= 45 ULTIMATE.start_main_~k~0) .cse8) (and (<= 78 ULTIMATE.start_main_~k~0) .cse12 .cse24) (and .cse0 (<= 39 ULTIMATE.start_main_~k~0) .cse1 .cse11 .cse30) (and .cse0 .cse1 (<= 43 ULTIMATE.start_main_~k~0) .cse22 .cse8) (and (<= 37 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse11 .cse9) (and .cse27 .cse0 .cse1 .cse34) (and .cse0 .cse1 .cse2 (<= 41 ULTIMATE.start_main_~k~0) .cse8) (and .cse0 .cse1 .cse36 .cse13) (and .cse25 .cse17 (<= 87 ULTIMATE.start_main_~k~0)) (and .cse0 .cse1 (<= 74 ULTIMATE.start_main_~k~0) .cse24 .cse18) (and .cse0 .cse20 .cse1 (<= 65 ULTIMATE.start_main_~k~0) .cse13) (and (<= 44 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse18 .cse8) (and .cse25 (<= 67 ULTIMATE.start_main_~k~0) .cse13) (and .cse4 .cse35 .cse13) (and .cse0 .cse1 .cse21 .cse15 (<= 16 ULTIMATE.start_main_~k~0)) (and .cse27 .cse0 (<= 27 ULTIMATE.start_main_~k~0) .cse1 .cse9) (and .cse37 (<= 83 ULTIMATE.start_main_~k~0) .cse17) (and .cse27 (<= 26 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse15) (and (<= 72 ULTIMATE.start_main_~k~0) .cse28 .cse24) (and .cse0 (<= 38 ULTIMATE.start_main_~k~0) .cse32 .cse1 .cse11) (and .cse27 .cse0 .cse20 .cse1 (<= 25 ULTIMATE.start_main_~k~0)) (and .cse7 .cse0 .cse1 (<= 32 ULTIMATE.start_main_~k~0) .cse11) (and .cse0 .cse1 .cse11 (<= 34 ULTIMATE.start_main_~k~0) .cse18) (and (and .cse37 .cse5) (<= 93 ULTIMATE.start_main_~k~0)) (and (<= 76 ULTIMATE.start_main_~k~0) .cse38 .cse24) (and .cse27 .cse7 .cse0 .cse1 (<= 22 ULTIMATE.start_main_~k~0)) (and .cse14 .cse0 .cse1 (<= 9 ULTIMATE.start_main_~k~0) .cse30) (and .cse0 .cse1 .cse22 (<= 73 ULTIMATE.start_main_~k~0) .cse24) (and .cse27 .cse0 .cse1 (<= 23 ULTIMATE.start_main_~k~0) .cse22) (and (<= 77 ULTIMATE.start_main_~k~0) .cse25 .cse24) (and .cse0 .cse1 (<= 63 ULTIMATE.start_main_~k~0) .cse22 .cse13) (and .cse0 .cse32 .cse1 (<= 48 ULTIMATE.start_main_~k~0) .cse8) (and .cse0 .cse20 .cse1 (<= 75 ULTIMATE.start_main_~k~0) .cse24) (and .cse7 .cse0 .cse1 .cse21 (<= 12 ULTIMATE.start_main_~k~0)) (and .cse4 .cse17 .cse23) (and (<= 79 ULTIMATE.start_main_~k~0) .cse31 .cse24) (and (<= 59 ULTIMATE.start_main_~k~0) .cse31 .cse3) (and .cse28 (<= 82 ULTIMATE.start_main_~k~0) .cse17) (and .cse0 (<= 17 ULTIMATE.start_main_~k~0) .cse1 .cse9 .cse21) (and .cse38 .cse17 (<= 86 ULTIMATE.start_main_~k~0)) (and (<= 85 ULTIMATE.start_main_~k~0) .cse17 .cse39) (and .cse0 .cse1 .cse21 (<= 14 ULTIMATE.start_main_~k~0) .cse18) (and .cse27 .cse0 .cse1 .cse18 (<= 24 ULTIMATE.start_main_~k~0)) (and .cse0 .cse1 .cse3 (<= 56 ULTIMATE.start_main_~k~0) .cse15) (and (<= 69 ULTIMATE.start_main_~k~0) .cse31 .cse13) (and .cse14 .cse0 .cse1 .cse40) (and (<= 33 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse22 .cse11) (and .cse14 .cse0 .cse32 .cse1 (<= 8 ULTIMATE.start_main_~k~0)) (and (and .cse39 .cse5) (<= 95 ULTIMATE.start_main_~k~0)) (and .cse0 .cse1 .cse11 (<= 36 ULTIMATE.start_main_~k~0) .cse15) (and .cse0 .cse40 .cse1 .cse19 .cse21) (and .cse0 .cse1 (<= 11 ULTIMATE.start_main_~k~0) .cse2 .cse21) (and .cse0 .cse1 .cse29 .cse8) (and (and .cse31 .cse5) (<= 99 ULTIMATE.start_main_~k~0)) (and (<= 96 ULTIMATE.start_main_~k~0) (and .cse38 .cse5)) (and (<= 97 ULTIMATE.start_main_~k~0) (and .cse25 .cse5)) (and .cse14 .cse0 .cse1 (<= 7 ULTIMATE.start_main_~k~0) .cse9) (and .cse0 .cse1 .cse17 .cse6) (and .cse0 .cse20 .cse1 .cse3 (<= 55 ULTIMATE.start_main_~k~0)) (and .cse16 .cse24 (<= 71 ULTIMATE.start_main_~k~0)) (and .cse17 (<= 84 ULTIMATE.start_main_~k~0) .cse33) (and .cse7 .cse0 .cse1 (<= 52 ULTIMATE.start_main_~k~0) .cse3) (and (<= 53 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse22 .cse3)))) [2018-10-26 22:36:03,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:36:03 BoogieIcfgContainer [2018-10-26 22:36:03,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:36:03,918 INFO L168 Benchmark]: Toolchain (without parser) took 158712.02 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-26 22:36:03,921 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. [2018-10-26 22:36:03,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.85 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-26 22:36:03,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:36:03,923 INFO L168 Benchmark]: Boogie Preprocessor took 18.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 22:36:03,923 INFO L168 Benchmark]: RCFGBuilder took 415.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-26 22:36:03,928 INFO L168 Benchmark]: TraceAbstraction took 157932.67 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 3.0 GB in the end (delta: -799.9 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-10-26 22:36:03,934 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 305.85 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 415.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -801.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 157932.67 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 3.0 GB in the end (delta: -799.9 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((((10 <= n && 10 <= m) && 60 <= k) && i <= 6) || (((i <= 9 && 10 <= n) && 10 <= m) && 90 <= k)) || (((10 <= n && 70 <= k) && 10 <= m) && i <= 7)) || (((10 <= n && 10 <= m) && i <= 8) && 80 <= k)) || (((10 <= n && 10 <= m) && 50 <= k) && i <= 5)) || (((10 <= n && 10 <= m) && i <= 3) && 30 <= k)) || (((i <= 2 && 10 <= n) && 20 <= k) && 10 <= m)) || (((40 <= k && 10 <= n) && 10 <= m) && i <= 4)) || ((10 <= n && 10 <= m) && 100 <= k)) || (((i <= 0 && 0 <= k) && 10 <= n) && 10 <= m)) || (((10 <= n && 10 <= m) && 10 <= k) && i <= 1) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((10 <= n && 10 <= m) && 51 <= k) && j <= 1) && i <= 5) || ((((10 <= n && 10 <= m) && j <= 0) && i + 1 <= n) && 90 <= k)) || ((((42 <= k && j <= 2) && 10 <= n) && 10 <= m) && i <= 4)) || ((((47 <= k && 10 <= n) && 10 <= m) && j <= 7) && i <= 4)) || (((40 <= k && 10 <= n) && 10 <= m) && i <= 3)) || ((68 <= k && (10 <= n && j <= 8) && 10 <= m) && i <= 6)) || (((10 <= n && 10 <= m) && i + 1 <= n) && 100 <= k)) || ((((i <= 0 && 10 <= n) && 6 <= k) && 10 <= m) && j <= 6)) || ((((10 <= n && 10 <= m) && j <= 1) && i + 1 <= n) && 91 <= k)) || ((((10 <= n && 10 <= m) && j <= 1) && i <= 8) && 81 <= k)) || ((((10 <= n && 10 <= m) && 64 <= k) && i <= 6) && j <= 4)) || ((((i <= 0 && 0 <= k) && 10 <= n) && 10 <= m) && j <= 0)) || ((((10 <= n && j <= 5) && 10 <= m) && 15 <= k) && i <= 1)) || ((((10 <= n && j <= 8) && 10 <= m) && i + 1 <= n) && 98 <= k)) || ((((i <= 0 && 10 <= n) && 10 <= m) && j <= 3) && 3 <= k)) || ((((j <= 2 && 10 <= n) && 10 <= m) && i <= 6) && 62 <= k)) || ((i <= 8 && 88 <= k) && (10 <= n && j <= 8) && 10 <= m)) || ((((13 <= k && 10 <= n) && 10 <= m) && j <= 3) && i <= 1)) || (((10 <= n && 10 <= m) && 80 <= k) && i <= 7)) || ((57 <= k && (10 <= n && 10 <= m) && j <= 7) && i <= 5)) || ((((10 <= n && 10 <= m) && j <= 1) && i <= 3) && 31 <= k)) || (((10 <= n && 20 <= k) && 10 <= m) && i <= 1)) || ((((i <= 2 && 21 <= k) && 10 <= n) && 10 <= m) && j <= 1)) || ((((35 <= k && 10 <= n) && j <= 5) && 10 <= m) && i <= 3)) || (92 <= k && ((j <= 2 && 10 <= n) && 10 <= m) && i + 1 <= n)) || ((((10 <= n && j <= 8) && 10 <= m) && i <= 5) && 58 <= k)) || ((((i <= 0 && 10 <= n) && 10 <= m) && j <= 4) && 4 <= k)) || ((((10 <= n && 10 <= m) && j <= 0) && 50 <= k) && i <= 5)) || ((((i <= 2 && 10 <= n) && 10 <= m) && 20 <= k) && j <= 0)) || ((((i <= 0 && 2 <= k) && j <= 2) && 10 <= n) && 10 <= m)) || ((((54 <= k && 10 <= n) && 10 <= m) && i <= 5) && j <= 4)) || ((((i <= 0 && 10 <= n) && 1 <= k) && 10 <= m) && j <= 1)) || ((((10 <= n && 10 <= m) && j <= 1) && i <= 6) && 61 <= k)) || ((((i <= 2 && 29 <= k) && 10 <= n) && 10 <= m) && j <= 9)) || ((((40 <= k && 10 <= n) && 10 <= m) && j <= 0) && i <= 4)) || ((((10 <= n && 10 <= m) && 66 <= k) && i <= 6) && j <= 6)) || ((i <= 8 && (10 <= n && 10 <= m) && j <= 9) && 89 <= k)) || ((((10 <= n && 10 <= m) && j <= 6) && 46 <= k) && i <= 4)) || ((((10 <= n && j <= 8) && 10 <= m) && 18 <= k) && i <= 1)) || ((((10 <= n && 10 <= m) && j <= 4) && i + 1 <= n) && 94 <= k)) || ((((10 <= n && 10 <= m) && j <= 0) && i <= 3) && 30 <= k)) || ((((i <= 0 && 10 <= n) && 5 <= k) && j <= 5) && 10 <= m)) || ((((i <= 2 && 28 <= k) && 10 <= n) && j <= 8) && 10 <= m)) || ((((19 <= k && 10 <= n) && 10 <= m) && i <= 1) && j <= 9)) || (((10 <= n && 10 <= m) && 60 <= k) && i <= 5)) || ((((49 <= k && 10 <= n) && 10 <= m) && j <= 9) && i <= 4)) || ((((10 <= n && 10 <= m) && j <= 0) && 70 <= k) && i <= 7)) || ((((10 <= n && j <= 5) && 10 <= m) && 45 <= k) && i <= 4)) || ((78 <= k && (10 <= n && j <= 8) && 10 <= m) && i <= 7)) || ((((10 <= n && 39 <= k) && 10 <= m) && i <= 3) && j <= 9)) || ((((10 <= n && 10 <= m) && 43 <= k) && j <= 3) && i <= 4)) || ((((37 <= k && 10 <= n) && 10 <= m) && i <= 3) && j <= 7)) || (((i <= 2 && 10 <= n) && 10 <= m) && 30 <= k)) || ((((10 <= n && 10 <= m) && j <= 1) && 41 <= k) && i <= 4)) || (((10 <= n && 10 <= m) && 70 <= k) && i <= 6)) || ((((10 <= n && 10 <= m) && j <= 7) && i <= 8) && 87 <= k)) || ((((10 <= n && 10 <= m) && 74 <= k) && i <= 7) && j <= 4)) || ((((10 <= n && j <= 5) && 10 <= m) && 65 <= k) && i <= 6)) || ((((44 <= k && 10 <= n) && 10 <= m) && j <= 4) && i <= 4)) || ((((10 <= n && 10 <= m) && j <= 7) && 67 <= k) && i <= 6)) || ((((10 <= n && 10 <= m) && j <= 0) && 60 <= k) && i <= 6)) || ((((10 <= n && 10 <= m) && i <= 1) && j <= 6) && 16 <= k)) || ((((i <= 2 && 10 <= n) && 27 <= k) && 10 <= m) && j <= 7)) || ((((10 <= n && 10 <= m) && j <= 3) && 83 <= k) && i <= 8)) || ((((i <= 2 && 26 <= k) && 10 <= n) && 10 <= m) && j <= 6)) || ((72 <= k && (j <= 2 && 10 <= n) && 10 <= m) && i <= 7)) || ((((10 <= n && 38 <= k) && j <= 8) && 10 <= m) && i <= 3)) || ((((i <= 2 && 10 <= n) && j <= 5) && 10 <= m) && 25 <= k)) || ((((j <= 2 && 10 <= n) && 10 <= m) && 32 <= k) && i <= 3)) || ((((10 <= n && 10 <= m) && i <= 3) && 34 <= k) && j <= 4)) || ((((10 <= n && 10 <= m) && j <= 3) && i + 1 <= n) && 93 <= k)) || ((76 <= k && (10 <= n && 10 <= m) && j <= 6) && i <= 7)) || ((((i <= 2 && j <= 2) && 10 <= n) && 10 <= m) && 22 <= k)) || ((((i <= 0 && 10 <= n) && 10 <= m) && 9 <= k) && j <= 9)) || ((((10 <= n && 10 <= m) && j <= 3) && 73 <= k) && i <= 7)) || ((((i <= 2 && 10 <= n) && 10 <= m) && 23 <= k) && j <= 3)) || ((77 <= k && (10 <= n && 10 <= m) && j <= 7) && i <= 7)) || ((((10 <= n && 10 <= m) && 63 <= k) && j <= 3) && i <= 6)) || ((((10 <= n && j <= 8) && 10 <= m) && 48 <= k) && i <= 4)) || ((((10 <= n && j <= 5) && 10 <= m) && 75 <= k) && i <= 7)) || ((((j <= 2 && 10 <= n) && 10 <= m) && i <= 1) && 12 <= k)) || ((((10 <= n && 10 <= m) && j <= 0) && i <= 8) && 80 <= k)) || ((79 <= k && (10 <= n && 10 <= m) && j <= 9) && i <= 7)) || ((59 <= k && (10 <= n && 10 <= m) && j <= 9) && i <= 5)) || ((((j <= 2 && 10 <= n) && 10 <= m) && 82 <= k) && i <= 8)) || ((((10 <= n && 17 <= k) && 10 <= m) && j <= 7) && i <= 1)) || ((((10 <= n && 10 <= m) && j <= 6) && i <= 8) && 86 <= k)) || ((85 <= k && i <= 8) && (10 <= n && j <= 5) && 10 <= m)) || ((((10 <= n && 10 <= m) && i <= 1) && 14 <= k) && j <= 4)) || ((((i <= 2 && 10 <= n) && 10 <= m) && j <= 4) && 24 <= k)) || ((((10 <= n && 10 <= m) && i <= 5) && 56 <= k) && j <= 6)) || ((69 <= k && (10 <= n && 10 <= m) && j <= 9) && i <= 6)) || (((i <= 0 && 10 <= n) && 10 <= m) && 10 <= k)) || ((((33 <= k && 10 <= n) && 10 <= m) && j <= 3) && i <= 3)) || ((((i <= 0 && 10 <= n) && j <= 8) && 10 <= m) && 8 <= k)) || ((((10 <= n && j <= 5) && 10 <= m) && i + 1 <= n) && 95 <= k)) || ((((10 <= n && 10 <= m) && i <= 3) && 36 <= k) && j <= 6)) || ((((10 <= n && 10 <= k) && 10 <= m) && j <= 0) && i <= 1)) || ((((10 <= n && 10 <= m) && 11 <= k) && j <= 1) && i <= 1)) || (((10 <= n && 10 <= m) && 50 <= k) && i <= 4)) || ((((10 <= n && 10 <= m) && j <= 9) && i + 1 <= n) && 99 <= k)) || (96 <= k && ((10 <= n && 10 <= m) && j <= 6) && i + 1 <= n)) || (97 <= k && ((10 <= n && 10 <= m) && j <= 7) && i + 1 <= n)) || ((((i <= 0 && 10 <= n) && 10 <= m) && 7 <= k) && j <= 7)) || (((10 <= n && 10 <= m) && i <= 8) && 90 <= k)) || ((((10 <= n && j <= 5) && 10 <= m) && i <= 5) && 55 <= k)) || ((((10 <= n && 10 <= m) && j <= 1) && i <= 7) && 71 <= k)) || ((i <= 8 && 84 <= k) && (10 <= n && 10 <= m) && j <= 4)) || ((((j <= 2 && 10 <= n) && 10 <= m) && 52 <= k) && i <= 5)) || ((((53 <= k && 10 <= n) && 10 <= m) && j <= 3) && i <= 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. SAFE Result, 157.7s OverallTime, 20 OverallIterations, 110 TraceHistogramMax, 8.3s AutomataDifference, 0.0s DeadEndRemovalTime, 131.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 803 SDtfs, 1511 SDslu, 2749 SDs, 0 SdLazy, 1158 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2329 GetRequests, 1953 SyntacticMatches, 0 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1962 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 297 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 5122 NumberOfFragments, 1943 HoareAnnotationTreeSize, 4 FomulaSimplifications, 6358835 FormulaSimplificationTreeSizeReduction, 64.8s HoareSimplificationTime, 4 FomulaSimplificationsInter, 52642 FormulaSimplificationTreeSizeReductionInter, 66.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 4446 NumberOfCodeBlocks, 4336 NumberOfCodeBlocksAsserted, 187 NumberOfCheckSat, 4410 ConstructedInterpolants, 0 QuantifiedInterpolants, 4903382 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3814 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 36 InterpolantComputations, 4 PerfectInterpolantSequences, 36346/119595 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...