java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -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-dd2f093 [2018-07-23 23:42:01,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 23:42:01,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 23:42:01,987 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 23:42:01,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 23:42:01,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 23:42:01,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 23:42:01,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 23:42:01,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 23:42:01,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 23:42:01,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 23:42:01,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 23:42:01,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 23:42:01,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 23:42:01,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 23:42:01,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 23:42:02,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 23:42:02,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 23:42:02,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 23:42:02,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 23:42:02,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 23:42:02,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 23:42:02,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 23:42:02,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 23:42:02,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 23:42:02,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 23:42:02,013 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 23:42:02,014 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 23:42:02,015 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 23:42:02,016 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 23:42:02,016 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 23:42:02,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 23:42:02,020 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-23 23:42:02,043 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 23:42:02,043 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 23:42:02,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 23:42:02,045 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-23 23:42:02,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-23 23:42:02,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-23 23:42:02,049 INFO L133 SettingsManager]: * Use SBE=true [2018-07-23 23:42:02,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 23:42:02,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 23:42:02,050 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 23:42:02,050 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 23:42:02,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 23:42:02,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 23:42:02,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 23:42:02,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 23:42:02,051 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 23:42:02,051 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 23:42:02,051 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 23:42:02,051 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 23:42:02,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 23:42:02,052 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 23:42:02,052 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 23:42:02,052 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 23:42:02,054 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-23 23:42:02,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 23:42:02,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 23:42:02,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 23:42:02,054 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 23:42:02,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 23:42:02,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 23:42:02,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 23:42:02,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 23:42:02,129 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 23:42:02,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/nested_true-unreach-call_true-termination.i [2018-07-23 23:42:02,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61429dd91/bfc3884bcc554425be7cdfd745d38998/FLAG57f6b7b46 [2018-07-23 23:42:02,617 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 23:42:02,618 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/nested_true-unreach-call_true-termination.i [2018-07-23 23:42:02,624 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61429dd91/bfc3884bcc554425be7cdfd745d38998/FLAG57f6b7b46 [2018-07-23 23:42:02,639 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61429dd91/bfc3884bcc554425be7cdfd745d38998 [2018-07-23 23:42:02,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 23:42:02,652 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 23:42:02,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 23:42:02,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 23:42:02,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 23:42:02,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:02,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb53505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02, skipping insertion in model container [2018-07-23 23:42:02,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:02,854 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 23:42:02,908 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 23:42:02,925 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 23:42:02,941 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 23:42:02,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02 WrapperNode [2018-07-23 23:42:02,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 23:42:02,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 23:42:02,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 23:42:02,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 23:42:02,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:02,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:02,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 23:42:02,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 23:42:02,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 23:42:02,988 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 23:42:02,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:02,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:02,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:02,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:03,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:03,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:03,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... [2018-07-23 23:42:03,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 23:42:03,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 23:42:03,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 23:42:03,009 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 23:42:03,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 23:42:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 23:42:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 23:42:03,390 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 23:42:03,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:42:03 BoogieIcfgContainer [2018-07-23 23:42:03,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 23:42:03,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 23:42:03,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 23:42:03,395 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 23:42:03,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 11:42:02" (1/3) ... [2018-07-23 23:42:03,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd36172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:42:03, skipping insertion in model container [2018-07-23 23:42:03,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 11:42:02" (2/3) ... [2018-07-23 23:42:03,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd36172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 11:42:03, skipping insertion in model container [2018-07-23 23:42:03,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 11:42:03" (3/3) ... [2018-07-23 23:42:03,399 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_true-unreach-call_true-termination.i [2018-07-23 23:42:03,408 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 23:42:03,420 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 23:42:03,464 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 23:42:03,465 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 23:42:03,465 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 23:42:03,466 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 23:42:03,466 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 23:42:03,466 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 23:42:03,466 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 23:42:03,466 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 23:42:03,466 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 23:42:03,480 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-23 23:42:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 23:42:03,487 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:03,488 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:03,488 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:03,494 INFO L82 PathProgramCache]: Analyzing trace with hash 180211084, now seen corresponding path program 1 times [2018-07-23 23:42:03,496 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:03,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:03,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:03,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:03,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:03,601 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:42:03,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 23:42:03,605 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-23 23:42:03,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-23 23:42:03,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-23 23:42:03,618 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-23 23:42:03,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:03,633 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2018-07-23 23:42:03,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-23 23:42:03,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-07-23 23:42:03,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:03,645 INFO L225 Difference]: With dead ends: 32 [2018-07-23 23:42:03,645 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 23:42:03,649 INFO L573 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 [2018-07-23 23:42:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 23:42:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 23:42:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 23:42:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-07-23 23:42:03,683 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 8 [2018-07-23 23:42:03,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:03,684 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-07-23 23:42:03,684 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-23 23:42:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-07-23 23:42:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 23:42:03,685 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:03,685 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:03,685 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:03,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1270630335, now seen corresponding path program 1 times [2018-07-23 23:42:03,685 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:03,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:03,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:03,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:03,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:03,849 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:42:03,849 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 23:42:03,856 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 23:42:03,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 23:42:03,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 23:42:03,857 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 4 states. [2018-07-23 23:42:03,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:03,969 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-07-23 23:42:03,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 23:42:03,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-07-23 23:42:03,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:03,971 INFO L225 Difference]: With dead ends: 24 [2018-07-23 23:42:03,971 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 23:42:03,972 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 23:42:03,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 23:42:03,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2018-07-23 23:42:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 23:42:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-07-23 23:42:03,979 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 9 [2018-07-23 23:42:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:03,979 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-07-23 23:42:03,979 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 23:42:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-07-23 23:42:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 23:42:03,981 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:03,981 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:03,983 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:03,983 INFO L82 PathProgramCache]: Analyzing trace with hash 36607187, now seen corresponding path program 1 times [2018-07-23 23:42:03,983 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:03,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:03,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:03,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:03,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:04,062 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:42:04,062 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 23:42:04,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 23:42:04,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 23:42:04,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 23:42:04,063 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 4 states. [2018-07-23 23:42:04,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:04,159 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-23 23:42:04,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 23:42:04,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-07-23 23:42:04,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:04,161 INFO L225 Difference]: With dead ends: 29 [2018-07-23 23:42:04,161 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 23:42:04,162 INFO L573 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 [2018-07-23 23:42:04,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 23:42:04,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2018-07-23 23:42:04,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 23:42:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-07-23 23:42:04,167 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2018-07-23 23:42:04,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:04,168 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-07-23 23:42:04,168 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 23:42:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-07-23 23:42:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 23:42:04,169 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:04,169 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:04,169 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:04,170 INFO L82 PathProgramCache]: Analyzing trace with hash -52325772, now seen corresponding path program 1 times [2018-07-23 23:42:04,170 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:04,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:04,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:04,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:04,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:04,440 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:04,440 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-07-23 23:42:04,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 23:42:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:04,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:04,750 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:04,750 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-07-23 23:42:04,751 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 23:42:04,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 23:42:04,751 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-23 23:42:04,751 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2018-07-23 23:42:04,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:04,926 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2018-07-23 23:42:04,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 23:42:04,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-07-23 23:42:04,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:04,928 INFO L225 Difference]: With dead ends: 34 [2018-07-23 23:42:04,928 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 23:42:04,929 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-23 23:42:04,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 23:42:04,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-07-23 23:42:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 23:42:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-07-23 23:42:04,934 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2018-07-23 23:42:04,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:04,935 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-07-23 23:42:04,935 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 23:42:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-07-23 23:42:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 23:42:04,935 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:04,936 INFO L353 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:04,936 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:04,936 INFO L82 PathProgramCache]: Analyzing trace with hash 540714291, now seen corresponding path program 2 times [2018-07-23 23:42:04,936 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:04,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:04,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:04,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:04,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:05,079 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:05,079 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:05,088 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-23 23:42:05,109 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-23 23:42:05,109 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:05,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:05,220 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:05,220 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-07-23 23:42:05,221 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 23:42:05,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 23:42:05,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-07-23 23:42:05,222 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 9 states. [2018-07-23 23:42:05,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:05,311 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-07-23 23:42:05,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 23:42:05,314 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-07-23 23:42:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:05,314 INFO L225 Difference]: With dead ends: 40 [2018-07-23 23:42:05,314 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 23:42:05,315 INFO L573 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 [2018-07-23 23:42:05,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 23:42:05,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-07-23 23:42:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 23:42:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-07-23 23:42:05,322 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2018-07-23 23:42:05,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:05,322 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-07-23 23:42:05,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 23:42:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-07-23 23:42:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 23:42:05,323 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:05,323 INFO L353 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:05,324 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:05,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1698224620, now seen corresponding path program 3 times [2018-07-23 23:42:05,324 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:05,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:05,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:05,328 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:05,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 23:42:05,575 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:05,575 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:05,589 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-07-23 23:42:05,597 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-07-23 23:42:05,597 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:05,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-07-23 23:42:05,713 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:05,713 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-07-23 23:42:05,714 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 23:42:05,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 23:42:05,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-07-23 23:42:05,715 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2018-07-23 23:42:06,129 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-23 23:42:06,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:06,540 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2018-07-23 23:42:06,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 23:42:06,541 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-07-23 23:42:06,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:06,543 INFO L225 Difference]: With dead ends: 80 [2018-07-23 23:42:06,543 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 23:42:06,545 INFO L573 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 [2018-07-23 23:42:06,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 23:42:06,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 44. [2018-07-23 23:42:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 23:42:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-07-23 23:42:06,555 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2018-07-23 23:42:06,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:06,555 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-07-23 23:42:06,555 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 23:42:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-07-23 23:42:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 23:42:06,557 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:06,557 INFO L353 BasicCegarLoop]: trace histogram [10, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:06,557 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:06,557 INFO L82 PathProgramCache]: Analyzing trace with hash 902441535, now seen corresponding path program 4 times [2018-07-23 23:42:06,558 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:06,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:06,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:06,559 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:06,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 70 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-07-23 23:42:06,715 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:06,715 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:06,723 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-07-23 23:42:06,753 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-07-23 23:42:06,753 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:06,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 70 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-07-23 23:42:06,907 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:06,908 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-07-23 23:42:06,908 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 23:42:06,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 23:42:06,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-07-23 23:42:06,909 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 13 states. [2018-07-23 23:42:07,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:07,112 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2018-07-23 23:42:07,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 23:42:07,113 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-07-23 23:42:07,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:07,115 INFO L225 Difference]: With dead ends: 76 [2018-07-23 23:42:07,115 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 23:42:07,117 INFO L573 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 [2018-07-23 23:42:07,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 23:42:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2018-07-23 23:42:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 23:42:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2018-07-23 23:42:07,133 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 43 [2018-07-23 23:42:07,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:07,133 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2018-07-23 23:42:07,133 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 23:42:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-07-23 23:42:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 23:42:07,136 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:07,136 INFO L353 BasicCegarLoop]: trace histogram [12, 10, 10, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:07,137 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:07,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1350619351, now seen corresponding path program 5 times [2018-07-23 23:42:07,137 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:07,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:07,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:07,138 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:07,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-23 23:42:07,326 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:07,326 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:07,340 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-07-23 23:42:07,370 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2018-07-23 23:42:07,370 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:07,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-23 23:42:07,501 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:07,501 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-07-23 23:42:07,502 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 23:42:07,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 23:42:07,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-07-23 23:42:07,502 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 15 states. [2018-07-23 23:42:07,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:07,886 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-07-23 23:42:07,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 23:42:07,888 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-07-23 23:42:07,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:07,889 INFO L225 Difference]: With dead ends: 85 [2018-07-23 23:42:07,889 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 23:42:07,890 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-07-23 23:42:07,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 23:42:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2018-07-23 23:42:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 23:42:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-07-23 23:42:07,899 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 49 [2018-07-23 23:42:07,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:07,899 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-07-23 23:42:07,900 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 23:42:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-07-23 23:42:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 23:42:07,901 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:07,901 INFO L353 BasicCegarLoop]: trace histogram [14, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:07,901 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:07,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1763537601, now seen corresponding path program 6 times [2018-07-23 23:42:07,902 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:07,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:07,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:07,903 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:07,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 138 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-07-23 23:42:08,084 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:08,084 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:08,093 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-07-23 23:42:08,119 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2018-07-23 23:42:08,120 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:08,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-07-23 23:42:08,228 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:08,228 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2018-07-23 23:42:08,228 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 23:42:08,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 23:42:08,229 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-07-23 23:42:08,230 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 14 states. [2018-07-23 23:42:09,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:09,455 INFO L93 Difference]: Finished difference Result 146 states and 156 transitions. [2018-07-23 23:42:09,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 23:42:09,456 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-07-23 23:42:09,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:09,458 INFO L225 Difference]: With dead ends: 146 [2018-07-23 23:42:09,458 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 23:42:09,461 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=668, Invalid=1402, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 23:42:09,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 23:42:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2018-07-23 23:42:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 23:42:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 91 transitions. [2018-07-23 23:42:09,475 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 91 transitions. Word has length 55 [2018-07-23 23:42:09,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:09,476 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 91 transitions. [2018-07-23 23:42:09,476 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 23:42:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2018-07-23 23:42:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 23:42:09,478 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:09,478 INFO L353 BasicCegarLoop]: trace histogram [24, 21, 21, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:09,478 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:09,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1929818046, now seen corresponding path program 7 times [2018-07-23 23:42:09,479 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:09,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:09,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:09,481 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:09,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 360 proven. 77 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-07-23 23:42:09,648 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:09,648 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:09,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:09,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 360 proven. 77 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-07-23 23:42:10,079 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:10,079 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-07-23 23:42:10,080 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 23:42:10,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 23:42:10,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-23 23:42:10,081 INFO L87 Difference]: Start difference. First operand 88 states and 91 transitions. Second operand 19 states. [2018-07-23 23:42:10,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:10,171 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2018-07-23 23:42:10,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 23:42:10,172 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2018-07-23 23:42:10,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:10,173 INFO L225 Difference]: With dead ends: 159 [2018-07-23 23:42:10,173 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 23:42:10,174 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-23 23:42:10,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 23:42:10,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2018-07-23 23:42:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 23:42:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 100 transitions. [2018-07-23 23:42:10,188 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 100 transitions. Word has length 87 [2018-07-23 23:42:10,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:10,189 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 100 transitions. [2018-07-23 23:42:10,189 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 23:42:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 100 transitions. [2018-07-23 23:42:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 23:42:10,191 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:10,191 INFO L353 BasicCegarLoop]: trace histogram [27, 24, 24, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:10,191 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:10,191 INFO L82 PathProgramCache]: Analyzing trace with hash -739967533, now seen corresponding path program 8 times [2018-07-23 23:42:10,192 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:10,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:10,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:10,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:10,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 458 proven. 100 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-07-23 23:42:10,484 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:10,484 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:10,492 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-23 23:42:10,526 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-23 23:42:10,527 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:10,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 458 proven. 100 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-07-23 23:42:10,709 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:10,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-07-23 23:42:10,710 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 23:42:10,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 23:42:10,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-23 23:42:10,711 INFO L87 Difference]: Start difference. First operand 97 states and 100 transitions. Second operand 21 states. [2018-07-23 23:42:10,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:10,961 INFO L93 Difference]: Finished difference Result 174 states and 182 transitions. [2018-07-23 23:42:10,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 23:42:10,961 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 96 [2018-07-23 23:42:10,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:10,963 INFO L225 Difference]: With dead ends: 174 [2018-07-23 23:42:10,963 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 23:42:10,964 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-23 23:42:10,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 23:42:10,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2018-07-23 23:42:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 23:42:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 109 transitions. [2018-07-23 23:42:10,978 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 109 transitions. Word has length 96 [2018-07-23 23:42:10,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:10,978 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 109 transitions. [2018-07-23 23:42:10,979 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 23:42:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 109 transitions. [2018-07-23 23:42:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 23:42:10,981 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:10,981 INFO L353 BasicCegarLoop]: trace histogram [30, 27, 27, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:10,981 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:10,981 INFO L82 PathProgramCache]: Analyzing trace with hash 2013980510, now seen corresponding path program 9 times [2018-07-23 23:42:10,981 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:10,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:10,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:10,983 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:10,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 568 proven. 126 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2018-07-23 23:42:11,277 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:11,277 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:11,288 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-07-23 23:42:11,335 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-07-23 23:42:11,335 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:11,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 570 proven. 126 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2018-07-23 23:42:11,582 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:11,582 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-07-23 23:42:11,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 23:42:11,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 23:42:11,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-07-23 23:42:11,584 INFO L87 Difference]: Start difference. First operand 106 states and 109 transitions. Second operand 23 states. [2018-07-23 23:42:11,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:11,718 INFO L93 Difference]: Finished difference Result 189 states and 197 transitions. [2018-07-23 23:42:11,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 23:42:11,718 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 105 [2018-07-23 23:42:11,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:11,720 INFO L225 Difference]: With dead ends: 189 [2018-07-23 23:42:11,720 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 23:42:11,721 INFO L573 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 [2018-07-23 23:42:11,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 23:42:11,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2018-07-23 23:42:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 23:42:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 118 transitions. [2018-07-23 23:42:11,733 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 118 transitions. Word has length 105 [2018-07-23 23:42:11,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:11,734 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 118 transitions. [2018-07-23 23:42:11,734 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 23:42:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 118 transitions. [2018-07-23 23:42:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 23:42:11,736 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:11,736 INFO L353 BasicCegarLoop]: trace histogram [33, 30, 30, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:11,736 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:11,736 INFO L82 PathProgramCache]: Analyzing trace with hash -2140116173, now seen corresponding path program 10 times [2018-07-23 23:42:11,736 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:11,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:11,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:11,737 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:11,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1041 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-07-23 23:42:11,930 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:11,930 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:11,940 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-07-23 23:42:11,983 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-07-23 23:42:11,984 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:11,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1041 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-07-23 23:42:12,117 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:12,117 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-07-23 23:42:12,117 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 23:42:12,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 23:42:12,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-07-23 23:42:12,118 INFO L87 Difference]: Start difference. First operand 115 states and 118 transitions. Second operand 11 states. [2018-07-23 23:42:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:12,274 INFO L93 Difference]: Finished difference Result 187 states and 192 transitions. [2018-07-23 23:42:12,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 23:42:12,276 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2018-07-23 23:42:12,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:12,277 INFO L225 Difference]: With dead ends: 187 [2018-07-23 23:42:12,278 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 23:42:12,279 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-07-23 23:42:12,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 23:42:12,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 150. [2018-07-23 23:42:12,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 23:42:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2018-07-23 23:42:12,294 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 114 [2018-07-23 23:42:12,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:12,294 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2018-07-23 23:42:12,295 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 23:42:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2018-07-23 23:42:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 23:42:12,297 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:12,297 INFO L353 BasicCegarLoop]: trace histogram [44, 40, 40, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:12,297 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:12,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1460903615, now seen corresponding path program 11 times [2018-07-23 23:42:12,297 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:12,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:12,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:12,298 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:12,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 0 proven. 2078 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2018-07-23 23:42:12,512 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:12,512 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:12,522 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-07-23 23:42:12,599 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2018-07-23 23:42:12,599 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:12,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 0 proven. 2078 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2018-07-23 23:42:12,801 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:12,801 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-07-23 23:42:12,802 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 23:42:12,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 23:42:12,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-07-23 23:42:12,802 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 13 states. [2018-07-23 23:42:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:12,868 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2018-07-23 23:42:12,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 23:42:12,869 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-07-23 23:42:12,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:12,870 INFO L225 Difference]: With dead ends: 222 [2018-07-23 23:42:12,870 INFO L226 Difference]: Without dead ends: 218 [2018-07-23 23:42:12,871 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-07-23 23:42:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-23 23:42:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 185. [2018-07-23 23:42:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 23:42:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 190 transitions. [2018-07-23 23:42:12,890 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 190 transitions. Word has length 149 [2018-07-23 23:42:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:12,891 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 190 transitions. [2018-07-23 23:42:12,891 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 23:42:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 190 transitions. [2018-07-23 23:42:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 23:42:12,893 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:12,893 INFO L353 BasicCegarLoop]: trace histogram [55, 50, 50, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:12,893 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:12,894 INFO L82 PathProgramCache]: Analyzing trace with hash -799121485, now seen corresponding path program 12 times [2018-07-23 23:42:12,894 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:12,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:12,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:12,895 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:12,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4235 backedges. 0 proven. 3460 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2018-07-23 23:42:13,497 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:13,497 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:13,504 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-07-23 23:42:13,631 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 37 check-sat command(s) [2018-07-23 23:42:13,632 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:13,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4235 backedges. 0 proven. 3460 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2018-07-23 23:42:13,890 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:13,890 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-07-23 23:42:13,890 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 23:42:13,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 23:42:13,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-07-23 23:42:13,891 INFO L87 Difference]: Start difference. First operand 185 states and 190 transitions. Second operand 15 states. [2018-07-23 23:42:14,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:14,086 INFO L93 Difference]: Finished difference Result 257 states and 264 transitions. [2018-07-23 23:42:14,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 23:42:14,088 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 184 [2018-07-23 23:42:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:14,089 INFO L225 Difference]: With dead ends: 257 [2018-07-23 23:42:14,090 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 23:42:14,091 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-07-23 23:42:14,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 23:42:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 220. [2018-07-23 23:42:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-07-23 23:42:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 226 transitions. [2018-07-23 23:42:14,114 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 226 transitions. Word has length 184 [2018-07-23 23:42:14,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:14,115 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 226 transitions. [2018-07-23 23:42:14,115 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 23:42:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 226 transitions. [2018-07-23 23:42:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-07-23 23:42:14,117 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:14,117 INFO L353 BasicCegarLoop]: trace histogram [66, 60, 60, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:14,118 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:14,118 INFO L82 PathProgramCache]: Analyzing trace with hash 962419263, now seen corresponding path program 13 times [2018-07-23 23:42:14,118 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:14,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:14,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:14,119 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:14,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6117 backedges. 0 proven. 5187 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-07-23 23:42:14,450 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:14,450 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:14,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:14,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6117 backedges. 0 proven. 5187 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-07-23 23:42:14,899 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:14,900 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-07-23 23:42:14,900 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 23:42:14,900 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 23:42:14,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2018-07-23 23:42:14,901 INFO L87 Difference]: Start difference. First operand 220 states and 226 transitions. Second operand 17 states. [2018-07-23 23:42:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:15,141 INFO L93 Difference]: Finished difference Result 292 states and 300 transitions. [2018-07-23 23:42:15,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 23:42:15,142 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 219 [2018-07-23 23:42:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:15,144 INFO L225 Difference]: With dead ends: 292 [2018-07-23 23:42:15,144 INFO L226 Difference]: Without dead ends: 288 [2018-07-23 23:42:15,146 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2018-07-23 23:42:15,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-07-23 23:42:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 255. [2018-07-23 23:42:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 23:42:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 262 transitions. [2018-07-23 23:42:15,178 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 262 transitions. Word has length 219 [2018-07-23 23:42:15,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:15,179 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 262 transitions. [2018-07-23 23:42:15,179 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 23:42:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 262 transitions. [2018-07-23 23:42:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 23:42:15,183 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:15,183 INFO L353 BasicCegarLoop]: trace histogram [77, 70, 70, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:15,183 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:15,184 INFO L82 PathProgramCache]: Analyzing trace with hash 255783987, now seen corresponding path program 14 times [2018-07-23 23:42:15,184 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:15,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:15,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:15,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 23:42:15,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 0 proven. 7259 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-07-23 23:42:15,710 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:15,711 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:15,718 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-23 23:42:15,797 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-23 23:42:15,798 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:15,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 0 proven. 7259 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-07-23 23:42:16,063 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:16,063 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-07-23 23:42:16,064 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 23:42:16,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 23:42:16,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-23 23:42:16,064 INFO L87 Difference]: Start difference. First operand 255 states and 262 transitions. Second operand 19 states. [2018-07-23 23:42:16,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:16,220 INFO L93 Difference]: Finished difference Result 327 states and 336 transitions. [2018-07-23 23:42:16,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 23:42:16,220 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 254 [2018-07-23 23:42:16,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:16,222 INFO L225 Difference]: With dead ends: 327 [2018-07-23 23:42:16,222 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 23:42:16,222 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-23 23:42:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 23:42:16,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 290. [2018-07-23 23:42:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-07-23 23:42:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 298 transitions. [2018-07-23 23:42:16,251 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 298 transitions. Word has length 254 [2018-07-23 23:42:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:16,251 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 298 transitions. [2018-07-23 23:42:16,251 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 23:42:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 298 transitions. [2018-07-23 23:42:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-07-23 23:42:16,254 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:16,255 INFO L353 BasicCegarLoop]: trace histogram [88, 80, 80, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:16,255 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:16,255 INFO L82 PathProgramCache]: Analyzing trace with hash 984643007, now seen corresponding path program 15 times [2018-07-23 23:42:16,255 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:16,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:16,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:16,256 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:16,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10916 backedges. 0 proven. 9676 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-07-23 23:42:17,200 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:17,201 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:17,209 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-07-23 23:42:17,334 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) [2018-07-23 23:42:17,334 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:17,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10916 backedges. 0 proven. 9676 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-07-23 23:42:17,675 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:17,675 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-07-23 23:42:17,676 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 23:42:17,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 23:42:17,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-23 23:42:17,677 INFO L87 Difference]: Start difference. First operand 290 states and 298 transitions. Second operand 21 states. [2018-07-23 23:42:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:17,823 INFO L93 Difference]: Finished difference Result 362 states and 372 transitions. [2018-07-23 23:42:17,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 23:42:17,823 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 289 [2018-07-23 23:42:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:17,825 INFO L225 Difference]: With dead ends: 362 [2018-07-23 23:42:17,825 INFO L226 Difference]: Without dead ends: 358 [2018-07-23 23:42:17,826 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-23 23:42:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-07-23 23:42:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 325. [2018-07-23 23:42:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 23:42:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 334 transitions. [2018-07-23 23:42:17,862 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 334 transitions. Word has length 289 [2018-07-23 23:42:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:17,863 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 334 transitions. [2018-07-23 23:42:17,863 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 23:42:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 334 transitions. [2018-07-23 23:42:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 23:42:17,864 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:17,865 INFO L353 BasicCegarLoop]: trace histogram [99, 90, 90, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:17,865 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:17,865 INFO L82 PathProgramCache]: Analyzing trace with hash 2140809395, now seen corresponding path program 16 times [2018-07-23 23:42:17,865 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:17,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:17,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:17,866 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:17,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 13833 backedges. 0 proven. 12438 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2018-07-23 23:42:18,311 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 23:42:18,312 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-07-23 23:42:18,320 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-07-23 23:42:18,441 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-07-23 23:42:18,442 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-23 23:42:18,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 23:42:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13833 backedges. 0 proven. 12438 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2018-07-23 23:42:18,977 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-23 23:42:18,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-07-23 23:42:18,978 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 23:42:18,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 23:42:18,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-07-23 23:42:18,979 INFO L87 Difference]: Start difference. First operand 325 states and 334 transitions. Second operand 23 states. [2018-07-23 23:42:19,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:19,182 INFO L93 Difference]: Finished difference Result 397 states and 408 transitions. [2018-07-23 23:42:19,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 23:42:19,182 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 324 [2018-07-23 23:42:19,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:19,184 INFO L225 Difference]: With dead ends: 397 [2018-07-23 23:42:19,184 INFO L226 Difference]: Without dead ends: 393 [2018-07-23 23:42:19,184 INFO L573 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 [2018-07-23 23:42:19,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-07-23 23:42:19,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 360. [2018-07-23 23:42:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-07-23 23:42:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 370 transitions. [2018-07-23 23:42:19,216 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 370 transitions. Word has length 324 [2018-07-23 23:42:19,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:19,216 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 370 transitions. [2018-07-23 23:42:19,216 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 23:42:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 370 transitions. [2018-07-23 23:42:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-07-23 23:42:19,218 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 23:42:19,218 INFO L353 BasicCegarLoop]: trace histogram [110, 100, 100, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 23:42:19,219 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 23:42:19,219 INFO L82 PathProgramCache]: Analyzing trace with hash -880479937, now seen corresponding path program 17 times [2018-07-23 23:42:19,219 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-23 23:42:19,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-23 23:42:19,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:19,220 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-23 23:42:19,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 23:42:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 23:42:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17095 backedges. 17077 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-07-23 23:42:25,451 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 23:42:25,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [104] imperfect sequences [] total 104 [2018-07-23 23:42:25,452 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 23:42:25,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 23:42:25,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5255, Invalid=5457, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 23:42:25,457 INFO L87 Difference]: Start difference. First operand 360 states and 370 transitions. Second operand 104 states. [2018-07-23 23:42:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 23:42:28,775 INFO L93 Difference]: Finished difference Result 14895 states and 15355 transitions. [2018-07-23 23:42:28,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 23:42:28,775 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 359 [2018-07-23 23:42:28,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 23:42:28,777 INFO L225 Difference]: With dead ends: 14895 [2018-07-23 23:42:28,777 INFO L226 Difference]: Without dead ends: 0 [2018-07-23 23:42:28,798 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=5359, Invalid=5561, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 23:42:28,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-23 23:42:28,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-23 23:42:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-23 23:42:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-23 23:42:28,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-07-23 23:42:28,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 23:42:28,799 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-23 23:42:28,799 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 23:42:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-23 23:42:28,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-23 23:42:28,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-23 23:42:34,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:34,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:35,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:36,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:37,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:38,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:39,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:40,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:41,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:41,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:41,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:41,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:41,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:41,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:41,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:42,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:43,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:44,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:45,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:46,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:47,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:48,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:49,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:49,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:49,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:49,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:49,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:49,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:50,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:50,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:50,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:50,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:51,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:51,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:51,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:51,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:51,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:51,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:51,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:52,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:52,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:52,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:52,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:52,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:53,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:53,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:53,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:53,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:53,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:54,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:54,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:55,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:56,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:56,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:56,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:56,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:57,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:57,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:57,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:57,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:58,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:58,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:58,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:58,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:58,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:58,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:59,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:59,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:59,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:59,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:59,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:42:59,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:00,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:00,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:00,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:01,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:01,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:02,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:02,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:03,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:03,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:04,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:04,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:04,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:04,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:04,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:05,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:05,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:05,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:05,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:05,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:05,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:06,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:06,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:06,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:07,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:07,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:07,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:07,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:08,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:08,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:08,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:08,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:09,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:09,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:09,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:09,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:10,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:11,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:11,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:13,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:13,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:13,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:14,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:14,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:14,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:14,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:14,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:15,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:15,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:15,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:16,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:16,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:16,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:17,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:17,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:18,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:19,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:19,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:19,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:23,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:25,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:26,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-23 23:43:31,196 WARN L169 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 5175 DAG size of output: 1754 [2018-07-23 23:43:32,100 WARN L169 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 664 [2018-07-23 23:44:31,193 WARN L169 SmtUtils]: Spent 59.07 s on a formula simplification. DAG size of input: 1719 DAG size of output: 362 [2018-07-23 23:44:37,539 WARN L169 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 664 DAG size of output: 59 [2018-07-23 23:44:37,544 INFO L417 ceAbstractionStarter]: At program point L18'''(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)))) [2018-07-23 23:44:37,545 INFO L424 ceAbstractionStarter]: At program point L23(lines 10 24) the Hoare annotation is: true [2018-07-23 23:44:37,545 INFO L421 ceAbstractionStarter]: For program point L17''(lines 17 21) no Hoare annotation was computed. [2018-07-23 23:44:37,545 INFO L421 ceAbstractionStarter]: For program point L17''''(lines 17 21) no Hoare annotation was computed. [2018-07-23 23:44:37,545 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-23 23:44:37,545 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-07-23 23:44:37,545 INFO L421 ceAbstractionStarter]: For program point L18''(lines 18 20) no Hoare annotation was computed. [2018-07-23 23:44:37,545 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-23 23:44:37,545 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-23 23:44:37,545 INFO L417 ceAbstractionStarter]: At program point L17'''(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)))) [2018-07-23 23:44:37,546 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-23 23:44:37,546 INFO L424 ceAbstractionStarter]: At program point L4''(lines 3 8) the Hoare annotation is: true [2018-07-23 23:44:37,546 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-23 23:44:37,546 INFO L421 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-07-23 23:44:37,546 INFO L421 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-07-23 23:44:37,546 INFO L421 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-07-23 23:44:37,546 INFO L421 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-07-23 23:44:37,546 INFO L421 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. [2018-07-23 23:44:37,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 11:44:37 BoogieIcfgContainer [2018-07-23 23:44:37,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 23:44:37,591 INFO L168 Benchmark]: Toolchain (without parser) took 154940.55 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 2.1 GB in the end (delta: -638.2 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-07-23 23:44:37,593 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-07-23 23:44:37,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.13 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. [2018-07-23 23:44:37,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.19 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. [2018-07-23 23:44:37,595 INFO L168 Benchmark]: Boogie Preprocessor took 20.12 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. [2018-07-23 23:44:37,595 INFO L168 Benchmark]: RCFGBuilder took 382.42 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-07-23 23:44:37,596 INFO L168 Benchmark]: TraceAbstraction took 154198.98 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 127.5 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-07-23 23:44:37,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 300.13 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 34.19 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 20.12 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 382.42 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 724.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -776.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 154198.98 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 127.5 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: 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) - 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) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. SAFE Result, 154.0s OverallTime, 20 OverallIterations, 110 TraceHistogramMax, 8.2s AutomataDifference, 0.0s DeadEndRemovalTime, 128.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 803 SDtfs, 1511 SDslu, 2749 SDs, 0 SdLazy, 1158 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2329 GetRequests, 1953 SyntacticMatches, 0 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1962 ImplicationChecksByTransitivity, 13.7s 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, 63.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 52642 FormulaSimplificationTreeSizeReductionInter, 65.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 14.1s 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! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_23-44-37-629.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_23-44-37-629.csv Received shutdown request...