java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/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 0.1.23-71425fa [2018-07-21 22:49:31,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 22:49:31,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 22:49:31,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 22:49:31,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 22:49:31,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 22:49:31,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 22:49:31,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 22:49:31,175 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 22:49:31,175 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 22:49:31,176 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 22:49:31,177 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 22:49:31,177 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 22:49:31,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 22:49:31,179 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 22:49:31,180 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 22:49:31,181 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 22:49:31,183 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 22:49:31,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 22:49:31,197 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 22:49:31,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 22:49:31,199 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 22:49:31,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 22:49:31,223 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-21 22:49:31,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 22:49:31,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 22:49:31,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 22:49:31,254 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-21 22:49:31,254 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-21 22:49:31,254 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-21 22:49:31,255 INFO L133 SettingsManager]: * Use SBE=true [2018-07-21 22:49:31,255 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 22:49:31,255 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 22:49:31,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 22:49:31,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 22:49:31,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 22:49:31,256 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 22:49:31,256 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 22:49:31,256 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 22:49:31,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 22:49:31,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 22:49:31,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 22:49:31,258 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 22:49:31,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 22:49:31,259 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 22:49:31,259 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 22:49:31,259 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 22:49:31,259 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 22:49:31,260 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-21 22:49:31,260 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 22:49:31,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 22:49:31,260 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 22:49:31,260 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 22:49:31,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 22:49:31,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 22:49:31,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 22:49:31,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 22:49:31,339 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 22:49:31,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/nested_true-unreach-call_true-termination.i [2018-07-21 22:49:31,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b4e0c42/8559b82355de413d9d7578d89a358204/FLAG8689820ea [2018-07-21 22:49:31,875 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 22:49:31,875 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loop-new/nested_true-unreach-call_true-termination.i [2018-07-21 22:49:31,882 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b4e0c42/8559b82355de413d9d7578d89a358204/FLAG8689820ea [2018-07-21 22:49:31,896 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b4e0c42/8559b82355de413d9d7578d89a358204 [2018-07-21 22:49:31,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 22:49:31,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 22:49:31,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 22:49:31,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 22:49:31,919 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 22:49:31,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:31" (1/1) ... [2018-07-21 22:49:31,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a875644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:31, skipping insertion in model container [2018-07-21 22:49:31,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:31" (1/1) ... [2018-07-21 22:49:32,111 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 22:49:32,154 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 22:49:32,172 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 22:49:32,179 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 22:49:32,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32 WrapperNode [2018-07-21 22:49:32,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 22:49:32,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 22:49:32,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 22:49:32,197 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 22:49:32,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 22:49:32,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 22:49:32,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 22:49:32,236 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 22:49:32,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... [2018-07-21 22:49:32,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 22:49:32,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 22:49:32,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 22:49:32,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 22:49:32,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 22:49:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 22:49:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 22:49:32,737 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 22:49:32,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:49:32 BoogieIcfgContainer [2018-07-21 22:49:32,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 22:49:32,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 22:49:32,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 22:49:32,752 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 22:49:32,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:49:31" (1/3) ... [2018-07-21 22:49:32,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f5a9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:49:32, skipping insertion in model container [2018-07-21 22:49:32,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:32" (2/3) ... [2018-07-21 22:49:32,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f5a9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:49:32, skipping insertion in model container [2018-07-21 22:49:32,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:49:32" (3/3) ... [2018-07-21 22:49:32,759 INFO L112 eAbstractionObserver]: Analyzing ICFG nested_true-unreach-call_true-termination.i [2018-07-21 22:49:32,770 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 22:49:32,784 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 22:49:32,837 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 22:49:32,838 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 22:49:32,840 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 22:49:32,840 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 22:49:32,840 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 22:49:32,840 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 22:49:32,840 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 22:49:32,841 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 22:49:32,841 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 22:49:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-21 22:49:32,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-21 22:49:32,861 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:32,861 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:32,862 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:32,865 INFO L82 PathProgramCache]: Analyzing trace with hash 180211084, now seen corresponding path program 1 times [2018-07-21 22:49:32,867 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:32,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:32,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:32,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:32,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:32,991 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 22:49:32,991 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-21 22:49:32,994 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-21 22:49:33,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-21 22:49:33,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 22:49:33,012 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-07-21 22:49:33,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:33,036 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2018-07-21 22:49:33,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-21 22:49:33,037 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-07-21 22:49:33,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:33,051 INFO L225 Difference]: With dead ends: 32 [2018-07-21 22:49:33,051 INFO L226 Difference]: Without dead ends: 14 [2018-07-21 22:49:33,058 INFO L578 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 [2018-07-21 22:49:33,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-21 22:49:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-21 22:49:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-21 22:49:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-07-21 22:49:33,104 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 8 [2018-07-21 22:49:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:33,105 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-07-21 22:49:33,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-21 22:49:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-07-21 22:49:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-21 22:49:33,106 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:33,106 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:33,106 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1270630335, now seen corresponding path program 1 times [2018-07-21 22:49:33,107 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:33,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:33,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:33,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:33,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:33,198 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 22:49:33,199 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 22:49:33,200 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 22:49:33,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 22:49:33,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-21 22:49:33,208 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 4 states. [2018-07-21 22:49:33,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:33,301 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-07-21 22:49:33,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 22:49:33,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-07-21 22:49:33,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:33,303 INFO L225 Difference]: With dead ends: 24 [2018-07-21 22:49:33,303 INFO L226 Difference]: Without dead ends: 20 [2018-07-21 22:49:33,304 INFO L578 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 [2018-07-21 22:49:33,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-21 22:49:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2018-07-21 22:49:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-21 22:49:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-07-21 22:49:33,309 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 9 [2018-07-21 22:49:33,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:33,309 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-07-21 22:49:33,309 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 22:49:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-07-21 22:49:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-21 22:49:33,312 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:33,312 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:33,314 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:33,314 INFO L82 PathProgramCache]: Analyzing trace with hash 36607187, now seen corresponding path program 1 times [2018-07-21 22:49:33,315 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:33,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:33,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:33,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:33,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:33,402 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 22:49:33,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 22:49:33,402 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 22:49:33,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 22:49:33,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-21 22:49:33,403 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 4 states. [2018-07-21 22:49:33,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:33,481 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-07-21 22:49:33,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 22:49:33,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-07-21 22:49:33,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:33,483 INFO L225 Difference]: With dead ends: 29 [2018-07-21 22:49:33,483 INFO L226 Difference]: Without dead ends: 19 [2018-07-21 22:49:33,483 INFO L578 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 [2018-07-21 22:49:33,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-21 22:49:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2018-07-21 22:49:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-21 22:49:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-07-21 22:49:33,488 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2018-07-21 22:49:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:33,488 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-07-21 22:49:33,489 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 22:49:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-07-21 22:49:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-21 22:49:33,489 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:33,490 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:33,490 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:33,490 INFO L82 PathProgramCache]: Analyzing trace with hash -52325772, now seen corresponding path program 1 times [2018-07-21 22:49:33,490 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:33,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:33,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:33,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:33,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:33,585 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:33,585 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-21 22:49:33,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:33,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:33,859 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:33,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-07-21 22:49:33,860 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-21 22:49:33,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-21 22:49:33,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-21 22:49:33,860 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2018-07-21 22:49:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:34,104 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2018-07-21 22:49:34,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-21 22:49:34,106 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-07-21 22:49:34,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:34,106 INFO L225 Difference]: With dead ends: 34 [2018-07-21 22:49:34,107 INFO L226 Difference]: Without dead ends: 22 [2018-07-21 22:49:34,107 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-21 22:49:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-21 22:49:34,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-07-21 22:49:34,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-21 22:49:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-07-21 22:49:34,116 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2018-07-21 22:49:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:34,116 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-07-21 22:49:34,116 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-21 22:49:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-07-21 22:49:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-21 22:49:34,117 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:34,117 INFO L358 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:34,118 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:34,118 INFO L82 PathProgramCache]: Analyzing trace with hash 540714291, now seen corresponding path program 2 times [2018-07-21 22:49:34,118 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:34,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:34,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:34,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:34,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:34,259 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:34,259 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:34,266 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-21 22:49:34,279 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-21 22:49:34,279 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:34,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:34,395 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:34,395 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-07-21 22:49:34,395 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-21 22:49:34,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-21 22:49:34,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-07-21 22:49:34,396 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 9 states. [2018-07-21 22:49:34,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:34,541 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-07-21 22:49:34,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-21 22:49:34,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-07-21 22:49:34,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:34,543 INFO L225 Difference]: With dead ends: 40 [2018-07-21 22:49:34,543 INFO L226 Difference]: Without dead ends: 25 [2018-07-21 22:49:34,544 INFO L578 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 [2018-07-21 22:49:34,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-21 22:49:34,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-07-21 22:49:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-21 22:49:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-07-21 22:49:34,549 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2018-07-21 22:49:34,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:34,549 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-07-21 22:49:34,550 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-21 22:49:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-07-21 22:49:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-21 22:49:34,550 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:34,551 INFO L358 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:34,551 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:34,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1698224620, now seen corresponding path program 3 times [2018-07-21 22:49:34,551 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:34,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:34,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:34,553 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:34,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 22:49:34,674 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:34,674 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:34,691 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-07-21 22:49:34,700 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-07-21 22:49:34,701 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:34,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-07-21 22:49:34,813 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:34,813 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-07-21 22:49:34,814 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-21 22:49:34,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-21 22:49:34,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-07-21 22:49:34,815 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2018-07-21 22:49:35,229 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-21 22:49:35,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:35,594 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2018-07-21 22:49:35,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-21 22:49:35,595 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-07-21 22:49:35,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:35,596 INFO L225 Difference]: With dead ends: 80 [2018-07-21 22:49:35,596 INFO L226 Difference]: Without dead ends: 62 [2018-07-21 22:49:35,597 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=206, Invalid=394, Unknown=0, NotChecked=0, Total=600 [2018-07-21 22:49:35,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-21 22:49:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 44. [2018-07-21 22:49:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-21 22:49:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-07-21 22:49:35,606 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2018-07-21 22:49:35,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:35,607 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-07-21 22:49:35,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-21 22:49:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-07-21 22:49:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-21 22:49:35,608 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:35,608 INFO L358 BasicCegarLoop]: trace histogram [10, 8, 8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:35,608 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:35,609 INFO L82 PathProgramCache]: Analyzing trace with hash 902441535, now seen corresponding path program 4 times [2018-07-21 22:49:35,609 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:35,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:35,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:35,610 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:35,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 70 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-07-21 22:49:35,728 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:35,728 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:35,737 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-07-21 22:49:35,774 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-07-21 22:49:35,774 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:35,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 70 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-07-21 22:49:35,955 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:35,955 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-07-21 22:49:35,955 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-21 22:49:35,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-21 22:49:35,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-07-21 22:49:35,956 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 13 states. [2018-07-21 22:49:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:36,155 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2018-07-21 22:49:36,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 22:49:36,155 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-07-21 22:49:36,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:36,156 INFO L225 Difference]: With dead ends: 76 [2018-07-21 22:49:36,157 INFO L226 Difference]: Without dead ends: 52 [2018-07-21 22:49:36,157 INFO L578 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 [2018-07-21 22:49:36,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-21 22:49:36,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2018-07-21 22:49:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-21 22:49:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2018-07-21 22:49:36,166 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 43 [2018-07-21 22:49:36,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:36,166 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2018-07-21 22:49:36,166 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-21 22:49:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-07-21 22:49:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-21 22:49:36,168 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:36,168 INFO L358 BasicCegarLoop]: trace histogram [12, 10, 10, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:36,168 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:36,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1350619351, now seen corresponding path program 5 times [2018-07-21 22:49:36,169 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:36,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:36,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:36,170 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:36,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-21 22:49:36,310 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:36,310 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:36,326 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-07-21 22:49:36,353 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2018-07-21 22:49:36,353 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:36,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 101 proven. 40 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-07-21 22:49:36,449 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:36,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-07-21 22:49:36,450 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-21 22:49:36,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-21 22:49:36,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-07-21 22:49:36,451 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 15 states. [2018-07-21 22:49:36,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:36,609 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-07-21 22:49:36,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-21 22:49:36,610 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-07-21 22:49:36,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:36,610 INFO L225 Difference]: With dead ends: 85 [2018-07-21 22:49:36,611 INFO L226 Difference]: Without dead ends: 58 [2018-07-21 22:49:36,611 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-07-21 22:49:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-21 22:49:36,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2018-07-21 22:49:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-21 22:49:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-07-21 22:49:36,623 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 49 [2018-07-21 22:49:36,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:36,623 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-07-21 22:49:36,623 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-21 22:49:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-07-21 22:49:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-21 22:49:36,624 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:36,625 INFO L358 BasicCegarLoop]: trace histogram [14, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:36,625 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:36,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1763537601, now seen corresponding path program 6 times [2018-07-21 22:49:36,625 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:36,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:36,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:36,626 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:36,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 138 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-07-21 22:49:36,970 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:36,970 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:36,975 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-07-21 22:49:36,996 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2018-07-21 22:49:36,996 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:36,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-07-21 22:49:37,081 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:37,082 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 14 [2018-07-21 22:49:37,082 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-21 22:49:37,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-21 22:49:37,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-07-21 22:49:37,083 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 14 states. [2018-07-21 22:49:37,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:37,944 INFO L93 Difference]: Finished difference Result 146 states and 156 transitions. [2018-07-21 22:49:37,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-21 22:49:37,945 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-07-21 22:49:37,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:37,946 INFO L225 Difference]: With dead ends: 146 [2018-07-21 22:49:37,946 INFO L226 Difference]: Without dead ends: 116 [2018-07-21 22:49:37,947 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=668, Invalid=1402, Unknown=0, NotChecked=0, Total=2070 [2018-07-21 22:49:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-21 22:49:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2018-07-21 22:49:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-21 22:49:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 91 transitions. [2018-07-21 22:49:37,962 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 91 transitions. Word has length 55 [2018-07-21 22:49:37,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:37,962 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 91 transitions. [2018-07-21 22:49:37,962 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-21 22:49:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2018-07-21 22:49:37,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-21 22:49:37,965 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:37,965 INFO L358 BasicCegarLoop]: trace histogram [24, 21, 21, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:37,965 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:37,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1929818046, now seen corresponding path program 7 times [2018-07-21 22:49:37,965 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:37,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:37,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:37,971 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:37,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 360 proven. 77 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-07-21 22:49:38,139 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:38,140 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:38,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:38,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 360 proven. 77 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-07-21 22:49:38,294 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:38,294 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-07-21 22:49:38,295 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-21 22:49:38,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-21 22:49:38,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-21 22:49:38,296 INFO L87 Difference]: Start difference. First operand 88 states and 91 transitions. Second operand 19 states. [2018-07-21 22:49:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:38,372 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2018-07-21 22:49:38,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-21 22:49:38,376 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2018-07-21 22:49:38,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:38,377 INFO L225 Difference]: With dead ends: 159 [2018-07-21 22:49:38,377 INFO L226 Difference]: Without dead ends: 100 [2018-07-21 22:49:38,378 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-21 22:49:38,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-21 22:49:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2018-07-21 22:49:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-21 22:49:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 100 transitions. [2018-07-21 22:49:38,399 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 100 transitions. Word has length 87 [2018-07-21 22:49:38,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:38,400 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 100 transitions. [2018-07-21 22:49:38,400 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-21 22:49:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 100 transitions. [2018-07-21 22:49:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-21 22:49:38,409 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:38,410 INFO L358 BasicCegarLoop]: trace histogram [27, 24, 24, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:38,410 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:38,410 INFO L82 PathProgramCache]: Analyzing trace with hash -739967533, now seen corresponding path program 8 times [2018-07-21 22:49:38,410 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:38,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:38,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:38,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:38,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 458 proven. 100 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-07-21 22:49:38,883 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:38,883 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:38,889 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-21 22:49:38,943 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-21 22:49:38,943 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:38,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 458 proven. 100 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-07-21 22:49:39,490 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:39,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-07-21 22:49:39,491 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-21 22:49:39,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-21 22:49:39,492 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-21 22:49:39,492 INFO L87 Difference]: Start difference. First operand 97 states and 100 transitions. Second operand 21 states. [2018-07-21 22:49:39,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:39,553 INFO L93 Difference]: Finished difference Result 174 states and 182 transitions. [2018-07-21 22:49:39,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-21 22:49:39,556 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 96 [2018-07-21 22:49:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:39,557 INFO L225 Difference]: With dead ends: 174 [2018-07-21 22:49:39,557 INFO L226 Difference]: Without dead ends: 109 [2018-07-21 22:49:39,558 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-21 22:49:39,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-21 22:49:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2018-07-21 22:49:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-21 22:49:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 109 transitions. [2018-07-21 22:49:39,574 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 109 transitions. Word has length 96 [2018-07-21 22:49:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:39,574 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 109 transitions. [2018-07-21 22:49:39,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-21 22:49:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 109 transitions. [2018-07-21 22:49:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-21 22:49:39,576 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:39,576 INFO L358 BasicCegarLoop]: trace histogram [30, 27, 27, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:39,576 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:39,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2013980510, now seen corresponding path program 9 times [2018-07-21 22:49:39,577 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:39,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:39,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:39,578 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:39,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 568 proven. 126 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2018-07-21 22:49:39,808 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:39,808 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:39,817 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-07-21 22:49:39,861 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-07-21 22:49:39,861 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:39,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 570 proven. 126 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2018-07-21 22:49:40,035 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:40,035 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-07-21 22:49:40,035 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-21 22:49:40,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-21 22:49:40,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-07-21 22:49:40,036 INFO L87 Difference]: Start difference. First operand 106 states and 109 transitions. Second operand 23 states. [2018-07-21 22:49:40,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:40,202 INFO L93 Difference]: Finished difference Result 189 states and 197 transitions. [2018-07-21 22:49:40,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 22:49:40,202 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 105 [2018-07-21 22:49:40,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:40,203 INFO L225 Difference]: With dead ends: 189 [2018-07-21 22:49:40,203 INFO L226 Difference]: Without dead ends: 118 [2018-07-21 22:49:40,204 INFO L578 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 [2018-07-21 22:49:40,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-21 22:49:40,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2018-07-21 22:49:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-21 22:49:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 118 transitions. [2018-07-21 22:49:40,219 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 118 transitions. Word has length 105 [2018-07-21 22:49:40,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:40,219 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 118 transitions. [2018-07-21 22:49:40,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-21 22:49:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 118 transitions. [2018-07-21 22:49:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-21 22:49:40,221 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:40,222 INFO L358 BasicCegarLoop]: trace histogram [33, 30, 30, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:40,222 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:40,222 INFO L82 PathProgramCache]: Analyzing trace with hash -2140116173, now seen corresponding path program 10 times [2018-07-21 22:49:40,222 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:40,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:40,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:40,223 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:40,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1041 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-07-21 22:49:40,387 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:40,387 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:40,393 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-07-21 22:49:40,448 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-07-21 22:49:40,448 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:40,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1041 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-07-21 22:49:40,598 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:40,598 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-07-21 22:49:40,599 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-21 22:49:40,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-21 22:49:40,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-07-21 22:49:40,600 INFO L87 Difference]: Start difference. First operand 115 states and 118 transitions. Second operand 11 states. [2018-07-21 22:49:40,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:40,789 INFO L93 Difference]: Finished difference Result 187 states and 192 transitions. [2018-07-21 22:49:40,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-21 22:49:40,789 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2018-07-21 22:49:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:40,791 INFO L225 Difference]: With dead ends: 187 [2018-07-21 22:49:40,791 INFO L226 Difference]: Without dead ends: 183 [2018-07-21 22:49:40,792 INFO L578 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 [2018-07-21 22:49:40,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-21 22:49:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 150. [2018-07-21 22:49:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-21 22:49:40,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2018-07-21 22:49:40,811 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 114 [2018-07-21 22:49:40,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:40,812 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2018-07-21 22:49:40,812 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-21 22:49:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2018-07-21 22:49:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-21 22:49:40,814 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:40,815 INFO L358 BasicCegarLoop]: trace histogram [44, 40, 40, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:40,815 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:40,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1460903615, now seen corresponding path program 11 times [2018-07-21 22:49:40,815 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:40,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:40,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:40,816 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:40,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 0 proven. 2078 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2018-07-21 22:49:41,068 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:41,068 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:41,074 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-07-21 22:49:41,133 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2018-07-21 22:49:41,133 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:41,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 0 proven. 2078 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2018-07-21 22:49:41,417 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:41,418 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-07-21 22:49:41,418 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-21 22:49:41,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-21 22:49:41,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-07-21 22:49:41,419 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 13 states. [2018-07-21 22:49:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:41,494 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2018-07-21 22:49:41,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-21 22:49:41,495 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-07-21 22:49:41,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:41,496 INFO L225 Difference]: With dead ends: 222 [2018-07-21 22:49:41,497 INFO L226 Difference]: Without dead ends: 218 [2018-07-21 22:49:41,497 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-07-21 22:49:41,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-21 22:49:41,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 185. [2018-07-21 22:49:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-21 22:49:41,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 190 transitions. [2018-07-21 22:49:41,519 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 190 transitions. Word has length 149 [2018-07-21 22:49:41,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:41,520 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 190 transitions. [2018-07-21 22:49:41,520 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-21 22:49:41,520 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 190 transitions. [2018-07-21 22:49:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-21 22:49:41,523 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:41,523 INFO L358 BasicCegarLoop]: trace histogram [55, 50, 50, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:41,523 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:41,523 INFO L82 PathProgramCache]: Analyzing trace with hash -799121485, now seen corresponding path program 12 times [2018-07-21 22:49:41,524 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:41,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:41,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:41,524 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:41,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4235 backedges. 0 proven. 3460 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2018-07-21 22:49:42,200 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:42,200 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:42,206 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-07-21 22:49:42,295 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 37 check-sat command(s) [2018-07-21 22:49:42,295 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:42,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4235 backedges. 0 proven. 3460 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2018-07-21 22:49:42,426 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:42,426 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-07-21 22:49:42,427 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-21 22:49:42,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-21 22:49:42,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-07-21 22:49:42,427 INFO L87 Difference]: Start difference. First operand 185 states and 190 transitions. Second operand 15 states. [2018-07-21 22:49:42,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:42,821 INFO L93 Difference]: Finished difference Result 257 states and 264 transitions. [2018-07-21 22:49:42,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-21 22:49:42,822 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 184 [2018-07-21 22:49:42,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:42,824 INFO L225 Difference]: With dead ends: 257 [2018-07-21 22:49:42,824 INFO L226 Difference]: Without dead ends: 253 [2018-07-21 22:49:42,828 INFO L578 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 [2018-07-21 22:49:42,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-21 22:49:42,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 220. [2018-07-21 22:49:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-07-21 22:49:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 226 transitions. [2018-07-21 22:49:42,855 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 226 transitions. Word has length 184 [2018-07-21 22:49:42,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:42,856 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 226 transitions. [2018-07-21 22:49:42,856 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-21 22:49:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 226 transitions. [2018-07-21 22:49:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-07-21 22:49:42,859 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:42,860 INFO L358 BasicCegarLoop]: trace histogram [66, 60, 60, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:42,860 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:42,860 INFO L82 PathProgramCache]: Analyzing trace with hash 962419263, now seen corresponding path program 13 times [2018-07-21 22:49:42,860 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:42,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:42,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:42,862 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:42,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6117 backedges. 0 proven. 5187 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-07-21 22:49:43,194 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:43,194 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:43,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:43,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6117 backedges. 0 proven. 5187 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-07-21 22:49:43,471 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:43,471 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-07-21 22:49:43,471 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-21 22:49:43,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-21 22:49:43,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2018-07-21 22:49:43,472 INFO L87 Difference]: Start difference. First operand 220 states and 226 transitions. Second operand 17 states. [2018-07-21 22:49:43,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:43,715 INFO L93 Difference]: Finished difference Result 292 states and 300 transitions. [2018-07-21 22:49:43,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-21 22:49:43,715 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 219 [2018-07-21 22:49:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:43,717 INFO L225 Difference]: With dead ends: 292 [2018-07-21 22:49:43,717 INFO L226 Difference]: Without dead ends: 288 [2018-07-21 22:49:43,718 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2018-07-21 22:49:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-07-21 22:49:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 255. [2018-07-21 22:49:43,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-21 22:49:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 262 transitions. [2018-07-21 22:49:43,748 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 262 transitions. Word has length 219 [2018-07-21 22:49:43,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:43,749 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 262 transitions. [2018-07-21 22:49:43,749 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-21 22:49:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 262 transitions. [2018-07-21 22:49:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-21 22:49:43,752 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:43,753 INFO L358 BasicCegarLoop]: trace histogram [77, 70, 70, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:43,753 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:43,753 INFO L82 PathProgramCache]: Analyzing trace with hash 255783987, now seen corresponding path program 14 times [2018-07-21 22:49:43,753 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:43,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:43,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:43,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 22:49:43,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:44,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 0 proven. 7259 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-07-21 22:49:44,703 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:44,703 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:44,709 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-07-21 22:49:44,775 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-07-21 22:49:44,775 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:44,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8344 backedges. 0 proven. 7259 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-07-21 22:49:45,053 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:45,053 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-07-21 22:49:45,053 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-21 22:49:45,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-21 22:49:45,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-21 22:49:45,054 INFO L87 Difference]: Start difference. First operand 255 states and 262 transitions. Second operand 19 states. [2018-07-21 22:49:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:45,182 INFO L93 Difference]: Finished difference Result 327 states and 336 transitions. [2018-07-21 22:49:45,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-21 22:49:45,183 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 254 [2018-07-21 22:49:45,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:45,185 INFO L225 Difference]: With dead ends: 327 [2018-07-21 22:49:45,185 INFO L226 Difference]: Without dead ends: 323 [2018-07-21 22:49:45,186 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2018-07-21 22:49:45,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-21 22:49:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 290. [2018-07-21 22:49:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-07-21 22:49:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 298 transitions. [2018-07-21 22:49:45,214 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 298 transitions. Word has length 254 [2018-07-21 22:49:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:45,214 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 298 transitions. [2018-07-21 22:49:45,215 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-21 22:49:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 298 transitions. [2018-07-21 22:49:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-07-21 22:49:45,218 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:45,219 INFO L358 BasicCegarLoop]: trace histogram [88, 80, 80, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:45,219 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:45,219 INFO L82 PathProgramCache]: Analyzing trace with hash 984643007, now seen corresponding path program 15 times [2018-07-21 22:49:45,219 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:45,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:45,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:45,220 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:45,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10916 backedges. 0 proven. 9676 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-07-21 22:49:45,655 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:45,655 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:45,662 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-07-21 22:49:45,789 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 54 check-sat command(s) [2018-07-21 22:49:45,789 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:45,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10916 backedges. 0 proven. 9676 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-07-21 22:49:46,066 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:46,067 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-07-21 22:49:46,067 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-21 22:49:46,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-21 22:49:46,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-21 22:49:46,068 INFO L87 Difference]: Start difference. First operand 290 states and 298 transitions. Second operand 21 states. [2018-07-21 22:49:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:46,188 INFO L93 Difference]: Finished difference Result 362 states and 372 transitions. [2018-07-21 22:49:46,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-21 22:49:46,188 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 289 [2018-07-21 22:49:46,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:46,190 INFO L225 Difference]: With dead ends: 362 [2018-07-21 22:49:46,190 INFO L226 Difference]: Without dead ends: 358 [2018-07-21 22:49:46,191 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2018-07-21 22:49:46,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-07-21 22:49:46,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 325. [2018-07-21 22:49:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-21 22:49:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 334 transitions. [2018-07-21 22:49:46,227 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 334 transitions. Word has length 289 [2018-07-21 22:49:46,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:46,228 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 334 transitions. [2018-07-21 22:49:46,228 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-21 22:49:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 334 transitions. [2018-07-21 22:49:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-21 22:49:46,231 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:46,231 INFO L358 BasicCegarLoop]: trace histogram [99, 90, 90, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:46,231 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:46,232 INFO L82 PathProgramCache]: Analyzing trace with hash 2140809395, now seen corresponding path program 16 times [2018-07-21 22:49:46,232 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:46,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:46,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:46,233 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:46,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 13833 backedges. 0 proven. 12438 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2018-07-21 22:49:46,627 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 22:49:46,627 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-07-21 22:49:46,633 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-07-21 22:49:46,723 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-07-21 22:49:46,723 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-07-21 22:49:46,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-21 22:49:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 13833 backedges. 0 proven. 12438 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2018-07-21 22:49:47,187 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-21 22:49:47,188 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-07-21 22:49:47,188 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-21 22:49:47,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-21 22:49:47,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2018-07-21 22:49:47,189 INFO L87 Difference]: Start difference. First operand 325 states and 334 transitions. Second operand 23 states. [2018-07-21 22:49:47,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:47,329 INFO L93 Difference]: Finished difference Result 397 states and 408 transitions. [2018-07-21 22:49:47,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 22:49:47,330 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 324 [2018-07-21 22:49:47,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:47,333 INFO L225 Difference]: With dead ends: 397 [2018-07-21 22:49:47,333 INFO L226 Difference]: Without dead ends: 393 [2018-07-21 22:49:47,333 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=212, Invalid=340, Unknown=0, NotChecked=0, Total=552 [2018-07-21 22:49:47,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-07-21 22:49:47,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 360. [2018-07-21 22:49:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-07-21 22:49:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 370 transitions. [2018-07-21 22:49:47,374 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 370 transitions. Word has length 324 [2018-07-21 22:49:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:47,375 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 370 transitions. [2018-07-21 22:49:47,376 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-21 22:49:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 370 transitions. [2018-07-21 22:49:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-07-21 22:49:47,379 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 22:49:47,379 INFO L358 BasicCegarLoop]: trace histogram [110, 100, 100, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 22:49:47,379 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 22:49:47,379 INFO L82 PathProgramCache]: Analyzing trace with hash -880479937, now seen corresponding path program 17 times [2018-07-21 22:49:47,380 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 22:49:47,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 22:49:47,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:47,382 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-07-21 22:49:47,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 22:49:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 22:49:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17095 backedges. 17077 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-07-21 22:49:52,997 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 22:49:52,997 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [104] imperfect sequences [] total 104 [2018-07-21 22:49:52,998 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-21 22:49:52,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-21 22:49:53,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5255, Invalid=5457, Unknown=0, NotChecked=0, Total=10712 [2018-07-21 22:49:53,002 INFO L87 Difference]: Start difference. First operand 360 states and 370 transitions. Second operand 104 states. [2018-07-21 22:49:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 22:49:56,410 INFO L93 Difference]: Finished difference Result 14895 states and 15355 transitions. [2018-07-21 22:49:56,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-21 22:49:56,411 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 359 [2018-07-21 22:49:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 22:49:56,411 INFO L225 Difference]: With dead ends: 14895 [2018-07-21 22:49:56,411 INFO L226 Difference]: Without dead ends: 0 [2018-07-21 22:49:56,430 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=5359, Invalid=5561, Unknown=0, NotChecked=0, Total=10920 [2018-07-21 22:49:56,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-21 22:49:56,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-21 22:49:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-21 22:49:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-21 22:49:56,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-07-21 22:49:56,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 22:49:56,431 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-21 22:49:56,431 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-21 22:49:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-21 22:49:56,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-21 22:49:56,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-21 22:50:02,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:02,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:03,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:04,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:05,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:06,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:07,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:08,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:09,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:09,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:09,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:09,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:09,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:09,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:09,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:10,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:11,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:12,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:13,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:14,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:15,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:16,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:17,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:17,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:17,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:18,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:18,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:18,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:18,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:18,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:18,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:19,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:19,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:19,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:19,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:19,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:19,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:20,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:20,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:20,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:20,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:20,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:21,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:22,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:23,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:24,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:24,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:24,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:25,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:25,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:25,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:25,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:26,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:26,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:26,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:26,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:26,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:26,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:26,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:27,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:27,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:27,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:27,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:27,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:27,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:27,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:28,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:28,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:29,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:29,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:30,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:31,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:31,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:32,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:32,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:32,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:32,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:32,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:32,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:32,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:33,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:33,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:33,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:33,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:34,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:34,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:34,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:34,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:35,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:35,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:35,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:35,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:35,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:36,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:36,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:37,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:37,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:37,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:37,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:38,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:39,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:39,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:41,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:42,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:42,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:42,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:42,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:42,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:43,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:43,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:43,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:43,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:44,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:44,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:45,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:45,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:45,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:45,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:46,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:47,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:48,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:48,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:52,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:54,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:50:55,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-07-21 22:51:00,520 WARN L169 SmtUtils]: Spent 1.07 m on a formula simplification. DAG size of input: 5175 DAG size of output: 1754 [2018-07-21 22:51:01,481 WARN L169 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 664 [2018-07-21 22:51:46,165 WARN L169 SmtUtils]: Spent 44.66 s on a formula simplification. DAG size of input: 1719 DAG size of output: 362 [2018-07-21 22:51:50,825 WARN L169 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 664 DAG size of output: 59 [2018-07-21 22:51:50,829 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)))) [2018-07-21 22:51:50,829 INFO L424 ceAbstractionStarter]: At program point L23(lines 10 24) the Hoare annotation is: true [2018-07-21 22:51:50,829 INFO L421 ceAbstractionStarter]: For program point L17''(lines 17 21) no Hoare annotation was computed. [2018-07-21 22:51:50,829 INFO L421 ceAbstractionStarter]: For program point L17''''(lines 17 21) no Hoare annotation was computed. [2018-07-21 22:51:50,829 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-21 22:51:50,829 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-07-21 22:51:50,829 INFO L421 ceAbstractionStarter]: For program point L18''(lines 18 20) no Hoare annotation was computed. [2018-07-21 22:51:50,829 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-21 22:51:50,830 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)))) [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-21 22:51:50,830 INFO L424 ceAbstractionStarter]: At program point L4''(lines 3 8) the Hoare annotation is: true [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-07-21 22:51:50,830 INFO L421 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. [2018-07-21 22:51:50,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:51:50 BoogieIcfgContainer [2018-07-21 22:51:50,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 22:51:50,893 INFO L168 Benchmark]: Toolchain (without parser) took 138986.60 ms. Allocated memory was 308.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 255.7 MB in the beginning and 338.0 MB in the end (delta: -82.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. [2018-07-21 22:51:50,894 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 308.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 22:51:50,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.90 ms. Allocated memory is still 308.8 MB. Free memory was 254.7 MB in the beginning and 245.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. [2018-07-21 22:51:50,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.04 ms. Allocated memory is still 308.8 MB. Free memory was 245.6 MB in the beginning and 243.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-07-21 22:51:50,896 INFO L168 Benchmark]: Boogie Preprocessor took 23.44 ms. Allocated memory is still 308.8 MB. Free memory was 243.5 MB in the beginning and 242.5 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-07-21 22:51:50,897 INFO L168 Benchmark]: RCFGBuilder took 479.39 ms. Allocated memory was 308.8 MB in the beginning and 474.0 MB in the end (delta: 165.2 MB). Free memory was 242.5 MB in the beginning and 443.3 MB in the end (delta: -200.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. [2018-07-21 22:51:50,897 INFO L168 Benchmark]: TraceAbstraction took 138153.01 ms. Allocated memory was 474.0 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 443.3 MB in the beginning and 338.0 MB in the end (delta: 105.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. [2018-07-21 22:51:50,901 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 308.8 MB. Free memory is still 274.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 282.90 ms. Allocated memory is still 308.8 MB. Free memory was 254.7 MB in the beginning and 245.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 38.04 ms. Allocated memory is still 308.8 MB. Free memory was 245.6 MB in the beginning and 243.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.44 ms. Allocated memory is still 308.8 MB. Free memory was 243.5 MB in the beginning and 242.5 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 479.39 ms. Allocated memory was 308.8 MB in the beginning and 474.0 MB in the end (delta: 165.2 MB). Free memory was 242.5 MB in the beginning and 443.3 MB in the end (delta: -200.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 138153.01 ms. Allocated memory was 474.0 MB in the beginning and 2.1 GB in the end (delta: 1.7 GB). Free memory was 443.3 MB in the beginning and 338.0 MB in the end (delta: 105.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 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, 138.0s OverallTime, 20 OverallIterations, 110 TraceHistogramMax, 7.7s AutomataDifference, 0.0s DeadEndRemovalTime, 114.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 803 SDtfs, 1511 SDslu, 2749 SDs, 0 SdLazy, 1158 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2329 GetRequests, 1953 SyntacticMatches, 0 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1962 ImplicationChecksByTransitivity, 12.4s 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, 65.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 52642 FormulaSimplificationTreeSizeReductionInter, 49.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 12.9s 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/nested_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_22-51-50-928.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/nested_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_22-51-50-928.csv Received shutdown request...