java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:35:43,303 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:35:43,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:35:43,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:35:43,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:35:43,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:35:43,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:35:43,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:35:43,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:35:43,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:35:43,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:35:43,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:35:43,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:35:43,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:35:43,328 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:35:43,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:35:43,329 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:35:43,331 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:35:43,333 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:35:43,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:35:43,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:35:43,337 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:35:43,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:35:43,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:35:43,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:35:43,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:35:43,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:35:43,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:35:43,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:35:43,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:35:43,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:35:43,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 21:35:43,348 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 21:35:43,364 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:35:43,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:35:43,365 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:35:43,365 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:35:43,366 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:35:43,366 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:35:43,366 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 21:35:43,367 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:35:43,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:35:43,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:35:43,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:35:43,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:35:43,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:35:43,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:35:43,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:35:43,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:35:43,368 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:35:43,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:35:43,369 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:35:43,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:35:43,369 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:35:43,369 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:35:43,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:35:43,370 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 21:35:43,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:35:43,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:35:43,370 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:35:43,371 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 21:35:43,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:35:43,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:35:43,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:35:43,433 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:35:43,434 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:35:43,434 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-26 21:35:43,496 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a4652184/948e2be6adb04778995aded4e42eb82a/FLAGd96883635 [2018-10-26 21:35:44,045 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:35:44,050 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-26 21:35:44,069 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a4652184/948e2be6adb04778995aded4e42eb82a/FLAGd96883635 [2018-10-26 21:35:44,090 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a4652184/948e2be6adb04778995aded4e42eb82a [2018-10-26 21:35:44,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:35:44,102 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 21:35:44,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:35:44,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:35:44,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:35:44,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:44,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bed1149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44, skipping insertion in model container [2018-10-26 21:35:44,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:44,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:35:44,182 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:35:44,722 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:35:44,726 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:35:44,910 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:35:44,932 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:35:44,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44 WrapperNode [2018-10-26 21:35:44,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:35:44,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:35:44,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:35:44,935 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:35:44,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:44,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:35:45,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:35:45,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:35:45,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:35:45,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... [2018-10-26 21:35:45,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:35:45,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:35:45,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:35:45,304 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:35:45,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:35:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:35:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:35:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:35:48,775 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:35:48,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:35:48 BoogieIcfgContainer [2018-10-26 21:35:48,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:35:48,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:35:48,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:35:48,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:35:48,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:35:44" (1/3) ... [2018-10-26 21:35:48,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cb58bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:35:48, skipping insertion in model container [2018-10-26 21:35:48,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:35:44" (2/3) ... [2018-10-26 21:35:48,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25cb58bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:35:48, skipping insertion in model container [2018-10-26 21:35:48,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:35:48" (3/3) ... [2018-10-26 21:35:48,784 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-10-26 21:35:48,794 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:35:48,802 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:35:48,820 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:35:48,858 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:35:48,859 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:35:48,859 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:35:48,859 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:35:48,860 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:35:48,860 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:35:48,860 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:35:48,860 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:35:48,860 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:35:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-26 21:35:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:35:48,892 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:48,893 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:35:48,896 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:48,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:48,902 INFO L82 PathProgramCache]: Analyzing trace with hash -387853398, now seen corresponding path program 1 times [2018-10-26 21:35:48,904 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:48,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:48,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:48,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:48,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:35:49,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:49,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:35:49,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:35:49,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:35:49,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:35:49,303 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-26 21:35:52,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:52,296 INFO L93 Difference]: Finished difference Result 870 states and 1578 transitions. [2018-10-26 21:35:52,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:35:52,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-10-26 21:35:52,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:52,322 INFO L225 Difference]: With dead ends: 870 [2018-10-26 21:35:52,322 INFO L226 Difference]: Without dead ends: 617 [2018-10-26 21:35:52,328 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:35:52,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-10-26 21:35:52,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2018-10-26 21:35:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2018-10-26 21:35:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 940 transitions. [2018-10-26 21:35:52,423 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 940 transitions. Word has length 38 [2018-10-26 21:35:52,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:52,424 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 940 transitions. [2018-10-26 21:35:52,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:35:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 940 transitions. [2018-10-26 21:35:52,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:35:52,432 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:52,432 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:35:52,433 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:52,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:52,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1913323023, now seen corresponding path program 1 times [2018-10-26 21:35:52,434 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:52,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:52,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:52,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:52,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:35:53,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:53,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:35:53,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:35:53,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:35:53,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:35:53,102 INFO L87 Difference]: Start difference. First operand 617 states and 940 transitions. Second operand 6 states. [2018-10-26 21:35:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:59,197 INFO L93 Difference]: Finished difference Result 3026 states and 4618 transitions. [2018-10-26 21:35:59,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:35:59,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-26 21:35:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:59,212 INFO L225 Difference]: With dead ends: 3026 [2018-10-26 21:35:59,212 INFO L226 Difference]: Without dead ends: 2411 [2018-10-26 21:35:59,217 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-26 21:35:59,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2018-10-26 21:35:59,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 1870. [2018-10-26 21:35:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-10-26 21:35:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2494 transitions. [2018-10-26 21:35:59,288 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2494 transitions. Word has length 147 [2018-10-26 21:35:59,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:59,289 INFO L481 AbstractCegarLoop]: Abstraction has 1870 states and 2494 transitions. [2018-10-26 21:35:59,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:35:59,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2494 transitions. [2018-10-26 21:35:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:35:59,303 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:59,304 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:35:59,305 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:59,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:59,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1563967103, now seen corresponding path program 1 times [2018-10-26 21:35:59,306 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:59,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:59,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:59,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:59,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:59,514 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 21:35:59,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:59,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:35:59,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:35:59,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:35:59,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:35:59,516 INFO L87 Difference]: Start difference. First operand 1870 states and 2494 transitions. Second operand 4 states. [2018-10-26 21:36:04,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:04,088 INFO L93 Difference]: Finished difference Result 5170 states and 7227 transitions. [2018-10-26 21:36:04,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:36:04,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 214 [2018-10-26 21:36:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:04,107 INFO L225 Difference]: With dead ends: 5170 [2018-10-26 21:36:04,107 INFO L226 Difference]: Without dead ends: 3302 [2018-10-26 21:36:04,110 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2018-10-26 21:36:04,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3302. [2018-10-26 21:36:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3302 states. [2018-10-26 21:36:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 4301 transitions. [2018-10-26 21:36:04,177 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 4301 transitions. Word has length 214 [2018-10-26 21:36:04,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:04,177 INFO L481 AbstractCegarLoop]: Abstraction has 3302 states and 4301 transitions. [2018-10-26 21:36:04,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:36:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 4301 transitions. [2018-10-26 21:36:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-26 21:36:04,184 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:04,184 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:04,184 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:04,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:04,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1007823356, now seen corresponding path program 1 times [2018-10-26 21:36:04,185 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:04,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:04,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:04,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:04,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:04,638 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-26 21:36:04,913 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-26 21:36:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 140 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 21:36:05,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:36:05,016 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:36:05,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:05,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:36:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 21:36:05,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 21:36:05,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-26 21:36:05,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:36:05,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:36:05,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:36:05,353 INFO L87 Difference]: Start difference. First operand 3302 states and 4301 transitions. Second operand 6 states. [2018-10-26 21:36:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:12,367 INFO L93 Difference]: Finished difference Result 9155 states and 11800 transitions. [2018-10-26 21:36:12,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:36:12,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2018-10-26 21:36:12,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:12,391 INFO L225 Difference]: With dead ends: 9155 [2018-10-26 21:36:12,391 INFO L226 Difference]: Without dead ends: 5284 [2018-10-26 21:36:12,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-26 21:36:12,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2018-10-26 21:36:12,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 3285. [2018-10-26 21:36:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3285 states. [2018-10-26 21:36:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 3679 transitions. [2018-10-26 21:36:12,473 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 3679 transitions. Word has length 228 [2018-10-26 21:36:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:12,474 INFO L481 AbstractCegarLoop]: Abstraction has 3285 states and 3679 transitions. [2018-10-26 21:36:12,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:36:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 3679 transitions. [2018-10-26 21:36:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-10-26 21:36:12,481 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:12,482 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:12,482 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:12,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:12,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1637886600, now seen corresponding path program 1 times [2018-10-26 21:36:12,483 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:12,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:12,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:12,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:12,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 270 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 21:36:13,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:36:13,252 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:36:13,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:13,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:36:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-26 21:36:13,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 21:36:13,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-26 21:36:13,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 21:36:13,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 21:36:13,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-26 21:36:13,550 INFO L87 Difference]: Start difference. First operand 3285 states and 3679 transitions. Second operand 8 states. [2018-10-26 21:36:17,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:17,306 INFO L93 Difference]: Finished difference Result 8020 states and 9093 transitions. [2018-10-26 21:36:17,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 21:36:17,307 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 345 [2018-10-26 21:36:17,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:17,324 INFO L225 Difference]: With dead ends: 8020 [2018-10-26 21:36:17,324 INFO L226 Difference]: Without dead ends: 4736 [2018-10-26 21:36:17,329 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-10-26 21:36:17,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2018-10-26 21:36:17,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4537. [2018-10-26 21:36:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4537 states. [2018-10-26 21:36:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 4998 transitions. [2018-10-26 21:36:17,404 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 4998 transitions. Word has length 345 [2018-10-26 21:36:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:17,405 INFO L481 AbstractCegarLoop]: Abstraction has 4537 states and 4998 transitions. [2018-10-26 21:36:17,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 21:36:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 4998 transitions. [2018-10-26 21:36:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2018-10-26 21:36:17,418 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:17,419 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:17,419 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:17,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:17,419 INFO L82 PathProgramCache]: Analyzing trace with hash -2081368363, now seen corresponding path program 1 times [2018-10-26 21:36:17,419 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:17,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:17,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:17,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:17,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:18,079 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2018-10-26 21:36:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 711 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2018-10-26 21:36:18,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:18,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:36:18,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:36:18,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:36:18,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:36:18,334 INFO L87 Difference]: Start difference. First operand 4537 states and 4998 transitions. Second operand 7 states. [2018-10-26 21:36:20,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:20,099 INFO L93 Difference]: Finished difference Result 9314 states and 10286 transitions. [2018-10-26 21:36:20,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:36:20,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 513 [2018-10-26 21:36:20,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:20,114 INFO L225 Difference]: With dead ends: 9314 [2018-10-26 21:36:20,114 INFO L226 Difference]: Without dead ends: 4355 [2018-10-26 21:36:20,119 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:36:20,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2018-10-26 21:36:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4355. [2018-10-26 21:36:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4355 states. [2018-10-26 21:36:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 4745 transitions. [2018-10-26 21:36:20,182 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 4745 transitions. Word has length 513 [2018-10-26 21:36:20,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:20,182 INFO L481 AbstractCegarLoop]: Abstraction has 4355 states and 4745 transitions. [2018-10-26 21:36:20,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:36:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 4745 transitions. [2018-10-26 21:36:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2018-10-26 21:36:20,199 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:20,199 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:20,200 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:20,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:20,200 INFO L82 PathProgramCache]: Analyzing trace with hash -325385925, now seen corresponding path program 1 times [2018-10-26 21:36:20,200 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:20,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:20,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:20,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:20,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:20,775 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-10-26 21:36:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 909 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-26 21:36:21,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:21,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:36:21,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:36:21,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:36:21,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:21,062 INFO L87 Difference]: Start difference. First operand 4355 states and 4745 transitions. Second operand 4 states. [2018-10-26 21:36:22,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:22,729 INFO L93 Difference]: Finished difference Result 11393 states and 12676 transitions. [2018-10-26 21:36:22,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:36:22,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 640 [2018-10-26 21:36:22,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:22,754 INFO L225 Difference]: With dead ends: 11393 [2018-10-26 21:36:22,755 INFO L226 Difference]: Without dead ends: 7219 [2018-10-26 21:36:22,759 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:22,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2018-10-26 21:36:22,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7219. [2018-10-26 21:36:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7219 states. [2018-10-26 21:36:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 7846 transitions. [2018-10-26 21:36:22,874 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 7846 transitions. Word has length 640 [2018-10-26 21:36:22,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:22,875 INFO L481 AbstractCegarLoop]: Abstraction has 7219 states and 7846 transitions. [2018-10-26 21:36:22,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:36:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 7846 transitions. [2018-10-26 21:36:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2018-10-26 21:36:22,900 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:22,901 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:22,901 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:22,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:22,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1329105499, now seen corresponding path program 1 times [2018-10-26 21:36:22,902 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:22,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:22,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:22,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:22,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2018-10-26 21:36:23,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:23,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:36:23,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:36:23,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:36:23,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:23,746 INFO L87 Difference]: Start difference. First operand 7219 states and 7846 transitions. Second operand 4 states. [2018-10-26 21:36:25,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:25,257 INFO L93 Difference]: Finished difference Result 14257 states and 15510 transitions. [2018-10-26 21:36:25,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:36:25,257 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 832 [2018-10-26 21:36:25,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:25,282 INFO L225 Difference]: With dead ends: 14257 [2018-10-26 21:36:25,283 INFO L226 Difference]: Without dead ends: 7219 [2018-10-26 21:36:25,289 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:25,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2018-10-26 21:36:25,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7219. [2018-10-26 21:36:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7219 states. [2018-10-26 21:36:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 7622 transitions. [2018-10-26 21:36:25,390 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 7622 transitions. Word has length 832 [2018-10-26 21:36:25,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:25,391 INFO L481 AbstractCegarLoop]: Abstraction has 7219 states and 7622 transitions. [2018-10-26 21:36:25,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:36:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 7622 transitions. [2018-10-26 21:36:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-10-26 21:36:25,406 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:25,406 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:25,407 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:25,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:25,407 INFO L82 PathProgramCache]: Analyzing trace with hash 496632342, now seen corresponding path program 1 times [2018-10-26 21:36:25,407 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:25,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:25,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:25,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:25,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2371 backedges. 1540 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2018-10-26 21:36:26,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:26,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:36:26,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:36:26,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:36:26,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:26,480 INFO L87 Difference]: Start difference. First operand 7219 states and 7622 transitions. Second operand 4 states. [2018-10-26 21:36:28,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:28,865 INFO L93 Difference]: Finished difference Result 15689 states and 16624 transitions. [2018-10-26 21:36:28,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:36:28,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 886 [2018-10-26 21:36:28,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:28,900 INFO L225 Difference]: With dead ends: 15689 [2018-10-26 21:36:28,901 INFO L226 Difference]: Without dead ends: 8651 [2018-10-26 21:36:28,910 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:28,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8651 states. [2018-10-26 21:36:29,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8651 to 8651. [2018-10-26 21:36:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8651 states. [2018-10-26 21:36:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8651 states to 8651 states and 9095 transitions. [2018-10-26 21:36:29,144 INFO L78 Accepts]: Start accepts. Automaton has 8651 states and 9095 transitions. Word has length 886 [2018-10-26 21:36:29,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:29,145 INFO L481 AbstractCegarLoop]: Abstraction has 8651 states and 9095 transitions. [2018-10-26 21:36:29,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:36:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 8651 states and 9095 transitions. [2018-10-26 21:36:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2018-10-26 21:36:29,165 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:29,166 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:29,166 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:29,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:29,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2056836584, now seen corresponding path program 1 times [2018-10-26 21:36:29,167 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:29,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:29,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:29,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:29,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3605 backedges. 1108 proven. 0 refuted. 0 times theorem prover too weak. 2497 trivial. 0 not checked. [2018-10-26 21:36:30,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:30,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:36:30,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:36:30,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:36:30,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:30,256 INFO L87 Difference]: Start difference. First operand 8651 states and 9095 transitions. Second operand 4 states. [2018-10-26 21:36:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:31,562 INFO L93 Difference]: Finished difference Result 18016 states and 19003 transitions. [2018-10-26 21:36:31,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:36:31,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1058 [2018-10-26 21:36:31,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:31,582 INFO L225 Difference]: With dead ends: 18016 [2018-10-26 21:36:31,582 INFO L226 Difference]: Without dead ends: 9004 [2018-10-26 21:36:31,591 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:31,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9004 states. [2018-10-26 21:36:31,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9004 to 8646. [2018-10-26 21:36:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8646 states. [2018-10-26 21:36:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8646 states to 8646 states and 9005 transitions. [2018-10-26 21:36:31,686 INFO L78 Accepts]: Start accepts. Automaton has 8646 states and 9005 transitions. Word has length 1058 [2018-10-26 21:36:31,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:31,688 INFO L481 AbstractCegarLoop]: Abstraction has 8646 states and 9005 transitions. [2018-10-26 21:36:31,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:36:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 8646 states and 9005 transitions. [2018-10-26 21:36:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2018-10-26 21:36:31,708 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:31,709 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:31,709 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:31,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:31,710 INFO L82 PathProgramCache]: Analyzing trace with hash 234601072, now seen corresponding path program 1 times [2018-10-26 21:36:31,710 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:31,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:31,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:31,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:31,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 2488 proven. 0 refuted. 0 times theorem prover too weak. 1354 trivial. 0 not checked. [2018-10-26 21:36:33,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:33,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:36:33,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:36:33,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:36:33,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:36:33,332 INFO L87 Difference]: Start difference. First operand 8646 states and 9005 transitions. Second operand 5 states. [2018-10-26 21:36:36,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:36,001 INFO L93 Difference]: Finished difference Result 18912 states and 19728 transitions. [2018-10-26 21:36:36,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:36:36,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1106 [2018-10-26 21:36:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:36,018 INFO L225 Difference]: With dead ends: 18912 [2018-10-26 21:36:36,019 INFO L226 Difference]: Without dead ends: 10447 [2018-10-26 21:36:36,028 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:36:36,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10447 states. [2018-10-26 21:36:36,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10447 to 9368. [2018-10-26 21:36:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9368 states. [2018-10-26 21:36:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9368 states to 9368 states and 9752 transitions. [2018-10-26 21:36:36,147 INFO L78 Accepts]: Start accepts. Automaton has 9368 states and 9752 transitions. Word has length 1106 [2018-10-26 21:36:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:36,148 INFO L481 AbstractCegarLoop]: Abstraction has 9368 states and 9752 transitions. [2018-10-26 21:36:36,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:36:36,148 INFO L276 IsEmpty]: Start isEmpty. Operand 9368 states and 9752 transitions. [2018-10-26 21:36:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1448 [2018-10-26 21:36:36,168 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:36,169 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:36,170 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:36,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:36,170 INFO L82 PathProgramCache]: Analyzing trace with hash -997113547, now seen corresponding path program 1 times [2018-10-26 21:36:36,170 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:36,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:36,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:36,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:36,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 5800 trivial. 0 not checked. [2018-10-26 21:36:37,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:37,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:36:37,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:36:37,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:36:37,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:37,877 INFO L87 Difference]: Start difference. First operand 9368 states and 9752 transitions. Second operand 4 states. [2018-10-26 21:36:39,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:39,126 INFO L93 Difference]: Finished difference Result 22847 states and 23792 transitions. [2018-10-26 21:36:39,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:36:39,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1447 [2018-10-26 21:36:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:39,141 INFO L225 Difference]: With dead ends: 22847 [2018-10-26 21:36:39,141 INFO L226 Difference]: Without dead ends: 10961 [2018-10-26 21:36:39,151 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10961 states. [2018-10-26 21:36:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10961 to 10782. [2018-10-26 21:36:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10782 states. [2018-10-26 21:36:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10782 states to 10782 states and 11123 transitions. [2018-10-26 21:36:39,269 INFO L78 Accepts]: Start accepts. Automaton has 10782 states and 11123 transitions. Word has length 1447 [2018-10-26 21:36:39,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:39,271 INFO L481 AbstractCegarLoop]: Abstraction has 10782 states and 11123 transitions. [2018-10-26 21:36:39,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:36:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 10782 states and 11123 transitions. [2018-10-26 21:36:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1648 [2018-10-26 21:36:39,308 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:39,309 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:39,310 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:39,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:39,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1771443447, now seen corresponding path program 1 times [2018-10-26 21:36:39,311 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:39,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:39,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:39,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:39,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 8591 backedges. 3526 proven. 444 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-26 21:36:41,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:36:41,841 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:36:41,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:42,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:36:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8591 backedges. 3598 proven. 372 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-26 21:36:44,217 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:36:44,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2018-10-26 21:36:44,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 21:36:44,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 21:36:44,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:36:44,220 INFO L87 Difference]: Start difference. First operand 10782 states and 11123 transitions. Second operand 9 states. [2018-10-26 21:36:50,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:50,651 INFO L93 Difference]: Finished difference Result 23719 states and 24503 transitions. [2018-10-26 21:36:50,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 21:36:50,651 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1647 [2018-10-26 21:36:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:50,669 INFO L225 Difference]: With dead ends: 23719 [2018-10-26 21:36:50,669 INFO L226 Difference]: Without dead ends: 12758 [2018-10-26 21:36:50,682 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1663 GetRequests, 1650 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-26 21:36:50,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12758 states. [2018-10-26 21:36:50,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12758 to 11501. [2018-10-26 21:36:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11501 states. [2018-10-26 21:36:50,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 11821 transitions. [2018-10-26 21:36:50,826 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 11821 transitions. Word has length 1647 [2018-10-26 21:36:50,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:50,828 INFO L481 AbstractCegarLoop]: Abstraction has 11501 states and 11821 transitions. [2018-10-26 21:36:50,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 21:36:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 11821 transitions. [2018-10-26 21:36:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2018-10-26 21:36:50,867 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:36:50,868 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:36:50,868 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:36:50,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:36:50,869 INFO L82 PathProgramCache]: Analyzing trace with hash -494298241, now seen corresponding path program 1 times [2018-10-26 21:36:50,869 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:36:50,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:36:50,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:50,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:36:50,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:36:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:36:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10214 backedges. 4394 proven. 0 refuted. 0 times theorem prover too weak. 5820 trivial. 0 not checked. [2018-10-26 21:36:53,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:36:53,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:36:53,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:36:53,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:36:53,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:53,289 INFO L87 Difference]: Start difference. First operand 11501 states and 11821 transitions. Second operand 4 states. [2018-10-26 21:36:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:36:54,594 INFO L93 Difference]: Finished difference Result 19582 states and 20098 transitions. [2018-10-26 21:36:54,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:36:54,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1821 [2018-10-26 21:36:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:36:54,596 INFO L225 Difference]: With dead ends: 19582 [2018-10-26 21:36:54,596 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:36:54,604 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:36:54,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:36:54,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:36:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:36:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:36:54,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1821 [2018-10-26 21:36:54,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:36:54,606 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:36:54,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:36:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:36:54,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:36:54,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:36:54,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,810 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 147 [2018-10-26 21:36:54,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:36:54,960 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 147 [2018-10-26 21:36:57,589 WARN L179 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2018-10-26 21:36:58,969 WARN L179 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-26 21:36:58,973 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-26 21:36:58,974 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-26 21:36:58,975 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-26 21:36:58,976 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-26 21:36:58,977 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,978 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,979 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-26 21:36:58,980 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,981 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-26 21:36:58,982 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-26 21:36:58,983 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,984 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,985 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-26 21:36:58,986 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-26 21:36:58,987 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,988 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,988 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse20 (= ~a21~0 10)) (.cse18 (= ~a21~0 7)) (.cse22 (+ ~a12~0 43)) (.cse0 (= ~a15~0 8))) (let ((.cse12 (not (= 7 ~a15~0))) (.cse9 (not .cse0)) (.cse17 (<= .cse22 0)) (.cse19 (<= 9 ~a15~0)) (.cse2 (<= ~a12~0 11)) (.cse3 (< 0 .cse22)) (.cse8 (= ~a21~0 8)) (.cse16 (= ~a15~0 7)) (.cse5 (<= ~a12~0 72)) (.cse14 (not .cse18)) (.cse6 (<= 19 ~a12~0)) (.cse13 (<= ~a15~0 8)) (.cse11 (<= ~a21~0 6)) (.cse7 (<= ~a12~0 73282)) (.cse4 (= ~a15~0 5)) (.cse15 (not .cse20)) (.cse10 (< 80 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse21 (<= (+ ~a12~0 49) 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8) (and .cse1 .cse9 .cse10 (= ~a21~0 9)) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse1 .cse11) (and .cse1 .cse8 (<= (+ ~a12~0 526767) 0)) (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15) (and .cse1 .cse8 .cse5 .cse6) (and .cse16 (and (and .cse17 .cse1) .cse18)) (and .cse1 .cse19 .cse20 .cse2) (and .cse1 .cse20 .cse4 .cse10) (and .cse1 .cse8 .cse2 .cse3) (and (and (or (and .cse1 .cse19 .cse20 .cse10) (and .cse13 .cse21 .cse11)) .cse12) .cse9) (and .cse1 .cse4 .cse8) (and (and .cse17 .cse0 .cse1) .cse20) (and .cse16 .cse1 .cse20) (or (and .cse1 .cse19 .cse8 .cse10) (and .cse1 .cse18 .cse10)) (and .cse1 .cse20 .cse2 .cse3) (and (<= ~a12~0 80) .cse0 .cse1 .cse14 .cse15) (and .cse16 .cse1 .cse8) (and .cse16 .cse1 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse4 .cse15) (and .cse0 .cse1 .cse20 .cse10) (and .cse0 .cse1 .cse21)))) [2018-10-26 21:36:58,988 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,989 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-26 21:36:58,990 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-26 21:36:58,991 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-10-26 21:36:58,992 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,992 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,992 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-26 21:36:58,992 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,992 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-26 21:36:58,992 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse20 (= ~a21~0 10)) (.cse18 (= ~a21~0 7)) (.cse22 (+ ~a12~0 43)) (.cse0 (= ~a15~0 8))) (let ((.cse12 (not (= 7 ~a15~0))) (.cse9 (not .cse0)) (.cse17 (<= .cse22 0)) (.cse19 (<= 9 ~a15~0)) (.cse2 (<= ~a12~0 11)) (.cse3 (< 0 .cse22)) (.cse8 (= ~a21~0 8)) (.cse16 (= ~a15~0 7)) (.cse5 (<= ~a12~0 72)) (.cse14 (not .cse18)) (.cse6 (<= 19 ~a12~0)) (.cse13 (<= ~a15~0 8)) (.cse11 (<= ~a21~0 6)) (.cse7 (<= ~a12~0 73282)) (.cse4 (= ~a15~0 5)) (.cse15 (not .cse20)) (.cse10 (< 80 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse21 (<= (+ ~a12~0 49) 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8) (and .cse1 .cse9 .cse10 (= ~a21~0 9)) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse1 .cse11) (and .cse1 .cse8 (<= (+ ~a12~0 526767) 0)) (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15) (and .cse1 .cse8 .cse5 .cse6) (and .cse16 (and (and .cse17 .cse1) .cse18)) (and .cse1 .cse19 .cse20 .cse2) (and .cse1 .cse20 .cse4 .cse10) (and .cse1 .cse8 .cse2 .cse3) (and (and (or (and .cse1 .cse19 .cse20 .cse10) (and .cse13 .cse21 .cse11)) .cse12) .cse9) (and .cse1 .cse4 .cse8) (and (and .cse17 .cse0 .cse1) .cse20) (and .cse16 .cse1 .cse20) (or (and .cse1 .cse19 .cse8 .cse10) (and .cse1 .cse18 .cse10)) (and .cse1 .cse20 .cse2 .cse3) (and (<= ~a12~0 80) .cse0 .cse1 .cse14 .cse15) (and .cse16 .cse1 .cse8) (and .cse16 .cse1 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse4 .cse15) (and .cse0 .cse1 .cse20 .cse10) (and .cse0 .cse1 .cse21)))) [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-26 21:36:58,993 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-26 21:36:58,994 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-26 21:36:58,995 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,996 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,997 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,998 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:36:58,998 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-26 21:36:58,998 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-26 21:36:58,998 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-26 21:36:58,998 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 21:36:58,998 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-26 21:36:59,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:36:59 BoogieIcfgContainer [2018-10-26 21:36:59,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:36:59,041 INFO L168 Benchmark]: Toolchain (without parser) took 74940.00 ms. Allocated memory was 1.6 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-26 21:36:59,045 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 21:36:59,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.57 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-26 21:36:59,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 247.25 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-26 21:36:59,051 INFO L168 Benchmark]: Boogie Preprocessor took 120.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-10-26 21:36:59,052 INFO L168 Benchmark]: RCFGBuilder took 3471.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2018-10-26 21:36:59,053 INFO L168 Benchmark]: TraceAbstraction took 70262.81 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -491.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-26 21:36:59,062 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 830.57 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 247.25 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 757.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3471.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 70262.81 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.6 GB in the end (delta: -491.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) || ((a24 == 1 && a15 == 5) && a12 <= 11)) || (((a24 == 1 && a15 == 5) && a12 <= 72) && 19 <= a12)) || (((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8)) || (((a24 == 1 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || (((a12 <= 95434 && 95381 <= a12) && a24 == 1) && a21 <= 6)) || ((a24 == 1 && a21 == 8) && a12 + 526767 <= 0)) || (((((!(7 == a15) && a24 == 1) && a12 <= 11) && a15 <= 8) && !(a21 == 7)) && !(a21 == 10))) || (((a24 == 1 && a21 == 8) && a12 <= 72) && 19 <= a12)) || (a15 == 7 && (a12 + 43 <= 0 && a24 == 1) && a21 == 7)) || (((a24 == 1 && 9 <= a15) && a21 == 10) && a12 <= 11)) || (((a24 == 1 && a21 == 10) && a15 == 5) && 80 < a12)) || (((a24 == 1 && a21 == 8) && a12 <= 11) && 0 < a12 + 43)) || ((((((a24 == 1 && 9 <= a15) && a21 == 10) && 80 < a12) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) && !(7 == a15)) && !(a15 == 8))) || ((a24 == 1 && a15 == 5) && a21 == 8)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || ((a15 == 7 && a24 == 1) && a21 == 10)) || (((a24 == 1 && 9 <= a15) && a21 == 8) && 80 < a12) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) && !(a21 == 10))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((a15 == 7 && a24 == 1) && a12 <= 72) && !(a21 == 7)) && 19 <= a12)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (((a12 <= 73282 && a24 == 1) && a15 == 5) && !(a21 == 10))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) || ((a24 == 1 && a15 == 5) && a12 <= 11)) || (((a24 == 1 && a15 == 5) && a12 <= 72) && 19 <= a12)) || (((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8)) || (((a24 == 1 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || (((a12 <= 95434 && 95381 <= a12) && a24 == 1) && a21 <= 6)) || ((a24 == 1 && a21 == 8) && a12 + 526767 <= 0)) || (((((!(7 == a15) && a24 == 1) && a12 <= 11) && a15 <= 8) && !(a21 == 7)) && !(a21 == 10))) || (((a24 == 1 && a21 == 8) && a12 <= 72) && 19 <= a12)) || (a15 == 7 && (a12 + 43 <= 0 && a24 == 1) && a21 == 7)) || (((a24 == 1 && 9 <= a15) && a21 == 10) && a12 <= 11)) || (((a24 == 1 && a21 == 10) && a15 == 5) && 80 < a12)) || (((a24 == 1 && a21 == 8) && a12 <= 11) && 0 < a12 + 43)) || ((((((a24 == 1 && 9 <= a15) && a21 == 10) && 80 < a12) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) && !(7 == a15)) && !(a15 == 8))) || ((a24 == 1 && a15 == 5) && a21 == 8)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || ((a15 == 7 && a24 == 1) && a21 == 10)) || (((a24 == 1 && 9 <= a15) && a21 == 8) && 80 < a12) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) && !(a21 == 10))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((a15 == 7 && a24 == 1) && a12 <= 72) && !(a21 == 7)) && 19 <= a12)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (((a12 <= 73282 && a24 == 1) && a15 == 5) && !(a21 == 10))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 + 49 <= 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 70.1s OverallTime, 14 OverallIterations, 15 TraceHistogramMax, 45.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2288 SDtfs, 8463 SDslu, 1702 SDs, 0 SdLazy, 24772 SolverSat, 2647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2314 GetRequests, 2245 SyntacticMatches, 12 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11501occurred in iteration=13, 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: 1.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 5612 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 156 NumberOfFragments, 779 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5812 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2952 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 13142 NumberOfCodeBlocks, 13142 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 13125 ConstructedInterpolants, 0 QuantifiedInterpolants, 26969950 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2740 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 48143/49010 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...