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_label23_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:34:06,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:34:06,580 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:34:06,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:34:06,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:34:06,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:34:06,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:34:06,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:34:06,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:34:06,600 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:34:06,601 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:34:06,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:34:06,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:34:06,603 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:34:06,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:34:06,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:34:06,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:34:06,608 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:34:06,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:34:06,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:34:06,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:34:06,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:34:06,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:34:06,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:34:06,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:34:06,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:34:06,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:34:06,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:34:06,621 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:34:06,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:34:06,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:34:06,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 21:34:06,626 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 21:34:06,654 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:34:06,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:34:06,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:34:06,655 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:34:06,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:34:06,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:34:06,656 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 21:34:06,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:34:06,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:34:06,657 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:34:06,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:34:06,657 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:34:06,657 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:34:06,657 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:34:06,657 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:34:06,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:34:06,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:34:06,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:34:06,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:34:06,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:34:06,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:34:06,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:34:06,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:34:06,659 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 21:34:06,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:34:06,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:34:06,660 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:34:06,660 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 21:34:06,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:34:06,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:34:06,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:34:06,728 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:34:06,729 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:34:06,729 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-10-26 21:34:06,793 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e13b5a08d/065cb15c977f43209b25f1d3f2a0dfd0/FLAGb3a9d0da7 [2018-10-26 21:34:07,404 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:34:07,405 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-10-26 21:34:07,429 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e13b5a08d/065cb15c977f43209b25f1d3f2a0dfd0/FLAGb3a9d0da7 [2018-10-26 21:34:07,449 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e13b5a08d/065cb15c977f43209b25f1d3f2a0dfd0 [2018-10-26 21:34:07,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:34:07,462 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 21:34:07,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:34:07,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:34:07,467 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:34:07,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:34:07" (1/1) ... [2018-10-26 21:34:07,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777de76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:07, skipping insertion in model container [2018-10-26 21:34:07,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:34:07" (1/1) ... [2018-10-26 21:34:07,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:34:07,551 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:34:08,014 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:34:08,019 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:34:08,203 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:34:08,223 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:34:08,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08 WrapperNode [2018-10-26 21:34:08,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:34:08,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:34:08,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:34:08,226 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:34:08,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:34:08,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:34:08,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:34:08,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:34:08,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (1/1) ... [2018-10-26 21:34:08,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:34:08,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:34:08,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:34:08,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:34:08,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (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 21:34:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:34:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:34:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:34:12,305 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:34:12,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:34:12 BoogieIcfgContainer [2018-10-26 21:34:12,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:34:12,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:34:12,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:34:12,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:34:12,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:34:07" (1/3) ... [2018-10-26 21:34:12,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20575f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:34:12, skipping insertion in model container [2018-10-26 21:34:12,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:34:08" (2/3) ... [2018-10-26 21:34:12,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20575f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:34:12, skipping insertion in model container [2018-10-26 21:34:12,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:34:12" (3/3) ... [2018-10-26 21:34:12,315 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label23_true-unreach-call_false-termination.c [2018-10-26 21:34:12,324 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:34:12,333 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:34:12,351 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:34:12,389 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:34:12,390 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:34:12,390 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:34:12,390 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:34:12,391 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:34:12,391 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:34:12,391 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:34:12,391 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:34:12,391 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:34:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-26 21:34:12,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 21:34:12,424 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:12,425 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] [2018-10-26 21:34:12,427 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:12,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:12,433 INFO L82 PathProgramCache]: Analyzing trace with hash 575043410, now seen corresponding path program 1 times [2018-10-26 21:34:12,435 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:12,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:12,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:12,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:12,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:12,854 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 21:34:12,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:12,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:34:12,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:34:12,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:34:12,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:34:12,877 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-26 21:34:15,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:15,885 INFO L93 Difference]: Finished difference Result 854 states and 1562 transitions. [2018-10-26 21:34:15,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:34:15,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-10-26 21:34:15,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:15,911 INFO L225 Difference]: With dead ends: 854 [2018-10-26 21:34:15,911 INFO L226 Difference]: Without dead ends: 601 [2018-10-26 21:34:15,917 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 21:34:15,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-10-26 21:34:16,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-10-26 21:34:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-10-26 21:34:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1045 transitions. [2018-10-26 21:34:16,007 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1045 transitions. Word has length 33 [2018-10-26 21:34:16,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:16,007 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 1045 transitions. [2018-10-26 21:34:16,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:34:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1045 transitions. [2018-10-26 21:34:16,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 21:34:16,014 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:16,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:34:16,015 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:16,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:16,016 INFO L82 PathProgramCache]: Analyzing trace with hash -2032441875, now seen corresponding path program 1 times [2018-10-26 21:34:16,016 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:16,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:16,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:16,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:16,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:34:16,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:16,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:34:16,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:34:16,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:34:16,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:34:16,395 INFO L87 Difference]: Start difference. First operand 601 states and 1045 transitions. Second operand 4 states. [2018-10-26 21:34:18,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:18,841 INFO L93 Difference]: Finished difference Result 1379 states and 2382 transitions. [2018-10-26 21:34:18,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:34:18,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-10-26 21:34:18,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:18,848 INFO L225 Difference]: With dead ends: 1379 [2018-10-26 21:34:18,848 INFO L226 Difference]: Without dead ends: 780 [2018-10-26 21:34:18,852 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 21:34:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2018-10-26 21:34:18,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2018-10-26 21:34:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-10-26 21:34:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1189 transitions. [2018-10-26 21:34:18,962 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1189 transitions. Word has length 104 [2018-10-26 21:34:18,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:18,962 INFO L481 AbstractCegarLoop]: Abstraction has 780 states and 1189 transitions. [2018-10-26 21:34:18,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:34:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1189 transitions. [2018-10-26 21:34:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 21:34:18,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:18,970 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 21:34:18,970 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:18,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:18,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2057496071, now seen corresponding path program 1 times [2018-10-26 21:34:18,971 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:18,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:18,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:18,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:18,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 21:34:19,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:19,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:34:19,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:34:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:34:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:34:19,316 INFO L87 Difference]: Start difference. First operand 780 states and 1189 transitions. Second operand 4 states. [2018-10-26 21:34:22,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:22,651 INFO L93 Difference]: Finished difference Result 2643 states and 4039 transitions. [2018-10-26 21:34:22,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:34:22,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2018-10-26 21:34:22,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:22,663 INFO L225 Difference]: With dead ends: 2643 [2018-10-26 21:34:22,663 INFO L226 Difference]: Without dead ends: 1865 [2018-10-26 21:34:22,665 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 21:34:22,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2018-10-26 21:34:22,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1865. [2018-10-26 21:34:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1865 states. [2018-10-26 21:34:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2568 transitions. [2018-10-26 21:34:22,709 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2568 transitions. Word has length 179 [2018-10-26 21:34:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:22,710 INFO L481 AbstractCegarLoop]: Abstraction has 1865 states and 2568 transitions. [2018-10-26 21:34:22,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:34:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2568 transitions. [2018-10-26 21:34:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 21:34:22,716 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:22,716 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 21:34:22,717 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:22,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:22,717 INFO L82 PathProgramCache]: Analyzing trace with hash -659484655, now seen corresponding path program 1 times [2018-10-26 21:34:22,717 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:22,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:22,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:22,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:22,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:34:23,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:23,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:34:23,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:34:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:34:23,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:34:23,237 INFO L87 Difference]: Start difference. First operand 1865 states and 2568 transitions. Second operand 7 states. [2018-10-26 21:34:28,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:28,800 INFO L93 Difference]: Finished difference Result 4874 states and 6712 transitions. [2018-10-26 21:34:28,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:34:28,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2018-10-26 21:34:28,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:28,812 INFO L225 Difference]: With dead ends: 4874 [2018-10-26 21:34:28,812 INFO L226 Difference]: Without dead ends: 2039 [2018-10-26 21:34:28,816 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:34:28,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2018-10-26 21:34:28,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 1860. [2018-10-26 21:34:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1860 states. [2018-10-26 21:34:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2176 transitions. [2018-10-26 21:34:28,857 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2176 transitions. Word has length 183 [2018-10-26 21:34:28,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:28,857 INFO L481 AbstractCegarLoop]: Abstraction has 1860 states and 2176 transitions. [2018-10-26 21:34:28,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:34:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2176 transitions. [2018-10-26 21:34:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-10-26 21:34:28,866 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:28,867 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:34:28,867 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:28,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:28,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1939534344, now seen corresponding path program 1 times [2018-10-26 21:34:28,868 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:28,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:28,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:28,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:28,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:29,208 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:34:29,645 WARN L179 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2018-10-26 21:34:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-26 21:34:30,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:30,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:34:30,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:34:30,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:34:30,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:34:30,049 INFO L87 Difference]: Start difference. First operand 1860 states and 2176 transitions. Second operand 6 states. [2018-10-26 21:34:31,926 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 21:34:34,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:34,772 INFO L93 Difference]: Finished difference Result 3936 states and 4572 transitions. [2018-10-26 21:34:34,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:34:34,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 410 [2018-10-26 21:34:34,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:34,782 INFO L225 Difference]: With dead ends: 3936 [2018-10-26 21:34:34,782 INFO L226 Difference]: Without dead ends: 2078 [2018-10-26 21:34:34,785 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:34:34,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2018-10-26 21:34:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 2039. [2018-10-26 21:34:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2039 states. [2018-10-26 21:34:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2356 transitions. [2018-10-26 21:34:34,822 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2356 transitions. Word has length 410 [2018-10-26 21:34:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:34,823 INFO L481 AbstractCegarLoop]: Abstraction has 2039 states and 2356 transitions. [2018-10-26 21:34:34,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:34:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2356 transitions. [2018-10-26 21:34:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2018-10-26 21:34:34,834 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:34,835 INFO L375 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 21:34:34,835 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:34,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:34,836 INFO L82 PathProgramCache]: Analyzing trace with hash -441096333, now seen corresponding path program 1 times [2018-10-26 21:34:34,836 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:34,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:34,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:34,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:34,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:35,456 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-26 21:34:35,682 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-26 21:34:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 498 proven. 46 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-26 21:34:36,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:34:36,132 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 21:34:36,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:36,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:34:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 521 proven. 23 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-26 21:34:36,920 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:34:36,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-10-26 21:34:36,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 21:34:36,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 21:34:36,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:34:36,923 INFO L87 Difference]: Start difference. First operand 2039 states and 2356 transitions. Second operand 9 states. [2018-10-26 21:34:41,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:41,134 INFO L93 Difference]: Finished difference Result 4661 states and 5318 transitions. [2018-10-26 21:34:41,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 21:34:41,135 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 517 [2018-10-26 21:34:41,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:41,146 INFO L225 Difference]: With dead ends: 4661 [2018-10-26 21:34:41,146 INFO L226 Difference]: Without dead ends: 2803 [2018-10-26 21:34:41,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 515 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-10-26 21:34:41,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2018-10-26 21:34:41,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2217. [2018-10-26 21:34:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2217 states. [2018-10-26 21:34:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2534 transitions. [2018-10-26 21:34:41,198 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2534 transitions. Word has length 517 [2018-10-26 21:34:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:41,199 INFO L481 AbstractCegarLoop]: Abstraction has 2217 states and 2534 transitions. [2018-10-26 21:34:41,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 21:34:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2534 transitions. [2018-10-26 21:34:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2018-10-26 21:34:41,214 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:41,215 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, 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, 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 21:34:41,215 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:41,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:41,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1336256806, now seen corresponding path program 1 times [2018-10-26 21:34:41,216 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:41,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:41,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:41,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:41,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:41,827 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-10-26 21:34:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 858 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-10-26 21:34:42,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:42,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:34:42,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:34:42,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:34:42,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:34:42,079 INFO L87 Difference]: Start difference. First operand 2217 states and 2534 transitions. Second operand 4 states. [2018-10-26 21:34:44,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:44,125 INFO L93 Difference]: Finished difference Result 7117 states and 8342 transitions. [2018-10-26 21:34:44,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:34:44,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 623 [2018-10-26 21:34:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:44,147 INFO L225 Difference]: With dead ends: 7117 [2018-10-26 21:34:44,147 INFO L226 Difference]: Without dead ends: 5081 [2018-10-26 21:34:44,151 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 21:34:44,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5081 states. [2018-10-26 21:34:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5081 to 5081. [2018-10-26 21:34:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5081 states. [2018-10-26 21:34:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5081 states to 5081 states and 5657 transitions. [2018-10-26 21:34:44,236 INFO L78 Accepts]: Start accepts. Automaton has 5081 states and 5657 transitions. Word has length 623 [2018-10-26 21:34:44,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:44,237 INFO L481 AbstractCegarLoop]: Abstraction has 5081 states and 5657 transitions. [2018-10-26 21:34:44,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:34:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5081 states and 5657 transitions. [2018-10-26 21:34:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2018-10-26 21:34:44,245 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:44,246 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 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 21:34:44,246 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:44,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash 246335204, now seen corresponding path program 1 times [2018-10-26 21:34:44,248 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:44,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:44,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:44,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:44,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 1160 proven. 156 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-10-26 21:34:45,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:34:45,425 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 21:34:45,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:45,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:34:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2018-10-26 21:34:45,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 21:34:45,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-10-26 21:34:45,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:34:45,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:34:45,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:34:45,920 INFO L87 Difference]: Start difference. First operand 5081 states and 5657 transitions. Second operand 6 states. [2018-10-26 21:34:49,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:49,499 INFO L93 Difference]: Finished difference Result 13928 states and 15907 transitions. [2018-10-26 21:34:49,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 21:34:49,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 763 [2018-10-26 21:34:49,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:49,532 INFO L225 Difference]: With dead ends: 13928 [2018-10-26 21:34:49,532 INFO L226 Difference]: Without dead ends: 8848 [2018-10-26 21:34:49,539 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 767 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:34:49,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2018-10-26 21:34:49,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 7403. [2018-10-26 21:34:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7403 states. [2018-10-26 21:34:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7403 states to 7403 states and 8155 transitions. [2018-10-26 21:34:49,671 INFO L78 Accepts]: Start accepts. Automaton has 7403 states and 8155 transitions. Word has length 763 [2018-10-26 21:34:49,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:49,672 INFO L481 AbstractCegarLoop]: Abstraction has 7403 states and 8155 transitions. [2018-10-26 21:34:49,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:34:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7403 states and 8155 transitions. [2018-10-26 21:34:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2018-10-26 21:34:49,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:49,687 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1] [2018-10-26 21:34:49,687 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:49,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:49,688 INFO L82 PathProgramCache]: Analyzing trace with hash -127241302, now seen corresponding path program 1 times [2018-10-26 21:34:49,688 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:49,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:49,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:49,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:49,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2708 backedges. 1621 proven. 0 refuted. 0 times theorem prover too weak. 1087 trivial. 0 not checked. [2018-10-26 21:34:51,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:51,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:34:51,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:34:51,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:34:51,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:34:51,117 INFO L87 Difference]: Start difference. First operand 7403 states and 8155 transitions. Second operand 6 states. [2018-10-26 21:34:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:53,926 INFO L93 Difference]: Finished difference Result 16777 states and 18516 transitions. [2018-10-26 21:34:53,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:34:53,926 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 895 [2018-10-26 21:34:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:53,965 INFO L225 Difference]: With dead ends: 16777 [2018-10-26 21:34:53,965 INFO L226 Difference]: Without dead ends: 9555 [2018-10-26 21:34:53,974 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-26 21:34:53,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9555 states. [2018-10-26 21:34:54,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9555 to 7582. [2018-10-26 21:34:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7582 states. [2018-10-26 21:34:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7582 states to 7582 states and 8277 transitions. [2018-10-26 21:34:54,116 INFO L78 Accepts]: Start accepts. Automaton has 7582 states and 8277 transitions. Word has length 895 [2018-10-26 21:34:54,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:54,118 INFO L481 AbstractCegarLoop]: Abstraction has 7582 states and 8277 transitions. [2018-10-26 21:34:54,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:34:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7582 states and 8277 transitions. [2018-10-26 21:34:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2018-10-26 21:34:54,137 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:54,138 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 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, 2, 2, 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] [2018-10-26 21:34:54,139 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:54,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:54,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1687156824, now seen corresponding path program 1 times [2018-10-26 21:34:54,139 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:54,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:54,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:54,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:54,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 1796 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2018-10-26 21:34:55,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:34:55,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:34:55,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:34:55,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:34:55,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:34:55,392 INFO L87 Difference]: Start difference. First operand 7582 states and 8277 transitions. Second operand 4 states. [2018-10-26 21:34:58,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:34:58,364 INFO L93 Difference]: Finished difference Result 16594 states and 18219 transitions. [2018-10-26 21:34:58,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:34:58,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 928 [2018-10-26 21:34:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:34:58,400 INFO L225 Difference]: With dead ends: 16594 [2018-10-26 21:34:58,400 INFO L226 Difference]: Without dead ends: 9193 [2018-10-26 21:34:58,409 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 21:34:58,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9193 states. [2018-10-26 21:34:58,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9193 to 9193. [2018-10-26 21:34:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9193 states. [2018-10-26 21:34:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9193 states to 9193 states and 9899 transitions. [2018-10-26 21:34:58,547 INFO L78 Accepts]: Start accepts. Automaton has 9193 states and 9899 transitions. Word has length 928 [2018-10-26 21:34:58,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:34:58,548 INFO L481 AbstractCegarLoop]: Abstraction has 9193 states and 9899 transitions. [2018-10-26 21:34:58,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:34:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 9193 states and 9899 transitions. [2018-10-26 21:34:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1025 [2018-10-26 21:34:58,566 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:34:58,567 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, 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, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:34:58,567 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:34:58,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:34:58,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1348324996, now seen corresponding path program 1 times [2018-10-26 21:34:58,568 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:34:58,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:34:58,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:58,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:34:58,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:34:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:34:59,560 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-26 21:35:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3442 backedges. 908 proven. 0 refuted. 0 times theorem prover too weak. 2534 trivial. 0 not checked. [2018-10-26 21:35:00,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:00,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:35:00,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:35:00,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:35:00,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:35:00,413 INFO L87 Difference]: Start difference. First operand 9193 states and 9899 transitions. Second operand 7 states. [2018-10-26 21:35:02,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:02,625 INFO L93 Difference]: Finished difference Result 18967 states and 20502 transitions. [2018-10-26 21:35:02,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:35:02,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1024 [2018-10-26 21:35:02,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:02,643 INFO L225 Difference]: With dead ends: 18967 [2018-10-26 21:35:02,643 INFO L226 Difference]: Without dead ends: 9189 [2018-10-26 21:35:02,653 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:35:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9189 states. [2018-10-26 21:35:02,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9189 to 9189. [2018-10-26 21:35:02,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9189 states. [2018-10-26 21:35:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9189 states to 9189 states and 9876 transitions. [2018-10-26 21:35:02,776 INFO L78 Accepts]: Start accepts. Automaton has 9189 states and 9876 transitions. Word has length 1024 [2018-10-26 21:35:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:02,778 INFO L481 AbstractCegarLoop]: Abstraction has 9189 states and 9876 transitions. [2018-10-26 21:35:02,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:35:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand 9189 states and 9876 transitions. [2018-10-26 21:35:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2018-10-26 21:35:02,796 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:02,797 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, 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, 9, 9, 9, 9, 9, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:35:02,797 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:02,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:02,798 INFO L82 PathProgramCache]: Analyzing trace with hash -380960909, now seen corresponding path program 1 times [2018-10-26 21:35:02,798 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:02,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:02,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:02,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:02,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:04,047 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-26 21:35:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3602 backedges. 1626 proven. 7 refuted. 0 times theorem prover too weak. 1969 trivial. 0 not checked. [2018-10-26 21:35:05,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:35:05,117 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 21:35:05,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:05,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:35:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3602 backedges. 908 proven. 0 refuted. 0 times theorem prover too weak. 2694 trivial. 0 not checked. [2018-10-26 21:35:06,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 21:35:06,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2018-10-26 21:35:06,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:35:06,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:35:06,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:35:06,728 INFO L87 Difference]: Start difference. First operand 9189 states and 9876 transitions. Second operand 7 states. [2018-10-26 21:35:09,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:09,805 INFO L93 Difference]: Finished difference Result 20165 states and 21650 transitions. [2018-10-26 21:35:09,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:35:09,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1065 [2018-10-26 21:35:09,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:09,823 INFO L225 Difference]: With dead ends: 20165 [2018-10-26 21:35:09,823 INFO L226 Difference]: Without dead ends: 11157 [2018-10-26 21:35:09,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 1069 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:35:09,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11157 states. [2018-10-26 21:35:09,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11157 to 11157. [2018-10-26 21:35:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11157 states. [2018-10-26 21:35:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11157 states to 11157 states and 11801 transitions. [2018-10-26 21:35:09,984 INFO L78 Accepts]: Start accepts. Automaton has 11157 states and 11801 transitions. Word has length 1065 [2018-10-26 21:35:09,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:09,985 INFO L481 AbstractCegarLoop]: Abstraction has 11157 states and 11801 transitions. [2018-10-26 21:35:09,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:35:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 11157 states and 11801 transitions. [2018-10-26 21:35:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2018-10-26 21:35:10,008 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:10,009 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, 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, 9, 9, 9, 9, 9, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 21:35:10,009 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:10,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:10,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1713622009, now seen corresponding path program 1 times [2018-10-26 21:35:10,010 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:10,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:10,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:10,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:10,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:10,837 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-10-26 21:35:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3704 backedges. 2355 proven. 0 refuted. 0 times theorem prover too weak. 1349 trivial. 0 not checked. [2018-10-26 21:35:11,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:11,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:35:11,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:35:11,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:35:11,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:35:11,442 INFO L87 Difference]: Start difference. First operand 11157 states and 11801 transitions. Second operand 5 states. [2018-10-26 21:35:13,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:13,008 INFO L93 Difference]: Finished difference Result 23031 states and 24363 transitions. [2018-10-26 21:35:13,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:35:13,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1118 [2018-10-26 21:35:13,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:13,026 INFO L225 Difference]: With dead ends: 23031 [2018-10-26 21:35:13,026 INFO L226 Difference]: Without dead ends: 12055 [2018-10-26 21:35:13,037 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:35:13,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12055 states. [2018-10-26 21:35:13,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12055 to 11695. [2018-10-26 21:35:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11695 states. [2018-10-26 21:35:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11695 states to 11695 states and 12351 transitions. [2018-10-26 21:35:13,179 INFO L78 Accepts]: Start accepts. Automaton has 11695 states and 12351 transitions. Word has length 1118 [2018-10-26 21:35:13,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:13,180 INFO L481 AbstractCegarLoop]: Abstraction has 11695 states and 12351 transitions. [2018-10-26 21:35:13,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:35:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 11695 states and 12351 transitions. [2018-10-26 21:35:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2018-10-26 21:35:13,220 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:13,221 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, 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, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 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, 10, 9, 9, 9, 8, 8, 8, 8, 7, 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, 3, 3, 3, 3, 3, 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] [2018-10-26 21:35:13,221 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:13,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:13,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1248022839, now seen corresponding path program 1 times [2018-10-26 21:35:13,222 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:13,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:13,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:13,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:13,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 9564 backedges. 4708 proven. 0 refuted. 0 times theorem prover too weak. 4856 trivial. 0 not checked. [2018-10-26 21:35:15,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:15,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:35:15,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:35:15,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:35:15,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:35:15,344 INFO L87 Difference]: Start difference. First operand 11695 states and 12351 transitions. Second operand 3 states. [2018-10-26 21:35:16,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:16,424 INFO L93 Difference]: Finished difference Result 25536 states and 26960 transitions. [2018-10-26 21:35:16,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:35:16,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1708 [2018-10-26 21:35:16,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:16,439 INFO L225 Difference]: With dead ends: 25536 [2018-10-26 21:35:16,439 INFO L226 Difference]: Without dead ends: 14022 [2018-10-26 21:35:16,448 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:35:16,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14022 states. [2018-10-26 21:35:16,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14022 to 12583. [2018-10-26 21:35:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12583 states. [2018-10-26 21:35:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12583 states to 12583 states and 13265 transitions. [2018-10-26 21:35:16,611 INFO L78 Accepts]: Start accepts. Automaton has 12583 states and 13265 transitions. Word has length 1708 [2018-10-26 21:35:16,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:16,612 INFO L481 AbstractCegarLoop]: Abstraction has 12583 states and 13265 transitions. [2018-10-26 21:35:16,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:35:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12583 states and 13265 transitions. [2018-10-26 21:35:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1773 [2018-10-26 21:35:16,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:16,662 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, 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, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 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, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:35:16,662 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:16,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:16,663 INFO L82 PathProgramCache]: Analyzing trace with hash 194212713, now seen corresponding path program 1 times [2018-10-26 21:35:16,663 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:16,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:16,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:16,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:16,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9766 backedges. 1463 proven. 0 refuted. 0 times theorem prover too weak. 8303 trivial. 0 not checked. [2018-10-26 21:35:19,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:19,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:35:19,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:35:19,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:35:19,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:35:19,904 INFO L87 Difference]: Start difference. First operand 12583 states and 13265 transitions. Second operand 7 states. [2018-10-26 21:35:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:21,959 INFO L93 Difference]: Finished difference Result 24542 states and 25895 transitions. [2018-10-26 21:35:21,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:35:21,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1772 [2018-10-26 21:35:21,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:21,972 INFO L225 Difference]: With dead ends: 24542 [2018-10-26 21:35:21,972 INFO L226 Difference]: Without dead ends: 11323 [2018-10-26 21:35:21,980 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:35:21,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11323 states. [2018-10-26 21:35:22,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11323 to 11323. [2018-10-26 21:35:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11323 states. [2018-10-26 21:35:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11323 states to 11323 states and 11871 transitions. [2018-10-26 21:35:22,116 INFO L78 Accepts]: Start accepts. Automaton has 11323 states and 11871 transitions. Word has length 1772 [2018-10-26 21:35:22,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:22,118 INFO L481 AbstractCegarLoop]: Abstraction has 11323 states and 11871 transitions. [2018-10-26 21:35:22,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:35:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 11323 states and 11871 transitions. [2018-10-26 21:35:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1834 [2018-10-26 21:35:22,158 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:22,159 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, 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, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 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, 10, 9, 8, 8, 8, 8, 8, 8, 7, 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, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:35:22,159 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:22,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:22,160 INFO L82 PathProgramCache]: Analyzing trace with hash -36537091, now seen corresponding path program 1 times [2018-10-26 21:35:22,160 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:22,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:22,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:22,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:22,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9998 backedges. 4224 proven. 0 refuted. 0 times theorem prover too weak. 5774 trivial. 0 not checked. [2018-10-26 21:35:24,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:35:24,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:35:24,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:35:24,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:35:24,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:35:24,458 INFO L87 Difference]: Start difference. First operand 11323 states and 11871 transitions. Second operand 4 states. [2018-10-26 21:35:25,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:25,582 INFO L93 Difference]: Finished difference Result 22465 states and 23560 transitions. [2018-10-26 21:35:25,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:35:25,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1833 [2018-10-26 21:35:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:25,587 INFO L225 Difference]: With dead ends: 22465 [2018-10-26 21:35:25,587 INFO L226 Difference]: Without dead ends: 4663 [2018-10-26 21:35:25,594 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 21:35:25,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2018-10-26 21:35:25,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 4663. [2018-10-26 21:35:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4663 states. [2018-10-26 21:35:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4663 states to 4663 states and 4779 transitions. [2018-10-26 21:35:25,645 INFO L78 Accepts]: Start accepts. Automaton has 4663 states and 4779 transitions. Word has length 1833 [2018-10-26 21:35:25,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:25,647 INFO L481 AbstractCegarLoop]: Abstraction has 4663 states and 4779 transitions. [2018-10-26 21:35:25,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:35:25,647 INFO L276 IsEmpty]: Start isEmpty. Operand 4663 states and 4779 transitions. [2018-10-26 21:35:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1906 [2018-10-26 21:35:25,679 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:35:25,680 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 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, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 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, 1, 1] [2018-10-26 21:35:25,680 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:35:25,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:35:25,681 INFO L82 PathProgramCache]: Analyzing trace with hash -689251611, now seen corresponding path program 1 times [2018-10-26 21:35:25,681 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:35:25,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:35:25,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:25,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:25,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:35:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11340 backedges. 1543 proven. 31 refuted. 0 times theorem prover too weak. 9766 trivial. 0 not checked. [2018-10-26 21:35:28,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:35:28,001 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:35:28,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:35:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:35:28,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:35:28,805 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 13 [2018-10-26 21:35:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11340 backedges. 4123 proven. 295 refuted. 0 times theorem prover too weak. 6922 trivial. 0 not checked. [2018-10-26 21:35:31,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:35:31,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-10-26 21:35:31,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:35:31,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:35:31,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:35:31,941 INFO L87 Difference]: Start difference. First operand 4663 states and 4779 transitions. Second operand 7 states. [2018-10-26 21:35:36,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:35:36,524 INFO L93 Difference]: Finished difference Result 10397 states and 10683 transitions. [2018-10-26 21:35:36,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 21:35:36,524 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1905 [2018-10-26 21:35:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:35:36,527 INFO L225 Difference]: With dead ends: 10397 [2018-10-26 21:35:36,527 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:35:36,532 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1917 GetRequests, 1906 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:35:36,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:35:36,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:35:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:35:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:35:36,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1905 [2018-10-26 21:35:36,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:35:36,533 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:35:36,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:35:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:35:36,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:35:36,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:35:36,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,852 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 144 [2018-10-26 21:35:36,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:36,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:35:37,126 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 146 [2018-10-26 21:35:39,056 WARN L179 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2018-10-26 21:35:40,221 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2018-10-26 21:35:40,225 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-26 21:35:40,226 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,227 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,228 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-26 21:35:40,229 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-26 21:35:40,230 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-26 21:35:40,231 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,232 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,233 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-26 21:35:40,234 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-26 21:35:40,235 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-26 21:35:40,236 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-26 21:35:40,237 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-26 21:35:40,238 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-26 21:35:40,239 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-26 21:35:40,240 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,241 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,241 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse3 (= ~a15~0 8)) (.cse18 (= ~a21~0 10)) (.cse12 (= ~a21~0 6)) (.cse6 (= ~a15~0 9)) (.cse23 (+ ~a12~0 43)) (.cse22 (= ~a15~0 5))) (let ((.cse9 (not .cse22)) (.cse15 (<= (+ ~a12~0 49) 0)) (.cse7 (< 80 ~a12~0)) (.cse8 (<= ~a12~0 73282)) (.cse17 (<= .cse23 0)) (.cse11 (<= ~a21~0 6)) (.cse14 (not .cse6)) (.cse2 (not .cse12)) (.cse5 (not .cse18)) (.cse19 (or (<= ~a12~0 80) (and .cse3 .cse18))) (.cse20 (not (= ~a21~0 9))) (.cse10 (not .cse3)) (.cse21 (<= ~a12~0 11)) (.cse1 (<= ~a12~0 76)) (.cse16 (= ~a21~0 8)) (.cse4 (<= 0 (+ ~a12~0 15))) (.cse0 (= ~a24~0 1))) (or (and (= ~a15~0 7) .cse0) (and .cse1 .cse2 .cse3 .cse0 .cse4 .cse5) (and .cse0 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse10 .cse7 .cse11) (and .cse12 .cse3 .cse0 (exists ((v_prenex_1 Int)) (let ((.cse13 (mod v_prenex_1 299959))) (and (<= (+ .cse13 286349) ~a12~0) (= .cse13 0) (< 80 v_prenex_1))))) (and .cse14 .cse2 .cse9 .cse0 .cse10 .cse5) (and .cse14 .cse10 .cse11 .cse15 (not (= ~a15~0 6))) (and (not (= ULTIMATE.start_calculate_output_~input 5)) .cse0 (= ~a21~0 7) .cse15) (and .cse8 .cse3 .cse0 .cse16 .cse7) (and .cse17 .cse3 .cse0 .cse18) (and .cse14 .cse0 .cse10 .cse4 .cse11 .cse19) (and .cse3 .cse0 .cse18 .cse7) (and .cse20 .cse0 .cse6 .cse21) (and .cse8 .cse0 .cse18 .cse22) (and .cse17 .cse3 .cse0 .cse11) (and .cse14 .cse2 .cse0 .cse10 .cse5 .cse19) (and .cse0 .cse18 .cse21 .cse4) (and .cse20 .cse0 .cse10 .cse21 (< 0 .cse23)) (and .cse1 .cse0 .cse16 .cse4) (and .cse12 .cse0 .cse22)))) [2018-10-26 21:35:40,241 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-26 21:35:40,241 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-26 21:35:40,241 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-26 21:35:40,242 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-26 21:35:40,243 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-26 21:35:40,244 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-26 21:35:40,245 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse4 (= ~a15~0 8)) (.cse18 (= ~a21~0 10)) (.cse13 (= ~a21~0 6)) (.cse7 (= ~a15~0 9)) (.cse23 (+ ~a12~0 43)) (.cse22 (= ~a15~0 5))) (let ((.cse10 (not .cse22)) (.cse1 (<= (+ ~a12~0 49) 0)) (.cse8 (< 80 ~a12~0)) (.cse9 (<= ~a12~0 73282)) (.cse17 (<= .cse23 0)) (.cse12 (<= ~a21~0 6)) (.cse15 (not .cse7)) (.cse3 (not .cse13)) (.cse6 (not .cse18)) (.cse19 (or (<= ~a12~0 80) (and .cse4 .cse18))) (.cse20 (not (= ~a21~0 9))) (.cse11 (not .cse4)) (.cse21 (<= ~a12~0 11)) (.cse2 (<= ~a12~0 76)) (.cse16 (= ~a21~0 8)) (.cse5 (<= 0 (+ ~a12~0 15))) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= ~a21~0 7) .cse1) (and (= ~a15~0 7) .cse0) (and .cse2 .cse3 .cse4 .cse0 .cse5 .cse6) (and .cse0 .cse7 .cse8) (and .cse9 .cse10 .cse0 .cse11 .cse8 .cse12) (and .cse13 .cse4 .cse0 (exists ((v_prenex_1 Int)) (let ((.cse14 (mod v_prenex_1 299959))) (and (<= (+ .cse14 286349) ~a12~0) (= .cse14 0) (< 80 v_prenex_1))))) (and .cse15 .cse3 .cse10 .cse0 .cse11 .cse6) (and .cse15 .cse11 .cse12 .cse1 (not (= ~a15~0 6))) (and .cse9 .cse4 .cse0 .cse16 .cse8) (and .cse17 .cse4 .cse0 .cse18) (and .cse15 .cse0 .cse11 .cse5 .cse12 .cse19) (and .cse4 .cse0 .cse18 .cse8) (and .cse20 .cse0 .cse7 .cse21) (and .cse9 .cse0 .cse18 .cse22) (and .cse17 .cse4 .cse0 .cse12) (and .cse15 .cse3 .cse0 .cse11 .cse6 .cse19) (and .cse0 .cse18 .cse21 .cse5) (and .cse20 .cse0 .cse11 .cse21 (< 0 .cse23)) (and .cse2 .cse0 .cse16 .cse5) (and .cse13 .cse0 .cse22)))) [2018-10-26 21:35:40,245 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-26 21:35:40,245 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-26 21:35:40,245 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-26 21:35:40,245 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-26 21:35:40,245 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 21:35:40,245 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-26 21:35:40,245 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-26 21:35:40,246 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-26 21:35:40,247 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-26 21:35:40,248 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-26 21:35:40,249 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-26 21:35:40,250 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-26 21:35:40,250 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-26 21:35:40,250 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 21:35:40,250 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-26 21:35:40,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,277 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,280 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,280 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,290 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:35:40 BoogieIcfgContainer [2018-10-26 21:35:40,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:35:40,301 INFO L168 Benchmark]: Toolchain (without parser) took 92839.02 ms. Allocated memory was 1.5 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 21:35:40,308 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 21:35:40,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-26 21:35:40,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 242.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2018-10-26 21:35:40,310 INFO L168 Benchmark]: Boogie Preprocessor took 128.60 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-26 21:35:40,311 INFO L168 Benchmark]: RCFGBuilder took 3708.50 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: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. [2018-10-26 21:35:40,312 INFO L168 Benchmark]: TraceAbstraction took 87992.30 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: -514.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-26 21:35:40,325 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 242.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.60 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3708.50 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: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 87992.30 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: -514.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: 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 [2018-10-26 21:35:40,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((a24 == 1 && a21 == 7) && a12 + 49 <= 0) || (a15 == 7 && a24 == 1)) || (((((a12 <= 76 && !(a21 == 6)) && a15 == 8) && a24 == 1) && 0 <= a12 + 15) && !(a21 == 10))) || ((a24 == 1 && a15 == 9) && 80 < a12)) || (((((a12 <= 73282 && !(a15 == 5)) && a24 == 1) && !(a15 == 8)) && 80 < a12) && a21 <= 6)) || (((a21 == 6 && a15 == 8) && a24 == 1) && (\exists v_prenex_1 : int :: (v_prenex_1 % 299959 + 286349 <= a12 && v_prenex_1 % 299959 == 0) && 80 < v_prenex_1))) || (((((!(a15 == 9) && !(a21 == 6)) && !(a15 == 5)) && a24 == 1) && !(a15 == 8)) && !(a21 == 10))) || ((((!(a15 == 9) && !(a15 == 8)) && a21 <= 6) && a12 + 49 <= 0) && !(a15 == 6))) || ((((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8) && 80 < a12)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || (((((!(a15 == 9) && a24 == 1) && !(a15 == 8)) && 0 <= a12 + 15) && a21 <= 6) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || (((!(a21 == 9) && a24 == 1) && a15 == 9) && a12 <= 11)) || (((a12 <= 73282 && a24 == 1) && a21 == 10) && a15 == 5)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 <= 6)) || (((((!(a15 == 9) && !(a21 == 6)) && a24 == 1) && !(a15 == 8)) && !(a21 == 10)) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 <= a12 + 15)) || ((((!(a21 == 9) && a24 == 1) && !(a15 == 8)) && a12 <= 11) && 0 < a12 + 43)) || (((a12 <= 76 && a24 == 1) && a21 == 8) && 0 <= a12 + 15)) || ((a21 == 6 && a24 == 1) && a15 == 5) - InvariantResult [Line: 20]: Loop Invariant [2018-10-26 21:35:40,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-26 21:35:40,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((((((((((((((a15 == 7 && a24 == 1) || (((((a12 <= 76 && !(a21 == 6)) && a15 == 8) && a24 == 1) && 0 <= a12 + 15) && !(a21 == 10))) || ((a24 == 1 && a15 == 9) && 80 < a12)) || (((((a12 <= 73282 && !(a15 == 5)) && a24 == 1) && !(a15 == 8)) && 80 < a12) && a21 <= 6)) || (((a21 == 6 && a15 == 8) && a24 == 1) && (\exists v_prenex_1 : int :: (v_prenex_1 % 299959 + 286349 <= a12 && v_prenex_1 % 299959 == 0) && 80 < v_prenex_1))) || (((((!(a15 == 9) && !(a21 == 6)) && !(a15 == 5)) && a24 == 1) && !(a15 == 8)) && !(a21 == 10))) || ((((!(a15 == 9) && !(a15 == 8)) && a21 <= 6) && a12 + 49 <= 0) && !(a15 == 6))) || (((!(input == 5) && a24 == 1) && a21 == 7) && a12 + 49 <= 0)) || ((((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8) && 80 < a12)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || (((((!(a15 == 9) && a24 == 1) && !(a15 == 8)) && 0 <= a12 + 15) && a21 <= 6) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || (((!(a21 == 9) && a24 == 1) && a15 == 9) && a12 <= 11)) || (((a12 <= 73282 && a24 == 1) && a21 == 10) && a15 == 5)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 <= 6)) || (((((!(a15 == 9) && !(a21 == 6)) && a24 == 1) && !(a15 == 8)) && !(a21 == 10)) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 <= a12 + 15)) || ((((!(a21 == 9) && a24 == 1) && !(a15 == 8)) && a12 <= 11) && 0 < a12 + 43)) || (((a12 <= 76 && a24 == 1) && a21 == 8) && 0 <= a12 + 15)) || ((a21 == 6 && a24 == 1) && a15 == 5) - 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, 87.8s OverallTime, 17 OverallIterations, 16 TraceHistogramMax, 50.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2105 SDtfs, 10825 SDslu, 1713 SDs, 0 SdLazy, 25103 SolverSat, 3102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4362 GetRequests, 4275 SyntacticMatches, 10 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12583occurred in iteration=14, 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: 1.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 6021 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 176 NumberOfFragments, 713 HoareAnnotationTreeSize, 3 FomulaSimplifications, 22155 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2562 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 19310 NumberOfCodeBlocks, 19310 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 19289 ConstructedInterpolants, 257 QuantifiedInterpolants, 57326128 SizeOfPredicates, 6 NumberOfNonLiveVariables, 5173 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 21 InterpolantComputations, 15 PerfectInterpolantSequences, 77709/78267 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...