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/Problem10_label39_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:07:06,550 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:07:06,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:07:06,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:07:06,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:07:06,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:07:06,572 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:07:06,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:07:06,578 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:07:06,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:07:06,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:07:06,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:07:06,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:07:06,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:07:06,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:07:06,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:07:06,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:07:06,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:07:06,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:07:06,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:07:06,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:07:06,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:07:06,601 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:07:06,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:07:06,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:07:06,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:07:06,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:07:06,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:07:06,609 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:07:06,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:07:06,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:07:06,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:07:06,614 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:07:06,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:07:06,615 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:07:06,616 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:07:06,616 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 21:07:06,644 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:07:06,645 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:07:06,646 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:07:06,646 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:07:06,647 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:07:06,647 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:07:06,647 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 21:07:06,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:07:06,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:07:06,648 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:07:06,648 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:07:06,648 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:07:06,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:07:06,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:07:06,649 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:07:06,649 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:07:06,649 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:07:06,649 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:07:06,651 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:07:06,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:07:06,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:07:06,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:07:06,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:07:06,652 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 21:07:06,652 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:07:06,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:07:06,652 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:07:06,653 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 21:07:06,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:07:06,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:07:06,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:07:06,731 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:07:06,731 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:07:06,732 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label39_true-unreach-call.c [2018-10-26 21:07:06,794 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f7f55243f/966e534822cd42b188c87c10380b0c01/FLAG892ddc077 [2018-10-26 21:07:07,369 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:07:07,373 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label39_true-unreach-call.c [2018-10-26 21:07:07,394 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f7f55243f/966e534822cd42b188c87c10380b0c01/FLAG892ddc077 [2018-10-26 21:07:07,408 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f7f55243f/966e534822cd42b188c87c10380b0c01 [2018-10-26 21:07:07,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:07:07,421 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 21:07:07,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:07:07,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:07:07,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:07:07,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:07:07" (1/1) ... [2018-10-26 21:07:07,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bfd507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:07, skipping insertion in model container [2018-10-26 21:07:07,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:07:07" (1/1) ... [2018-10-26 21:07:07,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:07:07,509 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:07:07,957 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:07:07,962 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:07:08,071 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:07:08,091 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:07:08,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08 WrapperNode [2018-10-26 21:07:08,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:07:08,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:07:08,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:07:08,094 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:07:08,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:07:08,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:07:08,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:07:08,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:07:08,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (1/1) ... [2018-10-26 21:07:08,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:07:08,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:07:08,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:07:08,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:07:08,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (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 21:07:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:07:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:07:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:07:11,579 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:07:11,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:07:11 BoogieIcfgContainer [2018-10-26 21:07:11,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:07:11,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:07:11,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:07:11,586 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:07:11,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:07:07" (1/3) ... [2018-10-26 21:07:11,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412f2668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:07:11, skipping insertion in model container [2018-10-26 21:07:11,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:07:08" (2/3) ... [2018-10-26 21:07:11,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412f2668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:07:11, skipping insertion in model container [2018-10-26 21:07:11,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:07:11" (3/3) ... [2018-10-26 21:07:11,591 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label39_true-unreach-call.c [2018-10-26 21:07:11,601 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:07:11,613 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:07:11,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:07:11,667 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:07:11,668 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:07:11,668 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:07:11,668 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:07:11,668 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:07:11,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:07:11,669 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:07:11,669 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:07:11,669 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:07:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-26 21:07:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 21:07:11,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:07:11,700 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] [2018-10-26 21:07:11,702 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:07:11,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:07:11,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1740446778, now seen corresponding path program 1 times [2018-10-26 21:07:11,709 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:07:11,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:07:11,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:11,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:07:11,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:12,134 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 21:07:12,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:07:12,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:07:12,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:07:12,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:07:12,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:07:12,162 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-26 21:07:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:07:14,714 INFO L93 Difference]: Finished difference Result 698 states and 1250 transitions. [2018-10-26 21:07:14,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:07:14,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-10-26 21:07:14,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:07:14,736 INFO L225 Difference]: With dead ends: 698 [2018-10-26 21:07:14,737 INFO L226 Difference]: Without dead ends: 484 [2018-10-26 21:07:14,741 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 21:07:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-10-26 21:07:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2018-10-26 21:07:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-10-26 21:07:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 811 transitions. [2018-10-26 21:07:14,817 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 811 transitions. Word has length 27 [2018-10-26 21:07:14,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:07:14,818 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 811 transitions. [2018-10-26 21:07:14,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:07:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 811 transitions. [2018-10-26 21:07:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:07:14,823 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:07:14,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:14,823 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:07:14,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:07:14,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1357598992, now seen corresponding path program 1 times [2018-10-26 21:07:14,824 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:07:14,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:07:14,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:14,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:07:14,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:15,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:07:15,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:07:15,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:07:15,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:07:15,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:07:15,163 INFO L87 Difference]: Start difference. First operand 484 states and 811 transitions. Second operand 4 states. [2018-10-26 21:07:16,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:07:16,688 INFO L93 Difference]: Finished difference Result 1106 states and 1836 transitions. [2018-10-26 21:07:16,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:07:16,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-10-26 21:07:16,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:07:16,696 INFO L225 Difference]: With dead ends: 1106 [2018-10-26 21:07:16,696 INFO L226 Difference]: Without dead ends: 624 [2018-10-26 21:07:16,699 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:07:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2018-10-26 21:07:16,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2018-10-26 21:07:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-10-26 21:07:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 952 transitions. [2018-10-26 21:07:16,733 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 952 transitions. Word has length 97 [2018-10-26 21:07:16,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:07:16,734 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 952 transitions. [2018-10-26 21:07:16,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:07:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 952 transitions. [2018-10-26 21:07:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 21:07:16,738 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:07:16,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:16,738 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:07:16,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:07:16,739 INFO L82 PathProgramCache]: Analyzing trace with hash 133344095, now seen corresponding path program 1 times [2018-10-26 21:07:16,739 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:07:16,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:07:16,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:16,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:07:16,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:16,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:07:16,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:07:16,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:07:16,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:07:16,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:07:16,921 INFO L87 Difference]: Start difference. First operand 624 states and 952 transitions. Second operand 4 states. [2018-10-26 21:07:21,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:07:21,114 INFO L93 Difference]: Finished difference Result 2226 states and 3464 transitions. [2018-10-26 21:07:21,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:07:21,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-10-26 21:07:21,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:07:21,129 INFO L225 Difference]: With dead ends: 2226 [2018-10-26 21:07:21,129 INFO L226 Difference]: Without dead ends: 1604 [2018-10-26 21:07:21,131 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:07:21,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-10-26 21:07:21,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-10-26 21:07:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-26 21:07:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2247 transitions. [2018-10-26 21:07:21,173 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2247 transitions. Word has length 103 [2018-10-26 21:07:21,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:07:21,173 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2247 transitions. [2018-10-26 21:07:21,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:07:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2247 transitions. [2018-10-26 21:07:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 21:07:21,181 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:07:21,181 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:21,181 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:07:21,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:07:21,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1083882857, now seen corresponding path program 1 times [2018-10-26 21:07:21,182 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:07:21,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:07:21,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:21,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:07:21,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:21,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:07:21,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:07:21,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:07:21,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:07:21,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:07:21,500 INFO L87 Difference]: Start difference. First operand 1604 states and 2247 transitions. Second operand 4 states. [2018-10-26 21:07:23,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:07:23,420 INFO L93 Difference]: Finished difference Result 3626 states and 5127 transitions. [2018-10-26 21:07:23,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:07:23,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-10-26 21:07:23,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:07:23,432 INFO L225 Difference]: With dead ends: 3626 [2018-10-26 21:07:23,432 INFO L226 Difference]: Without dead ends: 2024 [2018-10-26 21:07:23,435 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 21:07:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2018-10-26 21:07:23,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2024. [2018-10-26 21:07:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2018-10-26 21:07:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2592 transitions. [2018-10-26 21:07:23,474 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2592 transitions. Word has length 136 [2018-10-26 21:07:23,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:07:23,475 INFO L481 AbstractCegarLoop]: Abstraction has 2024 states and 2592 transitions. [2018-10-26 21:07:23,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:07:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2592 transitions. [2018-10-26 21:07:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:07:23,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:07:23,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:07:23,478 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:07:23,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:07:23,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1043094018, now seen corresponding path program 1 times [2018-10-26 21:07:23,478 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:07:23,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:07:23,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:23,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:07:23,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:23,823 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 21:07:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:24,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:07:24,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:07:24,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:07:24,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:07:24,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:07:24,204 INFO L87 Difference]: Start difference. First operand 2024 states and 2592 transitions. Second operand 7 states. [2018-10-26 21:07:25,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:07:25,777 INFO L93 Difference]: Finished difference Result 4245 states and 5392 transitions. [2018-10-26 21:07:25,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:07:25,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2018-10-26 21:07:25,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:07:25,788 INFO L225 Difference]: With dead ends: 4245 [2018-10-26 21:07:25,789 INFO L226 Difference]: Without dead ends: 2223 [2018-10-26 21:07:25,792 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-26 21:07:25,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2018-10-26 21:07:25,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2164. [2018-10-26 21:07:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2164 states. [2018-10-26 21:07:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 2737 transitions. [2018-10-26 21:07:25,837 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 2737 transitions. Word has length 141 [2018-10-26 21:07:25,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:07:25,838 INFO L481 AbstractCegarLoop]: Abstraction has 2164 states and 2737 transitions. [2018-10-26 21:07:25,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:07:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 2737 transitions. [2018-10-26 21:07:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 21:07:25,843 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:07:25,843 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:07:25,844 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:07:25,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:07:25,844 INFO L82 PathProgramCache]: Analyzing trace with hash 426064899, now seen corresponding path program 1 times [2018-10-26 21:07:25,844 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:07:25,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:07:25,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:25,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:07:25,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:07:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:26,208 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 5 [2018-10-26 21:07:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 21:07:26,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:07:26,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:07:26,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:07:26,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:07:26,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:07:26,261 INFO L87 Difference]: Start difference. First operand 2164 states and 2737 transitions. Second operand 4 states. [2018-10-26 21:07:30,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:07:30,365 INFO L93 Difference]: Finished difference Result 7699 states and 9924 transitions. [2018-10-26 21:07:30,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:07:30,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 203 [2018-10-26 21:07:30,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:07:30,367 INFO L225 Difference]: With dead ends: 7699 [2018-10-26 21:07:30,367 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:07:30,375 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 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 21:07:30,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:07:30,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:07:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:07:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:07:30,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2018-10-26 21:07:30,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:07:30,377 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:07:30,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:07:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:07:30,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:07:30,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:07:30,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,487 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-10-26 21:07:30,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:30,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:07:31,715 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2018-10-26 21:07:31,860 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2018-10-26 21:07:31,864 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-26 21:07:31,864 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,864 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-26 21:07:31,865 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,866 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-26 21:07:31,867 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-26 21:07:31,868 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-26 21:07:31,869 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-26 21:07:31,870 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-26 21:07:31,870 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-26 21:07:31,870 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-26 21:07:31,870 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse1 (not (= ~a19~0 10)))) (or (and .cse0 (<= 9 ~a19~0)) (and .cse1 (not .cse0)) (and .cse0 (< 0 (+ ~a1~0 13))) (= ~a10~0 1) (and .cse1 (not (= ~a19~0 8))))) [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,871 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-26 21:07:31,872 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-26 21:07:31,873 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-26 21:07:31,874 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-26 21:07:31,875 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse1 (not (= ~a19~0 10)))) (or (and .cse0 (<= 9 ~a19~0)) (and .cse1 (not .cse0)) (and .cse0 (< 0 (+ ~a1~0 13))) (= ~a10~0 1) (and .cse1 (not (= ~a19~0 8))))) [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-26 21:07:31,876 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-26 21:07:31,877 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,878 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-26 21:07:31,879 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-26 21:07:31,880 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-26 21:07:31,881 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,882 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 21:07:31,883 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-26 21:07:31,884 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-26 21:07:31,885 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 21:07:31,885 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-26 21:07:31,885 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-26 21:07:31,885 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-26 21:07:31,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:07:31 BoogieIcfgContainer [2018-10-26 21:07:31,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:07:31,907 INFO L168 Benchmark]: Toolchain (without parser) took 24486.82 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -973.9 MB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. [2018-10-26 21:07:31,909 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 21:07:31,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.25 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-26 21:07:31,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -811.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-26 21:07:31,912 INFO L168 Benchmark]: Boogie Preprocessor took 82.43 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-10-26 21:07:31,913 INFO L168 Benchmark]: RCFGBuilder took 3203.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.7 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2018-10-26 21:07:31,915 INFO L168 Benchmark]: TraceAbstraction took 20324.85 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 340.8 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -315.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2018-10-26 21:07:31,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.25 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 200.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -811.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.43 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3203.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.7 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20324.85 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 340.8 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -315.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 582]: Loop Invariant Derived loop invariant: ((((a10 == 0 && 9 <= a19) || (!(a19 == 10) && !(a10 == 0))) || (a10 == 0 && 0 < a1 + 13)) || a10 == 1) || (!(a19 == 10) && !(a19 == 8)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((a10 == 0 && 9 <= a19) || (!(a19 == 10) && !(a10 == 0))) || (a10 == 0 && 0 < a1 + 13)) || a10 == 1) || (!(a19 == 10) && !(a19 == 8)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 20.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 15.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 967 SDtfs, 2086 SDslu, 664 SDs, 0 SdLazy, 5376 SolverSat, 1091 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2164occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 86 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2668 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 232 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 701 ConstructedInterpolants, 0 QuantifiedInterpolants, 421484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 211/211 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...