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_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 19:58:02,472 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 19:58:02,474 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 19:58:02,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 19:58:02,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 19:58:02,488 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 19:58:02,489 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 19:58:02,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 19:58:02,493 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 19:58:02,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 19:58:02,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 19:58:02,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 19:58:02,497 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 19:58:02,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 19:58:02,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 19:58:02,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 19:58:02,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 19:58:02,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 19:58:02,515 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 19:58:02,516 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 19:58:02,517 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 19:58:02,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 19:58:02,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 19:58:02,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 19:58:02,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 19:58:02,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 19:58:02,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 19:58:02,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 19:58:02,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 19:58:02,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 19:58:02,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 19:58:02,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 19:58:02,529 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 [2018-10-23 19:58:02,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 19:58:02,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 19:58:02,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 19:58:02,561 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 19:58:02,562 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 19:58:02,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 19:58:02,563 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 19:58:02,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 19:58:02,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 19:58:02,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 19:58:02,564 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 19:58:02,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 19:58:02,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 19:58:02,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 19:58:02,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 19:58:02,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 19:58:02,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 19:58:02,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 19:58:02,566 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 19:58:02,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 19:58:02,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 19:58:02,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 19:58:02,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 19:58:02,567 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 19:58:02,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 19:58:02,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 19:58:02,568 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 19:58:02,568 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 19:58:02,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 19:58:02,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 19:58:02,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 19:58:02,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 19:58:02,642 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 19:58:02,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-10-23 19:58:02,705 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac30d7ccb/5d22d8a5828b455c8ca40aa6f4aa75eb/FLAGc342ec6a3 [2018-10-23 19:58:03,273 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 19:58:03,274 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-10-23 19:58:03,295 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac30d7ccb/5d22d8a5828b455c8ca40aa6f4aa75eb/FLAGc342ec6a3 [2018-10-23 19:58:03,325 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac30d7ccb/5d22d8a5828b455c8ca40aa6f4aa75eb [2018-10-23 19:58:03,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 19:58:03,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 19:58:03,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 19:58:03,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 19:58:03,348 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 19:58:03,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:58:03" (1/1) ... [2018-10-23 19:58:03,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4389c80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:03, skipping insertion in model container [2018-10-23 19:58:03,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:58:03" (1/1) ... [2018-10-23 19:58:03,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 19:58:03,433 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 19:58:03,884 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 19:58:03,889 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 19:58:03,993 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 19:58:04,011 INFO L193 MainTranslator]: Completed translation [2018-10-23 19:58:04,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04 WrapperNode [2018-10-23 19:58:04,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 19:58:04,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 19:58:04,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 19:58:04,013 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 19:58:04,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 19:58:04,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 19:58:04,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 19:58:04,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 19:58:04,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (1/1) ... [2018-10-23 19:58:04,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 19:58:04,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 19:58:04,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 19:58:04,341 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 19:58:04,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (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 [2018-10-23 19:58:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 19:58:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 19:58:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 19:58:07,480 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 19:58:07,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:58:07 BoogieIcfgContainer [2018-10-23 19:58:07,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 19:58:07,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 19:58:07,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 19:58:07,486 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 19:58:07,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 07:58:03" (1/3) ... [2018-10-23 19:58:07,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be406b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:58:07, skipping insertion in model container [2018-10-23 19:58:07,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:58:04" (2/3) ... [2018-10-23 19:58:07,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be406b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:58:07, skipping insertion in model container [2018-10-23 19:58:07,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:58:07" (3/3) ... [2018-10-23 19:58:07,492 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label21_true-unreach-call.c [2018-10-23 19:58:07,502 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 19:58:07,520 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 19:58:07,539 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 19:58:07,587 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 19:58:07,588 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 19:58:07,590 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 19:58:07,590 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 19:58:07,591 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 19:58:07,591 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 19:58:07,591 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 19:58:07,591 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 19:58:07,591 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 19:58:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-23 19:58:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-23 19:58:07,641 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:58:07,642 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] [2018-10-23 19:58:07,646 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:58:07,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:58:07,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1880720510, now seen corresponding path program 1 times [2018-10-23 19:58:07,656 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:58:07,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:58:07,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:07,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:58:07,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:58:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:58:08,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:58:08,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 19:58:08,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:58:08,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:58:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:58:08,215 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-23 19:58:10,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:58:10,538 INFO L93 Difference]: Finished difference Result 713 states and 1265 transitions. [2018-10-23 19:58:10,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:58:10,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-10-23 19:58:10,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:58:10,563 INFO L225 Difference]: With dead ends: 713 [2018-10-23 19:58:10,563 INFO L226 Difference]: Without dead ends: 499 [2018-10-23 19:58:10,569 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 [2018-10-23 19:58:10,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-10-23 19:58:10,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 344. [2018-10-23 19:58:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-10-23 19:58:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 565 transitions. [2018-10-23 19:58:10,641 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 565 transitions. Word has length 28 [2018-10-23 19:58:10,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:58:10,642 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 565 transitions. [2018-10-23 19:58:10,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:58:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 565 transitions. [2018-10-23 19:58:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-23 19:58:10,647 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:58:10,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:58:10,648 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:58:10,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:58:10,648 INFO L82 PathProgramCache]: Analyzing trace with hash -896789435, now seen corresponding path program 1 times [2018-10-23 19:58:10,649 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:58:10,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:58:10,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:10,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:58:10,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:58:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:58:10,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:58:10,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 19:58:10,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:58:10,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:58:10,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:58:10,928 INFO L87 Difference]: Start difference. First operand 344 states and 565 transitions. Second operand 4 states. [2018-10-23 19:58:12,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:58:12,663 INFO L93 Difference]: Finished difference Result 1246 states and 2132 transitions. [2018-10-23 19:58:12,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:58:12,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-10-23 19:58:12,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:58:12,673 INFO L225 Difference]: With dead ends: 1246 [2018-10-23 19:58:12,673 INFO L226 Difference]: Without dead ends: 904 [2018-10-23 19:58:12,677 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 [2018-10-23 19:58:12,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-10-23 19:58:12,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2018-10-23 19:58:12,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-10-23 19:58:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1379 transitions. [2018-10-23 19:58:12,735 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1379 transitions. Word has length 99 [2018-10-23 19:58:12,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:58:12,736 INFO L481 AbstractCegarLoop]: Abstraction has 904 states and 1379 transitions. [2018-10-23 19:58:12,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:58:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1379 transitions. [2018-10-23 19:58:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-23 19:58:12,742 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:58:12,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:58:12,743 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:58:12,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:58:12,743 INFO L82 PathProgramCache]: Analyzing trace with hash -281416004, now seen corresponding path program 1 times [2018-10-23 19:58:12,744 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:58:12,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:58:12,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:12,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:58:12,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:58:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:58:12,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:58:12,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 19:58:12,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:58:12,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:58:12,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:58:12,921 INFO L87 Difference]: Start difference. First operand 904 states and 1379 transitions. Second operand 4 states. [2018-10-23 19:58:16,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:58:16,760 INFO L93 Difference]: Finished difference Result 3202 states and 4882 transitions. [2018-10-23 19:58:16,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:58:16,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-10-23 19:58:16,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:58:16,769 INFO L225 Difference]: With dead ends: 3202 [2018-10-23 19:58:16,769 INFO L226 Difference]: Without dead ends: 1440 [2018-10-23 19:58:16,772 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 [2018-10-23 19:58:16,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2018-10-23 19:58:16,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1440. [2018-10-23 19:58:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2018-10-23 19:58:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1962 transitions. [2018-10-23 19:58:16,803 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1962 transitions. Word has length 104 [2018-10-23 19:58:16,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:58:16,803 INFO L481 AbstractCegarLoop]: Abstraction has 1440 states and 1962 transitions. [2018-10-23 19:58:16,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:58:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1962 transitions. [2018-10-23 19:58:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-23 19:58:16,808 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:58:16,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 19:58:16,808 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:58:16,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:58:16,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1958484941, now seen corresponding path program 1 times [2018-10-23 19:58:16,809 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:58:16,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:58:16,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:16,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:58:16,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:58:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 19:58:17,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:58:17,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 19:58:17,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:58:17,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:58:17,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:58:17,020 INFO L87 Difference]: Start difference. First operand 1440 states and 1962 transitions. Second operand 4 states. [2018-10-23 19:58:18,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:58:18,794 INFO L93 Difference]: Finished difference Result 3996 states and 5424 transitions. [2018-10-23 19:58:18,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:58:18,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2018-10-23 19:58:18,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:58:18,809 INFO L225 Difference]: With dead ends: 3996 [2018-10-23 19:58:18,810 INFO L226 Difference]: Without dead ends: 2558 [2018-10-23 19:58:18,813 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 [2018-10-23 19:58:18,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2018-10-23 19:58:18,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2418. [2018-10-23 19:58:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-10-23 19:58:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3039 transitions. [2018-10-23 19:58:18,866 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3039 transitions. Word has length 147 [2018-10-23 19:58:18,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:58:18,867 INFO L481 AbstractCegarLoop]: Abstraction has 2418 states and 3039 transitions. [2018-10-23 19:58:18,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:58:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3039 transitions. [2018-10-23 19:58:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-23 19:58:18,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:58:18,871 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 19:58:18,872 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:58:18,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:58:18,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1229393654, now seen corresponding path program 1 times [2018-10-23 19:58:18,873 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:58:18,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:58:18,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:18,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:58:18,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:58:19,318 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-10-23 19:58:19,454 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-23 19:58:19,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:58:19,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 19:58:19,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 19:58:19,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 19:58:19,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 19:58:19,456 INFO L87 Difference]: Start difference. First operand 2418 states and 3039 transitions. Second operand 5 states. [2018-10-23 19:58:21,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:58:21,181 INFO L93 Difference]: Finished difference Result 7641 states and 9605 transitions. [2018-10-23 19:58:21,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 19:58:21,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-10-23 19:58:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:58:21,201 INFO L225 Difference]: With dead ends: 7641 [2018-10-23 19:58:21,202 INFO L226 Difference]: Without dead ends: 5225 [2018-10-23 19:58:21,206 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 19:58:21,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5225 states. [2018-10-23 19:58:21,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5225 to 4237. [2018-10-23 19:58:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4237 states. [2018-10-23 19:58:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 5132 transitions. [2018-10-23 19:58:21,283 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 5132 transitions. Word has length 197 [2018-10-23 19:58:21,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:58:21,284 INFO L481 AbstractCegarLoop]: Abstraction has 4237 states and 5132 transitions. [2018-10-23 19:58:21,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 19:58:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 5132 transitions. [2018-10-23 19:58:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-23 19:58:21,291 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 19:58:21,292 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, 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, 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] [2018-10-23 19:58:21,292 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 19:58:21,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 19:58:21,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1736450269, now seen corresponding path program 1 times [2018-10-23 19:58:21,293 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 19:58:21,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 19:58:21,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:21,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 19:58:21,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 19:58:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 19:58:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-23 19:58:21,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 19:58:21,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 19:58:21,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 19:58:21,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 19:58:21,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:58:21,599 INFO L87 Difference]: Start difference. First operand 4237 states and 5132 transitions. Second operand 4 states. [2018-10-23 19:58:24,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 19:58:24,723 INFO L93 Difference]: Finished difference Result 9165 states and 11320 transitions. [2018-10-23 19:58:24,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 19:58:24,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 264 [2018-10-23 19:58:24,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 19:58:24,724 INFO L225 Difference]: With dead ends: 9165 [2018-10-23 19:58:24,724 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 19:58:24,735 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 19:58:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 19:58:24,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 19:58:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 19:58:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 19:58:24,736 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-10-23 19:58:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 19:58:24,736 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 19:58:24,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 19:58:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 19:58:24,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 19:58:24,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 19:58:24,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 19:58:24,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 19:58:24,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 19:58:24,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 19:58:25,388 WARN L179 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2018-10-23 19:58:25,536 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2018-10-23 19:58:25,540 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-23 19:58:25,540 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,540 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,540 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,540 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,541 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,541 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,541 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-23 19:58:25,541 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-23 19:58:25,541 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-23 19:58:25,541 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-23 19:58:25,541 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-23 19:58:25,542 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-23 19:58:25,542 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-23 19:58:25,542 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-23 19:58:25,542 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-23 19:58:25,542 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-23 19:58:25,543 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-23 19:58:25,543 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,543 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-23 19:58:25,544 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-23 19:58:25,545 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-23 19:58:25,546 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-23 19:58:25,546 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,546 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,546 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,546 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,546 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,546 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-23 19:58:25,547 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-23 19:58:25,547 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-23 19:58:25,547 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-23 19:58:25,547 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-23 19:58:25,547 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-23 19:58:25,548 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 7)))) (or (= ~a19~0 9) (= ~a19~0 8) (and .cse0 .cse1 (not (= ~a19~0 10)) (< 0 (+ ~a1~0 13))) (and (not (= ~a10~0 3)) (not (= 0 ~a10~0))) (and .cse0 .cse1 (= ~a10~0 0)))) [2018-10-23 19:58:25,548 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-23 19:58:25,548 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-23 19:58:25,548 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-23 19:58:25,548 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-23 19:58:25,548 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,549 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,549 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,549 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,549 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,549 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-23 19:58:25,549 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-23 19:58:25,549 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-23 19:58:25,550 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-23 19:58:25,551 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-23 19:58:25,551 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-23 19:58:25,551 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-23 19:58:25,551 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,551 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,551 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,551 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,552 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,552 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-23 19:58:25,552 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-23 19:58:25,552 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-23 19:58:25,552 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-23 19:58:25,554 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-23 19:58:25,554 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-23 19:58:25,554 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-23 19:58:25,554 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-23 19:58:25,554 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-23 19:58:25,554 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,555 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,555 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,555 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,555 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,555 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-23 19:58:25,555 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-23 19:58:25,555 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-23 19:58:25,556 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-23 19:58:25,557 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 19:58:25,557 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-23 19:58:25,557 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-23 19:58:25,557 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 38)) (.cse1 (not (= ~a19~0 7)))) (or (= ~a19~0 9) (= ~a19~0 8) (and .cse0 .cse1 (not (= ~a19~0 10)) (< 0 (+ ~a1~0 13))) (and (not (= ~a10~0 3)) (not (= 0 ~a10~0))) (and .cse0 .cse1 (= ~a10~0 0)))) [2018-10-23 19:58:25,557 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-23 19:58:25,557 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-23 19:58:25,558 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-23 19:58:25,559 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-23 19:58:25,559 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-23 19:58:25,559 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-23 19:58:25,559 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-23 19:58:25,559 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-23 19:58:25,559 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-23 19:58:25,559 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,560 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-23 19:58:25,561 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-23 19:58:25,562 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-23 19:58:25,562 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-23 19:58:25,562 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-23 19:58:25,562 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-23 19:58:25,562 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-23 19:58:25,562 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-23 19:58:25,562 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-23 19:58:25,563 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2018-10-23 19:58:25,563 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-23 19:58:25,563 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-23 19:58:25,563 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-23 19:58:25,563 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,563 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,563 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,564 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,564 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,564 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,564 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-23 19:58:25,564 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-23 19:58:25,564 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-23 19:58:25,564 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-23 19:58:25,565 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-23 19:58:25,566 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-23 19:58:25,566 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-23 19:58:25,566 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,566 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,566 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,566 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,566 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-23 19:58:25,567 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,568 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,569 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,569 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,569 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,569 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-23 19:58:25,569 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-23 19:58:25,569 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-23 19:58:25,569 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-23 19:58:25,570 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-23 19:58:25,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 07:58:25 BoogieIcfgContainer [2018-10-23 19:58:25,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 19:58:25,594 INFO L168 Benchmark]: Toolchain (without parser) took 22254.96 ms. Allocated memory was 1.5 GB in the beginning and 2.7 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: -1.0 GB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2018-10-23 19:58:25,595 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-23 19:58:25,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.46 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-23 19:58:25,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 778.0 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -864.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2018-10-23 19:58:25,598 INFO L168 Benchmark]: Boogie Preprocessor took 103.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-23 19:58:25,599 INFO L168 Benchmark]: RCFGBuilder took 3140.39 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: 119.3 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. [2018-10-23 19:58:25,600 INFO L168 Benchmark]: TraceAbstraction took 18110.23 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 339.2 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -326.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2018-10-23 19:58:25,607 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 669.46 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 225.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 778.0 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -864.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3140.39 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: 119.3 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18110.23 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 339.2 MB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -326.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: 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: (((a19 == 9 || a19 == 8) || (((a1 <= 38 && !(a19 == 7)) && !(a19 == 10)) && 0 < a1 + 13)) || (!(a10 == 3) && !(0 == a10))) || ((a1 <= 38 && !(a19 == 7)) && a10 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a19 == 9 || a19 == 8) || (((a1 <= 38 && !(a19 == 7)) && !(a19 == 10)) && 0 < a1 + 13)) || (!(a10 == 3) && !(0 == a10))) || ((a1 <= 38 && !(a19 == 7)) && a10 == 0) - 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, 17.9s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 14.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 677 SDtfs, 2165 SDslu, 397 SDs, 0 SdLazy, 4927 SolverSat, 1151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4237occurred 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, 1283 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 90 NumberOfFragments, 89 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1238 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 804 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 839 NumberOfCodeBlocks, 839 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 833 ConstructedInterpolants, 0 QuantifiedInterpolants, 348912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 482/482 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...