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-d380424 [2018-10-24 16:01:42,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:01:42,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:01:42,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:01:42,614 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:01:42,615 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:01:42,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:01:42,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:01:42,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:01:42,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:01:42,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:01:42,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:01:42,623 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:01:42,624 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:01:42,625 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:01:42,626 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:01:42,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:01:42,628 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:01:42,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:01:42,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:01:42,633 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:01:42,634 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:01:42,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:01:42,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:01:42,637 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:01:42,638 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:01:42,639 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:01:42,640 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:01:42,641 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:01:42,642 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:01:42,642 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:01:42,643 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 16:01:42,646 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 [2018-10-24 16:01:42,668 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:01:42,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:01:42,669 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:01:42,669 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:01:42,670 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:01:42,670 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:01:42,671 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:01:42,671 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:01:42,671 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:01:42,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:01:42,671 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:01:42,672 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:01:42,672 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:01:42,672 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:01:42,672 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:01:42,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:01:42,673 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:01:42,674 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:01:42,674 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:01:42,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:01:42,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:01:42,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:01:42,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:01:42,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:01:42,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:01:42,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:01:42,676 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:01:42,676 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:01:42,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:01:42,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:01:42,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:01:42,756 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:01:42,757 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:01:42,757 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-10-24 16:01:42,825 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e527070d0/81b5b1a173174c7eaab4496af868278f/FLAGfa9acc1f2 [2018-10-24 16:01:43,440 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:01:43,446 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-10-24 16:01:43,461 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e527070d0/81b5b1a173174c7eaab4496af868278f/FLAGfa9acc1f2 [2018-10-24 16:01:43,477 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e527070d0/81b5b1a173174c7eaab4496af868278f [2018-10-24 16:01:43,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:01:43,490 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:01:43,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:01:43,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:01:43,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:01:43,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:43" (1/1) ... [2018-10-24 16:01:43,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79efdec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:43, skipping insertion in model container [2018-10-24 16:01:43,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:01:43" (1/1) ... [2018-10-24 16:01:43,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:01:43,578 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:01:44,008 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:01:44,013 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:01:44,178 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:01:44,199 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:01:44,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44 WrapperNode [2018-10-24 16:01:44,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:01:44,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:01:44,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:01:44,202 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:01:44,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:01:44,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:01:44,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:01:44,311 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:01:44,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... [2018-10-24 16:01:44,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:01:44,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:01:44,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:01:44,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:01:44,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:01:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:01:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:01:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:01:47,790 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:01:47,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:01:47 BoogieIcfgContainer [2018-10-24 16:01:47,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:01:47,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:01:47,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:01:47,796 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:01:47,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:01:43" (1/3) ... [2018-10-24 16:01:47,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298f20f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:01:47, skipping insertion in model container [2018-10-24 16:01:47,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:01:44" (2/3) ... [2018-10-24 16:01:47,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298f20f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:01:47, skipping insertion in model container [2018-10-24 16:01:47,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:01:47" (3/3) ... [2018-10-24 16:01:47,800 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label21_true-unreach-call.c [2018-10-24 16:01:47,811 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:01:47,823 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:01:47,842 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:01:47,879 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:01:47,880 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:01:47,880 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:01:47,880 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:01:47,881 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:01:47,883 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:01:47,883 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:01:47,883 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:01:47,884 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:01:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-24 16:01:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-24 16:01:47,915 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:01:47,916 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] [2018-10-24 16:01:47,918 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:01:47,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:01:47,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1880720510, now seen corresponding path program 1 times [2018-10-24 16:01:47,925 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:01:47,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:01:47,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:47,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:01:47,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:01:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:01:48,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:01:48,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:01:48,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:01:48,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:01:48,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:01:48,384 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-24 16:01:50,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:01:50,982 INFO L93 Difference]: Finished difference Result 713 states and 1265 transitions. [2018-10-24 16:01:50,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:01:50,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-10-24 16:01:50,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:01:51,005 INFO L225 Difference]: With dead ends: 713 [2018-10-24 16:01:51,006 INFO L226 Difference]: Without dead ends: 499 [2018-10-24 16:01:51,011 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 [2018-10-24 16:01:51,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-10-24 16:01:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 344. [2018-10-24 16:01:51,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-10-24 16:01:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 565 transitions. [2018-10-24 16:01:51,082 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 565 transitions. Word has length 28 [2018-10-24 16:01:51,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:01:51,082 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 565 transitions. [2018-10-24 16:01:51,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:01:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 565 transitions. [2018-10-24 16:01:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-24 16:01:51,087 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:01:51,087 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] [2018-10-24 16:01:51,088 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:01:51,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:01:51,088 INFO L82 PathProgramCache]: Analyzing trace with hash -896789435, now seen corresponding path program 1 times [2018-10-24 16:01:51,088 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:01:51,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:01:51,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:51,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:01:51,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:01:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:01:51,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:01:51,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:01:51,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:01:51,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:01:51,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:01:51,413 INFO L87 Difference]: Start difference. First operand 344 states and 565 transitions. Second operand 4 states. [2018-10-24 16:01:52,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:01:52,943 INFO L93 Difference]: Finished difference Result 1246 states and 2132 transitions. [2018-10-24 16:01:52,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:01:52,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-10-24 16:01:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:01:52,951 INFO L225 Difference]: With dead ends: 1246 [2018-10-24 16:01:52,951 INFO L226 Difference]: Without dead ends: 904 [2018-10-24 16:01:52,954 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 [2018-10-24 16:01:52,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-10-24 16:01:53,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2018-10-24 16:01:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-10-24 16:01:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1379 transitions. [2018-10-24 16:01:53,024 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1379 transitions. Word has length 99 [2018-10-24 16:01:53,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:01:53,027 INFO L481 AbstractCegarLoop]: Abstraction has 904 states and 1379 transitions. [2018-10-24 16:01:53,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:01:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1379 transitions. [2018-10-24 16:01:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-24 16:01:53,032 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:01:53,032 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] [2018-10-24 16:01:53,033 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:01:53,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:01:53,033 INFO L82 PathProgramCache]: Analyzing trace with hash -281416004, now seen corresponding path program 1 times [2018-10-24 16:01:53,033 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:01:53,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:01:53,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:53,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:01:53,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:01:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:01:53,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:01:53,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:01:53,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:01:53,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:01:53,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:01:53,331 INFO L87 Difference]: Start difference. First operand 904 states and 1379 transitions. Second operand 4 states. [2018-10-24 16:01:57,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:01:57,336 INFO L93 Difference]: Finished difference Result 3202 states and 4882 transitions. [2018-10-24 16:01:57,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:01:57,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-10-24 16:01:57,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:01:57,345 INFO L225 Difference]: With dead ends: 3202 [2018-10-24 16:01:57,345 INFO L226 Difference]: Without dead ends: 1440 [2018-10-24 16:01:57,347 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:01:57,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2018-10-24 16:01:57,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1440. [2018-10-24 16:01:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2018-10-24 16:01:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1962 transitions. [2018-10-24 16:01:57,381 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1962 transitions. Word has length 104 [2018-10-24 16:01:57,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:01:57,381 INFO L481 AbstractCegarLoop]: Abstraction has 1440 states and 1962 transitions. [2018-10-24 16:01:57,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:01:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1962 transitions. [2018-10-24 16:01:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-24 16:01:57,386 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:01:57,386 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] [2018-10-24 16:01:57,386 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:01:57,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:01:57,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1958484941, now seen corresponding path program 1 times [2018-10-24 16:01:57,387 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:01:57,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:01:57,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:57,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:01:57,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:01:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:01:57,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:01:57,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:01:57,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:01:57,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:01:57,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:01:57,772 INFO L87 Difference]: Start difference. First operand 1440 states and 1962 transitions. Second operand 4 states. [2018-10-24 16:01:59,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:01:59,588 INFO L93 Difference]: Finished difference Result 3996 states and 5424 transitions. [2018-10-24 16:01:59,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:01:59,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2018-10-24 16:01:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:01:59,602 INFO L225 Difference]: With dead ends: 3996 [2018-10-24 16:01:59,602 INFO L226 Difference]: Without dead ends: 2558 [2018-10-24 16:01:59,605 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:01:59,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2018-10-24 16:01:59,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2418. [2018-10-24 16:01:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-10-24 16:01:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3039 transitions. [2018-10-24 16:01:59,650 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3039 transitions. Word has length 147 [2018-10-24 16:01:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:01:59,650 INFO L481 AbstractCegarLoop]: Abstraction has 2418 states and 3039 transitions. [2018-10-24 16:01:59,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:01:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3039 transitions. [2018-10-24 16:01:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-24 16:01:59,654 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:01:59,654 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] [2018-10-24 16:01:59,655 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:01:59,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:01:59,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1229393654, now seen corresponding path program 1 times [2018-10-24 16:01:59,655 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:01:59,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:01:59,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:59,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:01:59,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:00,050 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-10-24 16:02:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-24 16:02:00,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:00,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:00,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:02:00,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:02:00,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:00,114 INFO L87 Difference]: Start difference. First operand 2418 states and 3039 transitions. Second operand 5 states. [2018-10-24 16:02:01,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:01,918 INFO L93 Difference]: Finished difference Result 7641 states and 9605 transitions. [2018-10-24 16:02:01,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:02:01,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2018-10-24 16:02:01,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:01,941 INFO L225 Difference]: With dead ends: 7641 [2018-10-24 16:02:01,941 INFO L226 Difference]: Without dead ends: 5225 [2018-10-24 16:02:01,945 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:01,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5225 states. [2018-10-24 16:02:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5225 to 4237. [2018-10-24 16:02:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4237 states. [2018-10-24 16:02:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 5132 transitions. [2018-10-24 16:02:02,027 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 5132 transitions. Word has length 197 [2018-10-24 16:02:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:02,028 INFO L481 AbstractCegarLoop]: Abstraction has 4237 states and 5132 transitions. [2018-10-24 16:02:02,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:02:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 5132 transitions. [2018-10-24 16:02:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-24 16:02:02,035 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:02,036 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] [2018-10-24 16:02:02,036 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:02,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:02,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1736450269, now seen corresponding path program 1 times [2018-10-24 16:02:02,037 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:02,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:02,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:02,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:02,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:02,321 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-24 16:02:02,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:02,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:02,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:02,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:02,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:02,323 INFO L87 Difference]: Start difference. First operand 4237 states and 5132 transitions. Second operand 4 states. [2018-10-24 16:02:05,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:05,934 INFO L93 Difference]: Finished difference Result 9165 states and 11320 transitions. [2018-10-24 16:02:05,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:05,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 264 [2018-10-24 16:02:05,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:05,936 INFO L225 Difference]: With dead ends: 9165 [2018-10-24 16:02:05,936 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:02:05,946 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 [2018-10-24 16:02:05,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:02:05,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:02:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:02:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:02:05,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-10-24 16:02:05,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:05,948 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:02:05,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:02:05,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:02:05,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:02:05,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:02:06,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:02:06,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:02:06,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:02:07,182 WARN L179 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2018-10-24 16:02:07,312 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2018-10-24 16:02:07,315 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-24 16:02:07,315 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-24 16:02:07,316 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-24 16:02:07,317 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-24 16:02:07,318 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-24 16:02:07,319 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,320 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,321 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-24 16:02:07,321 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:02:07,321 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:02:07,321 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:02:07,321 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:02:07,321 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:02:07,322 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)))) [2018-10-24 16:02:07,322 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-24 16:02:07,322 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-24 16:02:07,322 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-24 16:02:07,322 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-24 16:02:07,322 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-24 16:02:07,323 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-24 16:02:07,324 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-24 16:02:07,325 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-24 16:02:07,326 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-24 16:02:07,327 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-24 16:02:07,328 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)))) [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:02:07,328 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:02:07,329 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,330 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-24 16:02:07,331 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-24 16:02:07,332 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-24 16:02:07,332 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-24 16:02:07,332 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-24 16:02:07,332 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-24 16:02:07,332 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,332 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,332 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:02:07,333 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-24 16:02:07,334 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-24 16:02:07,335 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:02:07,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,337 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:02:07,338 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:02:07,339 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-24 16:02:07,339 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-24 16:02:07,339 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-24 16:02:07,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:02:07 BoogieIcfgContainer [2018-10-24 16:02:07,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:02:07,367 INFO L168 Benchmark]: Toolchain (without parser) took 23878.09 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 816.8 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:07,368 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:02:07,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.55 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. [2018-10-24 16:02:07,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.73 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:07,373 INFO L168 Benchmark]: Boogie Preprocessor took 208.61 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:07,375 INFO L168 Benchmark]: RCFGBuilder took 3271.89 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:07,375 INFO L168 Benchmark]: TraceAbstraction took 19573.38 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 322.4 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -404.5 MB). Peak memory consumption was 755.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:07,388 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.55 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 108.73 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 208.61 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3271.89 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19573.38 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 322.4 MB). Free memory was 2.1 GB in the beginning and 2.5 GB in the end (delta: -404.5 MB). Peak memory consumption was 755.4 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, 19.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 15.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 677 SDtfs, 2165 SDslu, 397 SDs, 0 SdLazy, 4927 SolverSat, 1151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s 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, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s 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...