java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 20:27:10,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 20:27:10,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 20:27:10,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 20:27:10,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 20:27:10,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 20:27:10,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 20:27:10,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 20:27:10,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 20:27:10,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 20:27:10,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 20:27:10,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 20:27:10,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 20:27:10,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 20:27:10,455 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 20:27:10,456 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 20:27:10,457 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 20:27:10,459 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 20:27:10,461 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 20:27:10,463 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 20:27:10,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 20:27:10,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 20:27:10,473 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 20:27:10,487 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 20:27:10,511 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 20:27:10,511 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 20:27:10,512 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 20:27:10,512 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 20:27:10,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 20:27:10,514 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 20:27:10,514 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 20:27:10,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 20:27:10,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 20:27:10,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 20:27:10,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 20:27:10,516 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 20:27:10,516 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 20:27:10,516 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 20:27:10,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 20:27:10,517 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 20:27:10,517 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 20:27:10,517 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 20:27:10,517 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 20:27:10,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 20:27:10,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 20:27:10,519 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 20:27:10,519 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 20:27:10,519 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 20:27:10,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 20:27:10,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 20:27:10,520 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 20:27:10,520 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 20:27:10,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 20:27:10,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 20:27:10,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 20:27:10,592 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 20:27:10,592 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 20:27:10,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-10-23 20:27:10,653 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fcc769663/3e7c5193e38d488ebe93cbec10bb9896/FLAG17a4b84ce [2018-10-23 20:27:11,206 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 20:27:11,207 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-10-23 20:27:11,240 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fcc769663/3e7c5193e38d488ebe93cbec10bb9896/FLAG17a4b84ce [2018-10-23 20:27:11,257 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fcc769663/3e7c5193e38d488ebe93cbec10bb9896 [2018-10-23 20:27:11,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 20:27:11,269 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 20:27:11,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 20:27:11,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 20:27:11,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 20:27:11,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:27:11" (1/1) ... [2018-10-23 20:27:11,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ad1035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:11, skipping insertion in model container [2018-10-23 20:27:11,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:27:11" (1/1) ... [2018-10-23 20:27:11,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 20:27:11,367 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 20:27:12,004 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:27:12,009 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 20:27:12,119 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:27:12,136 INFO L193 MainTranslator]: Completed translation [2018-10-23 20:27:12,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12 WrapperNode [2018-10-23 20:27:12,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 20:27:12,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 20:27:12,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 20:27:12,138 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 20:27:12,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 20:27:12,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 20:27:12,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 20:27:12,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 20:27:12,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (1/1) ... [2018-10-23 20:27:12,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 20:27:12,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 20:27:12,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 20:27:12,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 20:27:12,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (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 20:27:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 20:27:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 20:27:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 20:27:16,596 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 20:27:16,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:27:16 BoogieIcfgContainer [2018-10-23 20:27:16,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 20:27:16,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 20:27:16,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 20:27:16,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 20:27:16,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:27:11" (1/3) ... [2018-10-23 20:27:16,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d68c649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:27:16, skipping insertion in model container [2018-10-23 20:27:16,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:12" (2/3) ... [2018-10-23 20:27:16,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d68c649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:27:16, skipping insertion in model container [2018-10-23 20:27:16,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:27:16" (3/3) ... [2018-10-23 20:27:16,607 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label38_true-unreach-call_false-termination.c [2018-10-23 20:27:16,615 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 20:27:16,623 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 20:27:16,640 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 20:27:16,677 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 20:27:16,678 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 20:27:16,678 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 20:27:16,678 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 20:27:16,678 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 20:27:16,678 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 20:27:16,678 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 20:27:16,679 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 20:27:16,679 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 20:27:16,701 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-23 20:27:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-23 20:27:16,711 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:16,712 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:27:16,714 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:16,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:16,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1316472986, now seen corresponding path program 1 times [2018-10-23 20:27:16,724 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:16,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:16,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:16,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:16,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:17,266 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 20:27:17,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:27:17,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:27:17,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:27:17,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:27:17,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:27:17,293 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-23 20:27:20,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:20,228 INFO L93 Difference]: Finished difference Result 854 states and 1562 transitions. [2018-10-23 20:27:20,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:27:20,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-10-23 20:27:20,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:20,255 INFO L225 Difference]: With dead ends: 854 [2018-10-23 20:27:20,255 INFO L226 Difference]: Without dead ends: 601 [2018-10-23 20:27:20,261 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 [2018-10-23 20:27:20,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-10-23 20:27:20,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-10-23 20:27:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-10-23 20:27:20,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 998 transitions. [2018-10-23 20:27:20,366 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 998 transitions. Word has length 51 [2018-10-23 20:27:20,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:20,367 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 998 transitions. [2018-10-23 20:27:20,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:27:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 998 transitions. [2018-10-23 20:27:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-23 20:27:20,374 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:20,375 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 20:27:20,375 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:20,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:20,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1655169523, now seen corresponding path program 1 times [2018-10-23 20:27:20,376 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:20,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:20,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:20,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:20,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:27:20,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:27:20,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:27:20,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:27:20,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:27:20,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:27:20,714 INFO L87 Difference]: Start difference. First operand 601 states and 998 transitions. Second operand 4 states. [2018-10-23 20:27:25,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:25,253 INFO L93 Difference]: Finished difference Result 2290 states and 3880 transitions. [2018-10-23 20:27:25,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:27:25,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2018-10-23 20:27:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:25,266 INFO L225 Difference]: With dead ends: 2290 [2018-10-23 20:27:25,266 INFO L226 Difference]: Without dead ends: 1691 [2018-10-23 20:27:25,274 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 20:27:25,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2018-10-23 20:27:25,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2018-10-23 20:27:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2018-10-23 20:27:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2536 transitions. [2018-10-23 20:27:25,330 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2536 transitions. Word has length 134 [2018-10-23 20:27:25,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:25,331 INFO L481 AbstractCegarLoop]: Abstraction has 1691 states and 2536 transitions. [2018-10-23 20:27:25,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:27:25,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2536 transitions. [2018-10-23 20:27:25,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-23 20:27:25,340 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:25,341 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:27:25,341 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:25,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:25,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1750529388, now seen corresponding path program 1 times [2018-10-23 20:27:25,342 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:25,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:25,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:25,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:25,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-23 20:27:25,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:27:25,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:27:25,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:27:25,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:27:25,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:27:25,653 INFO L87 Difference]: Start difference. First operand 1691 states and 2536 transitions. Second operand 4 states. [2018-10-23 20:27:27,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:27,897 INFO L93 Difference]: Finished difference Result 5525 states and 8622 transitions. [2018-10-23 20:27:27,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:27:27,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 248 [2018-10-23 20:27:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:27,920 INFO L225 Difference]: With dead ends: 5525 [2018-10-23 20:27:27,920 INFO L226 Difference]: Without dead ends: 3836 [2018-10-23 20:27:27,923 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 20:27:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2018-10-23 20:27:27,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3299. [2018-10-23 20:27:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2018-10-23 20:27:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4696 transitions. [2018-10-23 20:27:27,999 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4696 transitions. Word has length 248 [2018-10-23 20:27:27,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:27,999 INFO L481 AbstractCegarLoop]: Abstraction has 3299 states and 4696 transitions. [2018-10-23 20:27:28,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:27:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4696 transitions. [2018-10-23 20:27:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-23 20:27:28,009 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:28,009 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-10-23 20:27:28,009 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:28,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:28,010 INFO L82 PathProgramCache]: Analyzing trace with hash -472948179, now seen corresponding path program 1 times [2018-10-23 20:27:28,010 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:28,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:28,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:28,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:28,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:28,395 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-10-23 20:27:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 263 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-23 20:27:28,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:27:28,553 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 20:27:28,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:28,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:27:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2018-10-23 20:27:29,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:27:29,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-23 20:27:29,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:27:29,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:27:29,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:27:29,038 INFO L87 Difference]: Start difference. First operand 3299 states and 4696 transitions. Second operand 6 states. [2018-10-23 20:27:29,219 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-23 20:27:30,583 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-23 20:27:37,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:37,009 INFO L93 Difference]: Finished difference Result 11084 states and 15429 transitions. [2018-10-23 20:27:37,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 20:27:37,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2018-10-23 20:27:37,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:37,042 INFO L225 Difference]: With dead ends: 11084 [2018-10-23 20:27:37,043 INFO L226 Difference]: Without dead ends: 7426 [2018-10-23 20:27:37,049 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-23 20:27:37,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7426 states. [2018-10-23 20:27:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7426 to 5433. [2018-10-23 20:27:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5433 states. [2018-10-23 20:27:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5433 states to 5433 states and 6320 transitions. [2018-10-23 20:27:37,154 INFO L78 Accepts]: Start accepts. Automaton has 5433 states and 6320 transitions. Word has length 324 [2018-10-23 20:27:37,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:37,154 INFO L481 AbstractCegarLoop]: Abstraction has 5433 states and 6320 transitions. [2018-10-23 20:27:37,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:27:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5433 states and 6320 transitions. [2018-10-23 20:27:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2018-10-23 20:27:37,176 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:37,176 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 20:27:37,177 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:37,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:37,177 INFO L82 PathProgramCache]: Analyzing trace with hash 2033704599, now seen corresponding path program 1 times [2018-10-23 20:27:37,177 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:37,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:37,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:37,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:37,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:37,801 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-23 20:27:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 629 proven. 46 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-10-23 20:27:38,452 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:27:38,452 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 20:27:38,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:38,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:27:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2018-10-23 20:27:38,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:27:38,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-23 20:27:38,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 20:27:38,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 20:27:38,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-23 20:27:38,865 INFO L87 Difference]: Start difference. First operand 5433 states and 6320 transitions. Second operand 8 states. [2018-10-23 20:27:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:45,305 INFO L93 Difference]: Finished difference Result 12493 states and 14532 transitions. [2018-10-23 20:27:45,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 20:27:45,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 630 [2018-10-23 20:27:45,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:45,307 INFO L225 Difference]: With dead ends: 12493 [2018-10-23 20:27:45,307 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 20:27:45,318 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 631 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-23 20:27:45,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 20:27:45,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 20:27:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 20:27:45,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 20:27:45,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 630 [2018-10-23 20:27:45,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:45,320 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 20:27:45,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 20:27:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 20:27:45,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 20:27:45,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 20:27:45,484 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 13 [2018-10-23 20:27:45,522 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-23 20:27:45,522 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-23 20:27:45,522 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-23 20:27:45,523 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-23 20:27:45,524 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-23 20:27:45,525 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-23 20:27:45,526 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-23 20:27:45,527 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-23 20:27:45,527 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-23 20:27:45,527 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-23 20:27:45,527 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-23 20:27:45,527 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-23 20:27:45,527 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,527 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-23 20:27:45,528 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-23 20:27:45,529 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,530 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-23 20:27:45,531 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,532 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,532 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,532 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-23 20:27:45,532 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-23 20:27:45,532 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 20:27:45,532 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-23 20:27:45,532 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,533 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-23 20:27:45,534 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-23 20:27:45,535 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,536 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-23 20:27:45,537 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-23 20:27:45,538 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-23 20:27:45,539 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-23 20:27:45,540 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,540 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,540 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (or (<= 7 ~a15~0) (not (= ~a21~0 10)) (<= ~a15~0 5) (<= ~a12~0 80)) [2018-10-23 20:27:45,540 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-23 20:27:45,540 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,541 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-23 20:27:45,542 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-23 20:27:45,542 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-23 20:27:45,542 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-23 20:27:45,542 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-23 20:27:45,542 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-23 20:27:45,542 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-23 20:27:45,543 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-23 20:27:45,544 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (or (<= 7 ~a15~0) (not (= ~a21~0 10)) (<= ~a15~0 5) (<= ~a12~0 80)) [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-23 20:27:45,545 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-23 20:27:45,546 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-23 20:27:45,547 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,548 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-23 20:27:45,549 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-23 20:27:45,550 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-23 20:27:45,550 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,550 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,550 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:45,550 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-23 20:27:45,550 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-10-23 20:27:45,550 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-23 20:27:45,551 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-23 20:27:45,551 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-23 20:27:45,551 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-23 20:27:45,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:27:45 BoogieIcfgContainer [2018-10-23 20:27:45,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 20:27:45,571 INFO L168 Benchmark]: Toolchain (without parser) took 34302.67 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -979.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:45,572 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-23 20:27:45,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.45 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 20:27:45,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 243.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:45,575 INFO L168 Benchmark]: Boogie Preprocessor took 116.27 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:45,576 INFO L168 Benchmark]: RCFGBuilder took 4099.15 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 134.9 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:45,577 INFO L168 Benchmark]: TraceAbstraction took 28971.18 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 471.3 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -366.4 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:45,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 867.45 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 243.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.27 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4099.15 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 134.9 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28971.18 ms. Allocated memory was 2.2 GB in the beginning and 2.7 GB in the end (delta: 471.3 MB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -366.4 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((7 <= a15 || !(a21 == 10)) || a15 <= 5) || a12 <= 80 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((7 <= a15 || !(a21 == 10)) || a15 <= 5) || a12 <= 80 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 28.8s OverallTime, 5 OverallIterations, 5 TraceHistogramMax, 24.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 635 SDtfs, 3835 SDslu, 703 SDs, 0 SdLazy, 7594 SolverSat, 1871 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 985 GetRequests, 960 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5433occurred in iteration=4, 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 2530 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 102 NumberOfFragments, 29 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2884 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2341 NumberOfCodeBlocks, 2341 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 2334 ConstructedInterpolants, 0 QuantifiedInterpolants, 3420113 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1188 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 2816/2867 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...