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_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:02:27,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:02:27,154 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:02:27,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:02:27,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:02:27,168 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:02:27,169 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:02:27,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:02:27,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:02:27,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:02:27,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:02:27,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:02:27,176 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:02:27,177 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:02:27,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:02:27,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:02:27,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:02:27,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:02:27,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:02:27,186 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:02:27,187 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:02:27,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:02:27,194 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:02:27,194 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:02:27,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:02:27,196 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:02:27,197 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:02:27,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:02:27,199 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:02:27,200 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:02:27,200 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:02:27,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 16:02:27,204 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 16:02:27,219 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:02:27,219 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:02:27,220 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:02:27,221 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:02:27,221 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:02:27,221 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:02:27,222 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:02:27,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:02:27,222 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:02:27,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:02:27,223 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:02:27,223 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:02:27,223 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:02:27,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:02:27,223 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:02:27,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:02:27,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:02:27,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:02:27,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:02:27,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:02:27,225 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:02:27,225 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:02:27,225 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:02:27,225 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:02:27,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:02:27,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:02:27,226 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:02:27,226 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:02:27,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:02:27,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:02:27,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:02:27,291 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:02:27,292 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:02:27,292 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-10-24 16:02:27,359 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be4a6c1f3/c276b7bbf5da49a49910d703f42b2509/FLAG73bf2874f [2018-10-24 16:02:27,997 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:02:28,000 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-10-24 16:02:28,018 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be4a6c1f3/c276b7bbf5da49a49910d703f42b2509/FLAG73bf2874f [2018-10-24 16:02:28,034 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be4a6c1f3/c276b7bbf5da49a49910d703f42b2509 [2018-10-24 16:02:28,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:02:28,047 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:02:28,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:28,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:02:28,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:02:28,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a8effd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28, skipping insertion in model container [2018-10-24 16:02:28,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:02:28,137 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:02:28,585 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:28,595 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:02:28,744 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:02:28,763 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:02:28,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28 WrapperNode [2018-10-24 16:02:28,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:02:28,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:28,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:02:28,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:02:28,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:02:28,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:02:28,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:02:28,959 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:02:28,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:28,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:29,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:29,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:29,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (1/1) ... [2018-10-24 16:02:29,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:02:29,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:02:29,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:02:29,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:02:29,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (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 16:02:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:02:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:02:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:02:32,386 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:02:32,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:32 BoogieIcfgContainer [2018-10-24 16:02:32,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:02:32,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:02:32,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:02:32,393 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:02:32,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:02:28" (1/3) ... [2018-10-24 16:02:32,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc28c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:32, skipping insertion in model container [2018-10-24 16:02:32,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:02:28" (2/3) ... [2018-10-24 16:02:32,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc28c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:02:32, skipping insertion in model container [2018-10-24 16:02:32,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:02:32" (3/3) ... [2018-10-24 16:02:32,397 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label38_true-unreach-call.c [2018-10-24 16:02:32,409 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:02:32,420 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:02:32,439 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:02:32,478 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:02:32,478 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:02:32,479 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:02:32,479 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:02:32,479 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:02:32,480 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:02:32,480 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:02:32,480 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:02:32,480 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:02:32,504 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-10-24 16:02:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-24 16:02:32,512 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:32,516 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:32,519 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:32,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:32,527 INFO L82 PathProgramCache]: Analyzing trace with hash 575043410, now seen corresponding path program 1 times [2018-10-24 16:02:32,529 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:32,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:32,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:32,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:32,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:32,915 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 16:02:32,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:32,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:32,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:32,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:32,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:32,939 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-10-24 16:02:35,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:35,693 INFO L93 Difference]: Finished difference Result 713 states and 1265 transitions. [2018-10-24 16:02:35,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:35,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-10-24 16:02:35,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:35,720 INFO L225 Difference]: With dead ends: 713 [2018-10-24 16:02:35,720 INFO L226 Difference]: Without dead ends: 499 [2018-10-24 16:02:35,725 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 16:02:35,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-10-24 16:02:35,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2018-10-24 16:02:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-10-24 16:02:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 826 transitions. [2018-10-24 16:02:35,809 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 826 transitions. Word has length 33 [2018-10-24 16:02:35,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:35,810 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 826 transitions. [2018-10-24 16:02:35,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 826 transitions. [2018-10-24 16:02:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-24 16:02:35,815 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:35,816 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:35,816 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:35,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:35,817 INFO L82 PathProgramCache]: Analyzing trace with hash -904216816, now seen corresponding path program 1 times [2018-10-24 16:02:35,817 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:35,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:35,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:35,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:35,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:36,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:36,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:36,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:36,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:36,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:36,078 INFO L87 Difference]: Start difference. First operand 499 states and 826 transitions. Second operand 4 states. [2018-10-24 16:02:37,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:37,795 INFO L93 Difference]: Finished difference Result 1836 states and 3146 transitions. [2018-10-24 16:02:37,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:37,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-10-24 16:02:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:37,806 INFO L225 Difference]: With dead ends: 1836 [2018-10-24 16:02:37,806 INFO L226 Difference]: Without dead ends: 1339 [2018-10-24 16:02:37,810 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 16:02:37,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2018-10-24 16:02:37,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2018-10-24 16:02:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2018-10-24 16:02:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2042 transitions. [2018-10-24 16:02:37,875 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2042 transitions. Word has length 104 [2018-10-24 16:02:37,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:37,876 INFO L481 AbstractCegarLoop]: Abstraction has 1339 states and 2042 transitions. [2018-10-24 16:02:37,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:37,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2042 transitions. [2018-10-24 16:02:37,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-24 16:02:37,883 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:37,883 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:37,883 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:37,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:37,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1666782807, now seen corresponding path program 1 times [2018-10-24 16:02:37,884 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:37,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:37,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:37,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:37,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:38,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:38,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:38,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:38,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:38,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:38,118 INFO L87 Difference]: Start difference. First operand 1339 states and 2042 transitions. Second operand 4 states. [2018-10-24 16:02:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:42,314 INFO L93 Difference]: Finished difference Result 4771 states and 7257 transitions. [2018-10-24 16:02:42,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:42,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-10-24 16:02:42,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:42,328 INFO L225 Difference]: With dead ends: 4771 [2018-10-24 16:02:42,329 INFO L226 Difference]: Without dead ends: 2149 [2018-10-24 16:02:42,332 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:42,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2018-10-24 16:02:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2149. [2018-10-24 16:02:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2018-10-24 16:02:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2922 transitions. [2018-10-24 16:02:42,383 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2922 transitions. Word has length 109 [2018-10-24 16:02:42,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:42,385 INFO L481 AbstractCegarLoop]: Abstraction has 2149 states and 2922 transitions. [2018-10-24 16:02:42,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2922 transitions. [2018-10-24 16:02:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-24 16:02:42,395 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:42,395 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:42,395 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:42,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:42,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1426061688, now seen corresponding path program 1 times [2018-10-24 16:02:42,396 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:42,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:42,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:42,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:42,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:02:42,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:42,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:02:42,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:42,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:42,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:42,772 INFO L87 Difference]: Start difference. First operand 2149 states and 2922 transitions. Second operand 4 states. [2018-10-24 16:02:43,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:43,906 INFO L93 Difference]: Finished difference Result 5975 states and 8120 transitions. [2018-10-24 16:02:43,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:43,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2018-10-24 16:02:43,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:43,922 INFO L225 Difference]: With dead ends: 5975 [2018-10-24 16:02:43,923 INFO L226 Difference]: Without dead ends: 3828 [2018-10-24 16:02:43,926 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 16:02:43,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2018-10-24 16:02:43,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3408. [2018-10-24 16:02:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3408 states. [2018-10-24 16:02:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3408 states and 4288 transitions. [2018-10-24 16:02:43,993 INFO L78 Accepts]: Start accepts. Automaton has 3408 states and 4288 transitions. Word has length 152 [2018-10-24 16:02:43,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:43,993 INFO L481 AbstractCegarLoop]: Abstraction has 3408 states and 4288 transitions. [2018-10-24 16:02:43,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:43,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 4288 transitions. [2018-10-24 16:02:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-10-24 16:02:44,001 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:44,002 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:02:44,002 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:44,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:44,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1166985398, now seen corresponding path program 1 times [2018-10-24 16:02:44,002 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:44,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:44,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:44,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:44,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-24 16:02:44,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:02:44,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:02:44,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:02:44,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:02:44,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:02:44,292 INFO L87 Difference]: Start difference. First operand 3408 states and 4288 transitions. Second operand 4 states. [2018-10-24 16:02:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:45,618 INFO L93 Difference]: Finished difference Result 8914 states and 11363 transitions. [2018-10-24 16:02:45,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:45,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 297 [2018-10-24 16:02:45,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:45,642 INFO L225 Difference]: With dead ends: 8914 [2018-10-24 16:02:45,642 INFO L226 Difference]: Without dead ends: 5508 [2018-10-24 16:02:45,648 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 16:02:45,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2018-10-24 16:02:45,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 5368. [2018-10-24 16:02:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2018-10-24 16:02:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 6567 transitions. [2018-10-24 16:02:45,747 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 6567 transitions. Word has length 297 [2018-10-24 16:02:45,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:45,748 INFO L481 AbstractCegarLoop]: Abstraction has 5368 states and 6567 transitions. [2018-10-24 16:02:45,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:02:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 6567 transitions. [2018-10-24 16:02:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-10-24 16:02:45,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:02:45,761 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:02:45,762 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:02:45,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:02:45,762 INFO L82 PathProgramCache]: Analyzing trace with hash 147983150, now seen corresponding path program 1 times [2018-10-24 16:02:45,762 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:02:45,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:02:45,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:45,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:45,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:02:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 271 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-24 16:02:46,191 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:02:46,191 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 [2018-10-24 16:02:46,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:02:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:02:46,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:02:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 16:02:46,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:02:46,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-24 16:02:46,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:02:46,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:02:46,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:46,586 INFO L87 Difference]: Start difference. First operand 5368 states and 6567 transitions. Second operand 5 states. [2018-10-24 16:02:51,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:02:51,161 INFO L93 Difference]: Finished difference Result 9459 states and 11643 transitions. [2018-10-24 16:02:51,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:02:51,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2018-10-24 16:02:51,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:02:51,163 INFO L225 Difference]: With dead ends: 9459 [2018-10-24 16:02:51,163 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:02:51,170 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:02:51,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:02:51,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:02:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:02:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:02:51,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 333 [2018-10-24 16:02:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:02:51,172 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:02:51,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:02:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:02:51,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:02:51,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:02:52,386 WARN L179 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-10-24 16:02:52,827 WARN L179 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-10-24 16:02:52,831 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-24 16:02:52,831 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,831 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:02:52,832 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-24 16:02:52,833 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-24 16:02:52,834 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-24 16:02:52,835 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:02:52,835 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:02:52,835 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:02:52,835 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:02:52,835 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:02:52,835 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-24 16:02:52,835 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,836 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,837 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-24 16:02:52,837 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:02:52,837 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:02:52,837 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:02:52,837 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:02:52,837 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:02:52,838 INFO L421 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse1 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse4 (<= 1 ~a10~0)) (.cse5 (= ~a19~0 9)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a10~0 2)) (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1 .cse3 .cse4) (and .cse4 .cse5) (and .cse5 .cse2))) [2018-10-24 16:02:52,838 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-24 16:02:52,838 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-24 16:02:52,838 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-24 16:02:52,838 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-24 16:02:52,838 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,838 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:02:52,839 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:02:52,840 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:02:52,840 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:02:52,840 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-24 16:02:52,840 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-24 16:02:52,840 INFO L428 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2018-10-24 16:02:52,840 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-24 16:02:52,840 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-24 16:02:52,840 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:02:52,841 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:02:52,842 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:02:52,842 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:02:52,842 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-24 16:02:52,842 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-24 16:02:52,842 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-24 16:02:52,842 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-24 16:02:52,842 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-24 16:02:52,843 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:02:52,844 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-24 16:02:52,845 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2018-10-24 16:02:52,845 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-24 16:02:52,845 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 218)) (.cse1 (not (= ~a19~0 7))) (.cse3 (not (= ~a19~0 10))) (.cse4 (<= 1 ~a10~0)) (.cse5 (= ~a19~0 9)) (.cse2 (= ~a10~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= ~a10~0 2)) (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1 .cse3 .cse4) (and .cse4 .cse5) (and .cse5 .cse2))) [2018-10-24 16:02:52,845 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-24 16:02:52,845 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,845 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,845 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-24 16:02:52,846 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-24 16:02:52,847 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,848 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:02:52,849 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:02:52,850 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-24 16:02:52,850 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-24 16:02:52,850 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-24 16:02:52,850 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-24 16:02:52,850 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-24 16:02:52,850 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-24 16:02:52,850 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:02:52,851 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-24 16:02:52,852 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,853 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:02:52,854 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,855 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:02:52,856 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:02:52,857 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:02:52,857 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:02:52,857 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-24 16:02:52,857 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-24 16:02:52,857 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-24 16:02:52,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:02:52 BoogieIcfgContainer [2018-10-24 16:02:52,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:02:52,878 INFO L168 Benchmark]: Toolchain (without parser) took 24832.67 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -622.4 MB). Peak memory consumption was 470.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:52,880 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:02:52,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.79 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 16:02:52,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 754.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:52,882 INFO L168 Benchmark]: Boogie Preprocessor took 95.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:52,883 INFO L168 Benchmark]: RCFGBuilder took 3333.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 129.7 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:52,884 INFO L168 Benchmark]: TraceAbstraction took 20488.43 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 338.7 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 44.4 MB). Peak memory consumption was 383.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:02:52,890 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.79 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 192.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 754.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3333.06 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 129.7 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20488.43 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 338.7 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 44.4 MB). Peak memory consumption was 383.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && a10 == 0) || ((a1 <= 218 && !(a19 == 10)) && a10 == 2)) || a19 == 8) || a10 == 1) || (((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10)) || (1 <= a10 && a19 == 9)) || (a19 == 9 && a10 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((a1 <= 218 && !(a19 == 7)) && a10 == 0) || ((a1 <= 218 && !(a19 == 10)) && a10 == 2)) || a19 == 8) || a10 == 1) || (((a1 <= 218 && !(a19 == 7)) && !(a19 == 10)) && 1 <= a10)) || (1 <= a10 && a19 == 9)) || (a19 == 9 && 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, 20.3s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 15.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 661 SDtfs, 1880 SDslu, 337 SDs, 0 SdLazy, 4584 SolverSat, 1180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 340 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5368occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 560 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 117 HoareAnnotationTreeSize, 3 FomulaSimplifications, 786 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 466 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1361 NumberOfCodeBlocks, 1361 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1354 ConstructedInterpolants, 0 QuantifiedInterpolants, 785783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1065/1072 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...