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_label45_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:30:55,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:30:55,101 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:30:55,117 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:30:55,117 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:30:55,118 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:30:55,119 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:30:55,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:30:55,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:30:55,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:30:55,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:30:55,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:30:55,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:30:55,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:30:55,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:30:55,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:30:55,131 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:30:55,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:30:55,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:30:55,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:30:55,141 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:30:55,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:30:55,145 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 16:30:55,165 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 16:30:55,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:30:55,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:30:55,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:30:55,191 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:30:55,191 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:30:55,192 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:30:55,192 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:30:55,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:30:55,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:30:55,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:30:55,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:30:55,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:30:55,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:30:55,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:30:55,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:30:55,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:30:55,194 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:30:55,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:30:55,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:30:55,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:30:55,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:30:55,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:30:55,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:30:55,195 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:30:55,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:30:55,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:30:55,196 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:30:55,196 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:30:55,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:30:55,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:30:55,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:30:55,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:30:55,276 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:30:55,277 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-10-24 16:30:55,340 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/05887091f/880d03bcf48f4ce58b405fcc032da6c7/FLAGe9e63cf9f [2018-10-24 16:30:55,900 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:30:55,902 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-10-24 16:30:55,923 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/05887091f/880d03bcf48f4ce58b405fcc032da6c7/FLAGe9e63cf9f [2018-10-24 16:30:55,948 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/05887091f/880d03bcf48f4ce58b405fcc032da6c7 [2018-10-24 16:30:55,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:30:55,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:30:55,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:30:55,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:30:55,973 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:30:55,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:30:55" (1/1) ... [2018-10-24 16:30:55,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b071f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:55, skipping insertion in model container [2018-10-24 16:30:55,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:30:55" (1/1) ... [2018-10-24 16:30:55,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:30:56,067 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:30:56,590 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:30:56,597 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:30:56,740 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:30:56,760 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:30:56,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56 WrapperNode [2018-10-24 16:30:56,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:30:56,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:30:56,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:30:56,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:30:56,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:56,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:56,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:30:56,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:30:56,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:30:56,998 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:30:57,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:57,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:57,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:57,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:57,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:57,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:57,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (1/1) ... [2018-10-24 16:30:57,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:30:57,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:30:57,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:30:57,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:30:57,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (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 16:30:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:30:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:30:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:31:00,737 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:31:00,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:31:00 BoogieIcfgContainer [2018-10-24 16:31:00,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:31:00,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:31:00,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:31:00,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:31:00,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:30:55" (1/3) ... [2018-10-24 16:31:00,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221e4641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:31:00, skipping insertion in model container [2018-10-24 16:31:00,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:30:56" (2/3) ... [2018-10-24 16:31:00,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221e4641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:31:00, skipping insertion in model container [2018-10-24 16:31:00,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:31:00" (3/3) ... [2018-10-24 16:31:00,747 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45_true-unreach-call_false-termination.c [2018-10-24 16:31:00,756 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:31:00,765 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:31:00,783 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:31:00,818 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:31:00,819 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:31:00,819 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:31:00,819 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:31:00,819 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:31:00,819 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:31:00,820 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:31:00,820 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:31:00,820 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:31:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-24 16:31:00,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-24 16:31:00,854 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:00,856 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] [2018-10-24 16:31:00,859 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:00,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:00,866 INFO L82 PathProgramCache]: Analyzing trace with hash 680225122, now seen corresponding path program 1 times [2018-10-24 16:31:00,868 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:00,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:00,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:00,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:00,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:01,311 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 16:31:01,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:01,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:01,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:01,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:01,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:01,339 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-24 16:31:04,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:04,854 INFO L93 Difference]: Finished difference Result 870 states and 1578 transitions. [2018-10-24 16:31:04,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:04,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-10-24 16:31:04,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:04,881 INFO L225 Difference]: With dead ends: 870 [2018-10-24 16:31:04,881 INFO L226 Difference]: Without dead ends: 617 [2018-10-24 16:31:04,887 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 16:31:04,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-10-24 16:31:04,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 422. [2018-10-24 16:31:04,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-10-24 16:31:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 648 transitions. [2018-10-24 16:31:04,975 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 648 transitions. Word has length 37 [2018-10-24 16:31:04,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:04,976 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 648 transitions. [2018-10-24 16:31:04,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:04,977 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 648 transitions. [2018-10-24 16:31:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-24 16:31:04,985 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:04,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:31:04,990 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:04,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:04,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1683224818, now seen corresponding path program 1 times [2018-10-24 16:31:04,990 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:04,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:04,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:04,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:04,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:31:05,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:05,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:05,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:05,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:05,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:05,316 INFO L87 Difference]: Start difference. First operand 422 states and 648 transitions. Second operand 4 states. [2018-10-24 16:31:08,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:08,716 INFO L93 Difference]: Finished difference Result 1558 states and 2464 transitions. [2018-10-24 16:31:08,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:08,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-10-24 16:31:08,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:08,723 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 16:31:08,724 INFO L226 Difference]: Without dead ends: 760 [2018-10-24 16:31:08,727 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 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 16:31:08,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2018-10-24 16:31:08,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2018-10-24 16:31:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2018-10-24 16:31:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1122 transitions. [2018-10-24 16:31:08,762 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1122 transitions. Word has length 117 [2018-10-24 16:31:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:08,762 INFO L481 AbstractCegarLoop]: Abstraction has 760 states and 1122 transitions. [2018-10-24 16:31:08,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1122 transitions. [2018-10-24 16:31:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-24 16:31:08,766 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:08,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:31:08,767 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:08,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:08,767 INFO L82 PathProgramCache]: Analyzing trace with hash -380483028, now seen corresponding path program 1 times [2018-10-24 16:31:08,767 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:08,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:08,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:08,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:08,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:31:09,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:09,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 16:31:09,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:31:09,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:31:09,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:31:09,250 INFO L87 Difference]: Start difference. First operand 760 states and 1122 transitions. Second operand 7 states. [2018-10-24 16:31:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:12,976 INFO L93 Difference]: Finished difference Result 1720 states and 2485 transitions. [2018-10-24 16:31:12,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 16:31:12,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2018-10-24 16:31:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:12,984 INFO L225 Difference]: With dead ends: 1720 [2018-10-24 16:31:12,984 INFO L226 Difference]: Without dead ends: 962 [2018-10-24 16:31:12,986 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:31:12,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2018-10-24 16:31:13,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 939. [2018-10-24 16:31:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-10-24 16:31:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1307 transitions. [2018-10-24 16:31:13,014 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1307 transitions. Word has length 129 [2018-10-24 16:31:13,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:13,015 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1307 transitions. [2018-10-24 16:31:13,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:31:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1307 transitions. [2018-10-24 16:31:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-24 16:31:13,021 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:13,021 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, 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] [2018-10-24 16:31:13,021 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:13,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:13,022 INFO L82 PathProgramCache]: Analyzing trace with hash -807525568, now seen corresponding path program 1 times [2018-10-24 16:31:13,022 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:13,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:13,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:13,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:13,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 139 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 16:31:13,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:13,319 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 16:31:13,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:13,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-24 16:31:13,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:13,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-24 16:31:13,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:31:13,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:31:13,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:31:13,643 INFO L87 Difference]: Start difference. First operand 939 states and 1307 transitions. Second operand 6 states. [2018-10-24 16:31:15,105 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-24 16:31:17,524 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-24 16:31:21,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:21,627 INFO L93 Difference]: Finished difference Result 3524 states and 4877 transitions. [2018-10-24 16:31:21,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 16:31:21,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 210 [2018-10-24 16:31:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:21,639 INFO L225 Difference]: With dead ends: 3524 [2018-10-24 16:31:21,640 INFO L226 Difference]: Without dead ends: 2376 [2018-10-24 16:31:21,642 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:31:21,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2018-10-24 16:31:21,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 1833. [2018-10-24 16:31:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2018-10-24 16:31:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2081 transitions. [2018-10-24 16:31:21,682 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2081 transitions. Word has length 210 [2018-10-24 16:31:21,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:21,683 INFO L481 AbstractCegarLoop]: Abstraction has 1833 states and 2081 transitions. [2018-10-24 16:31:21,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:31:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2081 transitions. [2018-10-24 16:31:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-10-24 16:31:21,690 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:21,690 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:21,690 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:21,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash 626607161, now seen corresponding path program 1 times [2018-10-24 16:31:21,691 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:21,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:21,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:21,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:21,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:22,351 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-10-24 16:31:22,853 WARN L179 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2018-10-24 16:31:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 159 proven. 132 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-24 16:31:23,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:23,088 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 [2018-10-24 16:31:23,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:23,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-10-24 16:31:23,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:23,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2018-10-24 16:31:23,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 16:31:23,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 16:31:23,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 16:31:23,350 INFO L87 Difference]: Start difference. First operand 1833 states and 2081 transitions. Second operand 8 states. [2018-10-24 16:31:25,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:25,426 INFO L93 Difference]: Finished difference Result 4416 states and 5039 transitions. [2018-10-24 16:31:25,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:31:25,427 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 333 [2018-10-24 16:31:25,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:25,440 INFO L225 Difference]: With dead ends: 4416 [2018-10-24 16:31:25,441 INFO L226 Difference]: Without dead ends: 2764 [2018-10-24 16:31:25,444 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2018-10-24 16:31:25,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2018-10-24 16:31:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2728. [2018-10-24 16:31:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2728 states. [2018-10-24 16:31:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3005 transitions. [2018-10-24 16:31:25,504 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3005 transitions. Word has length 333 [2018-10-24 16:31:25,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:25,505 INFO L481 AbstractCegarLoop]: Abstraction has 2728 states and 3005 transitions. [2018-10-24 16:31:25,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 16:31:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3005 transitions. [2018-10-24 16:31:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2018-10-24 16:31:25,516 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:25,517 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:25,517 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:25,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:25,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1453595235, now seen corresponding path program 1 times [2018-10-24 16:31:25,518 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:25,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:25,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:25,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:25,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2018-10-24 16:31:26,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:26,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:26,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:26,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:26,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:26,199 INFO L87 Difference]: Start difference. First operand 2728 states and 3005 transitions. Second operand 4 states. [2018-10-24 16:31:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:27,923 INFO L93 Difference]: Finished difference Result 6707 states and 7633 transitions. [2018-10-24 16:31:27,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:27,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 442 [2018-10-24 16:31:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:27,940 INFO L225 Difference]: With dead ends: 6707 [2018-10-24 16:31:27,940 INFO L226 Difference]: Without dead ends: 4160 [2018-10-24 16:31:27,944 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:27,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4160 states. [2018-10-24 16:31:28,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4160 to 4160. [2018-10-24 16:31:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4160 states. [2018-10-24 16:31:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 4651 transitions. [2018-10-24 16:31:28,024 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 4651 transitions. Word has length 442 [2018-10-24 16:31:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:28,025 INFO L481 AbstractCegarLoop]: Abstraction has 4160 states and 4651 transitions. [2018-10-24 16:31:28,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 4651 transitions. [2018-10-24 16:31:28,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-10-24 16:31:28,041 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:28,042 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:28,042 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:28,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:28,042 INFO L82 PathProgramCache]: Analyzing trace with hash 993275040, now seen corresponding path program 1 times [2018-10-24 16:31:28,042 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:28,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:28,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:28,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:28,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:28,508 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-24 16:31:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 425 proven. 316 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-24 16:31:29,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:29,203 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:29,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:29,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 425 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-10-24 16:31:29,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:31:29,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2018-10-24 16:31:29,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 16:31:29,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 16:31:29,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:31:29,803 INFO L87 Difference]: Start difference. First operand 4160 states and 4651 transitions. Second operand 9 states. [2018-10-24 16:31:33,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:33,085 INFO L93 Difference]: Finished difference Result 9213 states and 10309 transitions. [2018-10-24 16:31:33,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 16:31:33,088 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 475 [2018-10-24 16:31:33,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:33,109 INFO L225 Difference]: With dead ends: 9213 [2018-10-24 16:31:33,109 INFO L226 Difference]: Without dead ends: 4874 [2018-10-24 16:31:33,116 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-10-24 16:31:33,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4874 states. [2018-10-24 16:31:33,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4874 to 4695. [2018-10-24 16:31:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4695 states. [2018-10-24 16:31:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 5121 transitions. [2018-10-24 16:31:33,209 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 5121 transitions. Word has length 475 [2018-10-24 16:31:33,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:33,210 INFO L481 AbstractCegarLoop]: Abstraction has 4695 states and 5121 transitions. [2018-10-24 16:31:33,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 16:31:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5121 transitions. [2018-10-24 16:31:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2018-10-24 16:31:33,226 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:33,227 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-10-24 16:31:33,227 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:33,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:33,228 INFO L82 PathProgramCache]: Analyzing trace with hash 856828454, now seen corresponding path program 1 times [2018-10-24 16:31:33,228 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:33,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:33,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:33,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:33,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:33,829 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-24 16:31:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-10-24 16:31:33,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:33,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:33,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:33,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:33,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:33,964 INFO L87 Difference]: Start difference. First operand 4695 states and 5121 transitions. Second operand 4 states. [2018-10-24 16:31:35,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:35,685 INFO L93 Difference]: Finished difference Result 9388 states and 10240 transitions. [2018-10-24 16:31:35,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:35,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 542 [2018-10-24 16:31:35,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:35,703 INFO L225 Difference]: With dead ends: 9388 [2018-10-24 16:31:35,703 INFO L226 Difference]: Without dead ends: 4695 [2018-10-24 16:31:35,708 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:35,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2018-10-24 16:31:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4695. [2018-10-24 16:31:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4695 states. [2018-10-24 16:31:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 5000 transitions. [2018-10-24 16:31:35,781 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 5000 transitions. Word has length 542 [2018-10-24 16:31:35,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:35,782 INFO L481 AbstractCegarLoop]: Abstraction has 4695 states and 5000 transitions. [2018-10-24 16:31:35,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5000 transitions. [2018-10-24 16:31:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2018-10-24 16:31:35,790 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:35,790 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:31:35,791 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:35,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:35,791 INFO L82 PathProgramCache]: Analyzing trace with hash -544950873, now seen corresponding path program 1 times [2018-10-24 16:31:35,791 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:35,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:35,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:35,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:35,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 907 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-10-24 16:31:36,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:36,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:36,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:31:36,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:31:36,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:31:36,277 INFO L87 Difference]: Start difference. First operand 4695 states and 5000 transitions. Second operand 3 states. [2018-10-24 16:31:38,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:38,141 INFO L93 Difference]: Finished difference Result 11536 states and 12374 transitions. [2018-10-24 16:31:38,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:31:38,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 656 [2018-10-24 16:31:38,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:38,162 INFO L225 Difference]: With dead ends: 11536 [2018-10-24 16:31:38,162 INFO L226 Difference]: Without dead ends: 6843 [2018-10-24 16:31:38,168 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:31:38,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6843 states. [2018-10-24 16:31:38,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6843 to 6843. [2018-10-24 16:31:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6843 states. [2018-10-24 16:31:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6843 states to 6843 states and 7326 transitions. [2018-10-24 16:31:38,270 INFO L78 Accepts]: Start accepts. Automaton has 6843 states and 7326 transitions. Word has length 656 [2018-10-24 16:31:38,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:38,271 INFO L481 AbstractCegarLoop]: Abstraction has 6843 states and 7326 transitions. [2018-10-24 16:31:38,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:31:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6843 states and 7326 transitions. [2018-10-24 16:31:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2018-10-24 16:31:38,282 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:38,283 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:31:38,283 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:38,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:38,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1841303999, now seen corresponding path program 1 times [2018-10-24 16:31:38,284 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:38,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:38,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:38,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:38,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 1155 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-10-24 16:31:38,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:38,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:31:38,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:31:38,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:31:38,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:31:38,779 INFO L87 Difference]: Start difference. First operand 6843 states and 7326 transitions. Second operand 3 states. [2018-10-24 16:31:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:39,490 INFO L93 Difference]: Finished difference Result 15295 states and 16401 transitions. [2018-10-24 16:31:39,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:31:39,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 729 [2018-10-24 16:31:39,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:39,515 INFO L225 Difference]: With dead ends: 15295 [2018-10-24 16:31:39,515 INFO L226 Difference]: Without dead ends: 8454 [2018-10-24 16:31:39,522 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:31:39,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8454 states. [2018-10-24 16:31:39,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8454 to 8454. [2018-10-24 16:31:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8454 states. [2018-10-24 16:31:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8454 states to 8454 states and 9025 transitions. [2018-10-24 16:31:39,617 INFO L78 Accepts]: Start accepts. Automaton has 8454 states and 9025 transitions. Word has length 729 [2018-10-24 16:31:39,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:39,618 INFO L481 AbstractCegarLoop]: Abstraction has 8454 states and 9025 transitions. [2018-10-24 16:31:39,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:31:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 8454 states and 9025 transitions. [2018-10-24 16:31:39,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2018-10-24 16:31:39,631 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:39,631 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 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 16:31:39,632 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:39,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:39,632 INFO L82 PathProgramCache]: Analyzing trace with hash -233229417, now seen corresponding path program 1 times [2018-10-24 16:31:39,632 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:39,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:39,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:39,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:39,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 1535 proven. 0 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2018-10-24 16:31:40,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:40,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:40,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:40,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:40,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:40,620 INFO L87 Difference]: Start difference. First operand 8454 states and 9025 transitions. Second operand 4 states. [2018-10-24 16:31:41,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:41,802 INFO L93 Difference]: Finished difference Result 18696 states and 20064 transitions. [2018-10-24 16:31:41,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:41,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 885 [2018-10-24 16:31:41,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:41,821 INFO L225 Difference]: With dead ends: 18696 [2018-10-24 16:31:41,821 INFO L226 Difference]: Without dead ends: 10244 [2018-10-24 16:31:41,829 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10244 states. [2018-10-24 16:31:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10244 to 10244. [2018-10-24 16:31:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10244 states. [2018-10-24 16:31:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10244 states to 10244 states and 10827 transitions. [2018-10-24 16:31:41,948 INFO L78 Accepts]: Start accepts. Automaton has 10244 states and 10827 transitions. Word has length 885 [2018-10-24 16:31:41,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:41,948 INFO L481 AbstractCegarLoop]: Abstraction has 10244 states and 10827 transitions. [2018-10-24 16:31:41,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 10244 states and 10827 transitions. [2018-10-24 16:31:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2018-10-24 16:31:41,968 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:41,969 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 16:31:41,969 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:41,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:41,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1258152596, now seen corresponding path program 1 times [2018-10-24 16:31:41,970 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:41,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:41,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:41,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:41,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:42,578 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 16:31:42,767 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-24 16:31:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2945 backedges. 2001 proven. 201 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2018-10-24 16:31:44,373 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:44,373 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:44,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:44,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:31:46,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2945 backedges. 1908 proven. 93 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2018-10-24 16:31:46,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:31:46,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 8 [2018-10-24 16:31:46,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 16:31:46,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 16:31:46,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:31:46,355 INFO L87 Difference]: Start difference. First operand 10244 states and 10827 transitions. Second operand 9 states. [2018-10-24 16:31:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:48,943 INFO L93 Difference]: Finished difference Result 21315 states and 22513 transitions. [2018-10-24 16:31:48,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 16:31:48,943 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 979 [2018-10-24 16:31:48,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:48,962 INFO L225 Difference]: With dead ends: 21315 [2018-10-24 16:31:48,963 INFO L226 Difference]: Without dead ends: 11073 [2018-10-24 16:31:48,974 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 978 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2018-10-24 16:31:48,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11073 states. [2018-10-24 16:31:49,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11073 to 10778. [2018-10-24 16:31:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10778 states. [2018-10-24 16:31:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 11333 transitions. [2018-10-24 16:31:49,117 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 11333 transitions. Word has length 979 [2018-10-24 16:31:49,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:49,118 INFO L481 AbstractCegarLoop]: Abstraction has 10778 states and 11333 transitions. [2018-10-24 16:31:49,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 16:31:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 11333 transitions. [2018-10-24 16:31:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1058 [2018-10-24 16:31:49,138 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:49,138 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:49,139 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:49,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:49,139 INFO L82 PathProgramCache]: Analyzing trace with hash 844250533, now seen corresponding path program 1 times [2018-10-24 16:31:49,140 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:49,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:49,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:49,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:49,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:49,907 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-24 16:31:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 1099 proven. 0 refuted. 0 times theorem prover too weak. 2497 trivial. 0 not checked. [2018-10-24 16:31:50,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:50,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:31:50,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:31:50,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:31:50,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:50,610 INFO L87 Difference]: Start difference. First operand 10778 states and 11333 transitions. Second operand 4 states. [2018-10-24 16:31:51,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:51,955 INFO L93 Difference]: Finished difference Result 21554 states and 22664 transitions. [2018-10-24 16:31:51,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:31:51,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1057 [2018-10-24 16:31:51,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:51,969 INFO L225 Difference]: With dead ends: 21554 [2018-10-24 16:31:51,969 INFO L226 Difference]: Without dead ends: 10778 [2018-10-24 16:31:51,979 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:31:51,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10778 states. [2018-10-24 16:31:52,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10778 to 10778. [2018-10-24 16:31:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10778 states. [2018-10-24 16:31:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 11184 transitions. [2018-10-24 16:31:52,106 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 11184 transitions. Word has length 1057 [2018-10-24 16:31:52,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:52,107 INFO L481 AbstractCegarLoop]: Abstraction has 10778 states and 11184 transitions. [2018-10-24 16:31:52,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:31:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 11184 transitions. [2018-10-24 16:31:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2018-10-24 16:31:52,128 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:52,129 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:52,129 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:52,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:52,130 INFO L82 PathProgramCache]: Analyzing trace with hash 659954717, now seen corresponding path program 1 times [2018-10-24 16:31:52,130 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:52,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:52,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:52,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:52,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3833 backedges. 2480 proven. 0 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2018-10-24 16:31:53,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:31:53,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 16:31:53,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:31:53,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:31:53,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:31:53,132 INFO L87 Difference]: Start difference. First operand 10778 states and 11184 transitions. Second operand 5 states. [2018-10-24 16:31:55,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:31:55,127 INFO L93 Difference]: Finished difference Result 22810 states and 23674 transitions. [2018-10-24 16:31:55,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:31:55,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1105 [2018-10-24 16:31:55,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:31:55,142 INFO L225 Difference]: With dead ends: 22810 [2018-10-24 16:31:55,143 INFO L226 Difference]: Without dead ends: 12034 [2018-10-24 16:31:55,153 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:31:55,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12034 states. [2018-10-24 16:31:55,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12034 to 11137. [2018-10-24 16:31:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11137 states. [2018-10-24 16:31:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11137 states to 11137 states and 11547 transitions. [2018-10-24 16:31:55,269 INFO L78 Accepts]: Start accepts. Automaton has 11137 states and 11547 transitions. Word has length 1105 [2018-10-24 16:31:55,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:31:55,270 INFO L481 AbstractCegarLoop]: Abstraction has 11137 states and 11547 transitions. [2018-10-24 16:31:55,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:31:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 11137 states and 11547 transitions. [2018-10-24 16:31:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2018-10-24 16:31:55,305 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:31:55,306 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:31:55,306 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:31:55,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:31:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1518888912, now seen corresponding path program 1 times [2018-10-24 16:31:55,307 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:31:55,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:31:55,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:55,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:55,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:31:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8578 backedges. 3516 proven. 441 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-24 16:31:58,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:31:58,088 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:31:58,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:31:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:31:58,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:32:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8578 backedges. 3586 proven. 371 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-24 16:32:00,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:32:00,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-10-24 16:32:00,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 16:32:00,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 16:32:00,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:32:00,545 INFO L87 Difference]: Start difference. First operand 11137 states and 11547 transitions. Second operand 10 states. [2018-10-24 16:32:08,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:08,558 INFO L93 Difference]: Finished difference Result 24248 states and 25159 transitions. [2018-10-24 16:32:08,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 16:32:08,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1646 [2018-10-24 16:32:08,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:08,572 INFO L225 Difference]: With dead ends: 24248 [2018-10-24 16:32:08,573 INFO L226 Difference]: Without dead ends: 13113 [2018-10-24 16:32:08,580 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1662 GetRequests, 1648 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-10-24 16:32:08,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13113 states. [2018-10-24 16:32:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13113 to 12575. [2018-10-24 16:32:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12575 states. [2018-10-24 16:32:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12575 states to 12575 states and 12968 transitions. [2018-10-24 16:32:08,713 INFO L78 Accepts]: Start accepts. Automaton has 12575 states and 12968 transitions. Word has length 1646 [2018-10-24 16:32:08,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:08,714 INFO L481 AbstractCegarLoop]: Abstraction has 12575 states and 12968 transitions. [2018-10-24 16:32:08,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 16:32:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 12575 states and 12968 transitions. [2018-10-24 16:32:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1821 [2018-10-24 16:32:08,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:32:08,747 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:32:08,748 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:32:08,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:32:08,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1871214169, now seen corresponding path program 1 times [2018-10-24 16:32:08,749 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:32:08,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:32:08,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:08,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:32:08,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:32:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:32:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10200 backedges. 4382 proven. 0 refuted. 0 times theorem prover too weak. 5818 trivial. 0 not checked. [2018-10-24 16:32:11,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:32:11,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:32:11,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:32:11,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:32:11,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:11,191 INFO L87 Difference]: Start difference. First operand 12575 states and 12968 transitions. Second operand 4 states. [2018-10-24 16:32:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:32:12,289 INFO L93 Difference]: Finished difference Result 23710 states and 24414 transitions. [2018-10-24 16:32:12,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:32:12,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1820 [2018-10-24 16:32:12,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:32:12,291 INFO L225 Difference]: With dead ends: 23710 [2018-10-24 16:32:12,291 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 16:32:12,299 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:32:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 16:32:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 16:32:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 16:32:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 16:32:12,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1820 [2018-10-24 16:32:12,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:32:12,300 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 16:32:12,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:32:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 16:32:12,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 16:32:12,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 16:32:12,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,554 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 156 [2018-10-24 16:32:12,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-24 16:32:12,787 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 158 [2018-10-24 16:32:17,495 WARN L179 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2018-10-24 16:32:18,585 WARN L179 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2018-10-24 16:32:18,589 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-24 16:32:18,589 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-24 16:32:18,589 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,589 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,589 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,589 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-24 16:32:18,590 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,591 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-24 16:32:18,592 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-24 16:32:18,593 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-24 16:32:18,594 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-24 16:32:18,595 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,596 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-24 16:32:18,597 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-24 16:32:18,598 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-24 16:32:18,599 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-24 16:32:18,600 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,601 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,602 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-24 16:32:18,603 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-24 16:32:18,604 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,605 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,606 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse21 (+ ~a12~0 43))) (let ((.cse8 (= ~a21~0 7)) (.cse9 (= ~a15~0 8)) (.cse4 (= ~a24~0 1)) (.cse7 (<= .cse21 0))) (let ((.cse11 (<= ~a24~0 1)) (.cse16 (and .cse4 .cse7)) (.cse10 (<= ~a12~0 11)) (.cse13 (< 0 .cse21)) (.cse20 (= ~a15~0 7)) (.cse3 (= ~a21~0 9)) (.cse5 (<= ~a15~0 8)) (.cse6 (<= ~a21~0 6)) (.cse14 (= ~a21~0 10)) (.cse2 (< 80 ~a12~0)) (.cse0 (not (= 7 ~a15~0))) (.cse12 (= ~a21~0 8)) (.cse18 (<= ~a12~0 72)) (.cse1 (not .cse9)) (.cse19 (<= 19 ~a12~0)) (.cse15 (<= ~a12~0 80)) (.cse17 (not .cse8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 (not (= ~a15~0 5)) .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse8 .cse2) (and .cse9 .cse4 .cse10) (and .cse0 .cse1 .cse11 .cse5 .cse6) (and .cse0 .cse12 .cse1 .cse10 .cse13) (and .cse4 .cse14 .cse5) (and .cse15 .cse0 (or (< 11 ~a12~0) .cse16) .cse1 .cse11 .cse5 .cse17) (and .cse0 .cse7 .cse1 .cse5 .cse6) (and .cse0 .cse18 .cse1 .cse11 .cse5 .cse19) (and .cse16 .cse14) (and .cse0 .cse12 (<= (+ ~a12~0 526767) 0) .cse1) (and .cse20 .cse4 .cse12) (and .cse0 .cse14 .cse1 .cse10 .cse13) (and .cse4 .cse18 .cse5 .cse17 .cse19) (and .cse20 .cse4 .cse2 .cse3) (and (<= ~a12~0 73282) .cse4 .cse12 .cse5) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse0 .cse1 .cse6) (and .cse0 .cse14 .cse1 .cse2) (and .cse0 .cse12 .cse1 .cse2) (and .cse0 .cse12 .cse18 .cse1 .cse19) (= ~a15~0 6) (and .cse15 .cse9 .cse4 .cse17))))) [2018-10-24 16:32:18,606 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-24 16:32:18,606 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-24 16:32:18,606 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-24 16:32:18,606 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-24 16:32:18,606 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-24 16:32:18,607 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 16:32:18,608 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse21 (+ ~a12~0 43))) (let ((.cse8 (= ~a21~0 7)) (.cse9 (= ~a15~0 8)) (.cse4 (= ~a24~0 1)) (.cse7 (<= .cse21 0))) (let ((.cse11 (<= ~a24~0 1)) (.cse16 (and .cse4 .cse7)) (.cse10 (<= ~a12~0 11)) (.cse13 (< 0 .cse21)) (.cse20 (= ~a15~0 7)) (.cse3 (= ~a21~0 9)) (.cse5 (<= ~a15~0 8)) (.cse6 (<= ~a21~0 6)) (.cse14 (= ~a21~0 10)) (.cse2 (< 80 ~a12~0)) (.cse0 (not (= 7 ~a15~0))) (.cse12 (= ~a21~0 8)) (.cse18 (<= ~a12~0 72)) (.cse1 (not .cse9)) (.cse19 (<= 19 ~a12~0)) (.cse15 (<= ~a12~0 80)) (.cse17 (not .cse8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 (not (= ~a15~0 5)) .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse8 .cse2) (and .cse9 .cse4 .cse10) (and .cse0 .cse1 .cse11 .cse5 .cse6) (and .cse0 .cse12 .cse1 .cse10 .cse13) (and .cse4 .cse14 .cse5) (and .cse15 .cse0 (or (< 11 ~a12~0) .cse16) .cse1 .cse11 .cse5 .cse17) (and .cse0 .cse7 .cse1 .cse5 .cse6) (and .cse0 .cse18 .cse1 .cse11 .cse5 .cse19) (and .cse16 .cse14) (and .cse0 .cse12 (<= (+ ~a12~0 526767) 0) .cse1) (and .cse20 .cse4 .cse12) (and .cse0 .cse14 .cse1 .cse10 .cse13) (and .cse4 .cse18 .cse5 .cse17 .cse19) (and .cse20 .cse4 .cse2 .cse3) (and (<= ~a12~0 73282) .cse4 .cse12 .cse5) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse0 .cse1 .cse6) (and .cse0 .cse14 .cse1 .cse2) (and .cse0 .cse12 .cse1 .cse2) (and .cse0 .cse12 .cse18 .cse1 .cse19) (= ~a15~0 6) (and .cse15 .cse9 .cse4 .cse17))))) [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-24 16:32:18,609 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-24 16:32:18,610 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-24 16:32:18,611 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,612 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-24 16:32:18,613 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-24 16:32:18,613 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-24 16:32:18,613 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-24 16:32:18,613 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-24 16:32:18,613 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-24 16:32:18,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:32:18 BoogieIcfgContainer [2018-10-24 16:32:18,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:32:18,648 INFO L168 Benchmark]: Toolchain (without parser) took 82684.76 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 16:32:18,649 INFO L168 Benchmark]: CDTParser took 0.27 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 16:32:18,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.99 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. [2018-10-24 16:32:18,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 234.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -844.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:18,651 INFO L168 Benchmark]: Boogie Preprocessor took 140.16 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:18,652 INFO L168 Benchmark]: RCFGBuilder took 3600.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:32:18,653 INFO L168 Benchmark]: TraceAbstraction took 77907.89 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -854.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-24 16:32:18,658 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 795.99 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 234.92 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -844.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.16 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3600.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77907.89 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -854.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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) && !(a15 == 8)) && 80 < a12) && a21 == 9) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || ((((a12 + 43 <= 0 && !(a15 == 5)) && a24 == 1) && a21 == 7) && a15 <= 8)) || (((!(7 == a15) && !(a15 == 8)) && a21 == 7) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 <= 11)) || ((((!(7 == a15) && !(a15 == 8)) && a24 <= 1) && a15 <= 8) && a21 <= 6)) || ((((!(7 == a15) && a21 == 8) && !(a15 == 8)) && a12 <= 11) && 0 < a12 + 43)) || ((a24 == 1 && a21 == 10) && a15 <= 8)) || ((((((a12 <= 80 && !(7 == a15)) && (11 < a12 || (a24 == 1 && a12 + 43 <= 0))) && !(a15 == 8)) && a24 <= 1) && a15 <= 8) && !(a21 == 7))) || ((((!(7 == a15) && a12 + 43 <= 0) && !(a15 == 8)) && a15 <= 8) && a21 <= 6)) || (((((!(7 == a15) && a12 <= 72) && !(a15 == 8)) && a24 <= 1) && a15 <= 8) && 19 <= a12)) || ((a24 == 1 && a12 + 43 <= 0) && a21 == 10)) || (((!(7 == a15) && a21 == 8) && a12 + 526767 <= 0) && !(a15 == 8))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((!(7 == a15) && a21 == 10) && !(a15 == 8)) && a12 <= 11) && 0 < a12 + 43)) || ((((a24 == 1 && a12 <= 72) && a15 <= 8) && !(a21 == 7)) && 19 <= a12)) || (((a15 == 7 && a24 == 1) && 80 < a12) && a21 == 9)) || (((a12 <= 73282 && a24 == 1) && a21 == 8) && a15 <= 8)) || ((((a12 <= 95434 && 95381 <= a12) && !(7 == a15)) && !(a15 == 8)) && a21 <= 6)) || (((!(7 == a15) && a21 == 10) && !(a15 == 8)) && 80 < a12)) || (((!(7 == a15) && a21 == 8) && !(a15 == 8)) && 80 < a12)) || ((((!(7 == a15) && a21 == 8) && a12 <= 72) && !(a15 == 8)) && 19 <= a12)) || a15 == 6) || (((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((!(7 == a15) && !(a15 == 8)) && 80 < a12) && a21 == 9) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || ((((a12 + 43 <= 0 && !(a15 == 5)) && a24 == 1) && a21 == 7) && a15 <= 8)) || (((!(7 == a15) && !(a15 == 8)) && a21 == 7) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 <= 11)) || ((((!(7 == a15) && !(a15 == 8)) && a24 <= 1) && a15 <= 8) && a21 <= 6)) || ((((!(7 == a15) && a21 == 8) && !(a15 == 8)) && a12 <= 11) && 0 < a12 + 43)) || ((a24 == 1 && a21 == 10) && a15 <= 8)) || ((((((a12 <= 80 && !(7 == a15)) && (11 < a12 || (a24 == 1 && a12 + 43 <= 0))) && !(a15 == 8)) && a24 <= 1) && a15 <= 8) && !(a21 == 7))) || ((((!(7 == a15) && a12 + 43 <= 0) && !(a15 == 8)) && a15 <= 8) && a21 <= 6)) || (((((!(7 == a15) && a12 <= 72) && !(a15 == 8)) && a24 <= 1) && a15 <= 8) && 19 <= a12)) || ((a24 == 1 && a12 + 43 <= 0) && a21 == 10)) || (((!(7 == a15) && a21 == 8) && a12 + 526767 <= 0) && !(a15 == 8))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((!(7 == a15) && a21 == 10) && !(a15 == 8)) && a12 <= 11) && 0 < a12 + 43)) || ((((a24 == 1 && a12 <= 72) && a15 <= 8) && !(a21 == 7)) && 19 <= a12)) || (((a15 == 7 && a24 == 1) && 80 < a12) && a21 == 9)) || (((a12 <= 73282 && a24 == 1) && a21 == 8) && a15 <= 8)) || ((((a12 <= 95434 && 95381 <= a12) && !(7 == a15)) && !(a15 == 8)) && a21 <= 6)) || (((!(7 == a15) && a21 == 10) && !(a15 == 8)) && 80 < a12)) || (((!(7 == a15) && a21 == 8) && !(a15 == 8)) && 80 < a12)) || ((((!(7 == a15) && a21 == 8) && a12 <= 72) && !(a15 == 8)) && 19 <= a12)) || a15 == 6) || (((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) - 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, 77.8s OverallTime, 16 OverallIterations, 15 TraceHistogramMax, 46.6s AutomataDifference, 0.0s DeadEndRemovalTime, 6.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2424 SDtfs, 8853 SDslu, 1793 SDs, 0 SdLazy, 27461 SolverSat, 2852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3749 GetRequests, 3665 SyntacticMatches, 7 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12575occurred in iteration=15, 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: 1.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 2706 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 146 NumberOfFragments, 761 HoareAnnotationTreeSize, 3 FomulaSimplifications, 27731 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3034 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 14805 NumberOfCodeBlocks, 14805 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 14784 ConstructedInterpolants, 0 QuantifiedInterpolants, 39192256 SizeOfPredicates, 6 NumberOfNonLiveVariables, 4514 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 48553/50112 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...