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/Problem17_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:44:02,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:44:02,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:44:02,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:44:02,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:44:02,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:44:02,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:44:02,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:44:02,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:44:02,041 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:44:02,042 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:44:02,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:44:02,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:44:02,045 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:44:02,046 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:44:02,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:44:02,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:44:02,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:44:02,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:44:02,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:44:02,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:44:02,056 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:44:02,059 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:44:02,059 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:44:02,060 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:44:02,061 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:44:02,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:44:02,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:44:02,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:44:02,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:44:02,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:44:02,066 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 16:44:02,069 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 16:44:02,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:44:02,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:44:02,087 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:44:02,087 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:44:02,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:44:02,088 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:44:02,088 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:44:02,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:44:02,089 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:44:02,089 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:44:02,089 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:44:02,089 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:44:02,089 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:44:02,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:44:02,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:44:02,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:44:02,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:44:02,090 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:44:02,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:44:02,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:44:02,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:44:02,091 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:44:02,092 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:44:02,092 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:44:02,092 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:44:02,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:44:02,092 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:44:02,093 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:44:02,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:44:02,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:44:02,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:44:02,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:44:02,181 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:44:02,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label00_true-unreach-call.c [2018-10-24 16:44:02,252 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e0ed24435/6c26a1262058434bb9d15c2ce1d9b7ff/FLAGe91560e5f [2018-10-24 16:44:03,038 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:44:03,039 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label00_true-unreach-call.c [2018-10-24 16:44:03,064 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e0ed24435/6c26a1262058434bb9d15c2ce1d9b7ff/FLAGe91560e5f [2018-10-24 16:44:03,083 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e0ed24435/6c26a1262058434bb9d15c2ce1d9b7ff [2018-10-24 16:44:03,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:44:03,098 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:44:03,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:44:03,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:44:03,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:44:03,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:44:03" (1/1) ... [2018-10-24 16:44:03,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8de4687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:03, skipping insertion in model container [2018-10-24 16:44:03,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:44:03" (1/1) ... [2018-10-24 16:44:03,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:44:03,249 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:44:04,225 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:44:04,230 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:44:04,620 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:44:04,642 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:44:04,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04 WrapperNode [2018-10-24 16:44:04,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:44:04,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:44:04,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:44:04,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:44:04,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:04,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:44:05,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:44:05,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:44:05,229 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:44:05,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... [2018-10-24 16:44:05,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:44:05,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:44:05,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:44:05,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:44:05,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:44:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:44:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:44:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:44:15,524 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:44:15,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:44:15 BoogieIcfgContainer [2018-10-24 16:44:15,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:44:15,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:44:15,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:44:15,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:44:15,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:44:03" (1/3) ... [2018-10-24 16:44:15,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23a5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:44:15, skipping insertion in model container [2018-10-24 16:44:15,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:44:04" (2/3) ... [2018-10-24 16:44:15,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23a5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:44:15, skipping insertion in model container [2018-10-24 16:44:15,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:44:15" (3/3) ... [2018-10-24 16:44:15,534 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label00_true-unreach-call.c [2018-10-24 16:44:15,544 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:44:15,555 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:44:15,573 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:44:15,613 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:44:15,614 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:44:15,614 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:44:15,614 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:44:15,615 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:44:15,615 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:44:15,615 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:44:15,615 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:44:15,615 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:44:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-10-24 16:44:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-24 16:44:15,658 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:44:15,659 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:44:15,661 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:44:15,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:44:15,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1306950314, now seen corresponding path program 1 times [2018-10-24 16:44:15,670 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:44:15,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:44:15,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:15,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:44:15,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:44:16,166 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 16:44:16,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:44:16,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:44:16,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:44:16,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:44:16,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:44:16,194 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-10-24 16:44:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:44:26,288 INFO L93 Difference]: Finished difference Result 2099 states and 3904 transitions. [2018-10-24 16:44:26,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:44:26,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2018-10-24 16:44:26,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:44:26,327 INFO L225 Difference]: With dead ends: 2099 [2018-10-24 16:44:26,327 INFO L226 Difference]: Without dead ends: 1501 [2018-10-24 16:44:26,335 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 16:44:26,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2018-10-24 16:44:26,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1499. [2018-10-24 16:44:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2018-10-24 16:44:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2373 transitions. [2018-10-24 16:44:26,477 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2373 transitions. Word has length 55 [2018-10-24 16:44:26,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:44:26,480 INFO L481 AbstractCegarLoop]: Abstraction has 1499 states and 2373 transitions. [2018-10-24 16:44:26,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:44:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2373 transitions. [2018-10-24 16:44:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 16:44:26,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:44:26,489 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:44:26,490 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:44:26,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:44:26,490 INFO L82 PathProgramCache]: Analyzing trace with hash -755960674, now seen corresponding path program 1 times [2018-10-24 16:44:26,490 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:44:26,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:44:26,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:26,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:44:26,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:44:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:44:26,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:44:26,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:44:26,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:44:26,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:44:26,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:44:26,928 INFO L87 Difference]: Start difference. First operand 1499 states and 2373 transitions. Second operand 4 states. [2018-10-24 16:44:39,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:44:39,002 INFO L93 Difference]: Finished difference Result 5631 states and 9061 transitions. [2018-10-24 16:44:39,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:44:39,002 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-10-24 16:44:39,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:44:39,027 INFO L225 Difference]: With dead ends: 5631 [2018-10-24 16:44:39,027 INFO L226 Difference]: Without dead ends: 4134 [2018-10-24 16:44:39,031 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:44:39,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4134 states. [2018-10-24 16:44:39,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4134 to 4101. [2018-10-24 16:44:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4101 states. [2018-10-24 16:44:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 4101 states and 5983 transitions. [2018-10-24 16:44:39,115 INFO L78 Accepts]: Start accepts. Automaton has 4101 states and 5983 transitions. Word has length 126 [2018-10-24 16:44:39,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:44:39,116 INFO L481 AbstractCegarLoop]: Abstraction has 4101 states and 5983 transitions. [2018-10-24 16:44:39,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:44:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 4101 states and 5983 transitions. [2018-10-24 16:44:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-24 16:44:39,122 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:44:39,122 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 16:44:39,123 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:44:39,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:44:39,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1532322790, now seen corresponding path program 1 times [2018-10-24 16:44:39,123 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:44:39,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:44:39,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:39,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:44:39,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:44:39,340 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:44:39,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:44:39,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 16:44:39,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:44:39,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:44:39,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:44:39,342 INFO L87 Difference]: Start difference. First operand 4101 states and 5983 transitions. Second operand 3 states. [2018-10-24 16:44:43,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:44:43,144 INFO L93 Difference]: Finished difference Result 12038 states and 17622 transitions. [2018-10-24 16:44:43,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:44:43,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2018-10-24 16:44:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:44:43,179 INFO L225 Difference]: With dead ends: 12038 [2018-10-24 16:44:43,179 INFO L226 Difference]: Without dead ends: 6632 [2018-10-24 16:44:43,187 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 16:44:43,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6632 states. [2018-10-24 16:44:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6632 to 6632. [2018-10-24 16:44:43,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6632 states. [2018-10-24 16:44:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6632 states to 6632 states and 8195 transitions. [2018-10-24 16:44:43,314 INFO L78 Accepts]: Start accepts. Automaton has 6632 states and 8195 transitions. Word has length 167 [2018-10-24 16:44:43,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:44:43,314 INFO L481 AbstractCegarLoop]: Abstraction has 6632 states and 8195 transitions. [2018-10-24 16:44:43,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:44:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 6632 states and 8195 transitions. [2018-10-24 16:44:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-24 16:44:43,319 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:44:43,319 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:44:43,319 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:44:43,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:44:43,320 INFO L82 PathProgramCache]: Analyzing trace with hash -534810368, now seen corresponding path program 1 times [2018-10-24 16:44:43,320 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:44:43,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:44:43,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:43,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:44:43,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:44:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:44:43,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:44:43,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:44:43,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:44:43,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:44:43,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:44:43,759 INFO L87 Difference]: Start difference. First operand 6632 states and 8195 transitions. Second operand 4 states. [2018-10-24 16:44:50,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:44:50,857 INFO L93 Difference]: Finished difference Result 17528 states and 22443 transitions. [2018-10-24 16:44:50,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:44:50,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-10-24 16:44:50,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:44:50,905 INFO L225 Difference]: With dead ends: 17528 [2018-10-24 16:44:50,905 INFO L226 Difference]: Without dead ends: 10898 [2018-10-24 16:44:50,915 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:44:50,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10898 states. [2018-10-24 16:44:51,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10898 to 10472. [2018-10-24 16:44:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10472 states. [2018-10-24 16:44:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10472 states to 10472 states and 12821 transitions. [2018-10-24 16:44:51,107 INFO L78 Accepts]: Start accepts. Automaton has 10472 states and 12821 transitions. Word has length 218 [2018-10-24 16:44:51,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:44:51,108 INFO L481 AbstractCegarLoop]: Abstraction has 10472 states and 12821 transitions. [2018-10-24 16:44:51,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:44:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 10472 states and 12821 transitions. [2018-10-24 16:44:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-10-24 16:44:51,113 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:44:51,113 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:44:51,113 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:44:51,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:44:51,114 INFO L82 PathProgramCache]: Analyzing trace with hash -2126901769, now seen corresponding path program 1 times [2018-10-24 16:44:51,114 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:44:51,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:44:51,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:51,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:44:51,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:44:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-24 16:44:51,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:44:51,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:44:51,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:44:51,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:44:51,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:44:51,346 INFO L87 Difference]: Start difference. First operand 10472 states and 12821 transitions. Second operand 3 states. [2018-10-24 16:44:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:44:59,211 INFO L93 Difference]: Finished difference Result 28617 states and 34930 transitions. [2018-10-24 16:44:59,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:44:59,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2018-10-24 16:44:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:44:59,258 INFO L225 Difference]: With dead ends: 28617 [2018-10-24 16:44:59,259 INFO L226 Difference]: Without dead ends: 18147 [2018-10-24 16:44:59,273 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 16:44:59,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18147 states. [2018-10-24 16:44:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18147 to 18141. [2018-10-24 16:44:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18141 states. [2018-10-24 16:44:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18141 states to 18141 states and 21689 transitions. [2018-10-24 16:44:59,537 INFO L78 Accepts]: Start accepts. Automaton has 18141 states and 21689 transitions. Word has length 256 [2018-10-24 16:44:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:44:59,538 INFO L481 AbstractCegarLoop]: Abstraction has 18141 states and 21689 transitions. [2018-10-24 16:44:59,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:44:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 18141 states and 21689 transitions. [2018-10-24 16:44:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-24 16:44:59,546 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:44:59,546 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:44:59,546 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:44:59,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:44:59,547 INFO L82 PathProgramCache]: Analyzing trace with hash 783097630, now seen corresponding path program 1 times [2018-10-24 16:44:59,547 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:44:59,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:44:59,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:59,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:44:59,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:44:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:45:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 246 proven. 71 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-24 16:45:00,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:45:00,069 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 16:45:00,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:45:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:45:00,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:45:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 246 proven. 71 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-24 16:45:00,559 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:45:00,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2018-10-24 16:45:00,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:45:00,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:45:00,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:45:00,561 INFO L87 Difference]: Start difference. First operand 18141 states and 21689 transitions. Second operand 5 states. [2018-10-24 16:45:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:45:11,251 INFO L93 Difference]: Finished difference Result 51641 states and 62505 transitions. [2018-10-24 16:45:11,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:45:11,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2018-10-24 16:45:11,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:45:11,322 INFO L225 Difference]: With dead ends: 51641 [2018-10-24 16:45:11,322 INFO L226 Difference]: Without dead ends: 30449 [2018-10-24 16:45:11,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:45:11,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30449 states. [2018-10-24 16:45:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30449 to 27020. [2018-10-24 16:45:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27020 states. [2018-10-24 16:45:11,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27020 states to 27020 states and 31007 transitions. [2018-10-24 16:45:11,858 INFO L78 Accepts]: Start accepts. Automaton has 27020 states and 31007 transitions. Word has length 282 [2018-10-24 16:45:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:45:11,859 INFO L481 AbstractCegarLoop]: Abstraction has 27020 states and 31007 transitions. [2018-10-24 16:45:11,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:45:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 27020 states and 31007 transitions. [2018-10-24 16:45:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-24 16:45:11,866 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:45:11,866 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-10-24 16:45:11,867 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:45:11,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:45:11,867 INFO L82 PathProgramCache]: Analyzing trace with hash -571301849, now seen corresponding path program 1 times [2018-10-24 16:45:11,867 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:45:11,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:45:11,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:45:11,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:45:11,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:45:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:45:12,654 WARN L179 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-10-24 16:45:12,872 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-10-24 16:45:13,040 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 250 proven. 83 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-24 16:45:13,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:45:13,041 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 16:45:13,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:45:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:45:13,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:45:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 250 proven. 83 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-24 16:45:13,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:45:13,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2018-10-24 16:45:13,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-24 16:45:13,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-24 16:45:13,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:45:13,377 INFO L87 Difference]: Start difference. First operand 27020 states and 31007 transitions. Second operand 9 states. [2018-10-24 16:45:23,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:45:23,681 INFO L93 Difference]: Finished difference Result 56176 states and 64282 transitions. [2018-10-24 16:45:23,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:45:23,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 318 [2018-10-24 16:45:23,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:45:23,745 INFO L225 Difference]: With dead ends: 56176 [2018-10-24 16:45:23,745 INFO L226 Difference]: Without dead ends: 29586 [2018-10-24 16:45:23,777 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:45:23,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29586 states. [2018-10-24 16:45:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29586 to 28724. [2018-10-24 16:45:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28724 states. [2018-10-24 16:45:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28724 states to 28724 states and 32800 transitions. [2018-10-24 16:45:24,134 INFO L78 Accepts]: Start accepts. Automaton has 28724 states and 32800 transitions. Word has length 318 [2018-10-24 16:45:24,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:45:24,134 INFO L481 AbstractCegarLoop]: Abstraction has 28724 states and 32800 transitions. [2018-10-24 16:45:24,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-24 16:45:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 28724 states and 32800 transitions. [2018-10-24 16:45:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-24 16:45:24,141 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:45:24,141 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 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 16:45:24,142 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:45:24,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:45:24,142 INFO L82 PathProgramCache]: Analyzing trace with hash -173028014, now seen corresponding path program 1 times [2018-10-24 16:45:24,142 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:45:24,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:45:24,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:45:24,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:45:24,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:45:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:45:25,034 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2018-10-24 16:45:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 158 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:45:25,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:45:25,232 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 16:45:25,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:45:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:45:25,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:45:32,601 WARN L179 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 1583 DAG size of output: 38 [2018-10-24 16:45:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 53 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:45:33,528 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:45:33,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-10-24 16:45:33,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 16:45:33,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 16:45:33,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-10-24 16:45:33,531 INFO L87 Difference]: Start difference. First operand 28724 states and 32800 transitions. Second operand 10 states. [2018-10-24 16:46:35,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:46:35,419 INFO L93 Difference]: Finished difference Result 103641 states and 118465 transitions. [2018-10-24 16:46:35,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 16:46:35,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 322 [2018-10-24 16:46:35,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:46:35,569 INFO L225 Difference]: With dead ends: 103641 [2018-10-24 16:46:35,569 INFO L226 Difference]: Without dead ends: 72358 [2018-10-24 16:46:35,597 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:46:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72358 states. [2018-10-24 16:46:36,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72358 to 57727. [2018-10-24 16:46:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57727 states. [2018-10-24 16:46:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57727 states to 57727 states and 64596 transitions. [2018-10-24 16:46:36,353 INFO L78 Accepts]: Start accepts. Automaton has 57727 states and 64596 transitions. Word has length 322 [2018-10-24 16:46:36,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:46:36,353 INFO L481 AbstractCegarLoop]: Abstraction has 57727 states and 64596 transitions. [2018-10-24 16:46:36,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 16:46:36,353 INFO L276 IsEmpty]: Start isEmpty. Operand 57727 states and 64596 transitions. [2018-10-24 16:46:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-10-24 16:46:36,365 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:46:36,366 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:46:36,366 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:46:36,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:46:36,366 INFO L82 PathProgramCache]: Analyzing trace with hash 684799426, now seen corresponding path program 1 times [2018-10-24 16:46:36,367 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:46:36,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:46:36,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:46:36,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:46:36,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:46:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:46:36,845 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-24 16:46:37,316 WARN L179 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-10-24 16:46:37,701 WARN L179 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2018-10-24 16:46:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 250 proven. 83 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-24 16:46:38,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:46:38,319 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 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 16:46:38,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:46:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:46:38,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:46:40,446 WARN L179 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 54 DAG size of output: 21 [2018-10-24 16:46:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 333 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:46:40,779 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:46:40,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 14 [2018-10-24 16:46:40,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-24 16:46:40,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-24 16:46:40,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-24 16:46:40,780 INFO L87 Difference]: Start difference. First operand 57727 states and 64596 transitions. Second operand 15 states. [2018-10-24 16:47:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:47:23,612 INFO L93 Difference]: Finished difference Result 141629 states and 157297 transitions. [2018-10-24 16:47:23,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-24 16:47:23,613 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 370 [2018-10-24 16:47:23,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:47:23,771 INFO L225 Difference]: With dead ends: 141629 [2018-10-24 16:47:23,772 INFO L226 Difference]: Without dead ends: 83472 [2018-10-24 16:47:23,810 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2018-10-24 16:47:23,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83472 states. [2018-10-24 16:47:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83472 to 74796. [2018-10-24 16:47:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74796 states. [2018-10-24 16:47:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74796 states to 74796 states and 81912 transitions. [2018-10-24 16:47:24,703 INFO L78 Accepts]: Start accepts. Automaton has 74796 states and 81912 transitions. Word has length 370 [2018-10-24 16:47:24,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:47:24,704 INFO L481 AbstractCegarLoop]: Abstraction has 74796 states and 81912 transitions. [2018-10-24 16:47:24,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-24 16:47:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 74796 states and 81912 transitions. [2018-10-24 16:47:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-10-24 16:47:24,713 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:47:24,714 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:47:24,714 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:47:24,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:47:24,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1432881550, now seen corresponding path program 1 times [2018-10-24 16:47:24,715 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:47:24,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:47:24,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:47:24,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:47:24,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:47:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:47:25,100 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 5 [2018-10-24 16:47:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-24 16:47:25,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:47:25,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:47:25,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:47:25,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:47:25,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:47:25,663 INFO L87 Difference]: Start difference. First operand 74796 states and 81912 transitions. Second operand 4 states. [2018-10-24 16:47:31,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:47:31,587 INFO L93 Difference]: Finished difference Result 162367 states and 178319 transitions. [2018-10-24 16:47:31,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:47:31,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 419 [2018-10-24 16:47:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:47:31,676 INFO L225 Difference]: With dead ends: 162367 [2018-10-24 16:47:31,676 INFO L226 Difference]: Without dead ends: 84573 [2018-10-24 16:47:31,720 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 16:47:31,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84573 states. [2018-10-24 16:47:32,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84573 to 76471. [2018-10-24 16:47:32,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76471 states. [2018-10-24 16:47:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76471 states to 76471 states and 81962 transitions. [2018-10-24 16:47:32,477 INFO L78 Accepts]: Start accepts. Automaton has 76471 states and 81962 transitions. Word has length 419 [2018-10-24 16:47:32,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:47:32,478 INFO L481 AbstractCegarLoop]: Abstraction has 76471 states and 81962 transitions. [2018-10-24 16:47:32,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:47:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 76471 states and 81962 transitions. [2018-10-24 16:47:32,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-10-24 16:47:32,485 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:47:32,485 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:47:32,485 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:47:32,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:47:32,486 INFO L82 PathProgramCache]: Analyzing trace with hash -2028586934, now seen corresponding path program 1 times [2018-10-24 16:47:32,486 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:47:32,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:47:32,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:47:32,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:47:32,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:47:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:47:33,182 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-24 16:47:33,550 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2018-10-24 16:47:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 0 proven. 677 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:47:34,984 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:47:34,984 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 16:47:34,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:47:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:47:35,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:47:36,666 WARN L179 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-10-24 16:47:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-24 16:47:37,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:47:37,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 15 [2018-10-24 16:47:37,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-24 16:47:37,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-24 16:47:37,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-24 16:47:37,060 INFO L87 Difference]: Start difference. First operand 76471 states and 81962 transitions. Second operand 15 states. Received shutdown request... [2018-10-24 16:48:03,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-24 16:48:03,880 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 16:48:03,885 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 16:48:03,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:48:03 BoogieIcfgContainer [2018-10-24 16:48:03,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:48:03,887 INFO L168 Benchmark]: Toolchain (without parser) took 240790.22 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 916.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:48:03,888 INFO L168 Benchmark]: CDTParser took 0.23 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 16:48:03,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1543.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:48:03,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 584.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -891.7 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. [2018-10-24 16:48:03,890 INFO L168 Benchmark]: Boogie Preprocessor took 343.22 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: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2018-10-24 16:48:03,891 INFO L168 Benchmark]: RCFGBuilder took 9953.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 482.7 MB). Peak memory consumption was 482.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:48:03,892 INFO L168 Benchmark]: TraceAbstraction took 228359.45 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: -1.2 GB). Peak memory consumption was 387.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:48:03,897 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1543.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 584.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -891.7 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 343.22 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: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9953.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 482.7 MB). Peak memory consumption was 482.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228359.45 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.8 GB in the end (delta: -1.2 GB). Peak memory consumption was 387.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 170]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 170). Cancelled while BasicCegarLoop was constructing difference of abstraction (76471states) and FLOYD_HOARE automaton (currently 26 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (13986 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 228.2s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 200.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4225 SDtfs, 25860 SDslu, 3200 SDs, 0 SdLazy, 62859 SolverSat, 5963 SolverUnsat, 30 SolverUnknown, 0 SolverNotchecked, 181.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1866 GetRequests, 1766 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76471occurred in iteration=10, 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: 4.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 36167 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 4757 NumberOfCodeBlocks, 4757 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4741 ConstructedInterpolants, 436 QuantifiedInterpolants, 14428336 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2350 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 3345/5347 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown