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/loop-lit/gj2007_true-unreach-call.c.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b6335f6 [2018-10-23 09:40:14,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 09:40:14,541 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 09:40:14,554 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 09:40:14,555 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 09:40:14,556 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 09:40:14,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 09:40:14,559 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 09:40:14,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 09:40:14,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 09:40:14,563 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 09:40:14,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 09:40:14,564 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 09:40:14,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 09:40:14,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 09:40:14,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 09:40:14,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 09:40:14,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 09:40:14,572 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 09:40:14,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 09:40:14,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 09:40:14,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 09:40:14,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 09:40:14,587 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 09:40:14,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 09:40:14,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 09:40:14,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 09:40:14,616 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 09:40:14,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 09:40:14,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 09:40:14,620 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 09:40:14,620 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 09:40:14,620 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 09:40:14,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 09:40:14,621 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 09:40:14,621 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 09:40:14,621 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 09:40:14,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 09:40:14,622 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 09:40:14,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 09:40:14,622 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 09:40:14,622 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 09:40:14,622 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 09:40:14,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 09:40:14,623 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 09:40:14,623 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 09:40:14,623 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 09:40:14,623 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 09:40:14,623 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 09:40:14,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 09:40:14,627 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 09:40:14,627 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 09:40:14,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 09:40:14,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 09:40:14,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 09:40:14,724 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 09:40:14,725 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 09:40:14,726 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-lit/gj2007_true-unreach-call.c.i.p+nlh-reducer.c [2018-10-23 09:40:14,800 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1b72bb007/589d4a19ba4347ec9a5ea008ebb23943/FLAG403ebada5 [2018-10-23 09:40:15,308 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 09:40:15,309 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007_true-unreach-call.c.i.p+nlh-reducer.c [2018-10-23 09:40:15,326 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1b72bb007/589d4a19ba4347ec9a5ea008ebb23943/FLAG403ebada5 [2018-10-23 09:40:15,348 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1b72bb007/589d4a19ba4347ec9a5ea008ebb23943 [2018-10-23 09:40:15,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 09:40:15,362 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 09:40:15,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 09:40:15,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 09:40:15,370 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 09:40:15,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:15,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3458fe10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15, skipping insertion in model container [2018-10-23 09:40:15,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:15,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 09:40:15,438 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 09:40:15,819 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 09:40:15,832 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 09:40:15,924 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 09:40:15,940 INFO L193 MainTranslator]: Completed translation [2018-10-23 09:40:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15 WrapperNode [2018-10-23 09:40:15,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 09:40:15,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 09:40:15,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 09:40:15,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 09:40:15,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:15,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 09:40:16,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 09:40:16,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 09:40:16,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 09:40:16,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... [2018-10-23 09:40:16,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 09:40:16,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 09:40:16,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 09:40:16,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 09:40:16,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 09:40:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 09:40:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 09:40:17,911 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 09:40:17,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:40:17 BoogieIcfgContainer [2018-10-23 09:40:17,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 09:40:17,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 09:40:17,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 09:40:17,916 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 09:40:17,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:40:15" (1/3) ... [2018-10-23 09:40:17,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f41c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:40:17, skipping insertion in model container [2018-10-23 09:40:17,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:40:15" (2/3) ... [2018-10-23 09:40:17,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f41c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:40:17, skipping insertion in model container [2018-10-23 09:40:17,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:40:17" (3/3) ... [2018-10-23 09:40:17,920 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007_true-unreach-call.c.i.p+nlh-reducer.c [2018-10-23 09:40:17,929 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 09:40:17,936 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 09:40:17,952 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 09:40:17,987 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 09:40:17,988 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 09:40:17,989 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 09:40:17,989 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 09:40:17,989 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 09:40:17,990 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 09:40:17,990 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 09:40:17,990 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 09:40:17,990 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 09:40:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-10-23 09:40:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:18,023 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:18,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:18,027 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:18,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:18,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1067704148, now seen corresponding path program 1 times [2018-10-23 09:40:18,037 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:18,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:18,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:18,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:18,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:18,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:18,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 09:40:18,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 09:40:18,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 09:40:18,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 09:40:18,286 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2018-10-23 09:40:19,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:19,415 INFO L93 Difference]: Finished difference Result 284 states and 554 transitions. [2018-10-23 09:40:19,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 09:40:19,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-10-23 09:40:19,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:19,432 INFO L225 Difference]: With dead ends: 284 [2018-10-23 09:40:19,432 INFO L226 Difference]: Without dead ends: 141 [2018-10-23 09:40:19,436 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 [2018-10-23 09:40:19,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-23 09:40:19,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-10-23 09:40:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-10-23 09:40:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 208 transitions. [2018-10-23 09:40:19,494 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 208 transitions. Word has length 139 [2018-10-23 09:40:19,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:19,495 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 208 transitions. [2018-10-23 09:40:19,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 09:40:19,495 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 208 transitions. [2018-10-23 09:40:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:19,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:19,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:19,499 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:19,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:19,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1752580255, now seen corresponding path program 1 times [2018-10-23 09:40:19,499 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:19,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:19,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:19,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:19,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:19,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 09:40:19,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 09:40:19,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 09:40:19,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 09:40:19,641 INFO L87 Difference]: Start difference. First operand 141 states and 208 transitions. Second operand 3 states. [2018-10-23 09:40:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:20,763 INFO L93 Difference]: Finished difference Result 406 states and 605 transitions. [2018-10-23 09:40:20,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 09:40:20,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-10-23 09:40:20,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:20,768 INFO L225 Difference]: With dead ends: 406 [2018-10-23 09:40:20,768 INFO L226 Difference]: Without dead ends: 273 [2018-10-23 09:40:20,770 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 [2018-10-23 09:40:20,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-10-23 09:40:20,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-10-23 09:40:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-10-23 09:40:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 341 transitions. [2018-10-23 09:40:20,813 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 341 transitions. Word has length 139 [2018-10-23 09:40:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:20,813 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 341 transitions. [2018-10-23 09:40:20,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 09:40:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 341 transitions. [2018-10-23 09:40:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:20,817 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:20,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:20,818 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:20,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:20,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2041942551, now seen corresponding path program 1 times [2018-10-23 09:40:20,819 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:20,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:20,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:20,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:20,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:21,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:21,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 09:40:21,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 09:40:21,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 09:40:21,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:40:21,105 INFO L87 Difference]: Start difference. First operand 273 states and 341 transitions. Second operand 6 states. [2018-10-23 09:40:21,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:21,849 INFO L93 Difference]: Finished difference Result 402 states and 470 transitions. [2018-10-23 09:40:21,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-23 09:40:21,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-10-23 09:40:21,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:21,853 INFO L225 Difference]: With dead ends: 402 [2018-10-23 09:40:21,854 INFO L226 Difference]: Without dead ends: 267 [2018-10-23 09:40:21,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-23 09:40:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-10-23 09:40:21,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-10-23 09:40:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-10-23 09:40:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 332 transitions. [2018-10-23 09:40:21,876 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 332 transitions. Word has length 139 [2018-10-23 09:40:21,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:21,876 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 332 transitions. [2018-10-23 09:40:21,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 09:40:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 332 transitions. [2018-10-23 09:40:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:21,880 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:21,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:21,880 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:21,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:21,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1527946145, now seen corresponding path program 1 times [2018-10-23 09:40:21,881 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:21,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:21,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:21,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:21,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:22,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:22,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-23 09:40:22,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 09:40:22,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 09:40:22,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 09:40:22,130 INFO L87 Difference]: Start difference. First operand 267 states and 332 transitions. Second operand 7 states. [2018-10-23 09:40:23,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:23,454 INFO L93 Difference]: Finished difference Result 394 states and 459 transitions. [2018-10-23 09:40:23,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 09:40:23,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-10-23 09:40:23,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:23,457 INFO L225 Difference]: With dead ends: 394 [2018-10-23 09:40:23,457 INFO L226 Difference]: Without dead ends: 265 [2018-10-23 09:40:23,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 09:40:23,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-10-23 09:40:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-10-23 09:40:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-10-23 09:40:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 329 transitions. [2018-10-23 09:40:23,493 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 329 transitions. Word has length 139 [2018-10-23 09:40:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:23,494 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 329 transitions. [2018-10-23 09:40:23,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 09:40:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 329 transitions. [2018-10-23 09:40:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:23,496 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:23,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:23,497 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:23,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:23,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1089183555, now seen corresponding path program 1 times [2018-10-23 09:40:23,499 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:23,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:23,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:23,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:23,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:23,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:23,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-23 09:40:23,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-23 09:40:23,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-23 09:40:23,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-10-23 09:40:23,701 INFO L87 Difference]: Start difference. First operand 265 states and 329 transitions. Second operand 10 states. [2018-10-23 09:40:25,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:25,341 INFO L93 Difference]: Finished difference Result 386 states and 450 transitions. [2018-10-23 09:40:25,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 09:40:25,341 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2018-10-23 09:40:25,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:25,344 INFO L225 Difference]: With dead ends: 386 [2018-10-23 09:40:25,344 INFO L226 Difference]: Without dead ends: 259 [2018-10-23 09:40:25,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-10-23 09:40:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-10-23 09:40:25,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-10-23 09:40:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-10-23 09:40:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 320 transitions. [2018-10-23 09:40:25,354 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 320 transitions. Word has length 139 [2018-10-23 09:40:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:25,354 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 320 transitions. [2018-10-23 09:40:25,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-23 09:40:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 320 transitions. [2018-10-23 09:40:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:25,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:25,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:25,357 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:25,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:25,357 INFO L82 PathProgramCache]: Analyzing trace with hash -41763050, now seen corresponding path program 1 times [2018-10-23 09:40:25,357 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:25,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:25,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:25,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:25,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:25,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:25,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-23 09:40:25,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-23 09:40:25,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-23 09:40:25,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-23 09:40:25,709 INFO L87 Difference]: Start difference. First operand 259 states and 320 transitions. Second operand 13 states. [2018-10-23 09:40:27,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:27,456 INFO L93 Difference]: Finished difference Result 374 states and 435 transitions. [2018-10-23 09:40:27,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-23 09:40:27,459 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 139 [2018-10-23 09:40:27,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:27,461 INFO L225 Difference]: With dead ends: 374 [2018-10-23 09:40:27,461 INFO L226 Difference]: Without dead ends: 253 [2018-10-23 09:40:27,462 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-23 09:40:27,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-10-23 09:40:27,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-10-23 09:40:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-10-23 09:40:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 311 transitions. [2018-10-23 09:40:27,472 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 311 transitions. Word has length 139 [2018-10-23 09:40:27,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:27,472 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 311 transitions. [2018-10-23 09:40:27,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-23 09:40:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 311 transitions. [2018-10-23 09:40:27,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:27,474 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:27,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:27,474 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:27,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:27,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1153200357, now seen corresponding path program 1 times [2018-10-23 09:40:27,475 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:27,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:27,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:27,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:27,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:27,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:27,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-23 09:40:27,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-23 09:40:27,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-23 09:40:27,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-10-23 09:40:27,696 INFO L87 Difference]: Start difference. First operand 253 states and 311 transitions. Second operand 15 states. [2018-10-23 09:40:29,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:29,119 INFO L93 Difference]: Finished difference Result 364 states and 422 transitions. [2018-10-23 09:40:29,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-23 09:40:29,120 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 139 [2018-10-23 09:40:29,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:29,121 INFO L225 Difference]: With dead ends: 364 [2018-10-23 09:40:29,121 INFO L226 Difference]: Without dead ends: 249 [2018-10-23 09:40:29,122 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-10-23 09:40:29,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-10-23 09:40:29,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-10-23 09:40:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-10-23 09:40:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 305 transitions. [2018-10-23 09:40:29,130 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 305 transitions. Word has length 139 [2018-10-23 09:40:29,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:29,131 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 305 transitions. [2018-10-23 09:40:29,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-23 09:40:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 305 transitions. [2018-10-23 09:40:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:29,132 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:29,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:29,133 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:29,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:29,133 INFO L82 PathProgramCache]: Analyzing trace with hash -717830785, now seen corresponding path program 1 times [2018-10-23 09:40:29,134 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:29,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:29,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:29,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:29,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:29,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:29,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-10-23 09:40:29,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-23 09:40:29,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-23 09:40:29,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-10-23 09:40:29,409 INFO L87 Difference]: Start difference. First operand 249 states and 305 transitions. Second operand 19 states. [2018-10-23 09:40:30,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:30,835 INFO L93 Difference]: Finished difference Result 352 states and 408 transitions. [2018-10-23 09:40:30,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-23 09:40:30,836 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 139 [2018-10-23 09:40:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:30,838 INFO L225 Difference]: With dead ends: 352 [2018-10-23 09:40:30,838 INFO L226 Difference]: Without dead ends: 241 [2018-10-23 09:40:30,839 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-10-23 09:40:30,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-10-23 09:40:30,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-10-23 09:40:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-10-23 09:40:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 293 transitions. [2018-10-23 09:40:30,848 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 293 transitions. Word has length 139 [2018-10-23 09:40:30,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:30,849 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 293 transitions. [2018-10-23 09:40:30,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-23 09:40:30,849 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 293 transitions. [2018-10-23 09:40:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:30,851 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:30,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:30,851 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:30,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:30,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1738769551, now seen corresponding path program 1 times [2018-10-23 09:40:30,852 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:30,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:30,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:30,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:30,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:31,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:31,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-23 09:40:31,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-23 09:40:31,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-23 09:40:31,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-10-23 09:40:31,239 INFO L87 Difference]: Start difference. First operand 241 states and 293 transitions. Second operand 22 states. [2018-10-23 09:40:33,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:33,615 INFO L93 Difference]: Finished difference Result 338 states and 390 transitions. [2018-10-23 09:40:33,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-23 09:40:33,616 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 139 [2018-10-23 09:40:33,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:33,617 INFO L225 Difference]: With dead ends: 338 [2018-10-23 09:40:33,618 INFO L226 Difference]: Without dead ends: 235 [2018-10-23 09:40:33,618 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-10-23 09:40:33,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-10-23 09:40:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-10-23 09:40:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-10-23 09:40:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 284 transitions. [2018-10-23 09:40:33,626 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 284 transitions. Word has length 139 [2018-10-23 09:40:33,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:33,626 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 284 transitions. [2018-10-23 09:40:33,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-23 09:40:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 284 transitions. [2018-10-23 09:40:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:33,627 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:33,628 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:33,628 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:33,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:33,628 INFO L82 PathProgramCache]: Analyzing trace with hash -834827415, now seen corresponding path program 1 times [2018-10-23 09:40:33,629 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:33,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:33,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:33,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:33,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:33,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:33,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2018-10-23 09:40:33,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-10-23 09:40:33,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-10-23 09:40:33,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-10-23 09:40:33,950 INFO L87 Difference]: Start difference. First operand 235 states and 284 transitions. Second operand 23 states. [2018-10-23 09:40:37,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:37,645 INFO L93 Difference]: Finished difference Result 330 states and 379 transitions. [2018-10-23 09:40:37,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-23 09:40:37,646 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 139 [2018-10-23 09:40:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:37,648 INFO L225 Difference]: With dead ends: 330 [2018-10-23 09:40:37,648 INFO L226 Difference]: Without dead ends: 233 [2018-10-23 09:40:37,649 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-10-23 09:40:37,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-10-23 09:40:37,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-10-23 09:40:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-10-23 09:40:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 281 transitions. [2018-10-23 09:40:37,657 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 281 transitions. Word has length 139 [2018-10-23 09:40:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:37,657 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 281 transitions. [2018-10-23 09:40:37,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-10-23 09:40:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 281 transitions. [2018-10-23 09:40:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:37,658 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:37,659 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:37,659 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:37,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:37,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1868941195, now seen corresponding path program 1 times [2018-10-23 09:40:37,659 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:37,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:37,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:37,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:37,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:38,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:38,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2018-10-23 09:40:38,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-10-23 09:40:38,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-10-23 09:40:38,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-10-23 09:40:38,047 INFO L87 Difference]: Start difference. First operand 233 states and 281 transitions. Second operand 26 states. [2018-10-23 09:40:40,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:40,544 INFO L93 Difference]: Finished difference Result 322 states and 370 transitions. [2018-10-23 09:40:40,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-23 09:40:40,545 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 139 [2018-10-23 09:40:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:40,547 INFO L225 Difference]: With dead ends: 322 [2018-10-23 09:40:40,547 INFO L226 Difference]: Without dead ends: 227 [2018-10-23 09:40:40,548 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-10-23 09:40:40,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-10-23 09:40:40,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-10-23 09:40:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-10-23 09:40:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 272 transitions. [2018-10-23 09:40:40,555 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 272 transitions. Word has length 139 [2018-10-23 09:40:40,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:40,556 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 272 transitions. [2018-10-23 09:40:40,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-10-23 09:40:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 272 transitions. [2018-10-23 09:40:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:40,557 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:40,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:40,558 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:40,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:40,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1432066370, now seen corresponding path program 1 times [2018-10-23 09:40:40,558 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:40,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:40,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:40,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:40,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:41,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:41,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2018-10-23 09:40:41,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-23 09:40:41,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-23 09:40:41,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-10-23 09:40:41,271 INFO L87 Difference]: Start difference. First operand 227 states and 272 transitions. Second operand 29 states. [2018-10-23 09:40:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:42,483 INFO L93 Difference]: Finished difference Result 310 states and 355 transitions. [2018-10-23 09:40:42,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-10-23 09:40:42,484 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 139 [2018-10-23 09:40:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:42,486 INFO L225 Difference]: With dead ends: 310 [2018-10-23 09:40:42,486 INFO L226 Difference]: Without dead ends: 221 [2018-10-23 09:40:42,487 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-10-23 09:40:42,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-10-23 09:40:42,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-10-23 09:40:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-10-23 09:40:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 263 transitions. [2018-10-23 09:40:42,494 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 263 transitions. Word has length 139 [2018-10-23 09:40:42,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:42,495 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 263 transitions. [2018-10-23 09:40:42,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-23 09:40:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 263 transitions. [2018-10-23 09:40:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:42,496 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:42,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:42,496 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:42,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:42,497 INFO L82 PathProgramCache]: Analyzing trace with hash -269817043, now seen corresponding path program 1 times [2018-10-23 09:40:42,497 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:42,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:42,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:42,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:42,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:43,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:43,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2018-10-23 09:40:43,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-10-23 09:40:43,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-10-23 09:40:43,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-10-23 09:40:43,481 INFO L87 Difference]: Start difference. First operand 221 states and 263 transitions. Second operand 31 states. [2018-10-23 09:40:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:46,203 INFO L93 Difference]: Finished difference Result 300 states and 342 transitions. [2018-10-23 09:40:46,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-23 09:40:46,210 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 139 [2018-10-23 09:40:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:46,211 INFO L225 Difference]: With dead ends: 300 [2018-10-23 09:40:46,212 INFO L226 Difference]: Without dead ends: 217 [2018-10-23 09:40:46,212 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-10-23 09:40:46,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-10-23 09:40:46,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-10-23 09:40:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-10-23 09:40:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 257 transitions. [2018-10-23 09:40:46,220 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 257 transitions. Word has length 139 [2018-10-23 09:40:46,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:46,220 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 257 transitions. [2018-10-23 09:40:46,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-10-23 09:40:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 257 transitions. [2018-10-23 09:40:46,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:46,221 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:46,221 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:46,222 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:46,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:46,222 INFO L82 PathProgramCache]: Analyzing trace with hash -295254777, now seen corresponding path program 1 times [2018-10-23 09:40:46,222 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:46,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:46,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:46,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:46,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:47,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:47,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2018-10-23 09:40:47,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-10-23 09:40:47,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-10-23 09:40:47,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-10-23 09:40:47,505 INFO L87 Difference]: Start difference. First operand 217 states and 257 transitions. Second operand 35 states. [2018-10-23 09:40:50,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:50,022 INFO L93 Difference]: Finished difference Result 288 states and 328 transitions. [2018-10-23 09:40:50,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-10-23 09:40:50,023 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 139 [2018-10-23 09:40:50,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:50,025 INFO L225 Difference]: With dead ends: 288 [2018-10-23 09:40:50,025 INFO L226 Difference]: Without dead ends: 209 [2018-10-23 09:40:50,026 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-10-23 09:40:50,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-10-23 09:40:50,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-10-23 09:40:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-10-23 09:40:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 245 transitions. [2018-10-23 09:40:50,032 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 245 transitions. Word has length 139 [2018-10-23 09:40:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:50,032 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 245 transitions. [2018-10-23 09:40:50,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-10-23 09:40:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2018-10-23 09:40:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:50,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:50,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:50,034 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:50,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:50,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1471149049, now seen corresponding path program 1 times [2018-10-23 09:40:50,035 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:50,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:50,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:50,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:50,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:51,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:51,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2018-10-23 09:40:51,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-10-23 09:40:51,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-10-23 09:40:51,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-10-23 09:40:51,278 INFO L87 Difference]: Start difference. First operand 209 states and 245 transitions. Second operand 38 states. [2018-10-23 09:40:53,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:53,982 INFO L93 Difference]: Finished difference Result 274 states and 310 transitions. [2018-10-23 09:40:53,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-10-23 09:40:53,983 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 139 [2018-10-23 09:40:53,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:53,984 INFO L225 Difference]: With dead ends: 274 [2018-10-23 09:40:53,985 INFO L226 Difference]: Without dead ends: 203 [2018-10-23 09:40:53,986 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-10-23 09:40:53,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-10-23 09:40:53,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-10-23 09:40:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-10-23 09:40:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 236 transitions. [2018-10-23 09:40:53,992 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 236 transitions. Word has length 139 [2018-10-23 09:40:53,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:53,992 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 236 transitions. [2018-10-23 09:40:53,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-10-23 09:40:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2018-10-23 09:40:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:53,993 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:53,994 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:53,994 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:53,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:53,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2129031119, now seen corresponding path program 1 times [2018-10-23 09:40:53,994 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:53,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:53,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:53,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:53,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:55,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:55,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2018-10-23 09:40:55,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-10-23 09:40:55,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-10-23 09:40:55,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-10-23 09:40:55,008 INFO L87 Difference]: Start difference. First operand 203 states and 236 transitions. Second operand 39 states. [2018-10-23 09:40:56,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:40:56,388 INFO L93 Difference]: Finished difference Result 266 states and 299 transitions. [2018-10-23 09:40:56,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-10-23 09:40:56,389 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 139 [2018-10-23 09:40:56,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:40:56,391 INFO L225 Difference]: With dead ends: 266 [2018-10-23 09:40:56,391 INFO L226 Difference]: Without dead ends: 201 [2018-10-23 09:40:56,392 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-10-23 09:40:56,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-10-23 09:40:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-10-23 09:40:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-10-23 09:40:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 233 transitions. [2018-10-23 09:40:56,398 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 233 transitions. Word has length 139 [2018-10-23 09:40:56,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:40:56,398 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 233 transitions. [2018-10-23 09:40:56,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-10-23 09:40:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 233 transitions. [2018-10-23 09:40:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:40:56,399 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:40:56,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:40:56,400 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:40:56,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:40:56,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1672960723, now seen corresponding path program 1 times [2018-10-23 09:40:56,400 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:40:56,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:40:56,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:56,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:40:56,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:40:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:40:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:40:57,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:40:57,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2018-10-23 09:40:57,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-10-23 09:40:57,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-10-23 09:40:57,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-10-23 09:40:57,313 INFO L87 Difference]: Start difference. First operand 201 states and 233 transitions. Second operand 42 states. [2018-10-23 09:41:00,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:00,274 INFO L93 Difference]: Finished difference Result 258 states and 290 transitions. [2018-10-23 09:41:00,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-10-23 09:41:00,275 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 139 [2018-10-23 09:41:00,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:00,276 INFO L225 Difference]: With dead ends: 258 [2018-10-23 09:41:00,276 INFO L226 Difference]: Without dead ends: 195 [2018-10-23 09:41:00,277 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-10-23 09:41:00,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-10-23 09:41:00,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-10-23 09:41:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-10-23 09:41:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 224 transitions. [2018-10-23 09:41:00,282 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 224 transitions. Word has length 139 [2018-10-23 09:41:00,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:00,283 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 224 transitions. [2018-10-23 09:41:00,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-10-23 09:41:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 224 transitions. [2018-10-23 09:41:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:41:00,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:00,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:00,284 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:00,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:00,285 INFO L82 PathProgramCache]: Analyzing trace with hash -371842202, now seen corresponding path program 1 times [2018-10-23 09:41:00,285 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:00,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:00,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:00,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:00,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:01,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:41:01,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2018-10-23 09:41:01,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-10-23 09:41:01,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-10-23 09:41:01,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-10-23 09:41:01,232 INFO L87 Difference]: Start difference. First operand 195 states and 224 transitions. Second operand 45 states. [2018-10-23 09:41:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:04,156 INFO L93 Difference]: Finished difference Result 246 states and 275 transitions. [2018-10-23 09:41:04,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-10-23 09:41:04,161 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 139 [2018-10-23 09:41:04,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:04,162 INFO L225 Difference]: With dead ends: 246 [2018-10-23 09:41:04,162 INFO L226 Difference]: Without dead ends: 189 [2018-10-23 09:41:04,163 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-10-23 09:41:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-10-23 09:41:04,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-10-23 09:41:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-10-23 09:41:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 215 transitions. [2018-10-23 09:41:04,168 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 215 transitions. Word has length 139 [2018-10-23 09:41:04,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:04,168 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 215 transitions. [2018-10-23 09:41:04,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-10-23 09:41:04,169 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 215 transitions. [2018-10-23 09:41:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:41:04,169 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:04,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:04,170 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:04,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:04,170 INFO L82 PathProgramCache]: Analyzing trace with hash 941521525, now seen corresponding path program 1 times [2018-10-23 09:41:04,171 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:04,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:04,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:04,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:04,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:05,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:41:05,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2018-10-23 09:41:05,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-10-23 09:41:05,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-10-23 09:41:05,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-10-23 09:41:05,595 INFO L87 Difference]: Start difference. First operand 189 states and 215 transitions. Second operand 47 states. [2018-10-23 09:41:08,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:08,453 INFO L93 Difference]: Finished difference Result 236 states and 262 transitions. [2018-10-23 09:41:08,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-10-23 09:41:08,454 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 139 [2018-10-23 09:41:08,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:08,455 INFO L225 Difference]: With dead ends: 236 [2018-10-23 09:41:08,456 INFO L226 Difference]: Without dead ends: 185 [2018-10-23 09:41:08,457 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-10-23 09:41:08,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-10-23 09:41:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-10-23 09:41:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-10-23 09:41:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 209 transitions. [2018-10-23 09:41:08,462 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 209 transitions. Word has length 139 [2018-10-23 09:41:08,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:08,463 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 209 transitions. [2018-10-23 09:41:08,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-10-23 09:41:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 209 transitions. [2018-10-23 09:41:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:41:08,464 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:08,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:08,464 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:08,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:08,464 INFO L82 PathProgramCache]: Analyzing trace with hash 566614415, now seen corresponding path program 1 times [2018-10-23 09:41:08,465 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:08,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:08,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:08,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:08,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:09,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:41:09,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2018-10-23 09:41:09,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-10-23 09:41:09,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-10-23 09:41:09,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-10-23 09:41:09,464 INFO L87 Difference]: Start difference. First operand 185 states and 209 transitions. Second operand 51 states. [2018-10-23 09:41:12,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:12,758 INFO L93 Difference]: Finished difference Result 224 states and 248 transitions. [2018-10-23 09:41:12,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-10-23 09:41:12,758 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 139 [2018-10-23 09:41:12,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:12,760 INFO L225 Difference]: With dead ends: 224 [2018-10-23 09:41:12,760 INFO L226 Difference]: Without dead ends: 177 [2018-10-23 09:41:12,762 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-10-23 09:41:12,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-10-23 09:41:12,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-10-23 09:41:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-10-23 09:41:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 197 transitions. [2018-10-23 09:41:12,766 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 197 transitions. Word has length 139 [2018-10-23 09:41:12,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:12,767 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 197 transitions. [2018-10-23 09:41:12,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-10-23 09:41:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 197 transitions. [2018-10-23 09:41:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:41:12,768 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:12,768 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:12,768 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:12,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:12,769 INFO L82 PathProgramCache]: Analyzing trace with hash 325265535, now seen corresponding path program 1 times [2018-10-23 09:41:12,769 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:12,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:12,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:12,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:12,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:14,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:41:14,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2018-10-23 09:41:14,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-10-23 09:41:14,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-10-23 09:41:14,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-10-23 09:41:14,603 INFO L87 Difference]: Start difference. First operand 177 states and 197 transitions. Second operand 53 states. [2018-10-23 09:41:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:16,261 INFO L93 Difference]: Finished difference Result 212 states and 232 transitions. [2018-10-23 09:41:16,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-10-23 09:41:16,262 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 139 [2018-10-23 09:41:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:16,263 INFO L225 Difference]: With dead ends: 212 [2018-10-23 09:41:16,263 INFO L226 Difference]: Without dead ends: 143 [2018-10-23 09:41:16,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-10-23 09:41:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-23 09:41:16,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2018-10-23 09:41:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-10-23 09:41:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 142 transitions. [2018-10-23 09:41:16,272 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 142 transitions. Word has length 139 [2018-10-23 09:41:16,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:16,273 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 142 transitions. [2018-10-23 09:41:16,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-10-23 09:41:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-10-23 09:41:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-23 09:41:16,274 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:16,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:16,275 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:16,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:16,275 INFO L82 PathProgramCache]: Analyzing trace with hash -2012640870, now seen corresponding path program 1 times [2018-10-23 09:41:16,275 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:16,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:16,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:16,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:16,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:17,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:41:17,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-10-23 09:41:17,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-23 09:41:17,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-23 09:41:17,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-10-23 09:41:17,340 INFO L87 Difference]: Start difference. First operand 141 states and 142 transitions. Second operand 22 states. [2018-10-23 09:41:17,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:17,797 INFO L93 Difference]: Finished difference Result 184 states and 187 transitions. [2018-10-23 09:41:17,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-23 09:41:17,800 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 139 [2018-10-23 09:41:17,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:17,801 INFO L225 Difference]: With dead ends: 184 [2018-10-23 09:41:17,801 INFO L226 Difference]: Without dead ends: 181 [2018-10-23 09:41:17,802 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-10-23 09:41:17,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-10-23 09:41:17,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 180. [2018-10-23 09:41:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-10-23 09:41:17,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 181 transitions. [2018-10-23 09:41:17,809 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 181 transitions. Word has length 139 [2018-10-23 09:41:17,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:17,809 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 181 transitions. [2018-10-23 09:41:17,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-23 09:41:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 181 transitions. [2018-10-23 09:41:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-23 09:41:17,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:17,811 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:17,811 INFO L424 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:17,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1095804606, now seen corresponding path program 1 times [2018-10-23 09:41:17,812 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:17,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:17,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:17,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:17,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-23 09:41:19,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:41:19,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2018-10-23 09:41:19,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-10-23 09:41:19,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-10-23 09:41:19,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-10-23 09:41:19,133 INFO L87 Difference]: Start difference. First operand 180 states and 181 transitions. Second operand 52 states. [2018-10-23 09:41:21,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:21,866 INFO L93 Difference]: Finished difference Result 188 states and 189 transitions. [2018-10-23 09:41:21,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-10-23 09:41:21,867 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 143 [2018-10-23 09:41:21,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:21,868 INFO L225 Difference]: With dead ends: 188 [2018-10-23 09:41:21,869 INFO L226 Difference]: Without dead ends: 146 [2018-10-23 09:41:21,870 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-10-23 09:41:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-10-23 09:41:21,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-10-23 09:41:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-10-23 09:41:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-10-23 09:41:21,876 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 143 [2018-10-23 09:41:21,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:21,877 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-10-23 09:41:21,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-10-23 09:41:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-10-23 09:41:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-23 09:41:21,878 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:21,878 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:21,878 INFO L424 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:21,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:21,878 INFO L82 PathProgramCache]: Analyzing trace with hash -818315832, now seen corresponding path program 1 times [2018-10-23 09:41:21,879 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:21,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:21,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:21,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:21,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:23,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:23,189 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:41:23,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:23,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:26,179 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:26,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 73] total 75 [2018-10-23 09:41:26,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-10-23 09:41:26,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-10-23 09:41:26,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-10-23 09:41:26,183 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 75 states. [2018-10-23 09:41:27,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:27,348 INFO L93 Difference]: Finished difference Result 156 states and 158 transitions. [2018-10-23 09:41:27,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-10-23 09:41:27,348 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 145 [2018-10-23 09:41:27,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:27,350 INFO L225 Difference]: With dead ends: 156 [2018-10-23 09:41:27,350 INFO L226 Difference]: Without dead ends: 153 [2018-10-23 09:41:27,353 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2200 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-10-23 09:41:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-23 09:41:27,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 152. [2018-10-23 09:41:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-10-23 09:41:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-10-23 09:41:27,360 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 145 [2018-10-23 09:41:27,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:27,361 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-10-23 09:41:27,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-10-23 09:41:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-10-23 09:41:27,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-23 09:41:27,362 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:27,362 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:27,363 INFO L424 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:27,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:27,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1459546250, now seen corresponding path program 2 times [2018-10-23 09:41:27,363 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:27,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:27,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:27,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:27,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:28,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:28,994 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:41:29,011 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-23 09:41:29,073 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-23 09:41:29,073 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:41:29,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:30,355 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:30,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 76] total 78 [2018-10-23 09:41:30,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-10-23 09:41:30,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-10-23 09:41:30,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-10-23 09:41:30,359 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 78 states. [2018-10-23 09:41:31,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:31,751 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2018-10-23 09:41:31,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-10-23 09:41:31,751 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 151 [2018-10-23 09:41:31,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:31,752 INFO L225 Difference]: With dead ends: 162 [2018-10-23 09:41:31,752 INFO L226 Difference]: Without dead ends: 159 [2018-10-23 09:41:31,753 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2500 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-10-23 09:41:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-10-23 09:41:31,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 158. [2018-10-23 09:41:31,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-10-23 09:41:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-10-23 09:41:31,760 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 151 [2018-10-23 09:41:31,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:31,760 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-10-23 09:41:31,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-10-23 09:41:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-10-23 09:41:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-23 09:41:31,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:31,762 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:31,762 INFO L424 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:31,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:31,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1601058468, now seen corresponding path program 3 times [2018-10-23 09:41:31,762 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:31,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:31,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:31,763 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:41:31,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:32,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:32,264 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 [2018-10-23 09:41:32,275 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-23 09:41:32,353 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-10-23 09:41:32,353 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:41:32,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:33,591 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:33,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 79] total 81 [2018-10-23 09:41:33,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-10-23 09:41:33,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-10-23 09:41:33,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-10-23 09:41:33,594 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 81 states. [2018-10-23 09:41:34,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:34,830 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2018-10-23 09:41:34,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-10-23 09:41:34,831 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 157 [2018-10-23 09:41:34,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:34,832 INFO L225 Difference]: With dead ends: 168 [2018-10-23 09:41:34,832 INFO L226 Difference]: Without dead ends: 165 [2018-10-23 09:41:34,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2800 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-10-23 09:41:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-10-23 09:41:34,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 164. [2018-10-23 09:41:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-10-23 09:41:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-10-23 09:41:34,839 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 157 [2018-10-23 09:41:34,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:34,839 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-10-23 09:41:34,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-10-23 09:41:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-10-23 09:41:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-23 09:41:34,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:34,841 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:34,841 INFO L424 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:34,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:34,841 INFO L82 PathProgramCache]: Analyzing trace with hash 849787730, now seen corresponding path program 4 times [2018-10-23 09:41:34,842 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:34,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:34,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:34,842 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:41:34,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:37,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:37,120 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 [2018-10-23 09:41:37,128 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-23 09:41:37,182 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-23 09:41:37,183 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:41:37,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:38,332 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:38,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 82] total 84 [2018-10-23 09:41:38,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-10-23 09:41:38,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-10-23 09:41:38,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-10-23 09:41:38,334 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 84 states. [2018-10-23 09:41:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:39,669 INFO L93 Difference]: Finished difference Result 174 states and 176 transitions. [2018-10-23 09:41:39,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-10-23 09:41:39,670 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 163 [2018-10-23 09:41:39,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:39,671 INFO L225 Difference]: With dead ends: 174 [2018-10-23 09:41:39,671 INFO L226 Difference]: Without dead ends: 171 [2018-10-23 09:41:39,672 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3100 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-10-23 09:41:39,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-10-23 09:41:39,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 170. [2018-10-23 09:41:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-10-23 09:41:39,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-10-23 09:41:39,678 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 163 [2018-10-23 09:41:39,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:39,679 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-10-23 09:41:39,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-10-23 09:41:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-10-23 09:41:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-23 09:41:39,680 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:39,680 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:39,680 INFO L424 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:39,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:39,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1726514560, now seen corresponding path program 5 times [2018-10-23 09:41:39,681 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:39,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:39,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:39,682 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:41:39,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:40,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:40,461 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 [2018-10-23 09:41:40,469 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-23 09:41:40,527 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2018-10-23 09:41:40,527 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:41:40,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:41,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:41,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 85] total 87 [2018-10-23 09:41:41,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-10-23 09:41:41,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-10-23 09:41:41,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-10-23 09:41:41,790 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 87 states. [2018-10-23 09:41:43,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:43,176 INFO L93 Difference]: Finished difference Result 180 states and 182 transitions. [2018-10-23 09:41:43,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-10-23 09:41:43,177 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 169 [2018-10-23 09:41:43,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:43,179 INFO L225 Difference]: With dead ends: 180 [2018-10-23 09:41:43,179 INFO L226 Difference]: Without dead ends: 177 [2018-10-23 09:41:43,180 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3400 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-10-23 09:41:43,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-10-23 09:41:43,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 176. [2018-10-23 09:41:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-10-23 09:41:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-10-23 09:41:43,187 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 169 [2018-10-23 09:41:43,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:43,187 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-10-23 09:41:43,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-10-23 09:41:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-10-23 09:41:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-23 09:41:43,188 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:43,188 INFO L375 BasicCegarLoop]: trace histogram [18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:43,189 INFO L424 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:43,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:43,189 INFO L82 PathProgramCache]: Analyzing trace with hash -762743506, now seen corresponding path program 6 times [2018-10-23 09:41:43,189 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:43,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:43,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:43,190 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:41:43,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:44,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:44,586 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:41:44,595 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-10-23 09:41:44,678 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2018-10-23 09:41:44,678 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:41:44,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:46,083 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:46,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 88] total 90 [2018-10-23 09:41:46,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-10-23 09:41:46,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-10-23 09:41:46,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-10-23 09:41:46,085 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 90 states. [2018-10-23 09:41:47,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:47,160 INFO L93 Difference]: Finished difference Result 186 states and 188 transitions. [2018-10-23 09:41:47,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-10-23 09:41:47,160 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 175 [2018-10-23 09:41:47,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:47,162 INFO L225 Difference]: With dead ends: 186 [2018-10-23 09:41:47,162 INFO L226 Difference]: Without dead ends: 183 [2018-10-23 09:41:47,163 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3700 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-10-23 09:41:47,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-10-23 09:41:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2018-10-23 09:41:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-10-23 09:41:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-10-23 09:41:47,170 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 175 [2018-10-23 09:41:47,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:47,171 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-10-23 09:41:47,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-10-23 09:41:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-10-23 09:41:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-23 09:41:47,172 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:47,172 INFO L375 BasicCegarLoop]: trace histogram [21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:47,172 INFO L424 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:47,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:47,173 INFO L82 PathProgramCache]: Analyzing trace with hash -336106916, now seen corresponding path program 7 times [2018-10-23 09:41:47,173 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:47,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:47,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:47,174 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:41:47,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:48,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:48,088 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:41:48,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:48,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:49,350 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:49,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 91] total 93 [2018-10-23 09:41:49,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-10-23 09:41:49,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-10-23 09:41:49,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-10-23 09:41:49,352 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 93 states. [2018-10-23 09:41:50,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:50,426 INFO L93 Difference]: Finished difference Result 192 states and 194 transitions. [2018-10-23 09:41:50,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-10-23 09:41:50,427 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 181 [2018-10-23 09:41:50,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:50,428 INFO L225 Difference]: With dead ends: 192 [2018-10-23 09:41:50,429 INFO L226 Difference]: Without dead ends: 189 [2018-10-23 09:41:50,430 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4000 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-10-23 09:41:50,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-10-23 09:41:50,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 188. [2018-10-23 09:41:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-10-23 09:41:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-10-23 09:41:50,437 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 181 [2018-10-23 09:41:50,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:50,438 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-10-23 09:41:50,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-10-23 09:41:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-10-23 09:41:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-23 09:41:50,439 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:50,439 INFO L375 BasicCegarLoop]: trace histogram [24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:50,439 INFO L424 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:50,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:50,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1471694090, now seen corresponding path program 8 times [2018-10-23 09:41:50,440 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:50,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:50,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:50,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 09:41:50,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:51,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:51,817 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:41:51,824 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-23 09:41:51,880 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-23 09:41:51,880 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:41:51,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:53,008 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:53,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 94] total 96 [2018-10-23 09:41:53,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-10-23 09:41:53,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-10-23 09:41:53,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-10-23 09:41:53,013 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 96 states. [2018-10-23 09:41:55,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:41:55,493 INFO L93 Difference]: Finished difference Result 198 states and 200 transitions. [2018-10-23 09:41:55,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-10-23 09:41:55,494 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 187 [2018-10-23 09:41:55,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:41:55,495 INFO L225 Difference]: With dead ends: 198 [2018-10-23 09:41:55,495 INFO L226 Difference]: Without dead ends: 195 [2018-10-23 09:41:55,497 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4300 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-10-23 09:41:55,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-10-23 09:41:55,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2018-10-23 09:41:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-10-23 09:41:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-10-23 09:41:55,504 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 187 [2018-10-23 09:41:55,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:41:55,504 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-10-23 09:41:55,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-10-23 09:41:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-10-23 09:41:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-23 09:41:55,505 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:41:55,506 INFO L375 BasicCegarLoop]: trace histogram [27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:41:55,506 INFO L424 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:41:55,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:41:55,506 INFO L82 PathProgramCache]: Analyzing trace with hash -160832200, now seen corresponding path program 9 times [2018-10-23 09:41:55,506 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:41:55,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:41:55,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:55,507 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:41:55,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:41:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:41:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:57,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:41:57,900 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:41:57,908 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-23 09:41:58,017 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2018-10-23 09:41:58,018 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:41:58,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:41:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:41:59,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:41:59,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 97] total 99 [2018-10-23 09:41:59,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-10-23 09:41:59,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-10-23 09:41:59,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-10-23 09:41:59,090 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 99 states. [2018-10-23 09:42:00,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:42:00,410 INFO L93 Difference]: Finished difference Result 204 states and 206 transitions. [2018-10-23 09:42:00,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-10-23 09:42:00,410 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 193 [2018-10-23 09:42:00,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:42:00,412 INFO L225 Difference]: With dead ends: 204 [2018-10-23 09:42:00,412 INFO L226 Difference]: Without dead ends: 201 [2018-10-23 09:42:00,414 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4600 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-10-23 09:42:00,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-10-23 09:42:00,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2018-10-23 09:42:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-10-23 09:42:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-10-23 09:42:00,422 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 193 [2018-10-23 09:42:00,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:42:00,422 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-10-23 09:42:00,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-10-23 09:42:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-10-23 09:42:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-23 09:42:00,423 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:42:00,423 INFO L375 BasicCegarLoop]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:42:00,424 INFO L424 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:42:00,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:42:00,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1925327590, now seen corresponding path program 10 times [2018-10-23 09:42:00,424 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:42:00,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:42:00,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:42:00,425 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:42:00,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:42:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:42:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:42:02,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:42:02,241 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:42:02,251 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-23 09:42:02,326 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-23 09:42:02,326 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:42:02,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:42:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:42:03,374 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:42:03,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 100] total 102 [2018-10-23 09:42:03,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-10-23 09:42:03,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-10-23 09:42:03,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-10-23 09:42:03,377 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 102 states. [2018-10-23 09:42:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:42:04,913 INFO L93 Difference]: Finished difference Result 209 states and 211 transitions. [2018-10-23 09:42:04,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-10-23 09:42:04,913 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 199 [2018-10-23 09:42:04,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:42:04,915 INFO L225 Difference]: With dead ends: 209 [2018-10-23 09:42:04,915 INFO L226 Difference]: Without dead ends: 206 [2018-10-23 09:42:04,916 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4900 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-10-23 09:42:04,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-10-23 09:42:04,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-10-23 09:42:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-10-23 09:42:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 206 transitions. [2018-10-23 09:42:04,924 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 206 transitions. Word has length 199 [2018-10-23 09:42:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:42:04,925 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 206 transitions. [2018-10-23 09:42:04,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-10-23 09:42:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 206 transitions. [2018-10-23 09:42:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-23 09:42:04,926 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:42:04,926 INFO L375 BasicCegarLoop]: trace histogram [33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:42:04,926 INFO L424 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:42:04,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:42:04,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1334769172, now seen corresponding path program 11 times [2018-10-23 09:42:04,927 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:42:04,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:42:04,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:42:04,928 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:42:04,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:42:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:42:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 1089 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:42:07,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 09:42:07,170 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 09:42:07,177 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-10-23 09:42:07,456 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2018-10-23 09:42:07,456 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-23 09:42:07,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 09:42:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 1089 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:42:07,645 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 09:42:07,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 54 [2018-10-23 09:42:07,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-10-23 09:42:07,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-10-23 09:42:07,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-10-23 09:42:07,646 INFO L87 Difference]: Start difference. First operand 206 states and 206 transitions. Second operand 54 states. [2018-10-23 09:42:09,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:42:09,589 INFO L93 Difference]: Finished difference Result 212 states and 212 transitions. [2018-10-23 09:42:09,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-10-23 09:42:09,590 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 205 [2018-10-23 09:42:09,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:42:09,591 INFO L225 Difference]: With dead ends: 212 [2018-10-23 09:42:09,591 INFO L226 Difference]: Without dead ends: 209 [2018-10-23 09:42:09,592 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 204 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=109, Invalid=2861, Unknown=0, NotChecked=0, Total=2970 [2018-10-23 09:42:09,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-10-23 09:42:09,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 208. [2018-10-23 09:42:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-10-23 09:42:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 208 transitions. [2018-10-23 09:42:09,602 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 208 transitions. Word has length 205 [2018-10-23 09:42:09,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:42:09,602 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 208 transitions. [2018-10-23 09:42:09,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-10-23 09:42:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 208 transitions. [2018-10-23 09:42:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-23 09:42:09,603 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 09:42:09,604 INFO L375 BasicCegarLoop]: trace histogram [34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 09:42:09,604 INFO L424 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 09:42:09,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 09:42:09,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1489572658, now seen corresponding path program 12 times [2018-10-23 09:42:09,604 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 09:42:09,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 09:42:09,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:42:09,605 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-23 09:42:09,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 09:42:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 09:42:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 1156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 09:42:11,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 09:42:11,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2018-10-23 09:42:11,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-10-23 09:42:11,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-10-23 09:42:11,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-10-23 09:42:11,156 INFO L87 Difference]: Start difference. First operand 208 states and 208 transitions. Second operand 52 states. [2018-10-23 09:42:11,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 09:42:11,843 INFO L93 Difference]: Finished difference Result 208 states and 208 transitions. [2018-10-23 09:42:11,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-10-23 09:42:11,843 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 207 [2018-10-23 09:42:11,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 09:42:11,844 INFO L225 Difference]: With dead ends: 208 [2018-10-23 09:42:11,844 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 09:42:11,845 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-10-23 09:42:11,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 09:42:11,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 09:42:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 09:42:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 09:42:11,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-10-23 09:42:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 09:42:11,846 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 09:42:11,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-10-23 09:42:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 09:42:11,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 09:42:11,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 09:42:12,068 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-23 09:42:13,543 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2018-10-23 09:42:14,078 INFO L421 ceAbstractionStarter]: At program point L1126(lines 74 1127) the Hoare annotation is: (and (<= 11 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 11) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,078 INFO L421 ceAbstractionStarter]: At program point L994(lines 140 995) the Hoare annotation is: (and (<= 50 ULTIMATE.start_main_~main__y~0) (<= 22 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 22) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,078 INFO L421 ceAbstractionStarter]: At program point L862(lines 206 863) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 33) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 33 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,078 INFO L421 ceAbstractionStarter]: At program point L730(lines 272 731) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 44) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 44 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,079 INFO L421 ceAbstractionStarter]: At program point L598(lines 338 599) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 55) (<= 55 ULTIMATE.start_main_~main__x~0) (<= 55 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 55)) [2018-10-23 09:42:14,079 INFO L421 ceAbstractionStarter]: At program point L466(lines 404 467) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 66) (<= 66 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 66) (<= 66 ULTIMATE.start_main_~main__x~0)) [2018-10-23 09:42:14,079 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 539) no Hoare annotation was computed. [2018-10-23 09:42:14,079 INFO L425 ceAbstractionStarter]: For program point L302(lines 302 671) no Hoare annotation was computed. [2018-10-23 09:42:14,079 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 803) no Hoare annotation was computed. [2018-10-23 09:42:14,079 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 935) no Hoare annotation was computed. [2018-10-23 09:42:14,079 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 1067) no Hoare annotation was computed. [2018-10-23 09:42:14,080 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 1199) no Hoare annotation was computed. [2018-10-23 09:42:14,080 INFO L421 ceAbstractionStarter]: At program point L1162(lines 56 1163) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 8) (<= 8 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,080 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-10-23 09:42:14,080 INFO L421 ceAbstractionStarter]: At program point L1030(lines 122 1031) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 19) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 19 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,080 INFO L421 ceAbstractionStarter]: At program point L898(lines 188 899) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 30) (<= 30 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,080 INFO L421 ceAbstractionStarter]: At program point L766(lines 254 767) the Hoare annotation is: (and (<= 41 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 41) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,080 INFO L421 ceAbstractionStarter]: At program point L634(lines 320 635) the Hoare annotation is: (and (<= 52 ULTIMATE.start_main_~main__y~0) (<= 52 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 52) (<= ULTIMATE.start_main_~main__x~0 52)) [2018-10-23 09:42:14,081 INFO L421 ceAbstractionStarter]: At program point L502(lines 386 503) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 63) (<= ULTIMATE.start_main_~main__y~0 63) (<= 63 ULTIMATE.start_main_~main__x~0) (<= 63 ULTIMATE.start_main_~main__y~0)) [2018-10-23 09:42:14,081 INFO L425 ceAbstractionStarter]: For program point L437(lines 437 446) no Hoare annotation was computed. [2018-10-23 09:42:14,081 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 467) no Hoare annotation was computed. [2018-10-23 09:42:14,081 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 599) no Hoare annotation was computed. [2018-10-23 09:42:14,081 INFO L425 ceAbstractionStarter]: For program point L272(lines 272 731) no Hoare annotation was computed. [2018-10-23 09:42:14,081 INFO L425 ceAbstractionStarter]: For program point L206(lines 206 863) no Hoare annotation was computed. [2018-10-23 09:42:14,081 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 995) no Hoare annotation was computed. [2018-10-23 09:42:14,081 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 1127) no Hoare annotation was computed. [2018-10-23 09:42:14,081 INFO L421 ceAbstractionStarter]: At program point L1198(lines 38 1199) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 5) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 5 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,081 INFO L421 ceAbstractionStarter]: At program point L1066(lines 104 1067) the Hoare annotation is: (and (<= 16 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 16) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,081 INFO L421 ceAbstractionStarter]: At program point L934(lines 170 935) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 27) (<= 27 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,082 INFO L421 ceAbstractionStarter]: At program point L802(lines 236 803) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 38) (<= 38 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,082 INFO L421 ceAbstractionStarter]: At program point L670(lines 302 671) the Hoare annotation is: (and (<= 49 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 49) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,082 INFO L421 ceAbstractionStarter]: At program point L538(lines 368 539) the Hoare annotation is: (and (<= 60 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 60) (<= 60 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 60)) [2018-10-23 09:42:14,082 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-23 09:42:14,082 INFO L425 ceAbstractionStarter]: For program point L374(lines 374 527) no Hoare annotation was computed. [2018-10-23 09:42:14,082 INFO L425 ceAbstractionStarter]: For program point L308(lines 308 659) no Hoare annotation was computed. [2018-10-23 09:42:14,082 INFO L425 ceAbstractionStarter]: For program point L242(lines 242 791) no Hoare annotation was computed. [2018-10-23 09:42:14,082 INFO L425 ceAbstractionStarter]: For program point L176(lines 176 923) no Hoare annotation was computed. [2018-10-23 09:42:14,083 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 1055) no Hoare annotation was computed. [2018-10-23 09:42:14,083 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 1187) no Hoare annotation was computed. [2018-10-23 09:42:14,083 INFO L421 ceAbstractionStarter]: At program point L1234(lines 20 1235) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 2) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 2 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,083 INFO L421 ceAbstractionStarter]: At program point L1102(lines 86 1103) the Hoare annotation is: (and (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 13) (<= ULTIMATE.start_main_~main__y~0 50) (<= 13 ULTIMATE.start_main_~main__x~0)) [2018-10-23 09:42:14,083 INFO L425 ceAbstractionStarter]: For program point L12(lines 12 1252) no Hoare annotation was computed. [2018-10-23 09:42:14,083 INFO L421 ceAbstractionStarter]: At program point L970(lines 152 971) the Hoare annotation is: (and (<= 24 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 24) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,083 INFO L421 ceAbstractionStarter]: At program point L838(lines 218 839) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 35) (<= 35 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,084 INFO L421 ceAbstractionStarter]: At program point L706(lines 284 707) the Hoare annotation is: (and (<= 46 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 46) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,084 INFO L421 ceAbstractionStarter]: At program point L574(lines 350 575) the Hoare annotation is: (and (<= 57 ULTIMATE.start_main_~main__x~0) (<= 57 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 57) (<= ULTIMATE.start_main_~main__y~0 57)) [2018-10-23 09:42:14,084 INFO L425 ceAbstractionStarter]: For program point L410(lines 410 455) no Hoare annotation was computed. [2018-10-23 09:42:14,084 INFO L425 ceAbstractionStarter]: For program point L344(lines 344 587) no Hoare annotation was computed. [2018-10-23 09:42:14,084 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 719) no Hoare annotation was computed. [2018-10-23 09:42:14,084 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 851) no Hoare annotation was computed. [2018-10-23 09:42:14,084 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 983) no Hoare annotation was computed. [2018-10-23 09:42:14,084 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 1115) no Hoare annotation was computed. [2018-10-23 09:42:14,084 INFO L425 ceAbstractionStarter]: For program point L14(lines 14 1247) no Hoare annotation was computed. [2018-10-23 09:42:14,085 INFO L421 ceAbstractionStarter]: At program point L1138(lines 68 1139) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 10) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50) (<= 10 ULTIMATE.start_main_~main__x~0)) [2018-10-23 09:42:14,085 INFO L421 ceAbstractionStarter]: At program point L1006(lines 134 1007) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 21) (<= 21 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,085 INFO L421 ceAbstractionStarter]: At program point L874(lines 200 875) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 32) (<= 32 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,085 INFO L421 ceAbstractionStarter]: At program point L742(lines 266 743) the Hoare annotation is: (and (<= 43 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 43) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,085 INFO L421 ceAbstractionStarter]: At program point L610(lines 332 611) the Hoare annotation is: (and (<= 54 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 54) (<= 54 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 54)) [2018-10-23 09:42:14,085 INFO L421 ceAbstractionStarter]: At program point L478(lines 398 479) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 65) (<= 65 ULTIMATE.start_main_~main__x~0) (<= 65 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 65)) [2018-10-23 09:42:14,085 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 515) no Hoare annotation was computed. [2018-10-23 09:42:14,086 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 647) no Hoare annotation was computed. [2018-10-23 09:42:14,086 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 779) no Hoare annotation was computed. [2018-10-23 09:42:14,086 INFO L425 ceAbstractionStarter]: For program point L182(lines 182 911) no Hoare annotation was computed. [2018-10-23 09:42:14,086 INFO L425 ceAbstractionStarter]: For program point L116(lines 116 1043) no Hoare annotation was computed. [2018-10-23 09:42:14,086 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 1175) no Hoare annotation was computed. [2018-10-23 09:42:14,086 INFO L421 ceAbstractionStarter]: At program point L1174(lines 50 1175) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 7) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 7 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,086 INFO L421 ceAbstractionStarter]: At program point L1042(lines 116 1043) the Hoare annotation is: (and (<= 18 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 18) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,086 INFO L421 ceAbstractionStarter]: At program point L910(lines 182 911) the Hoare annotation is: (and (<= 29 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 29) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,087 INFO L421 ceAbstractionStarter]: At program point L778(lines 248 779) the Hoare annotation is: (and (<= 40 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 40) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,087 INFO L421 ceAbstractionStarter]: At program point L646(lines 314 647) the Hoare annotation is: (and (<= 51 ULTIMATE.start_main_~main__x~0) (<= 51 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 51) (<= ULTIMATE.start_main_~main__y~0 51)) [2018-10-23 09:42:14,087 INFO L421 ceAbstractionStarter]: At program point L514(lines 380 515) the Hoare annotation is: (and (<= 62 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 62) (<= 62 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 62)) [2018-10-23 09:42:14,087 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 575) no Hoare annotation was computed. [2018-10-23 09:42:14,087 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 09:42:14,087 INFO L425 ceAbstractionStarter]: For program point L284(lines 284 707) no Hoare annotation was computed. [2018-10-23 09:42:14,087 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 839) no Hoare annotation was computed. [2018-10-23 09:42:14,087 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 971) no Hoare annotation was computed. [2018-10-23 09:42:14,087 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 1103) no Hoare annotation was computed. [2018-10-23 09:42:14,087 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 1235) no Hoare annotation was computed. [2018-10-23 09:42:14,088 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 428) no Hoare annotation was computed. [2018-10-23 09:42:14,088 INFO L421 ceAbstractionStarter]: At program point L1210(lines 32 1211) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 4) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 4 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,088 INFO L421 ceAbstractionStarter]: At program point L1078(lines 98 1079) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 15) (<= 15 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,088 INFO L421 ceAbstractionStarter]: At program point L946(lines 164 947) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 26) (<= 26 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,088 INFO L421 ceAbstractionStarter]: At program point L814(lines 230 815) the Hoare annotation is: (and (<= 37 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 37) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,088 INFO L421 ceAbstractionStarter]: At program point L682(lines 296 683) the Hoare annotation is: (and (<= 48 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 48) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,089 INFO L421 ceAbstractionStarter]: At program point L550(lines 362 551) the Hoare annotation is: (and (<= 59 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 59) (<= ULTIMATE.start_main_~main__x~0 59) (<= 59 ULTIMATE.start_main_~main__x~0)) [2018-10-23 09:42:14,089 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 503) no Hoare annotation was computed. [2018-10-23 09:42:14,089 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 635) no Hoare annotation was computed. [2018-10-23 09:42:14,089 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 767) no Hoare annotation was computed. [2018-10-23 09:42:14,089 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 899) no Hoare annotation was computed. [2018-10-23 09:42:14,089 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 1031) no Hoare annotation was computed. [2018-10-23 09:42:14,089 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 1163) no Hoare annotation was computed. [2018-10-23 09:42:14,090 INFO L421 ceAbstractionStarter]: At program point L1246(lines 14 1247) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 1) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,090 INFO L421 ceAbstractionStarter]: At program point L1114(lines 80 1115) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 12) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 12 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,090 INFO L421 ceAbstractionStarter]: At program point L982(lines 146 983) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 23) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 23 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,090 INFO L421 ceAbstractionStarter]: At program point L850(lines 212 851) the Hoare annotation is: (and (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 34) (<= ULTIMATE.start_main_~main__y~0 50) (<= 34 ULTIMATE.start_main_~main__x~0)) [2018-10-23 09:42:14,090 INFO L421 ceAbstractionStarter]: At program point L718(lines 278 719) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 45) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 45 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,090 INFO L421 ceAbstractionStarter]: At program point L586(lines 344 587) the Hoare annotation is: (and (<= 56 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 56) (<= 56 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 56)) [2018-10-23 09:42:14,091 INFO L421 ceAbstractionStarter]: At program point L454(lines 410 455) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~main__y~0 73) (<= 73 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 73) (<= 73 ULTIMATE.start_main_~main__y~0)) (and (<= 76 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 76) (<= 76 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 76)) (and (<= 91 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 91) (<= ULTIMATE.start_main_~main__y~0 91) (<= 91 ULTIMATE.start_main_~main__y~0)) (and (<= 71 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 71) (<= ULTIMATE.start_main_~main__x~0 71) (<= 71 ULTIMATE.start_main_~main__y~0)) (and (<= 77 ULTIMATE.start_main_~main__y~0) (<= 77 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 77) (<= ULTIMATE.start_main_~main__y~0 77)) (and (<= ULTIMATE.start_main_~main__x~0 70) (<= ULTIMATE.start_main_~main__y~0 70) (<= 70 ULTIMATE.start_main_~main__y~0) (<= 70 ULTIMATE.start_main_~main__x~0)) (and (<= 99 ULTIMATE.start_main_~main__x~0) (<= 99 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 99) (<= ULTIMATE.start_main_~main__y~0 99)) (and (<= 82 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 82) (<= 82 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 82)) (and (<= ULTIMATE.start_main_~main__y~0 86) (<= 86 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 86) (<= 86 ULTIMATE.start_main_~main__y~0)) (and (<= 88 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 88) (<= ULTIMATE.start_main_~main__y~0 88) (<= 88 ULTIMATE.start_main_~main__y~0)) (and (<= ULTIMATE.start_main_~main__y~0 98) (<= 98 ULTIMATE.start_main_~main__x~0) (<= 98 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 98)) (and (<= ULTIMATE.start_main_~main__y~0 75) (<= 75 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 75) (<= 75 ULTIMATE.start_main_~main__x~0)) (and (<= 90 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 90) (<= 90 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 90)) (and (<= ULTIMATE.start_main_~main__y~0 69) (<= 69 ULTIMATE.start_main_~main__x~0) (<= 69 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 69)) (and (<= ULTIMATE.start_main_~main__y~0 93) (<= 93 ULTIMATE.start_main_~main__x~0) (<= 93 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 93)) (and (<= 87 ULTIMATE.start_main_~main__y~0) (<= 87 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 87) (<= ULTIMATE.start_main_~main__y~0 87)) (and (<= 81 ULTIMATE.start_main_~main__x~0) (<= 81 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 81) (<= ULTIMATE.start_main_~main__x~0 81)) (and (<= ULTIMATE.start_main_~main__y~0 85) (<= ULTIMATE.start_main_~main__x~0 85) (<= 85 ULTIMATE.start_main_~main__y~0) (<= 85 ULTIMATE.start_main_~main__x~0)) (and (<= 68 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 68) (<= 68 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 68)) (and (<= 79 ULTIMATE.start_main_~main__x~0) (<= 79 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 79) (<= ULTIMATE.start_main_~main__y~0 79)) (and (<= 94 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 94) (<= 94 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 94)) (and (<= ULTIMATE.start_main_~main__x~0 95) (<= 95 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 95) (<= 95 ULTIMATE.start_main_~main__y~0)) (and (<= ULTIMATE.start_main_~main__y~0 84) (<= 84 ULTIMATE.start_main_~main__y~0) (<= 84 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 84)) (and (<= 83 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 83) (<= 83 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 83)) (and (<= ULTIMATE.start_main_~main__x~0 67) (<= 67 ULTIMATE.start_main_~main__y~0) (<= 67 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 67)) (and (<= 89 ULTIMATE.start_main_~main__x~0) (<= 89 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 89) (<= ULTIMATE.start_main_~main__x~0 89)) (and (<= 100 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 100) (<= 100 ULTIMATE.start_main_~main__y~0)) (and (<= 92 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 92) (<= 92 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 92)) (and (<= 72 ULTIMATE.start_main_~main__y~0) (<= 72 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 72) (<= ULTIMATE.start_main_~main__y~0 72)) (and (<= ULTIMATE.start_main_~main__y~0 97) (<= 97 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 97) (<= 97 ULTIMATE.start_main_~main__y~0)) (and (<= 74 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 74) (<= 74 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 74)) (and (<= ULTIMATE.start_main_~main__x~0 96) (<= 96 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 96) (<= 96 ULTIMATE.start_main_~main__x~0)) (and (<= 78 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 78) (<= 78 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 78)) (and (<= 80 ULTIMATE.start_main_~main__y~0) (<= 80 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 80) (<= ULTIMATE.start_main_~main__y~0 80))) [2018-10-23 09:42:14,091 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 09:42:14,091 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 563) no Hoare annotation was computed. [2018-10-23 09:42:14,092 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 695) no Hoare annotation was computed. [2018-10-23 09:42:14,092 INFO L425 ceAbstractionStarter]: For program point L224(lines 224 827) no Hoare annotation was computed. [2018-10-23 09:42:14,092 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 959) no Hoare annotation was computed. [2018-10-23 09:42:14,092 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 1091) no Hoare annotation was computed. [2018-10-23 09:42:14,092 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 1223) no Hoare annotation was computed. [2018-10-23 09:42:14,092 INFO L421 ceAbstractionStarter]: At program point L1150(lines 62 1151) the Hoare annotation is: (and (<= 9 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 9) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,092 INFO L421 ceAbstractionStarter]: At program point L1018(lines 128 1019) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 20) (<= 20 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,092 INFO L421 ceAbstractionStarter]: At program point L886(lines 194 887) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 31) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50) (<= 31 ULTIMATE.start_main_~main__x~0)) [2018-10-23 09:42:14,093 INFO L421 ceAbstractionStarter]: At program point L754(lines 260 755) the Hoare annotation is: (and (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 42) (<= 42 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,093 INFO L421 ceAbstractionStarter]: At program point L622(lines 326 623) the Hoare annotation is: (and (<= 53 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 53) (<= ULTIMATE.start_main_~main__x~0 53) (<= 53 ULTIMATE.start_main_~main__x~0)) [2018-10-23 09:42:14,093 INFO L421 ceAbstractionStarter]: At program point L490(lines 392 491) the Hoare annotation is: (and (<= 64 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 64) (<= 64 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 64)) [2018-10-23 09:42:14,093 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 09:42:14,093 INFO L425 ceAbstractionStarter]: For program point L392(lines 392 491) no Hoare annotation was computed. [2018-10-23 09:42:14,093 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 623) no Hoare annotation was computed. [2018-10-23 09:42:14,093 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 755) no Hoare annotation was computed. [2018-10-23 09:42:14,093 INFO L428 ceAbstractionStarter]: At program point L1251(lines 8 1253) the Hoare annotation is: true [2018-10-23 09:42:14,093 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 887) no Hoare annotation was computed. [2018-10-23 09:42:14,093 INFO L425 ceAbstractionStarter]: For program point L128(lines 128 1019) no Hoare annotation was computed. [2018-10-23 09:42:14,094 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 1151) no Hoare annotation was computed. [2018-10-23 09:42:14,094 INFO L421 ceAbstractionStarter]: At program point L1186(lines 44 1187) the Hoare annotation is: (and (<= 6 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 6) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,094 INFO L421 ceAbstractionStarter]: At program point L1054(lines 110 1055) the Hoare annotation is: (and (<= 17 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50) (<= ULTIMATE.start_main_~main__x~0 17)) [2018-10-23 09:42:14,094 INFO L421 ceAbstractionStarter]: At program point L922(lines 176 923) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 28) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 28 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,094 INFO L421 ceAbstractionStarter]: At program point L790(lines 242 791) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 39) (<= 39 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,094 INFO L421 ceAbstractionStarter]: At program point L658(lines 308 659) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 50) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 50 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,094 INFO L421 ceAbstractionStarter]: At program point L526(lines 374 527) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 61) (<= 61 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 61) (<= 61 ULTIMATE.start_main_~main__y~0)) [2018-10-23 09:42:14,094 INFO L425 ceAbstractionStarter]: For program point L362(lines 362 551) no Hoare annotation was computed. [2018-10-23 09:42:14,095 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 683) no Hoare annotation was computed. [2018-10-23 09:42:14,095 INFO L425 ceAbstractionStarter]: For program point L230(lines 230 815) no Hoare annotation was computed. [2018-10-23 09:42:14,095 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 947) no Hoare annotation was computed. [2018-10-23 09:42:14,095 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 1079) no Hoare annotation was computed. [2018-10-23 09:42:14,095 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 1211) no Hoare annotation was computed. [2018-10-23 09:42:14,095 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 09:42:14,095 INFO L421 ceAbstractionStarter]: At program point L1222(lines 26 1223) the Hoare annotation is: (and (<= 3 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 3) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,095 INFO L421 ceAbstractionStarter]: At program point L1090(lines 92 1091) the Hoare annotation is: (and (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 14) (<= 14 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,095 INFO L421 ceAbstractionStarter]: At program point L958(lines 158 959) the Hoare annotation is: (and (<= 25 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__x~0 25) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,096 INFO L421 ceAbstractionStarter]: At program point L826(lines 224 827) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 36) (<= 36 ULTIMATE.start_main_~main__x~0) (<= 50 ULTIMATE.start_main_~main__y~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,096 INFO L421 ceAbstractionStarter]: At program point L694(lines 290 695) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__x~0 47) (<= 50 ULTIMATE.start_main_~main__y~0) (<= 47 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__y~0 50)) [2018-10-23 09:42:14,096 INFO L421 ceAbstractionStarter]: At program point L562(lines 356 563) the Hoare annotation is: (and (<= ULTIMATE.start_main_~main__y~0 58) (<= 58 ULTIMATE.start_main_~main__x~0) (<= ULTIMATE.start_main_~main__x~0 58) (<= 58 ULTIMATE.start_main_~main__y~0)) [2018-10-23 09:42:14,096 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 479) no Hoare annotation was computed. [2018-10-23 09:42:14,096 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 611) no Hoare annotation was computed. [2018-10-23 09:42:14,096 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 743) no Hoare annotation was computed. [2018-10-23 09:42:14,096 INFO L425 ceAbstractionStarter]: For program point L200(lines 200 875) no Hoare annotation was computed. [2018-10-23 09:42:14,096 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 1007) no Hoare annotation was computed. [2018-10-23 09:42:14,096 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 1139) no Hoare annotation was computed. [2018-10-23 09:42:14,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 09:42:14 BoogieIcfgContainer [2018-10-23 09:42:14,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 09:42:14,146 INFO L168 Benchmark]: Toolchain (without parser) took 118784.61 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -352.1 MB). Peak memory consumption was 952.4 MB. Max. memory is 7.1 GB. [2018-10-23 09:42:14,147 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. [2018-10-23 09:42:14,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.26 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: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2018-10-23 09:42:14,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.89 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 09:42:14,148 INFO L168 Benchmark]: Boogie Preprocessor took 201.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2018-10-23 09:42:14,149 INFO L168 Benchmark]: RCFGBuilder took 1655.84 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2018-10-23 09:42:14,150 INFO L168 Benchmark]: TraceAbstraction took 116232.21 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 552.6 MB). Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 372.5 MB). Peak memory consumption was 925.1 MB. Max. memory is 7.1 GB. [2018-10-23 09:42:14,154 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 578.26 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: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 111.89 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1655.84 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 116232.21 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 552.6 MB). Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 372.5 MB). Peak memory consumption was 925.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 182]: Loop Invariant Derived loop invariant: ((29 <= main__x && main__x <= 29) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((main__x <= 61 && 61 <= main__x) && main__y <= 61) && 61 <= main__y - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((50 <= main__y && 22 <= main__x) && main__x <= 22) && main__y <= 50 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((54 <= main__y && main__y <= 54) && 54 <= main__x) && main__x <= 54 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((main__x <= 47 && 50 <= main__y) && 47 <= main__x) && main__y <= 50 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((main__x <= 15 && 15 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((40 <= main__x && main__x <= 40) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((main__x <= 8 && 8 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((25 <= main__x && 50 <= main__y) && main__x <= 25) && main__y <= 50 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((57 <= main__x && 57 <= main__y) && main__x <= 57) && main__y <= 57 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((main__x <= 50 && 50 <= main__y) && 50 <= main__x) && main__y <= 50 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((18 <= main__x && main__x <= 18) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((43 <= main__x && 50 <= main__y) && main__x <= 43) && main__y <= 50 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((11 <= main__x && 50 <= main__y) && main__x <= 11) && main__y <= 50 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((main__x <= 36 && 36 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((main__x <= 4 && 50 <= main__y) && 4 <= main__x) && main__y <= 50 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((main__x <= 21 && 21 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((53 <= main__y && main__y <= 53) && main__x <= 53) && 53 <= main__x - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: ((46 <= main__x && main__x <= 46) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((50 <= main__y && main__x <= 14) && 14 <= main__x) && main__y <= 50 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((main__x <= 39 && 39 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((main__x <= 7 && 50 <= main__y) && 7 <= main__x) && main__y <= 50 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((main__x <= 32 && 32 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((64 <= main__x && main__x <= 64) && 64 <= main__y) && main__y <= 64 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((49 <= main__x && 50 <= main__y) && main__x <= 49) && main__y <= 50 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((17 <= main__x && 50 <= main__y) && main__y <= 50) && main__x <= 17 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((50 <= main__y && main__x <= 42) && 42 <= main__x) && main__y <= 50 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((main__x <= 10 && 50 <= main__y) && main__y <= 50) && 10 <= main__x - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((main__x <= 35 && 35 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((main__y <= 73 && 73 <= main__x) && main__x <= 73) && 73 <= main__y) || (((76 <= main__x && main__x <= 76) && 76 <= main__y) && main__y <= 76)) || (((91 <= main__x && main__x <= 91) && main__y <= 91) && 91 <= main__y)) || (((71 <= main__x && main__y <= 71) && main__x <= 71) && 71 <= main__y)) || (((77 <= main__y && 77 <= main__x) && main__x <= 77) && main__y <= 77)) || (((main__x <= 70 && main__y <= 70) && 70 <= main__y) && 70 <= main__x)) || (((99 <= main__x && 99 <= main__y) && main__x <= 99) && main__y <= 99)) || (((82 <= main__y && main__y <= 82) && 82 <= main__x) && main__x <= 82)) || (((main__y <= 86 && 86 <= main__x) && main__x <= 86) && 86 <= main__y)) || (((88 <= main__x && main__x <= 88) && main__y <= 88) && 88 <= main__y)) || (((main__y <= 98 && 98 <= main__x) && 98 <= main__y) && main__x <= 98)) || (((main__y <= 75 && 75 <= main__y) && main__x <= 75) && 75 <= main__x)) || (((90 <= main__y && main__x <= 90) && 90 <= main__x) && main__y <= 90)) || (((main__y <= 69 && 69 <= main__x) && 69 <= main__y) && main__x <= 69)) || (((main__y <= 93 && 93 <= main__x) && 93 <= main__y) && main__x <= 93)) || (((87 <= main__y && 87 <= main__x) && main__x <= 87) && main__y <= 87)) || (((81 <= main__x && 81 <= main__y) && main__y <= 81) && main__x <= 81)) || (((main__y <= 85 && main__x <= 85) && 85 <= main__y) && 85 <= main__x)) || (((68 <= main__y && main__x <= 68) && 68 <= main__x) && main__y <= 68)) || (((79 <= main__x && 79 <= main__y) && main__x <= 79) && main__y <= 79)) || (((94 <= main__x && main__x <= 94) && 94 <= main__y) && main__y <= 94)) || (((main__x <= 95 && 95 <= main__x) && main__y <= 95) && 95 <= main__y)) || (((main__y <= 84 && 84 <= main__y) && 84 <= main__x) && main__x <= 84)) || (((83 <= main__x && main__y <= 83) && 83 <= main__y) && main__x <= 83)) || (((main__x <= 67 && 67 <= main__y) && 67 <= main__x) && main__y <= 67)) || (((89 <= main__x && 89 <= main__y) && main__y <= 89) && main__x <= 89)) || ((100 <= main__x && main__y <= 100) && 100 <= main__y)) || (((92 <= main__y && main__y <= 92) && 92 <= main__x) && main__x <= 92)) || (((72 <= main__y && 72 <= main__x) && main__x <= 72) && main__y <= 72)) || (((main__y <= 97 && 97 <= main__x) && main__x <= 97) && 97 <= main__y)) || (((74 <= main__y && main__y <= 74) && 74 <= main__x) && main__x <= 74)) || (((main__x <= 96 && 96 <= main__y) && main__y <= 96) && 96 <= main__x)) || (((78 <= main__x && main__x <= 78) && 78 <= main__y) && main__y <= 78)) || (((80 <= main__y && 80 <= main__x) && main__x <= 80) && main__y <= 80) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((3 <= main__x && 50 <= main__y) && main__x <= 3) && main__y <= 50 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((main__x <= 28 && 50 <= main__y) && 28 <= main__x) && main__y <= 50 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((60 <= main__y && main__x <= 60) && 60 <= main__x) && main__y <= 60 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((main__x <= 45 && 50 <= main__y) && 45 <= main__x) && main__y <= 50 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((50 <= main__y && main__x <= 13) && main__y <= 50) && 13 <= main__x - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((main__x <= 38 && 38 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((6 <= main__x && 50 <= main__y) && main__x <= 6) && main__y <= 50 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((main__x <= 31 && 50 <= main__y) && main__y <= 50) && 31 <= main__x - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: ((main__x <= 63 && main__y <= 63) && 63 <= main__x) && 63 <= main__y - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((24 <= main__x && 50 <= main__y) && main__x <= 24) && main__y <= 50 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((56 <= main__y && main__x <= 56) && 56 <= main__x) && main__y <= 56 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: ((41 <= main__x && main__x <= 41) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((9 <= main__x && 50 <= main__y) && main__x <= 9) && main__y <= 50 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: ((50 <= main__y && main__x <= 34) && main__y <= 50) && 34 <= main__x - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((main__y <= 66 && 66 <= main__y) && main__x <= 66) && 66 <= main__x - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((main__x <= 2 && 50 <= main__y) && 2 <= main__x) && main__y <= 50 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((main__x <= 27 && 27 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((59 <= main__y && main__y <= 59) && main__x <= 59) && 59 <= main__x - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((52 <= main__y && 52 <= main__x) && main__y <= 52) && main__x <= 52 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((main__x <= 20 && 20 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((37 <= main__x && 50 <= main__y) && main__x <= 37) && main__y <= 50 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((main__x <= 5 && 50 <= main__y) && 5 <= main__x) && main__y <= 50 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((main__x <= 30 && 30 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: ((62 <= main__x && main__x <= 62) && 62 <= main__y) && main__y <= 62 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((main__x <= 23 && 50 <= main__y) && 23 <= main__x) && main__y <= 50 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((main__x <= 55 && 55 <= main__x) && 55 <= main__y) && main__y <= 55 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: ((48 <= main__x && 50 <= main__y) && main__x <= 48) && main__y <= 50 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((16 <= main__x && main__x <= 16) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((main__x <= 33 && 50 <= main__y) && 33 <= main__x) && main__y <= 50 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((main__y <= 65 && 65 <= main__x) && 65 <= main__y) && main__x <= 65 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((1 <= main__x && main__x <= 1) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((main__x <= 26 && 26 <= main__x) && 50 <= main__y) && main__y <= 50 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: ((main__y <= 58 && 58 <= main__x) && main__x <= 58) && 58 <= main__y - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((51 <= main__x && 51 <= main__y) && main__x <= 51) && main__y <= 51 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: ((main__x <= 19 && 50 <= main__y) && 19 <= main__x) && main__y <= 50 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: ((main__x <= 44 && 50 <= main__y) && 44 <= main__x) && main__y <= 50 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: ((main__x <= 12 && 50 <= main__y) && 12 <= main__x) && main__y <= 50 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 1 error locations. SAFE Result, 116.1s OverallTime, 35 OverallIterations, 34 TraceHistogramMax, 63.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3089 SDtfs, 4889 SDslu, 10334 SDs, 0 SdLazy, 84072 SolverSat, 4829 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3037 GetRequests, 1482 SyntacticMatches, 2 SemanticMatches, 1553 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35500 ImplicationChecksByTransitivity, 44.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 35 MinimizatonAttempts, 13 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 169 NumberOfFragments, 1299 HoareAnnotationTreeSize, 68 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 68 FomulaSimplificationsInter, 444 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 46.9s InterpolantComputationTime, 7258 NumberOfCodeBlocks, 7258 NumberOfCodeBlocksAsserted, 152 NumberOfCheckSat, 7212 ConstructedInterpolants, 0 QuantifiedInterpolants, 2845336 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4708 ConjunctsInSsa, 963 ConjunctsInUnsatCore, 46 InterpolantComputations, 24 PerfectInterpolantSequences, 1160/10268 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...