java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:25:12,408 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:25:12,411 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:25:12,429 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:25:12,430 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:25:12,431 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:25:12,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:25:12,435 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:25:12,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:25:12,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:25:12,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:25:12,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:25:12,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:25:12,450 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:25:12,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:25:12,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:25:12,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:25:12,458 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:25:12,465 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:25:12,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:25:12,472 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:25:12,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:25:12,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:25:12,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:25:12,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:25:12,482 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:25:12,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:25:12,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:25:12,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:25:12,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:25:12,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:25:12,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 16:25:12,489 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 16:25:12,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 16:25:12,492 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 16:25:12,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 16:25:12,493 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:25:12,515 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:25:12,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:25:12,516 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:25:12,517 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:25:12,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:25:12,518 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:25:12,518 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:25:12,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:25:12,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:25:12,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:25:12,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:25:12,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:25:12,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:25:12,519 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:25:12,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:25:12,520 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:25:12,520 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:25:12,520 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:25:12,520 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:25:12,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:25:12,521 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:25:12,521 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:25:12,521 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:25:12,521 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:25:12,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:25:12,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:25:12,522 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:25:12,522 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:25:12,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:25:12,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:25:12,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:25:12,592 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:25:12,592 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:25:12,593 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-10-24 16:25:12,661 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2113bd1f6/2350e441dc724086893d6e57b13ca4fe/FLAG0745d350a [2018-10-24 16:25:13,488 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:25:13,489 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label49_true-unreach-call.c [2018-10-24 16:25:13,524 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2113bd1f6/2350e441dc724086893d6e57b13ca4fe/FLAG0745d350a [2018-10-24 16:25:13,541 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2113bd1f6/2350e441dc724086893d6e57b13ca4fe [2018-10-24 16:25:13,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:25:13,556 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:25:13,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:25:13,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:25:13,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:25:13,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:25:13" (1/1) ... [2018-10-24 16:25:13,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cb433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:13, skipping insertion in model container [2018-10-24 16:25:13,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:25:13" (1/1) ... [2018-10-24 16:25:13,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:25:13,796 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:25:15,493 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:25:15,498 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:25:16,269 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:25:16,311 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:25:16,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16 WrapperNode [2018-10-24 16:25:16,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:25:16,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:25:16,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:25:16,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:25:16,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:16,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:25:17,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:25:17,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:25:17,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:25:17,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... [2018-10-24 16:25:17,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:25:17,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:25:17,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:25:17,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:25:17,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:25:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:25:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:25:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:25:33,813 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:25:33,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:25:33 BoogieIcfgContainer [2018-10-24 16:25:33,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:25:33,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:25:33,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:25:33,818 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:25:33,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:25:13" (1/3) ... [2018-10-24 16:25:33,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c8acb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:25:33, skipping insertion in model container [2018-10-24 16:25:33,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:25:16" (2/3) ... [2018-10-24 16:25:33,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c8acb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:25:33, skipping insertion in model container [2018-10-24 16:25:33,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:25:33" (3/3) ... [2018-10-24 16:25:33,822 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label49_true-unreach-call.c [2018-10-24 16:25:33,832 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:25:33,842 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:25:33,859 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:25:33,914 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:25:33,915 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:25:33,915 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:25:33,916 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:25:33,916 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:25:33,916 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:25:33,916 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:25:33,916 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:25:33,916 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:25:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-10-24 16:25:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-24 16:25:33,984 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:25:33,985 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] [2018-10-24 16:25:33,988 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:25:33,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:25:33,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1281577798, now seen corresponding path program 1 times [2018-10-24 16:25:33,997 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:25:33,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:25:34,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:34,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:34,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:25:34,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:25:34,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:25:34,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:25:34,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:25:34,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:25:34,562 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 4 states. [2018-10-24 16:25:52,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:25:52,981 INFO L93 Difference]: Finished difference Result 3991 states and 7504 transitions. [2018-10-24 16:25:52,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:25:52,984 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-10-24 16:25:52,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:25:53,033 INFO L225 Difference]: With dead ends: 3991 [2018-10-24 16:25:53,034 INFO L226 Difference]: Without dead ends: 2885 [2018-10-24 16:25:53,045 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:25:53,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2018-10-24 16:25:53,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 1946. [2018-10-24 16:25:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2018-10-24 16:25:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 3412 transitions. [2018-10-24 16:25:53,233 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 3412 transitions. Word has length 59 [2018-10-24 16:25:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:25:53,234 INFO L481 AbstractCegarLoop]: Abstraction has 1946 states and 3412 transitions. [2018-10-24 16:25:53,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:25:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3412 transitions. [2018-10-24 16:25:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 16:25:53,244 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:25:53,245 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:25:53,245 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:25:53,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:25:53,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1396402041, now seen corresponding path program 1 times [2018-10-24 16:25:53,247 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:25:53,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:25:53,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:53,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:25:53,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:25:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:25:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:25:53,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:25:53,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:25:53,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:25:53,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:25:53,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:25:53,491 INFO L87 Difference]: Start difference. First operand 1946 states and 3412 transitions. Second operand 4 states. [2018-10-24 16:26:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:26:13,335 INFO L93 Difference]: Finished difference Result 7107 states and 12745 transitions. [2018-10-24 16:26:13,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:26:13,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-10-24 16:26:13,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:26:13,365 INFO L225 Difference]: With dead ends: 7107 [2018-10-24 16:26:13,365 INFO L226 Difference]: Without dead ends: 5163 [2018-10-24 16:26:13,370 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:26:13,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5163 states. [2018-10-24 16:26:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5163 to 5141. [2018-10-24 16:26:13,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5141 states. [2018-10-24 16:26:13,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 8063 transitions. [2018-10-24 16:26:13,469 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 8063 transitions. Word has length 126 [2018-10-24 16:26:13,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:26:13,469 INFO L481 AbstractCegarLoop]: Abstraction has 5141 states and 8063 transitions. [2018-10-24 16:26:13,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:26:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 8063 transitions. [2018-10-24 16:26:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-24 16:26:13,480 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:26:13,481 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:26:13,481 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:26:13,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:26:13,481 INFO L82 PathProgramCache]: Analyzing trace with hash -475148071, now seen corresponding path program 1 times [2018-10-24 16:26:13,481 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:26:13,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:26:13,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:13,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:13,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:26:13,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:26:13,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:26:13,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:26:13,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:26:13,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:26:13,760 INFO L87 Difference]: Start difference. First operand 5141 states and 8063 transitions. Second operand 4 states. [2018-10-24 16:26:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:26:26,175 INFO L93 Difference]: Finished difference Result 13480 states and 21596 transitions. [2018-10-24 16:26:26,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:26:26,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-10-24 16:26:26,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:26:26,216 INFO L225 Difference]: With dead ends: 13480 [2018-10-24 16:26:26,217 INFO L226 Difference]: Without dead ends: 8341 [2018-10-24 16:26:26,225 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:26:26,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8341 states. [2018-10-24 16:26:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8341 to 8306. [2018-10-24 16:26:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8306 states. [2018-10-24 16:26:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8306 states to 8306 states and 12291 transitions. [2018-10-24 16:26:26,375 INFO L78 Accepts]: Start accepts. Automaton has 8306 states and 12291 transitions. Word has length 156 [2018-10-24 16:26:26,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:26:26,376 INFO L481 AbstractCegarLoop]: Abstraction has 8306 states and 12291 transitions. [2018-10-24 16:26:26,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:26:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 8306 states and 12291 transitions. [2018-10-24 16:26:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-24 16:26:26,379 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:26:26,380 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:26:26,380 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:26:26,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:26:26,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1043698077, now seen corresponding path program 1 times [2018-10-24 16:26:26,381 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:26:26,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:26:26,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:26,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:26,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:26:26,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:26:26,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:26:26,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:26:26,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:26:26,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:26:26,702 INFO L87 Difference]: Start difference. First operand 8306 states and 12291 transitions. Second operand 4 states. [2018-10-24 16:26:37,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:26:37,929 INFO L93 Difference]: Finished difference Result 32419 states and 48135 transitions. [2018-10-24 16:26:37,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:26:37,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2018-10-24 16:26:37,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:26:38,003 INFO L225 Difference]: With dead ends: 32419 [2018-10-24 16:26:38,003 INFO L226 Difference]: Without dead ends: 24115 [2018-10-24 16:26:38,020 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:26:38,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24115 states. [2018-10-24 16:26:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24115 to 24106. [2018-10-24 16:26:38,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24106 states. [2018-10-24 16:26:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24106 states to 24106 states and 33018 transitions. [2018-10-24 16:26:38,364 INFO L78 Accepts]: Start accepts. Automaton has 24106 states and 33018 transitions. Word has length 160 [2018-10-24 16:26:38,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:26:38,365 INFO L481 AbstractCegarLoop]: Abstraction has 24106 states and 33018 transitions. [2018-10-24 16:26:38,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:26:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24106 states and 33018 transitions. [2018-10-24 16:26:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-24 16:26:38,370 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:26:38,371 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:26:38,371 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:26:38,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:26:38,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1354219912, now seen corresponding path program 1 times [2018-10-24 16:26:38,372 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:26:38,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:26:38,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:38,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:38,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-24 16:26:38,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:26:38,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:26:38,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:26:38,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:26:38,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:26:38,988 INFO L87 Difference]: Start difference. First operand 24106 states and 33018 transitions. Second operand 5 states. [2018-10-24 16:26:50,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:26:50,829 INFO L93 Difference]: Finished difference Result 55348 states and 74217 transitions. [2018-10-24 16:26:50,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:26:50,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2018-10-24 16:26:50,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:26:50,893 INFO L225 Difference]: With dead ends: 55348 [2018-10-24 16:26:50,894 INFO L226 Difference]: Without dead ends: 31244 [2018-10-24 16:26:50,927 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:26:50,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31244 states. [2018-10-24 16:26:51,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31244 to 30418. [2018-10-24 16:26:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30418 states. [2018-10-24 16:26:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30418 states to 30418 states and 39945 transitions. [2018-10-24 16:26:51,345 INFO L78 Accepts]: Start accepts. Automaton has 30418 states and 39945 transitions. Word has length 223 [2018-10-24 16:26:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:26:51,345 INFO L481 AbstractCegarLoop]: Abstraction has 30418 states and 39945 transitions. [2018-10-24 16:26:51,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:26:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30418 states and 39945 transitions. [2018-10-24 16:26:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-10-24 16:26:51,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:26:51,356 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:26:51,356 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:26:51,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:26:51,357 INFO L82 PathProgramCache]: Analyzing trace with hash -40276901, now seen corresponding path program 1 times [2018-10-24 16:26:51,357 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:26:51,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:26:51,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:51,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:51,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:26:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:51,816 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-24 16:26:52,597 WARN L179 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-10-24 16:26:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 274 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-24 16:26:53,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:26:53,076 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:26:53,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:26:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:26:53,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:26:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-24 16:26:53,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:26:53,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2018-10-24 16:26:53,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:26:53,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:26:53,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:26:53,412 INFO L87 Difference]: Start difference. First operand 30418 states and 39945 transitions. Second operand 6 states. [2018-10-24 16:27:10,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:27:10,428 INFO L93 Difference]: Finished difference Result 149864 states and 196943 transitions. [2018-10-24 16:27:10,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:27:10,428 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 296 [2018-10-24 16:27:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:27:10,655 INFO L225 Difference]: With dead ends: 149864 [2018-10-24 16:27:10,655 INFO L226 Difference]: Without dead ends: 119448 [2018-10-24 16:27:10,718 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:27:10,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119448 states. [2018-10-24 16:27:12,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119448 to 117079. [2018-10-24 16:27:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117079 states. [2018-10-24 16:27:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117079 states to 117079 states and 136744 transitions. [2018-10-24 16:27:12,367 INFO L78 Accepts]: Start accepts. Automaton has 117079 states and 136744 transitions. Word has length 296 [2018-10-24 16:27:12,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:27:12,367 INFO L481 AbstractCegarLoop]: Abstraction has 117079 states and 136744 transitions. [2018-10-24 16:27:12,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:27:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 117079 states and 136744 transitions. [2018-10-24 16:27:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2018-10-24 16:27:12,398 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:27:12,399 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:27:12,399 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:27:12,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:27:12,399 INFO L82 PathProgramCache]: Analyzing trace with hash 341673552, now seen corresponding path program 1 times [2018-10-24 16:27:12,400 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:27:12,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:27:12,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:12,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:27:12,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:27:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-24 16:27:13,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:27:13,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:27:13,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:27:13,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:27:13,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:27:13,841 INFO L87 Difference]: Start difference. First operand 117079 states and 136744 transitions. Second operand 5 states. [2018-10-24 16:27:34,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:27:34,459 INFO L93 Difference]: Finished difference Result 355595 states and 415006 transitions. [2018-10-24 16:27:34,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:27:34,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 465 [2018-10-24 16:27:34,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:27:34,774 INFO L225 Difference]: With dead ends: 355595 [2018-10-24 16:27:34,774 INFO L226 Difference]: Without dead ends: 239306 [2018-10-24 16:27:34,857 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:27:35,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239306 states. [2018-10-24 16:27:37,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239306 to 236140. [2018-10-24 16:27:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236140 states. [2018-10-24 16:27:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236140 states to 236140 states and 265602 transitions. [2018-10-24 16:27:37,303 INFO L78 Accepts]: Start accepts. Automaton has 236140 states and 265602 transitions. Word has length 465 [2018-10-24 16:27:37,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:27:37,303 INFO L481 AbstractCegarLoop]: Abstraction has 236140 states and 265602 transitions. [2018-10-24 16:27:37,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:27:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 236140 states and 265602 transitions. [2018-10-24 16:27:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2018-10-24 16:27:37,351 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:27:37,352 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:27:37,352 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:27:37,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:27:37,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1845717652, now seen corresponding path program 1 times [2018-10-24 16:27:37,353 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:27:37,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:27:37,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:37,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:27:37,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:27:37,798 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 7 [2018-10-24 16:27:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-24 16:27:38,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:27:38,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:27:38,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:27:38,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:27:38,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:27:38,068 INFO L87 Difference]: Start difference. First operand 236140 states and 265602 transitions. Second operand 4 states. [2018-10-24 16:27:48,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:27:48,030 INFO L93 Difference]: Finished difference Result 488037 states and 548541 transitions. [2018-10-24 16:27:48,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:27:48,031 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 534 [2018-10-24 16:27:48,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:27:48,380 INFO L225 Difference]: With dead ends: 488037 [2018-10-24 16:27:48,380 INFO L226 Difference]: Without dead ends: 234512 [2018-10-24 16:27:48,550 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:27:48,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234512 states. [2018-10-24 16:27:51,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234512 to 216365. [2018-10-24 16:27:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216365 states. [2018-10-24 16:27:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216365 states to 216365 states and 239614 transitions. [2018-10-24 16:27:51,669 INFO L78 Accepts]: Start accepts. Automaton has 216365 states and 239614 transitions. Word has length 534 [2018-10-24 16:27:51,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:27:51,670 INFO L481 AbstractCegarLoop]: Abstraction has 216365 states and 239614 transitions. [2018-10-24 16:27:51,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:27:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 216365 states and 239614 transitions. [2018-10-24 16:27:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2018-10-24 16:27:51,695 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:27:51,696 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:27:51,696 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:27:51,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:27:51,697 INFO L82 PathProgramCache]: Analyzing trace with hash 3769002, now seen corresponding path program 1 times [2018-10-24 16:27:51,697 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:27:51,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:27:51,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:51,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:27:51,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:27:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-24 16:27:52,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:27:52,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:27:52,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:27:52,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:27:52,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:27:52,103 INFO L87 Difference]: Start difference. First operand 216365 states and 239614 transitions. Second operand 5 states. [2018-10-24 16:28:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:17,891 INFO L93 Difference]: Finished difference Result 582773 states and 649613 transitions. [2018-10-24 16:28:17,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:28:17,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 560 [2018-10-24 16:28:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:18,400 INFO L225 Difference]: With dead ends: 582773 [2018-10-24 16:28:18,400 INFO L226 Difference]: Without dead ends: 365618 [2018-10-24 16:28:18,526 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:28:18,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365618 states. [2018-10-24 16:28:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365618 to 348056. [2018-10-24 16:28:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348056 states. [2018-10-24 16:28:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348056 states to 348056 states and 384575 transitions. [2018-10-24 16:28:33,408 INFO L78 Accepts]: Start accepts. Automaton has 348056 states and 384575 transitions. Word has length 560 [2018-10-24 16:28:33,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:33,408 INFO L481 AbstractCegarLoop]: Abstraction has 348056 states and 384575 transitions. [2018-10-24 16:28:33,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:28:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 348056 states and 384575 transitions. [2018-10-24 16:28:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2018-10-24 16:28:33,429 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:33,430 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:28:33,430 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:33,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:33,434 INFO L82 PathProgramCache]: Analyzing trace with hash 850010646, now seen corresponding path program 1 times [2018-10-24 16:28:33,434 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:33,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:33,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:33,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:33,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 471 proven. 8 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-10-24 16:28:34,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:28:34,069 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-24 16:28:34,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 16:28:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:34,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:28:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2018-10-24 16:28:34,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:28:34,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-10-24 16:28:34,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:28:34,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:28:34,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:28:34,550 INFO L87 Difference]: Start difference. First operand 348056 states and 384575 transitions. Second operand 5 states. [2018-10-24 16:28:48,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:48,390 INFO L93 Difference]: Finished difference Result 719738 states and 797203 transitions. [2018-10-24 16:28:48,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:28:48,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 595 [2018-10-24 16:28:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:48,852 INFO L225 Difference]: With dead ends: 719738 [2018-10-24 16:28:48,853 INFO L226 Difference]: Without dead ends: 366913 [2018-10-24 16:28:48,998 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:28:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366913 states. [2018-10-24 16:28:52,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366913 to 340888. [2018-10-24 16:28:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340888 states. [2018-10-24 16:28:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340888 states to 340888 states and 367138 transitions. [2018-10-24 16:28:53,979 INFO L78 Accepts]: Start accepts. Automaton has 340888 states and 367138 transitions. Word has length 595 [2018-10-24 16:28:53,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:53,980 INFO L481 AbstractCegarLoop]: Abstraction has 340888 states and 367138 transitions. [2018-10-24 16:28:53,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:28:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 340888 states and 367138 transitions. [2018-10-24 16:28:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2018-10-24 16:28:54,008 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:54,009 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:28:54,009 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:54,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:54,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1814761810, now seen corresponding path program 1 times [2018-10-24 16:28:54,010 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:54,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:54,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:54,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:54,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:54,487 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 Received shutdown request... [2018-10-24 16:28:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1133 backedges. 913 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-24 16:28:55,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:28:55,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:28:55,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:28:55,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:28:55,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:28:55,456 INFO L87 Difference]: Start difference. First operand 340888 states and 367138 transitions. Second operand 4 states. [2018-10-24 16:28:55,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 16:28:55,457 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 16:28:55,462 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 16:28:55,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:28:55 BoogieIcfgContainer [2018-10-24 16:28:55,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:28:55,463 INFO L168 Benchmark]: Toolchain (without parser) took 221908.78 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -373.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-24 16:28:55,464 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 16:28:55,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2755.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:28:55,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 948.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.6 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -985.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:28:55,467 INFO L168 Benchmark]: Boogie Preprocessor took 440.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2018-10-24 16:28:55,467 INFO L168 Benchmark]: RCFGBuilder took 16111.98 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 269.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -32.5 MB). Peak memory consumption was 638.5 MB. Max. memory is 7.1 GB. [2018-10-24 16:28:55,468 INFO L168 Benchmark]: TraceAbstraction took 201647.41 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 341.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 16:28:55,478 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 2755.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 948.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.6 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -985.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 440.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16111.98 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 269.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -32.5 MB). Peak memory consumption was 638.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 201647.41 ms. Allocated memory was 2.6 GB in the beginning and 4.2 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 341.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (340888states) and FLOYD_HOARE automaton (currently 2 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 201.5s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 163.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7751 SDtfs, 29312 SDslu, 3734 SDs, 0 SdLazy, 59459 SolverSat, 14146 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 133.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 935 GetRequests, 901 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348056occurred in iteration=9, 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: 28.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 69100 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 4823 NumberOfCodeBlocks, 4823 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 4810 ConstructedInterpolants, 0 QuantifiedInterpolants, 5555586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1168 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 5358/5370 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown