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/Problem01_label42_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:55:46,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:55:46,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:55:46,385 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:55:46,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:55:46,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:55:46,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:55:46,389 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:55:46,391 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:55:46,392 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:55:46,393 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:55:46,393 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:55:46,394 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:55:46,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:55:46,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:55:46,397 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:55:46,398 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:55:46,399 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:55:46,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:55:46,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:55:46,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:55:46,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:55:46,408 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:55:46,408 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:55:46,408 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:55:46,409 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:55:46,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:55:46,411 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:55:46,412 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:55:46,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:55:46,413 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:55:46,414 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:55:46,414 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:55:46,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:55:46,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:55:46,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:55:46,417 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 [2018-10-26 19:55:46,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:55:46,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:55:46,433 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:55:46,433 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:55:46,433 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:55:46,434 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:55:46,434 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 19:55:46,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:55:46,435 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:55:46,435 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:55:46,435 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:55:46,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:55:46,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:55:46,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:55:46,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:55:46,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:55:46,436 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:55:46,437 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:55:46,437 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:55:46,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:55:46,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:55:46,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:55:46,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:55:46,438 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 19:55:46,438 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:55:46,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:55:46,438 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:55:46,438 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:55:46,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:55:46,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:55:46,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:55:46,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:55:46,522 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:55:46,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-10-26 19:55:46,590 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be6bf7430/fede3cbd53184ced843571651b682b64/FLAGd3f590412 [2018-10-26 19:55:47,200 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:55:47,201 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-10-26 19:55:47,221 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be6bf7430/fede3cbd53184ced843571651b682b64/FLAGd3f590412 [2018-10-26 19:55:47,236 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/be6bf7430/fede3cbd53184ced843571651b682b64 [2018-10-26 19:55:47,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:55:47,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 19:55:47,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:47,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:55:47,259 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:55:47,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:47" (1/1) ... [2018-10-26 19:55:47,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35682b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:47, skipping insertion in model container [2018-10-26 19:55:47,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:55:47" (1/1) ... [2018-10-26 19:55:47,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:55:47,347 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:55:47,835 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:47,840 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:55:47,972 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:55:48,004 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:55:48,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48 WrapperNode [2018-10-26 19:55:48,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:55:48,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:48,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:55:48,006 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:55:48,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:55:48,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:55:48,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:55:48,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:55:48,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (1/1) ... [2018-10-26 19:55:48,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:55:48,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:55:48,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:55:48,333 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:55:48,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (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 [2018-10-26 19:55:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:55:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:55:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:55:51,772 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:55:51,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:55:51 BoogieIcfgContainer [2018-10-26 19:55:51,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:55:51,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:55:51,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:55:51,781 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:55:51,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:55:47" (1/3) ... [2018-10-26 19:55:51,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9b6c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:55:51, skipping insertion in model container [2018-10-26 19:55:51,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:55:48" (2/3) ... [2018-10-26 19:55:51,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9b6c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:55:51, skipping insertion in model container [2018-10-26 19:55:51,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:55:51" (3/3) ... [2018-10-26 19:55:51,787 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label42_true-unreach-call_false-termination.c [2018-10-26 19:55:51,799 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:55:51,812 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:55:51,833 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:55:51,875 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:55:51,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:55:51,877 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:55:51,877 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:55:51,877 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:55:51,878 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:55:51,878 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:55:51,879 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:55:51,879 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:55:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-26 19:55:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 19:55:51,921 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:51,922 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] [2018-10-26 19:55:51,925 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:51,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:51,932 INFO L82 PathProgramCache]: Analyzing trace with hash -136202145, now seen corresponding path program 1 times [2018-10-26 19:55:51,934 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:51,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:51,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:51,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:51,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:55:52,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:52,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:55:52,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:55:52,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:55:52,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:52,506 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2018-10-26 19:55:54,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:54,180 INFO L93 Difference]: Finished difference Result 531 states and 918 transitions. [2018-10-26 19:55:54,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:54,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-10-26 19:55:54,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:54,202 INFO L225 Difference]: With dead ends: 531 [2018-10-26 19:55:54,203 INFO L226 Difference]: Without dead ends: 328 [2018-10-26 19:55:54,208 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:54,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-10-26 19:55:54,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-10-26 19:55:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-26 19:55:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 527 transitions. [2018-10-26 19:55:54,295 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 527 transitions. Word has length 116 [2018-10-26 19:55:54,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:54,296 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 527 transitions. [2018-10-26 19:55:54,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:55:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 527 transitions. [2018-10-26 19:55:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 19:55:54,302 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:54,302 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 19:55:54,303 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:54,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:54,303 INFO L82 PathProgramCache]: Analyzing trace with hash -93842505, now seen corresponding path program 1 times [2018-10-26 19:55:54,303 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:54,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:54,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:54,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:54,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:55:54,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:54,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:55:54,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:54,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:54,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:54,658 INFO L87 Difference]: Start difference. First operand 328 states and 527 transitions. Second operand 4 states. [2018-10-26 19:55:56,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:56,438 INFO L93 Difference]: Finished difference Result 1182 states and 1980 transitions. [2018-10-26 19:55:56,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:55:56,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-10-26 19:55:56,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:56,449 INFO L225 Difference]: With dead ends: 1182 [2018-10-26 19:55:56,449 INFO L226 Difference]: Without dead ends: 856 [2018-10-26 19:55:56,453 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:56,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-26 19:55:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2018-10-26 19:55:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2018-10-26 19:55:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1275 transitions. [2018-10-26 19:55:56,503 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1275 transitions. Word has length 121 [2018-10-26 19:55:56,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:56,504 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1275 transitions. [2018-10-26 19:55:56,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:55:56,504 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1275 transitions. [2018-10-26 19:55:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 19:55:56,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:56,513 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:55:56,514 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:56,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:56,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1968627861, now seen corresponding path program 1 times [2018-10-26 19:55:56,514 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:56,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:56,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:56,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:56,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:55:56,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:56,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:55:56,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:55:56,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:55:56,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:56,649 INFO L87 Difference]: Start difference. First operand 856 states and 1275 transitions. Second operand 3 states. [2018-10-26 19:55:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:55:58,870 INFO L93 Difference]: Finished difference Result 1974 states and 3012 transitions. [2018-10-26 19:55:58,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:55:58,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-10-26 19:55:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:55:58,877 INFO L225 Difference]: With dead ends: 1974 [2018-10-26 19:55:58,877 INFO L226 Difference]: Without dead ends: 1120 [2018-10-26 19:55:58,882 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:55:58,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2018-10-26 19:55:58,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1120. [2018-10-26 19:55:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2018-10-26 19:55:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1703 transitions. [2018-10-26 19:55:58,921 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1703 transitions. Word has length 152 [2018-10-26 19:55:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:55:58,921 INFO L481 AbstractCegarLoop]: Abstraction has 1120 states and 1703 transitions. [2018-10-26 19:55:58,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:55:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1703 transitions. [2018-10-26 19:55:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 19:55:58,927 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:55:58,927 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:55:58,928 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:55:58,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:55:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash 525694411, now seen corresponding path program 1 times [2018-10-26 19:55:58,928 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:55:58,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:55:58,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:58,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:55:58,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:55:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:59,264 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 19:55:59,483 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-10-26 19:55:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:55:59,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:55:59,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:55:59,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:55:59,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:55:59,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:55:59,512 INFO L87 Difference]: Start difference. First operand 1120 states and 1703 transitions. Second operand 4 states. [2018-10-26 19:56:01,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:01,156 INFO L93 Difference]: Finished difference Result 2373 states and 3570 transitions. [2018-10-26 19:56:01,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:01,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2018-10-26 19:56:01,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:01,165 INFO L225 Difference]: With dead ends: 2373 [2018-10-26 19:56:01,166 INFO L226 Difference]: Without dead ends: 1255 [2018-10-26 19:56:01,168 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:56:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2018-10-26 19:56:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1252. [2018-10-26 19:56:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1252 states. [2018-10-26 19:56:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1841 transitions. [2018-10-26 19:56:01,196 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1841 transitions. Word has length 156 [2018-10-26 19:56:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:01,196 INFO L481 AbstractCegarLoop]: Abstraction has 1252 states and 1841 transitions. [2018-10-26 19:56:01,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1841 transitions. [2018-10-26 19:56:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 19:56:01,200 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:01,201 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:01,201 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:01,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:01,202 INFO L82 PathProgramCache]: Analyzing trace with hash -365717213, now seen corresponding path program 1 times [2018-10-26 19:56:01,202 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:01,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:01,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:01,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:01,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 19:56:01,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:01,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:56:01,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:56:01,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:56:01,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:01,354 INFO L87 Difference]: Start difference. First operand 1252 states and 1841 transitions. Second operand 3 states. [2018-10-26 19:56:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:02,126 INFO L93 Difference]: Finished difference Result 3162 states and 4718 transitions. [2018-10-26 19:56:02,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:02,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-10-26 19:56:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:02,137 INFO L225 Difference]: With dead ends: 3162 [2018-10-26 19:56:02,138 INFO L226 Difference]: Without dead ends: 2044 [2018-10-26 19:56:02,140 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:02,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2018-10-26 19:56:02,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 2044. [2018-10-26 19:56:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2044 states. [2018-10-26 19:56:02,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 2828 transitions. [2018-10-26 19:56:02,179 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 2828 transitions. Word has length 161 [2018-10-26 19:56:02,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:02,180 INFO L481 AbstractCegarLoop]: Abstraction has 2044 states and 2828 transitions. [2018-10-26 19:56:02,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:56:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2828 transitions. [2018-10-26 19:56:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 19:56:02,185 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:02,185 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:02,185 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:02,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:02,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1745663186, now seen corresponding path program 1 times [2018-10-26 19:56:02,186 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:02,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:02,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:02,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:02,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:02,435 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 19:56:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:56:02,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:02,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 19:56:02,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:02,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:02,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:02,472 INFO L87 Difference]: Start difference. First operand 2044 states and 2828 transitions. Second operand 4 states. [2018-10-26 19:56:04,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:04,205 INFO L93 Difference]: Finished difference Result 6850 states and 9424 transitions. [2018-10-26 19:56:04,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:04,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 171 [2018-10-26 19:56:04,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:04,230 INFO L225 Difference]: With dead ends: 6850 [2018-10-26 19:56:04,230 INFO L226 Difference]: Without dead ends: 4940 [2018-10-26 19:56:04,235 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:04,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2018-10-26 19:56:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4940. [2018-10-26 19:56:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4940 states. [2018-10-26 19:56:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4940 states to 4940 states and 6244 transitions. [2018-10-26 19:56:04,323 INFO L78 Accepts]: Start accepts. Automaton has 4940 states and 6244 transitions. Word has length 171 [2018-10-26 19:56:04,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:04,324 INFO L481 AbstractCegarLoop]: Abstraction has 4940 states and 6244 transitions. [2018-10-26 19:56:04,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4940 states and 6244 transitions. [2018-10-26 19:56:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 19:56:04,333 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:04,334 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:04,334 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:04,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:04,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1826193770, now seen corresponding path program 1 times [2018-10-26 19:56:04,335 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:04,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:04,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:04,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:04,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 19:56:04,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:04,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:04,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:04,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:04,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:04,583 INFO L87 Difference]: Start difference. First operand 4940 states and 6244 transitions. Second operand 4 states. [2018-10-26 19:56:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:05,711 INFO L93 Difference]: Finished difference Result 9878 states and 12543 transitions. [2018-10-26 19:56:05,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:56:05,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2018-10-26 19:56:05,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:05,734 INFO L225 Difference]: With dead ends: 9878 [2018-10-26 19:56:05,734 INFO L226 Difference]: Without dead ends: 5072 [2018-10-26 19:56:05,742 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 [2018-10-26 19:56:05,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2018-10-26 19:56:05,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5072. [2018-10-26 19:56:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5072 states. [2018-10-26 19:56:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 6332 transitions. [2018-10-26 19:56:05,850 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 6332 transitions. Word has length 195 [2018-10-26 19:56:05,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:05,851 INFO L481 AbstractCegarLoop]: Abstraction has 5072 states and 6332 transitions. [2018-10-26 19:56:05,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 6332 transitions. [2018-10-26 19:56:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:56:05,862 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:05,863 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:56:05,863 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:05,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:05,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1027716654, now seen corresponding path program 1 times [2018-10-26 19:56:05,864 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:05,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:05,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:05,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:05,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 19:56:06,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:56:06,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:56:06,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:56:06,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:56:06,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:56:06,065 INFO L87 Difference]: Start difference. First operand 5072 states and 6332 transitions. Second operand 3 states. [2018-10-26 19:56:07,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:07,073 INFO L93 Difference]: Finished difference Result 13572 states and 16935 transitions. [2018-10-26 19:56:07,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:07,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2018-10-26 19:56:07,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:07,091 INFO L225 Difference]: With dead ends: 13572 [2018-10-26 19:56:07,091 INFO L226 Difference]: Without dead ends: 5708 [2018-10-26 19:56:07,101 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 [2018-10-26 19:56:07,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5708 states. [2018-10-26 19:56:07,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5708 to 5576. [2018-10-26 19:56:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5576 states. [2018-10-26 19:56:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5576 states to 5576 states and 6174 transitions. [2018-10-26 19:56:07,187 INFO L78 Accepts]: Start accepts. Automaton has 5576 states and 6174 transitions. Word has length 198 [2018-10-26 19:56:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:07,187 INFO L481 AbstractCegarLoop]: Abstraction has 5576 states and 6174 transitions. [2018-10-26 19:56:07,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:56:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5576 states and 6174 transitions. [2018-10-26 19:56:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 19:56:07,198 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:56:07,198 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-26 19:56:07,199 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:56:07,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:07,199 INFO L82 PathProgramCache]: Analyzing trace with hash -675440445, now seen corresponding path program 1 times [2018-10-26 19:56:07,199 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 19:56:07,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 19:56:07,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:07,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:07,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:56:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:56:07,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:56:07,532 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 [2018-10-26 19:56:07,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:56:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:07,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:56:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 19:56:07,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 19:56:07,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2018-10-26 19:56:07,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 19:56:07,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 19:56:07,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:07,787 INFO L87 Difference]: Start difference. First operand 5576 states and 6174 transitions. Second operand 4 states. [2018-10-26 19:56:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:56:12,289 INFO L93 Difference]: Finished difference Result 10617 states and 11766 transitions. [2018-10-26 19:56:12,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:56:12,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 223 [2018-10-26 19:56:12,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:56:12,291 INFO L225 Difference]: With dead ends: 10617 [2018-10-26 19:56:12,291 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:56:12,300 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 19:56:12,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:56:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:56:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:56:12,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:56:12,301 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-10-26 19:56:12,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:56:12,302 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:56:12,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 19:56:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:56:12,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:56:12,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:56:14,166 WARN L179 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-10-26 19:56:14,876 WARN L179 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-10-26 19:56:14,878 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,879 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,880 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-26 19:56:14,881 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,882 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-26 19:56:14,883 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-26 19:56:14,884 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse4 (not (= 6 ~a16~0))) (.cse1 (<= ~a17~0 0)) (.cse6 (= ~a20~0 1)) (.cse0 (= ~a8~0 15)) (.cse5 (= ~a17~0 1)) (.cse3 (= ~a7~0 1)) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse1 .cse6) (and .cse4 .cse1 .cse2) (and .cse5 .cse2 .cse6) (and .cse0 .cse5 .cse2) (and .cse3 .cse2 (= ~a16~0 5)))) [2018-10-26 19:56:14,884 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,884 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,884 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,884 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-26 19:56:14,885 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-26 19:56:14,886 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-26 19:56:14,886 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-26 19:56:14,886 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-26 19:56:14,886 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-26 19:56:14,886 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-26 19:56:14,886 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-26 19:56:14,886 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-26 19:56:14,886 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-26 19:56:14,887 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,888 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-26 19:56:14,889 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-26 19:56:14,890 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse4 (not (= 6 ~a16~0))) (.cse1 (<= ~a17~0 0)) (.cse6 (= ~a20~0 1)) (.cse0 (= ~a8~0 15)) (.cse5 (= ~a17~0 1)) (.cse3 (= ~a7~0 1)) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse1 .cse6) (and .cse4 .cse1 .cse2) (and .cse5 .cse2 .cse6) (and .cse0 .cse5 .cse2) (and .cse3 .cse2 (= ~a16~0 5)))) [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-26 19:56:14,891 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,892 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-26 19:56:14,893 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-26 19:56:14,894 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,895 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-26 19:56:14,896 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-26 19:56:14,897 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-26 19:56:14,898 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-26 19:56:14,899 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-26 19:56:14,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:56:14 BoogieIcfgContainer [2018-10-26 19:56:14,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:56:14,920 INFO L168 Benchmark]: Toolchain (without parser) took 27667.32 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -568.1 MB). Peak memory consumption was 527.2 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:14,921 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. [2018-10-26 19:56:14,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:14,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:14,923 INFO L168 Benchmark]: Boogie Preprocessor took 89.92 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:14,924 INFO L168 Benchmark]: RCFGBuilder took 3443.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:14,925 INFO L168 Benchmark]: TraceAbstraction took 23141.61 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 359.1 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 88.1 MB). Peak memory consumption was 447.3 MB. Max. memory is 7.1 GB. [2018-10-26 19:56:14,931 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 750.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 236.81 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 736.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.92 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3443.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 106.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23141.61 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 359.1 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 88.1 MB). Peak memory consumption was 447.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 583]: Loop Invariant Derived loop invariant: (((((((a8 == 15 && a17 <= 0) && a21 == 1) || ((a7 == 1 && !(6 == a16)) && a17 == 1)) || ((a7 == 1 && a17 <= 0) && a20 == 1)) || ((!(6 == a16) && a17 <= 0) && a21 == 1)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || ((a8 == 15 && a17 == 1) && a21 == 1)) || ((a7 == 1 && a21 == 1) && a16 == 5) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((a8 == 15 && a17 <= 0) && a21 == 1) || ((a7 == 1 && !(6 == a16)) && a17 == 1)) || ((a7 == 1 && a17 <= 0) && a20 == 1)) || ((!(6 == a16) && a17 <= 0) && a21 == 1)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || ((a8 == 15 && a17 == 1) && a21 == 1)) || ((a7 == 1 && a21 == 1) && a16 == 5) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 23.0s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 16.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1406 SDtfs, 2015 SDslu, 456 SDs, 0 SdLazy, 4601 SolverSat, 1158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 234 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5576occurred in iteration=8, 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 135 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 147 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1721 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1716 NumberOfCodeBlocks, 1716 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1706 ConstructedInterpolants, 0 QuantifiedInterpolants, 657724 SizeOfPredicates, 1 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 847/852 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...