java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 20:25:57,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 20:25:57,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 20:25:57,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 20:25:57,334 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 20:25:57,335 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 20:25:57,336 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 20:25:57,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 20:25:57,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 20:25:57,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 20:25:57,341 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 20:25:57,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 20:25:57,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 20:25:57,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 20:25:57,350 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 20:25:57,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 20:25:57,352 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 20:25:57,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 20:25:57,357 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 20:25:57,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 20:25:57,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 20:25:57,362 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 20:25:57,364 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 20:25:57,372 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-23 20:25:57,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 20:25:57,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 20:25:57,392 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 20:25:57,392 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 20:25:57,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 20:25:57,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 20:25:57,396 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 20:25:57,396 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 20:25:57,396 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 20:25:57,397 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 20:25:57,397 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 20:25:57,397 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 20:25:57,397 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 20:25:57,397 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 20:25:57,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 20:25:57,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 20:25:57,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 20:25:57,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 20:25:57,399 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 20:25:57,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 20:25:57,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 20:25:57,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 20:25:57,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 20:25:57,400 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 20:25:57,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 20:25:57,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 20:25:57,400 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 20:25:57,400 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 20:25:57,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 20:25:57,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 20:25:57,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 20:25:57,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 20:25:57,483 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 20:25:57,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-10-23 20:25:57,548 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b2dd38043/487ebbb327a14dc7b16b852a0e2cda8d/FLAG278080e7f [2018-10-23 20:25:58,168 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 20:25:58,169 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-10-23 20:25:58,185 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b2dd38043/487ebbb327a14dc7b16b852a0e2cda8d/FLAG278080e7f [2018-10-23 20:25:58,201 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b2dd38043/487ebbb327a14dc7b16b852a0e2cda8d [2018-10-23 20:25:58,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 20:25:58,213 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 20:25:58,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 20:25:58,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 20:25:58,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 20:25:58,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:58,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1f76d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58, skipping insertion in model container [2018-10-23 20:25:58,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:58,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 20:25:58,291 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 20:25:58,755 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:25:58,760 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 20:25:58,906 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:25:58,924 INFO L193 MainTranslator]: Completed translation [2018-10-23 20:25:58,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58 WrapperNode [2018-10-23 20:25:58,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 20:25:58,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 20:25:58,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 20:25:58,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 20:25:58,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:58,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 20:25:59,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 20:25:59,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 20:25:59,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 20:25:59,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... [2018-10-23 20:25:59,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 20:25:59,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 20:25:59,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 20:25:59,268 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 20:25:59,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 20:25:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 20:25:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 20:25:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 20:26:03,353 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 20:26:03,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:26:03 BoogieIcfgContainer [2018-10-23 20:26:03,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 20:26:03,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 20:26:03,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 20:26:03,364 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 20:26:03,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:25:58" (1/3) ... [2018-10-23 20:26:03,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbca37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:26:03, skipping insertion in model container [2018-10-23 20:26:03,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:58" (2/3) ... [2018-10-23 20:26:03,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbca37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:26:03, skipping insertion in model container [2018-10-23 20:26:03,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:26:03" (3/3) ... [2018-10-23 20:26:03,370 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label24_true-unreach-call_false-termination.c [2018-10-23 20:26:03,381 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 20:26:03,399 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 20:26:03,419 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 20:26:03,475 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 20:26:03,476 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 20:26:03,476 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 20:26:03,476 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 20:26:03,476 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 20:26:03,478 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 20:26:03,478 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 20:26:03,479 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 20:26:03,479 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 20:26:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-23 20:26:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-23 20:26:03,530 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:03,532 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] [2018-10-23 20:26:03,534 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:03,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:03,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1057203130, now seen corresponding path program 1 times [2018-10-23 20:26:03,546 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:03,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:03,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:03,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:03,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:26:04,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:04,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:26:04,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:26:04,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:26:04,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:04,027 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-23 20:26:06,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:06,658 INFO L93 Difference]: Finished difference Result 854 states and 1562 transitions. [2018-10-23 20:26:06,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:26:06,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-10-23 20:26:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:06,684 INFO L225 Difference]: With dead ends: 854 [2018-10-23 20:26:06,685 INFO L226 Difference]: Without dead ends: 601 [2018-10-23 20:26:06,690 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 [2018-10-23 20:26:06,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2018-10-23 20:26:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2018-10-23 20:26:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2018-10-23 20:26:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 991 transitions. [2018-10-23 20:26:06,783 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 991 transitions. Word has length 42 [2018-10-23 20:26:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:06,784 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 991 transitions. [2018-10-23 20:26:06,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:26:06,784 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 991 transitions. [2018-10-23 20:26:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-23 20:26:06,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:06,793 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-10-23 20:26:06,793 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:06,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:06,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2017793738, now seen corresponding path program 1 times [2018-10-23 20:26:06,794 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:06,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:06,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:06,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:06,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:07,140 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-23 20:26:07,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:07,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:26:07,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:26:07,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:26:07,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:07,144 INFO L87 Difference]: Start difference. First operand 601 states and 991 transitions. Second operand 4 states. [2018-10-23 20:26:10,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:10,094 INFO L93 Difference]: Finished difference Result 2106 states and 3493 transitions. [2018-10-23 20:26:10,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:26:10,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2018-10-23 20:26:10,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:10,105 INFO L225 Difference]: With dead ends: 2106 [2018-10-23 20:26:10,105 INFO L226 Difference]: Without dead ends: 1507 [2018-10-23 20:26:10,109 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 [2018-10-23 20:26:10,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2018-10-23 20:26:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1507. [2018-10-23 20:26:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1507 states. [2018-10-23 20:26:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2184 transitions. [2018-10-23 20:26:10,192 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2184 transitions. Word has length 179 [2018-10-23 20:26:10,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:10,193 INFO L481 AbstractCegarLoop]: Abstraction has 1507 states and 2184 transitions. [2018-10-23 20:26:10,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:26:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2184 transitions. [2018-10-23 20:26:10,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-23 20:26:10,198 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:10,198 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:10,198 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:10,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:10,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1026636825, now seen corresponding path program 1 times [2018-10-23 20:26:10,199 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:10,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:10,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:10,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:10,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:26:10,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:10,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 20:26:10,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 20:26:10,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 20:26:10,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:26:10,572 INFO L87 Difference]: Start difference. First operand 1507 states and 2184 transitions. Second operand 7 states. [2018-10-23 20:26:15,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:15,754 INFO L93 Difference]: Finished difference Result 4158 states and 6112 transitions. [2018-10-23 20:26:15,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 20:26:15,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2018-10-23 20:26:15,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:15,765 INFO L225 Difference]: With dead ends: 4158 [2018-10-23 20:26:15,766 INFO L226 Difference]: Without dead ends: 1681 [2018-10-23 20:26:15,770 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:26:15,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2018-10-23 20:26:15,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1502. [2018-10-23 20:26:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2018-10-23 20:26:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1828 transitions. [2018-10-23 20:26:15,801 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1828 transitions. Word has length 192 [2018-10-23 20:26:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:15,802 INFO L481 AbstractCegarLoop]: Abstraction has 1502 states and 1828 transitions. [2018-10-23 20:26:15,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 20:26:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1828 transitions. [2018-10-23 20:26:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-10-23 20:26:15,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:15,811 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 20:26:15,811 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:15,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:15,812 INFO L82 PathProgramCache]: Analyzing trace with hash 40781991, now seen corresponding path program 1 times [2018-10-23 20:26:15,812 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:15,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:15,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:15,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:15,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:16,502 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2018-10-23 20:26:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-10-23 20:26:16,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:16,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 20:26:16,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:26:16,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:26:16,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:26:16,864 INFO L87 Difference]: Start difference. First operand 1502 states and 1828 transitions. Second operand 6 states. [2018-10-23 20:26:19,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:19,429 INFO L93 Difference]: Finished difference Result 3212 states and 3868 transitions. [2018-10-23 20:26:19,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:26:19,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 419 [2018-10-23 20:26:19,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:19,439 INFO L225 Difference]: With dead ends: 3212 [2018-10-23 20:26:19,439 INFO L226 Difference]: Without dead ends: 1712 [2018-10-23 20:26:19,442 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:26:19,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2018-10-23 20:26:19,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1681. [2018-10-23 20:26:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2018-10-23 20:26:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2008 transitions. [2018-10-23 20:26:19,477 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2008 transitions. Word has length 419 [2018-10-23 20:26:19,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:19,478 INFO L481 AbstractCegarLoop]: Abstraction has 1681 states and 2008 transitions. [2018-10-23 20:26:19,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:26:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2008 transitions. [2018-10-23 20:26:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2018-10-23 20:26:19,491 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:19,492 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-23 20:26:19,492 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:19,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:19,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1238180645, now seen corresponding path program 1 times [2018-10-23 20:26:19,493 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:19,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:19,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:19,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:19,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:20,128 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-23 20:26:20,500 WARN L179 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-23 20:26:20,715 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2018-10-23 20:26:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 516 proven. 46 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-10-23 20:26:21,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:26:21,149 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 20:26:21,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:21,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:26:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 539 proven. 23 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-10-23 20:26:22,105 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 20:26:22,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-10-23 20:26:22,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-23 20:26:22,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-23 20:26:22,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-10-23 20:26:22,111 INFO L87 Difference]: Start difference. First operand 1681 states and 2008 transitions. Second operand 9 states. [2018-10-23 20:26:27,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:27,604 INFO L93 Difference]: Finished difference Result 3937 states and 4614 transitions. [2018-10-23 20:26:27,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-23 20:26:27,613 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 526 [2018-10-23 20:26:27,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:27,627 INFO L225 Difference]: With dead ends: 3937 [2018-10-23 20:26:27,628 INFO L226 Difference]: Without dead ends: 2437 [2018-10-23 20:26:27,633 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 524 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-10-23 20:26:27,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2018-10-23 20:26:27,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 1859. [2018-10-23 20:26:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1859 states. [2018-10-23 20:26:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2186 transitions. [2018-10-23 20:26:27,685 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2186 transitions. Word has length 526 [2018-10-23 20:26:27,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:27,686 INFO L481 AbstractCegarLoop]: Abstraction has 1859 states and 2186 transitions. [2018-10-23 20:26:27,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-23 20:26:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2186 transitions. [2018-10-23 20:26:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2018-10-23 20:26:27,693 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:27,694 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:27,694 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:27,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:27,695 INFO L82 PathProgramCache]: Analyzing trace with hash 921802921, now seen corresponding path program 1 times [2018-10-23 20:26:27,695 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:27,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:27,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:27,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:27,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:28,415 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-10-23 20:26:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-10-23 20:26:28,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:28,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:26:28,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:26:28,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:26:28,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:28,697 INFO L87 Difference]: Start difference. First operand 1859 states and 2186 transitions. Second operand 4 states. [2018-10-23 20:26:30,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:30,345 INFO L93 Difference]: Finished difference Result 5864 states and 7151 transitions. [2018-10-23 20:26:30,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:26:30,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 632 [2018-10-23 20:26:30,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:30,364 INFO L225 Difference]: With dead ends: 5864 [2018-10-23 20:26:30,365 INFO L226 Difference]: Without dead ends: 4186 [2018-10-23 20:26:30,369 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:30,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2018-10-23 20:26:30,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4186. [2018-10-23 20:26:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4186 states. [2018-10-23 20:26:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 4816 transitions. [2018-10-23 20:26:30,448 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 4816 transitions. Word has length 632 [2018-10-23 20:26:30,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:30,448 INFO L481 AbstractCegarLoop]: Abstraction has 4186 states and 4816 transitions. [2018-10-23 20:26:30,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:26:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 4816 transitions. [2018-10-23 20:26:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2018-10-23 20:26:30,459 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:30,459 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 20:26:30,460 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:30,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:30,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1729598452, now seen corresponding path program 1 times [2018-10-23 20:26:30,460 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:30,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:30,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:30,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:30,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 1205 proven. 156 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-10-23 20:26:31,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:26:31,462 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 20:26:31,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:31,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:26:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2018-10-23 20:26:32,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:26:32,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-10-23 20:26:32,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:26:32,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:26:32,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:26:32,069 INFO L87 Difference]: Start difference. First operand 4186 states and 4816 transitions. Second operand 6 states. [2018-10-23 20:26:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:34,998 INFO L93 Difference]: Finished difference Result 12501 states and 15076 transitions. [2018-10-23 20:26:34,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 20:26:34,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 772 [2018-10-23 20:26:35,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:35,030 INFO L225 Difference]: With dead ends: 12501 [2018-10-23 20:26:35,030 INFO L226 Difference]: Without dead ends: 8496 [2018-10-23 20:26:35,037 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-23 20:26:35,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8496 states. [2018-10-23 20:26:35,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8496 to 6871. [2018-10-23 20:26:35,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6871 states. [2018-10-23 20:26:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6871 states to 6871 states and 7905 transitions. [2018-10-23 20:26:35,169 INFO L78 Accepts]: Start accepts. Automaton has 6871 states and 7905 transitions. Word has length 772 [2018-10-23 20:26:35,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:35,170 INFO L481 AbstractCegarLoop]: Abstraction has 6871 states and 7905 transitions. [2018-10-23 20:26:35,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:26:35,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6871 states and 7905 transitions. [2018-10-23 20:26:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2018-10-23 20:26:35,185 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:35,186 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-10-23 20:26:35,186 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:35,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:35,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1153683926, now seen corresponding path program 1 times [2018-10-23 20:26:35,187 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:35,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:35,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:35,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:35,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:36,071 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-23 20:26:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 1653 proven. 0 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-10-23 20:26:37,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:37,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 20:26:37,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:26:37,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:26:37,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:26:37,083 INFO L87 Difference]: Start difference. First operand 6871 states and 7905 transitions. Second operand 6 states. [2018-10-23 20:26:40,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:40,100 INFO L93 Difference]: Finished difference Result 16231 states and 18695 transitions. [2018-10-23 20:26:40,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 20:26:40,101 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 900 [2018-10-23 20:26:40,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:40,144 INFO L225 Difference]: With dead ends: 16231 [2018-10-23 20:26:40,144 INFO L226 Difference]: Without dead ends: 9541 [2018-10-23 20:26:40,153 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-23 20:26:40,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9541 states. [2018-10-23 20:26:40,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9541 to 7229. [2018-10-23 20:26:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7229 states. [2018-10-23 20:26:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7229 states to 7229 states and 8253 transitions. [2018-10-23 20:26:40,309 INFO L78 Accepts]: Start accepts. Automaton has 7229 states and 8253 transitions. Word has length 900 [2018-10-23 20:26:40,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:40,311 INFO L481 AbstractCegarLoop]: Abstraction has 7229 states and 8253 transitions. [2018-10-23 20:26:40,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:26:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 7229 states and 8253 transitions. [2018-10-23 20:26:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1018 [2018-10-23 20:26:40,331 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:40,332 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:40,332 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:40,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:40,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1779755525, now seen corresponding path program 1 times [2018-10-23 20:26:40,333 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:40,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:40,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:40,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:40,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:41,263 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-23 20:26:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3423 backedges. 926 proven. 0 refuted. 0 times theorem prover too weak. 2497 trivial. 0 not checked. [2018-10-23 20:26:42,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:42,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:26:42,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:26:42,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:26:42,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:42,080 INFO L87 Difference]: Start difference. First operand 7229 states and 8253 transitions. Second operand 4 states. [2018-10-23 20:26:43,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:43,937 INFO L93 Difference]: Finished difference Result 14993 states and 17284 transitions. [2018-10-23 20:26:43,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:26:43,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1017 [2018-10-23 20:26:43,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:43,958 INFO L225 Difference]: With dead ends: 14993 [2018-10-23 20:26:43,958 INFO L226 Difference]: Without dead ends: 7766 [2018-10-23 20:26:43,966 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:26:43,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7766 states. [2018-10-23 20:26:44,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7766 to 7766. [2018-10-23 20:26:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7766 states. [2018-10-23 20:26:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7766 states to 7766 states and 8673 transitions. [2018-10-23 20:26:44,094 INFO L78 Accepts]: Start accepts. Automaton has 7766 states and 8673 transitions. Word has length 1017 [2018-10-23 20:26:44,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:44,096 INFO L481 AbstractCegarLoop]: Abstraction has 7766 states and 8673 transitions. [2018-10-23 20:26:44,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:26:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 7766 states and 8673 transitions. [2018-10-23 20:26:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1025 [2018-10-23 20:26:44,118 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:44,119 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:44,119 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:44,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:44,120 INFO L82 PathProgramCache]: Analyzing trace with hash 585960448, now seen corresponding path program 1 times [2018-10-23 20:26:44,120 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:44,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:44,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:44,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:44,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3460 backedges. 926 proven. 0 refuted. 0 times theorem prover too weak. 2534 trivial. 0 not checked. [2018-10-23 20:26:45,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:45,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 20:26:45,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:26:45,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:26:45,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:26:45,460 INFO L87 Difference]: Start difference. First operand 7766 states and 8673 transitions. Second operand 5 states. [2018-10-23 20:26:47,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:47,812 INFO L93 Difference]: Finished difference Result 19826 states and 22155 transitions. [2018-10-23 20:26:47,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:26:47,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1024 [2018-10-23 20:26:47,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:47,824 INFO L225 Difference]: With dead ends: 19826 [2018-10-23 20:26:47,824 INFO L226 Difference]: Without dead ends: 4488 [2018-10-23 20:26:47,836 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:26:47,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4488 states. [2018-10-23 20:26:47,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4488 to 4488. [2018-10-23 20:26:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4488 states. [2018-10-23 20:26:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4488 states and 4640 transitions. [2018-10-23 20:26:47,903 INFO L78 Accepts]: Start accepts. Automaton has 4488 states and 4640 transitions. Word has length 1024 [2018-10-23 20:26:47,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:47,904 INFO L481 AbstractCegarLoop]: Abstraction has 4488 states and 4640 transitions. [2018-10-23 20:26:47,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:26:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 4488 states and 4640 transitions. [2018-10-23 20:26:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2018-10-23 20:26:47,919 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:47,919 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:47,920 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:47,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:47,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1835948147, now seen corresponding path program 1 times [2018-10-23 20:26:47,921 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:47,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:47,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:47,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:47,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3620 backedges. 2262 proven. 0 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2018-10-23 20:26:49,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:49,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 20:26:49,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:26:49,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:26:49,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:26:49,188 INFO L87 Difference]: Start difference. First operand 4488 states and 4640 transitions. Second operand 5 states. [2018-10-23 20:26:50,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:50,510 INFO L93 Difference]: Finished difference Result 9692 states and 10025 transitions. [2018-10-23 20:26:50,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:26:50,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1065 [2018-10-23 20:26:50,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:50,520 INFO L225 Difference]: With dead ends: 9692 [2018-10-23 20:26:50,520 INFO L226 Difference]: Without dead ends: 5385 [2018-10-23 20:26:50,525 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:26:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5385 states. [2018-10-23 20:26:50,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5385 to 4846. [2018-10-23 20:26:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-10-23 20:26:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 5005 transitions. [2018-10-23 20:26:50,586 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 5005 transitions. Word has length 1065 [2018-10-23 20:26:50,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:50,587 INFO L481 AbstractCegarLoop]: Abstraction has 4846 states and 5005 transitions. [2018-10-23 20:26:50,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:26:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5005 transitions. [2018-10-23 20:26:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2018-10-23 20:26:50,602 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:50,603 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:50,604 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:50,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:50,604 INFO L82 PathProgramCache]: Analyzing trace with hash 463419509, now seen corresponding path program 1 times [2018-10-23 20:26:50,604 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:50,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:50,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:50,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:50,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 1691 proven. 323 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2018-10-23 20:26:53,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:26:53,133 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 20:26:53,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:53,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:26:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 2007 proven. 7 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2018-10-23 20:26:55,002 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 20:26:55,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2018-10-23 20:26:55,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 20:26:55,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 20:26:55,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:26:55,004 INFO L87 Difference]: Start difference. First operand 4846 states and 5005 transitions. Second operand 7 states. [2018-10-23 20:26:57,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:26:57,759 INFO L93 Difference]: Finished difference Result 10336 states and 10665 transitions. [2018-10-23 20:26:57,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 20:26:57,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1066 [2018-10-23 20:26:57,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:26:57,775 INFO L225 Difference]: With dead ends: 10336 [2018-10-23 20:26:57,775 INFO L226 Difference]: Without dead ends: 5367 [2018-10-23 20:26:57,781 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1075 GetRequests, 1065 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-10-23 20:26:57,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5367 states. [2018-10-23 20:26:57,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5367 to 4666. [2018-10-23 20:26:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4666 states. [2018-10-23 20:26:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4666 states to 4666 states and 4811 transitions. [2018-10-23 20:26:57,853 INFO L78 Accepts]: Start accepts. Automaton has 4666 states and 4811 transitions. Word has length 1066 [2018-10-23 20:26:57,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:26:57,854 INFO L481 AbstractCegarLoop]: Abstraction has 4666 states and 4811 transitions. [2018-10-23 20:26:57,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 20:26:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 4666 states and 4811 transitions. [2018-10-23 20:26:57,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1413 [2018-10-23 20:26:57,874 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:26:57,875 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:26:57,876 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:26:57,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:26:57,876 INFO L82 PathProgramCache]: Analyzing trace with hash 743519253, now seen corresponding path program 1 times [2018-10-23 20:26:57,877 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:26:57,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:26:57,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:57,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:26:57,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:26:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:26:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6111 backedges. 1632 proven. 0 refuted. 0 times theorem prover too weak. 4479 trivial. 0 not checked. [2018-10-23 20:26:59,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:26:59,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:26:59,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 20:26:59,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 20:26:59,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 20:26:59,447 INFO L87 Difference]: Start difference. First operand 4666 states and 4811 transitions. Second operand 3 states. [2018-10-23 20:27:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:00,004 INFO L93 Difference]: Finished difference Result 9509 states and 9813 transitions. [2018-10-23 20:27:00,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 20:27:00,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1412 [2018-10-23 20:27:00,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:00,015 INFO L225 Difference]: With dead ends: 9509 [2018-10-23 20:27:00,016 INFO L226 Difference]: Without dead ends: 4843 [2018-10-23 20:27:00,021 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 20:27:00,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2018-10-23 20:27:00,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4664. [2018-10-23 20:27:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4664 states. [2018-10-23 20:27:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4664 states to 4664 states and 4803 transitions. [2018-10-23 20:27:00,087 INFO L78 Accepts]: Start accepts. Automaton has 4664 states and 4803 transitions. Word has length 1412 [2018-10-23 20:27:00,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:00,088 INFO L481 AbstractCegarLoop]: Abstraction has 4664 states and 4803 transitions. [2018-10-23 20:27:00,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 20:27:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4664 states and 4803 transitions. [2018-10-23 20:27:00,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1477 [2018-10-23 20:27:00,110 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:00,111 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:27:00,112 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:00,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:00,112 INFO L82 PathProgramCache]: Analyzing trace with hash 205916341, now seen corresponding path program 1 times [2018-10-23 20:27:00,112 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:00,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:00,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:00,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:00,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6313 backedges. 1652 proven. 40 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-23 20:27:02,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:27:02,253 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 20:27:02,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:02,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:27:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6313 backedges. 1652 proven. 40 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-23 20:27:03,876 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 20:27:03,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2018-10-23 20:27:03,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:27:03,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:27:03,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:27:03,878 INFO L87 Difference]: Start difference. First operand 4664 states and 4803 transitions. Second operand 5 states. [2018-10-23 20:27:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:05,993 INFO L93 Difference]: Finished difference Result 10043 states and 10345 transitions. [2018-10-23 20:27:05,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:27:05,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1476 [2018-10-23 20:27:05,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:06,001 INFO L225 Difference]: With dead ends: 10043 [2018-10-23 20:27:06,001 INFO L226 Difference]: Without dead ends: 5021 [2018-10-23 20:27:06,006 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1481 GetRequests, 1476 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:27:06,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5021 states. [2018-10-23 20:27:06,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5021 to 4125. [2018-10-23 20:27:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4125 states. [2018-10-23 20:27:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 4213 transitions. [2018-10-23 20:27:06,071 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 4213 transitions. Word has length 1476 [2018-10-23 20:27:06,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:06,072 INFO L481 AbstractCegarLoop]: Abstraction has 4125 states and 4213 transitions. [2018-10-23 20:27:06,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:27:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 4213 transitions. [2018-10-23 20:27:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1557 [2018-10-23 20:27:06,095 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:06,096 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:27:06,097 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:06,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:06,097 INFO L82 PathProgramCache]: Analyzing trace with hash -394236152, now seen corresponding path program 1 times [2018-10-23 20:27:06,098 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:06,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:06,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:06,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:06,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7223 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 6744 trivial. 0 not checked. [2018-10-23 20:27:08,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:27:08,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:27:08,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:27:08,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:27:08,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:27:08,474 INFO L87 Difference]: Start difference. First operand 4125 states and 4213 transitions. Second operand 4 states. [2018-10-23 20:27:09,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:09,543 INFO L93 Difference]: Finished difference Result 8067 states and 8243 transitions. [2018-10-23 20:27:09,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:27:09,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1556 [2018-10-23 20:27:09,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:09,545 INFO L225 Difference]: With dead ends: 8067 [2018-10-23 20:27:09,545 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 20:27:09,550 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:27:09,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 20:27:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 20:27:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 20:27:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 20:27:09,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1556 [2018-10-23 20:27:09,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:09,552 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 20:27:09,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:27:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 20:27:09,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 20:27:09,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 20:27:09,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,791 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 179 [2018-10-23 20:27:09,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:09,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:27:10,012 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 179 [2018-10-23 20:27:11,049 WARN L179 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2018-10-23 20:27:11,712 WARN L179 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 74 [2018-10-23 20:27:11,716 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-23 20:27:11,717 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,718 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-23 20:27:11,719 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-23 20:27:11,720 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-23 20:27:11,721 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-23 20:27:11,722 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-23 20:27:11,723 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-23 20:27:11,724 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-23 20:27:11,725 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-23 20:27:11,726 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-23 20:27:11,727 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-23 20:27:11,728 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-23 20:27:11,729 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,730 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,731 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse6 (= ~a15~0 8)) (.cse3 (= ~a21~0 10)) (.cse13 (+ ~a12~0 43))) (let ((.cse4 (< 80 ~a12~0)) (.cse0 (= ~a21~0 6)) (.cse11 (< 11 ~a12~0)) (.cse2 (<= ~a12~0 11)) (.cse12 (not (= 6 ~a21~0))) (.cse8 (= ~a21~0 7)) (.cse15 (<= (+ ~a12~0 49) 0)) (.cse5 (<= .cse13 0)) (.cse9 (<= ~a15~0 7)) (.cse10 (or (<= ~a12~0 80) (and .cse6 .cse3))) (.cse1 (= ~a24~0 1)) (.cse14 (<= 12849 ~a12~0)) (.cse7 (not (= ~a15~0 6)))) (or (and .cse0 .cse1 (= ~a15~0 5)) (and (and .cse1 .cse2) .cse3) (and .cse1 .cse4 (= ~a21~0 9)) (and .cse1 (= ~a21~0 8)) (and .cse0 .cse5 .cse6 .cse1) (and .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse8 .cse4) (and (not .cse0) .cse9 .cse1 .cse10) (and .cse11 .cse9 .cse1 .cse10) (and (= ~a15~0 7) .cse1) (and (<= ~a12~0 76) .cse11 .cse6 .cse1 (not .cse3) .cse12) (and .cse6 .cse1 .cse2 (< 0 .cse13) .cse12) (and (and (<= ~a12~0 73282) .cse1) .cse14) (and .cse9 .cse15 .cse7) (and (not (= ULTIMATE.start_calculate_output_~input 5)) .cse6 .cse1 .cse8 .cse15) (and .cse5 .cse9 .cse1) (and .cse9 (and .cse1 .cse7) .cse10) (and .cse1 .cse14 .cse7)))) [2018-10-23 20:27:11,731 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-23 20:27:11,731 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-23 20:27:11,731 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-23 20:27:11,731 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-23 20:27:11,732 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-23 20:27:11,733 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-23 20:27:11,734 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse6 (= ~a15~0 8)) (.cse3 (= ~a21~0 10)) (.cse13 (+ ~a12~0 43))) (let ((.cse4 (< 80 ~a12~0)) (.cse0 (= ~a21~0 6)) (.cse11 (< 11 ~a12~0)) (.cse2 (<= ~a12~0 11)) (.cse12 (not (= 6 ~a21~0))) (.cse5 (<= .cse13 0)) (.cse8 (= ~a21~0 7)) (.cse15 (<= (+ ~a12~0 49) 0)) (.cse9 (<= ~a15~0 7)) (.cse10 (or (<= ~a12~0 80) (and .cse6 .cse3))) (.cse1 (= ~a24~0 1)) (.cse14 (<= 12849 ~a12~0)) (.cse7 (not (= ~a15~0 6)))) (or (and .cse0 .cse1 (= ~a15~0 5)) (and (and .cse1 .cse2) .cse3) (and .cse1 .cse4 (= ~a21~0 9)) (and .cse1 (= ~a21~0 8)) (and .cse0 .cse5 .cse6 .cse1) (and .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse8 .cse4) (and (not .cse0) .cse9 .cse1 .cse10) (and .cse11 .cse9 .cse1 .cse10) (and (= ~a15~0 7) .cse1) (and (<= ~a12~0 76) .cse11 .cse6 .cse1 (not .cse3) .cse12) (and .cse6 .cse1 .cse2 (< 0 .cse13) .cse12) (and (and (<= ~a12~0 73282) .cse1) .cse14) (and .cse9 .cse15 .cse7) (and .cse5 .cse9 .cse1) (and .cse6 .cse1 .cse8 .cse15) (and .cse9 (and .cse1 .cse7) .cse10) (and .cse1 .cse14 .cse7)))) [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,735 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-23 20:27:11,736 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-23 20:27:11,737 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-23 20:27:11,738 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-23 20:27:11,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:27:11 BoogieIcfgContainer [2018-10-23 20:27:11,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 20:27:11,779 INFO L168 Benchmark]: Toolchain (without parser) took 73566.59 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 416.2 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:11,780 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 20:27:11,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.68 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:11,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -850.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:11,782 INFO L168 Benchmark]: Boogie Preprocessor took 115.24 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:11,783 INFO L168 Benchmark]: RCFGBuilder took 4086.56 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: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:11,784 INFO L168 Benchmark]: TraceAbstraction took 68417.86 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 315.6 MB. Max. memory is 7.1 GB. [2018-10-23 20:27:11,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 711.68 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 225.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -850.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.24 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4086.56 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: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68417.86 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 315.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((a21 == 6 && a24 == 1) && a15 == 5) || ((a24 == 1 && a12 <= 11) && a21 == 10)) || ((a24 == 1 && 80 < a12) && a21 == 9)) || (a24 == 1 && a21 == 8)) || (((a21 == 6 && a12 + 43 <= 0) && a15 == 8) && a24 == 1)) || (((a24 == 1 && a21 == 10) && 80 < a12) && !(a15 == 6))) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((!(a21 == 6) && a15 <= 7) && a24 == 1) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (((11 < a12 && a15 <= 7) && a24 == 1) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (a15 == 7 && a24 == 1)) || (((((a12 <= 76 && 11 < a12) && a15 == 8) && a24 == 1) && !(a21 == 10)) && !(6 == a21))) || ((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) && !(6 == a21))) || ((a12 <= 73282 && a24 == 1) && 12849 <= a12)) || ((a15 <= 7 && a12 + 49 <= 0) && !(a15 == 6))) || ((a12 + 43 <= 0 && a15 <= 7) && a24 == 1)) || (((a15 == 8 && a24 == 1) && a21 == 7) && a12 + 49 <= 0)) || ((a15 <= 7 && a24 == 1 && !(a15 == 6)) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || ((a24 == 1 && 12849 <= a12) && !(a15 == 6)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((((((((a21 == 6 && a24 == 1) && a15 == 5) || ((a24 == 1 && a12 <= 11) && a21 == 10)) || ((a24 == 1 && 80 < a12) && a21 == 9)) || (a24 == 1 && a21 == 8)) || (((a21 == 6 && a12 + 43 <= 0) && a15 == 8) && a24 == 1)) || (((a24 == 1 && a21 == 10) && 80 < a12) && !(a15 == 6))) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((!(a21 == 6) && a15 <= 7) && a24 == 1) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (((11 < a12 && a15 <= 7) && a24 == 1) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || (a15 == 7 && a24 == 1)) || (((((a12 <= 76 && 11 < a12) && a15 == 8) && a24 == 1) && !(a21 == 10)) && !(6 == a21))) || ((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) && !(6 == a21))) || ((a12 <= 73282 && a24 == 1) && 12849 <= a12)) || ((a15 <= 7 && a12 + 49 <= 0) && !(a15 == 6))) || ((((!(input == 5) && a15 == 8) && a24 == 1) && a21 == 7) && a12 + 49 <= 0)) || ((a12 + 43 <= 0 && a15 <= 7) && a24 == 1)) || ((a15 <= 7 && a24 == 1 && !(a15 == 6)) && (a12 <= 80 || (a15 == 8 && a21 == 10)))) || ((a24 == 1 && 12849 <= a12) && !(a15 == 6)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 68.2s OverallTime, 15 OverallIterations, 13 TraceHistogramMax, 38.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1799 SDtfs, 7823 SDslu, 1484 SDs, 0 SdLazy, 21160 SolverSat, 2719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3929 GetRequests, 3859 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7766occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 7040 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 162 NumberOfFragments, 511 HoareAnnotationTreeSize, 3 FomulaSimplifications, 23169 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2868 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 16118 NumberOfCodeBlocks, 16118 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 16099 ConstructedInterpolants, 0 QuantifiedInterpolants, 43883905 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4661 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 51850/52485 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...