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_label50_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 20:27:29,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 20:27:29,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 20:27:29,408 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 20:27:29,408 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 20:27:29,409 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 20:27:29,411 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 20:27:29,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 20:27:29,414 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 20:27:29,415 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 20:27:29,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 20:27:29,416 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 20:27:29,417 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 20:27:29,418 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 20:27:29,419 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 20:27:29,420 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 20:27:29,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 20:27:29,423 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 20:27:29,425 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 20:27:29,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 20:27:29,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 20:27:29,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 20:27:29,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 20:27:29,442 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 20:27:29,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 20:27:29,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 20:27:29,459 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 20:27:29,459 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 20:27:29,460 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 20:27:29,460 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 20:27:29,460 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 20:27:29,460 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 20:27:29,461 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 20:27:29,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 20:27:29,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 20:27:29,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 20:27:29,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 20:27:29,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 20:27:29,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 20:27:29,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 20:27:29,462 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 20:27:29,463 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 20:27:29,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 20:27:29,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 20:27:29,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 20:27:29,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 20:27:29,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 20:27:29,464 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-23 20:27:29,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 20:27:29,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 20:27:29,464 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 20:27:29,464 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 20:27:29,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 20:27:29,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 20:27:29,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 20:27:29,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 20:27:29,533 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 20:27:29,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-23 20:27:29,596 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a722bf888/70ceddadec2747969529605797946904/FLAG00a567198 [2018-10-23 20:27:30,158 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 20:27:30,159 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-23 20:27:30,185 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a722bf888/70ceddadec2747969529605797946904/FLAG00a567198 [2018-10-23 20:27:30,204 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a722bf888/70ceddadec2747969529605797946904 [2018-10-23 20:27:30,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 20:27:30,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 20:27:30,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 20:27:30,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 20:27:30,223 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 20:27:30,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:30,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41102512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30, skipping insertion in model container [2018-10-23 20:27:30,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:30,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 20:27:30,309 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 20:27:30,852 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:27:30,856 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 20:27:30,977 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 20:27:30,995 INFO L193 MainTranslator]: Completed translation [2018-10-23 20:27:30,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30 WrapperNode [2018-10-23 20:27:30,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 20:27:30,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 20:27:30,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 20:27:30,998 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 20:27:31,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 20:27:31,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 20:27:31,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 20:27:31,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 20:27:31,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (1/1) ... [2018-10-23 20:27:31,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 20:27:31,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 20:27:31,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 20:27:31,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 20:27:31,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (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 20:27:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-23 20:27:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 20:27:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 20:27:35,450 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 20:27:35,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:27:35 BoogieIcfgContainer [2018-10-23 20:27:35,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 20:27:35,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 20:27:35,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 20:27:35,456 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 20:27:35,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:27:30" (1/3) ... [2018-10-23 20:27:35,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8f4492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:27:35, skipping insertion in model container [2018-10-23 20:27:35,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:30" (2/3) ... [2018-10-23 20:27:35,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8f4492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:27:35, skipping insertion in model container [2018-10-23 20:27:35,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:27:35" (3/3) ... [2018-10-23 20:27:35,462 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-10-23 20:27:35,470 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 20:27:35,478 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 20:27:35,495 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 20:27:35,533 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-23 20:27:35,534 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 20:27:35,534 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 20:27:35,534 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 20:27:35,534 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 20:27:35,534 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 20:27:35,535 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 20:27:35,535 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 20:27:35,535 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 20:27:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2018-10-23 20:27:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-23 20:27:35,569 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:35,571 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] [2018-10-23 20:27:35,573 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:35,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:35,580 INFO L82 PathProgramCache]: Analyzing trace with hash -387853398, now seen corresponding path program 1 times [2018-10-23 20:27:35,584 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:35,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:35,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:35,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:35,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:35,994 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 20:27:35,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:27:35,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:27:36,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:27:36,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:27:36,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:27:36,021 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2018-10-23 20:27:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:39,575 INFO L93 Difference]: Finished difference Result 870 states and 1578 transitions. [2018-10-23 20:27:39,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:27:39,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-10-23 20:27:39,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:39,601 INFO L225 Difference]: With dead ends: 870 [2018-10-23 20:27:39,602 INFO L226 Difference]: Without dead ends: 617 [2018-10-23 20:27:39,611 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 20:27:39,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-10-23 20:27:39,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2018-10-23 20:27:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2018-10-23 20:27:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 940 transitions. [2018-10-23 20:27:39,712 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 940 transitions. Word has length 38 [2018-10-23 20:27:39,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:39,713 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 940 transitions. [2018-10-23 20:27:39,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:27:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 940 transitions. [2018-10-23 20:27:39,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-23 20:27:39,720 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:39,721 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:27:39,721 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:39,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:39,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1913323023, now seen corresponding path program 1 times [2018-10-23 20:27:39,722 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:39,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:39,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:39,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:39,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 20:27:40,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:27:40,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 20:27:40,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:27:40,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:27:40,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:27:40,413 INFO L87 Difference]: Start difference. First operand 617 states and 940 transitions. Second operand 6 states. [2018-10-23 20:27:45,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:45,964 INFO L93 Difference]: Finished difference Result 3026 states and 4618 transitions. [2018-10-23 20:27:45,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-23 20:27:45,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-23 20:27:45,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:45,979 INFO L225 Difference]: With dead ends: 3026 [2018-10-23 20:27:45,980 INFO L226 Difference]: Without dead ends: 2411 [2018-10-23 20:27:45,984 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-23 20:27:45,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2018-10-23 20:27:46,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 1870. [2018-10-23 20:27:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-10-23 20:27:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2494 transitions. [2018-10-23 20:27:46,054 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2494 transitions. Word has length 147 [2018-10-23 20:27:46,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:46,055 INFO L481 AbstractCegarLoop]: Abstraction has 1870 states and 2494 transitions. [2018-10-23 20:27:46,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:27:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2494 transitions. [2018-10-23 20:27:46,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-23 20:27:46,062 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:46,063 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 20:27:46,063 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:46,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:46,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1563967103, now seen corresponding path program 1 times [2018-10-23 20:27:46,063 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:46,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:46,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:46,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:46,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-23 20:27:46,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:27:46,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 20:27:46,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:27:46,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:27:46,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:27:46,315 INFO L87 Difference]: Start difference. First operand 1870 states and 2494 transitions. Second operand 4 states. [2018-10-23 20:27:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:27:50,838 INFO L93 Difference]: Finished difference Result 5170 states and 7227 transitions. [2018-10-23 20:27:50,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:27:50,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 214 [2018-10-23 20:27:50,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:27:50,855 INFO L225 Difference]: With dead ends: 5170 [2018-10-23 20:27:50,856 INFO L226 Difference]: Without dead ends: 3302 [2018-10-23 20:27:50,859 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 20:27:50,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2018-10-23 20:27:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3302. [2018-10-23 20:27:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3302 states. [2018-10-23 20:27:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 4301 transitions. [2018-10-23 20:27:50,931 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 4301 transitions. Word has length 214 [2018-10-23 20:27:50,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:27:50,931 INFO L481 AbstractCegarLoop]: Abstraction has 3302 states and 4301 transitions. [2018-10-23 20:27:50,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:27:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 4301 transitions. [2018-10-23 20:27:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-23 20:27:50,936 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:27:50,936 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-23 20:27:50,937 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:27:50,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:27:50,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1007823356, now seen corresponding path program 1 times [2018-10-23 20:27:50,937 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:27:50,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:27:50,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:50,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:50,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:27:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 140 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-23 20:27:51,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:27:51,315 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 20:27:51,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:27:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:27:51,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:27:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-23 20:27:51,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:27:51,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-23 20:27:51,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 20:27:51,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 20:27:51,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-23 20:27:51,678 INFO L87 Difference]: Start difference. First operand 3302 states and 4301 transitions. Second operand 6 states. [2018-10-23 20:28:05,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:05,483 INFO L93 Difference]: Finished difference Result 9155 states and 11800 transitions. [2018-10-23 20:28:05,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 20:28:05,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2018-10-23 20:28:05,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:05,507 INFO L225 Difference]: With dead ends: 9155 [2018-10-23 20:28:05,507 INFO L226 Difference]: Without dead ends: 5284 [2018-10-23 20:28:05,513 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-23 20:28:05,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5284 states. [2018-10-23 20:28:05,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5284 to 3285. [2018-10-23 20:28:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3285 states. [2018-10-23 20:28:05,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 3679 transitions. [2018-10-23 20:28:05,588 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 3679 transitions. Word has length 228 [2018-10-23 20:28:05,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:05,588 INFO L481 AbstractCegarLoop]: Abstraction has 3285 states and 3679 transitions. [2018-10-23 20:28:05,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 20:28:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 3679 transitions. [2018-10-23 20:28:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-10-23 20:28:05,595 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:05,596 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 20:28:05,596 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:05,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:05,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1637886600, now seen corresponding path program 1 times [2018-10-23 20:28:05,597 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:05,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:05,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:05,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:05,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:05,925 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-23 20:28:06,177 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-23 20:28:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 270 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-23 20:28:06,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:28:06,560 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 20:28:06,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:06,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:28:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-10-23 20:28:06,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 20:28:06,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-23 20:28:06,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-23 20:28:06,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-23 20:28:06,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-23 20:28:06,931 INFO L87 Difference]: Start difference. First operand 3285 states and 3679 transitions. Second operand 8 states. [2018-10-23 20:28:10,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:10,742 INFO L93 Difference]: Finished difference Result 8020 states and 9093 transitions. [2018-10-23 20:28:10,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-23 20:28:10,742 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 345 [2018-10-23 20:28:10,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:10,763 INFO L225 Difference]: With dead ends: 8020 [2018-10-23 20:28:10,764 INFO L226 Difference]: Without dead ends: 4736 [2018-10-23 20:28:10,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-10-23 20:28:10,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2018-10-23 20:28:10,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4537. [2018-10-23 20:28:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4537 states. [2018-10-23 20:28:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 4998 transitions. [2018-10-23 20:28:10,842 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 4998 transitions. Word has length 345 [2018-10-23 20:28:10,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:10,843 INFO L481 AbstractCegarLoop]: Abstraction has 4537 states and 4998 transitions. [2018-10-23 20:28:10,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-23 20:28:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 4998 transitions. [2018-10-23 20:28:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2018-10-23 20:28:10,855 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:10,856 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:28:10,856 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:10,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:10,857 INFO L82 PathProgramCache]: Analyzing trace with hash -2081368363, now seen corresponding path program 1 times [2018-10-23 20:28:10,857 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:10,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:10,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:10,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:10,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 711 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2018-10-23 20:28:11,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:11,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 20:28:11,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 20:28:11,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 20:28:11,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:28:11,596 INFO L87 Difference]: Start difference. First operand 4537 states and 4998 transitions. Second operand 7 states. [2018-10-23 20:28:13,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:13,257 INFO L93 Difference]: Finished difference Result 9314 states and 10286 transitions. [2018-10-23 20:28:13,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 20:28:13,258 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 513 [2018-10-23 20:28:13,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:13,275 INFO L225 Difference]: With dead ends: 9314 [2018-10-23 20:28:13,275 INFO L226 Difference]: Without dead ends: 4355 [2018-10-23 20:28:13,281 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-23 20:28:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2018-10-23 20:28:13,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4355. [2018-10-23 20:28:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4355 states. [2018-10-23 20:28:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 4745 transitions. [2018-10-23 20:28:13,343 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 4745 transitions. Word has length 513 [2018-10-23 20:28:13,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:13,344 INFO L481 AbstractCegarLoop]: Abstraction has 4355 states and 4745 transitions. [2018-10-23 20:28:13,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 20:28:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 4745 transitions. [2018-10-23 20:28:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2018-10-23 20:28:13,361 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:13,362 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 20:28:13,362 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:13,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:13,363 INFO L82 PathProgramCache]: Analyzing trace with hash -325385925, now seen corresponding path program 1 times [2018-10-23 20:28:13,363 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:13,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:13,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:13,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:13,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 909 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-23 20:28:13,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:13,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:28:13,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:28:13,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:28:13,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:13,838 INFO L87 Difference]: Start difference. First operand 4355 states and 4745 transitions. Second operand 4 states. [2018-10-23 20:28:15,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:15,270 INFO L93 Difference]: Finished difference Result 11393 states and 12676 transitions. [2018-10-23 20:28:15,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:28:15,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 640 [2018-10-23 20:28:15,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:15,296 INFO L225 Difference]: With dead ends: 11393 [2018-10-23 20:28:15,297 INFO L226 Difference]: Without dead ends: 7219 [2018-10-23 20:28:15,303 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:15,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2018-10-23 20:28:15,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7219. [2018-10-23 20:28:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7219 states. [2018-10-23 20:28:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 7846 transitions. [2018-10-23 20:28:15,499 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 7846 transitions. Word has length 640 [2018-10-23 20:28:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:15,499 INFO L481 AbstractCegarLoop]: Abstraction has 7219 states and 7846 transitions. [2018-10-23 20:28:15,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:28:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 7846 transitions. [2018-10-23 20:28:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2018-10-23 20:28:15,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:15,513 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:28:15,514 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:15,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:15,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1329105499, now seen corresponding path program 1 times [2018-10-23 20:28:15,515 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:15,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:15,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:15,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:15,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2018-10-23 20:28:16,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:16,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:28:16,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:28:16,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:28:16,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:16,375 INFO L87 Difference]: Start difference. First operand 7219 states and 7846 transitions. Second operand 4 states. [2018-10-23 20:28:17,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:17,732 INFO L93 Difference]: Finished difference Result 14257 states and 15510 transitions. [2018-10-23 20:28:17,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:28:17,732 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 832 [2018-10-23 20:28:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:17,755 INFO L225 Difference]: With dead ends: 14257 [2018-10-23 20:28:17,755 INFO L226 Difference]: Without dead ends: 7219 [2018-10-23 20:28:17,763 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:17,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2018-10-23 20:28:17,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7219. [2018-10-23 20:28:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7219 states. [2018-10-23 20:28:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 7622 transitions. [2018-10-23 20:28:17,946 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 7622 transitions. Word has length 832 [2018-10-23 20:28:17,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:17,948 INFO L481 AbstractCegarLoop]: Abstraction has 7219 states and 7622 transitions. [2018-10-23 20:28:17,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:28:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 7622 transitions. [2018-10-23 20:28:17,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-10-23 20:28:17,961 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:17,962 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 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 20:28:17,962 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:17,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:17,963 INFO L82 PathProgramCache]: Analyzing trace with hash 496632342, now seen corresponding path program 1 times [2018-10-23 20:28:17,963 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:17,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:17,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:17,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:17,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2371 backedges. 1540 proven. 0 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2018-10-23 20:28:19,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:19,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:28:19,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:28:19,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:28:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:19,134 INFO L87 Difference]: Start difference. First operand 7219 states and 7622 transitions. Second operand 4 states. [2018-10-23 20:28:21,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:21,500 INFO L93 Difference]: Finished difference Result 15689 states and 16624 transitions. [2018-10-23 20:28:21,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:28:21,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 886 [2018-10-23 20:28:21,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:21,520 INFO L225 Difference]: With dead ends: 15689 [2018-10-23 20:28:21,520 INFO L226 Difference]: Without dead ends: 8651 [2018-10-23 20:28:21,528 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:21,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8651 states. [2018-10-23 20:28:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8651 to 8651. [2018-10-23 20:28:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8651 states. [2018-10-23 20:28:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8651 states to 8651 states and 9095 transitions. [2018-10-23 20:28:21,660 INFO L78 Accepts]: Start accepts. Automaton has 8651 states and 9095 transitions. Word has length 886 [2018-10-23 20:28:21,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:21,661 INFO L481 AbstractCegarLoop]: Abstraction has 8651 states and 9095 transitions. [2018-10-23 20:28:21,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:28:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 8651 states and 9095 transitions. [2018-10-23 20:28:21,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2018-10-23 20:28:21,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:21,687 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:28:21,687 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:21,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:21,688 INFO L82 PathProgramCache]: Analyzing trace with hash 2056836584, now seen corresponding path program 1 times [2018-10-23 20:28:21,688 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:21,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:21,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:21,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:22,658 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-10-23 20:28:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3605 backedges. 1108 proven. 0 refuted. 0 times theorem prover too weak. 2497 trivial. 0 not checked. [2018-10-23 20:28:23,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:23,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:28:23,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:28:23,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:28:23,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:23,555 INFO L87 Difference]: Start difference. First operand 8651 states and 9095 transitions. Second operand 4 states. [2018-10-23 20:28:25,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:25,200 INFO L93 Difference]: Finished difference Result 18016 states and 19003 transitions. [2018-10-23 20:28:25,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:28:25,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1058 [2018-10-23 20:28:25,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:25,219 INFO L225 Difference]: With dead ends: 18016 [2018-10-23 20:28:25,220 INFO L226 Difference]: Without dead ends: 9004 [2018-10-23 20:28:25,229 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 20:28:25,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9004 states. [2018-10-23 20:28:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9004 to 8646. [2018-10-23 20:28:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8646 states. [2018-10-23 20:28:25,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8646 states to 8646 states and 9005 transitions. [2018-10-23 20:28:25,330 INFO L78 Accepts]: Start accepts. Automaton has 8646 states and 9005 transitions. Word has length 1058 [2018-10-23 20:28:25,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:25,331 INFO L481 AbstractCegarLoop]: Abstraction has 8646 states and 9005 transitions. [2018-10-23 20:28:25,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:28:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 8646 states and 9005 transitions. [2018-10-23 20:28:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2018-10-23 20:28:25,351 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:25,352 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, 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, 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, 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 20:28:25,353 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:25,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:25,353 INFO L82 PathProgramCache]: Analyzing trace with hash 234601072, now seen corresponding path program 1 times [2018-10-23 20:28:25,353 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:25,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:25,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:25,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:25,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 2488 proven. 0 refuted. 0 times theorem prover too weak. 1354 trivial. 0 not checked. [2018-10-23 20:28:27,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:27,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 20:28:27,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 20:28:27,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 20:28:27,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-23 20:28:27,031 INFO L87 Difference]: Start difference. First operand 8646 states and 9005 transitions. Second operand 5 states. [2018-10-23 20:28:29,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:29,800 INFO L93 Difference]: Finished difference Result 18912 states and 19728 transitions. [2018-10-23 20:28:29,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-23 20:28:29,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1106 [2018-10-23 20:28:29,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:29,822 INFO L225 Difference]: With dead ends: 18912 [2018-10-23 20:28:29,822 INFO L226 Difference]: Without dead ends: 10447 [2018-10-23 20:28:29,831 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 20:28:29,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10447 states. [2018-10-23 20:28:29,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10447 to 9368. [2018-10-23 20:28:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9368 states. [2018-10-23 20:28:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9368 states to 9368 states and 9752 transitions. [2018-10-23 20:28:29,945 INFO L78 Accepts]: Start accepts. Automaton has 9368 states and 9752 transitions. Word has length 1106 [2018-10-23 20:28:29,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:29,947 INFO L481 AbstractCegarLoop]: Abstraction has 9368 states and 9752 transitions. [2018-10-23 20:28:29,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 20:28:29,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9368 states and 9752 transitions. [2018-10-23 20:28:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1448 [2018-10-23 20:28:29,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:29,970 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, 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, 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, 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, 1, 1, 1, 1] [2018-10-23 20:28:29,971 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:29,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:29,971 INFO L82 PathProgramCache]: Analyzing trace with hash -997113547, now seen corresponding path program 1 times [2018-10-23 20:28:29,972 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:29,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:29,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:29,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:29,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 5800 trivial. 0 not checked. [2018-10-23 20:28:32,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:32,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:28:32,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:28:32,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:28:32,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:32,031 INFO L87 Difference]: Start difference. First operand 9368 states and 9752 transitions. Second operand 4 states. [2018-10-23 20:28:33,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:33,233 INFO L93 Difference]: Finished difference Result 22847 states and 23792 transitions. [2018-10-23 20:28:33,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:28:33,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1447 [2018-10-23 20:28:33,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:33,249 INFO L225 Difference]: With dead ends: 22847 [2018-10-23 20:28:33,249 INFO L226 Difference]: Without dead ends: 10961 [2018-10-23 20:28:33,259 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 20:28:33,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10961 states. [2018-10-23 20:28:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10961 to 10782. [2018-10-23 20:28:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10782 states. [2018-10-23 20:28:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10782 states to 10782 states and 11123 transitions. [2018-10-23 20:28:33,394 INFO L78 Accepts]: Start accepts. Automaton has 10782 states and 11123 transitions. Word has length 1447 [2018-10-23 20:28:33,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:33,396 INFO L481 AbstractCegarLoop]: Abstraction has 10782 states and 11123 transitions. [2018-10-23 20:28:33,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:28:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10782 states and 11123 transitions. [2018-10-23 20:28:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1648 [2018-10-23 20:28:33,438 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:33,439 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 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, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2018-10-23 20:28:33,440 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:33,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:33,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1771443447, now seen corresponding path program 1 times [2018-10-23 20:28:33,441 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:33,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:33,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:33,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:33,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8591 backedges. 3526 proven. 444 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-23 20:28:36,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 20:28:36,338 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 20:28:36,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:36,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 20:28:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8591 backedges. 3598 proven. 372 refuted. 0 times theorem prover too weak. 4621 trivial. 0 not checked. [2018-10-23 20:28:39,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-23 20:28:39,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2018-10-23 20:28:39,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-23 20:28:39,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-23 20:28:39,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-23 20:28:39,017 INFO L87 Difference]: Start difference. First operand 10782 states and 11123 transitions. Second operand 9 states. [2018-10-23 20:28:44,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:44,710 INFO L93 Difference]: Finished difference Result 23719 states and 24503 transitions. [2018-10-23 20:28:44,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-23 20:28:44,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1647 [2018-10-23 20:28:44,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:44,727 INFO L225 Difference]: With dead ends: 23719 [2018-10-23 20:28:44,728 INFO L226 Difference]: Without dead ends: 12758 [2018-10-23 20:28:44,737 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1663 GetRequests, 1650 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-23 20:28:44,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12758 states. [2018-10-23 20:28:44,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12758 to 11501. [2018-10-23 20:28:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11501 states. [2018-10-23 20:28:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 11821 transitions. [2018-10-23 20:28:44,861 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 11821 transitions. Word has length 1647 [2018-10-23 20:28:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:44,862 INFO L481 AbstractCegarLoop]: Abstraction has 11501 states and 11821 transitions. [2018-10-23 20:28:44,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-23 20:28:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 11821 transitions. [2018-10-23 20:28:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2018-10-23 20:28:44,903 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 20:28:44,904 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 11, 10, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 20:28:44,904 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 20:28:44,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 20:28:44,905 INFO L82 PathProgramCache]: Analyzing trace with hash -494298241, now seen corresponding path program 1 times [2018-10-23 20:28:44,905 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-23 20:28:44,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-23 20:28:44,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:44,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 20:28:44,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 20:28:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 20:28:45,993 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-23 20:28:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 10214 backedges. 4394 proven. 0 refuted. 0 times theorem prover too weak. 5820 trivial. 0 not checked. [2018-10-23 20:28:47,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 20:28:47,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 20:28:47,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 20:28:47,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 20:28:47,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:47,398 INFO L87 Difference]: Start difference. First operand 11501 states and 11821 transitions. Second operand 4 states. [2018-10-23 20:28:48,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 20:28:48,684 INFO L93 Difference]: Finished difference Result 19582 states and 20098 transitions. [2018-10-23 20:28:48,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 20:28:48,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1821 [2018-10-23 20:28:48,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 20:28:48,686 INFO L225 Difference]: With dead ends: 19582 [2018-10-23 20:28:48,686 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 20:28:48,692 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-23 20:28:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 20:28:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 20:28:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 20:28:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 20:28:48,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1821 [2018-10-23 20:28:48,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 20:28:48,693 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 20:28:48,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 20:28:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 20:28:48,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 20:28:48,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 20:28:48,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:48,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:48,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:48,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:48,857 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 147 [2018-10-23 20:28:48,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:48,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:48,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:48,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-23 20:28:49,016 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 147 [2018-10-23 20:28:51,279 WARN L179 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2018-10-23 20:28:52,765 WARN L179 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2018-10-23 20:28:52,769 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-10-23 20:28:52,770 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,771 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-10-23 20:28:52,772 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-10-23 20:28:52,773 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-10-23 20:28:52,774 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-10-23 20:28:52,775 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,776 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-10-23 20:28:52,777 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-23 20:28:52,778 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-23 20:28:52,779 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-10-23 20:28:52,780 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,781 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,782 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-10-23 20:28:52,783 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-10-23 20:28:52,784 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-10-23 20:28:52,785 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,786 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,786 INFO L421 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse20 (= ~a21~0 10)) (.cse18 (= ~a21~0 7)) (.cse22 (+ ~a12~0 43)) (.cse0 (= ~a15~0 8))) (let ((.cse12 (not (= 7 ~a15~0))) (.cse9 (not .cse0)) (.cse17 (<= .cse22 0)) (.cse19 (<= 9 ~a15~0)) (.cse2 (<= ~a12~0 11)) (.cse3 (< 0 .cse22)) (.cse8 (= ~a21~0 8)) (.cse16 (= ~a15~0 7)) (.cse5 (<= ~a12~0 72)) (.cse14 (not .cse18)) (.cse6 (<= 19 ~a12~0)) (.cse13 (<= ~a15~0 8)) (.cse11 (<= ~a21~0 6)) (.cse7 (<= ~a12~0 73282)) (.cse4 (= ~a15~0 5)) (.cse15 (not .cse20)) (.cse10 (< 80 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse21 (<= (+ ~a12~0 49) 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8) (and .cse1 .cse9 .cse10 (= ~a21~0 9)) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse1 .cse11) (and .cse1 .cse8 (<= (+ ~a12~0 526767) 0)) (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15) (and .cse1 .cse8 .cse5 .cse6) (and .cse16 (and (and .cse17 .cse1) .cse18)) (and .cse1 .cse19 .cse20 .cse2) (and .cse1 .cse20 .cse4 .cse10) (and .cse1 .cse8 .cse2 .cse3) (and (and (or (and .cse1 .cse19 .cse20 .cse10) (and .cse13 .cse21 .cse11)) .cse12) .cse9) (and .cse1 .cse4 .cse8) (and (and .cse17 .cse0 .cse1) .cse20) (and .cse16 .cse1 .cse20) (or (and .cse1 .cse19 .cse8 .cse10) (and .cse1 .cse18 .cse10)) (and .cse1 .cse20 .cse2 .cse3) (and (<= ~a12~0 80) .cse0 .cse1 .cse14 .cse15) (and .cse16 .cse1 .cse8) (and .cse16 .cse1 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse4 .cse15) (and .cse0 .cse1 .cse20 .cse10) (and .cse0 .cse1 .cse21)))) [2018-10-23 20:28:52,786 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-10-23 20:28:52,786 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-10-23 20:28:52,786 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L428 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-10-23 20:28:52,787 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-10-23 20:28:52,788 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-10-23 20:28:52,789 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse20 (= ~a21~0 10)) (.cse18 (= ~a21~0 7)) (.cse22 (+ ~a12~0 43)) (.cse0 (= ~a15~0 8))) (let ((.cse12 (not (= 7 ~a15~0))) (.cse9 (not .cse0)) (.cse17 (<= .cse22 0)) (.cse19 (<= 9 ~a15~0)) (.cse2 (<= ~a12~0 11)) (.cse3 (< 0 .cse22)) (.cse8 (= ~a21~0 8)) (.cse16 (= ~a15~0 7)) (.cse5 (<= ~a12~0 72)) (.cse14 (not .cse18)) (.cse6 (<= 19 ~a12~0)) (.cse13 (<= ~a15~0 8)) (.cse11 (<= ~a21~0 6)) (.cse7 (<= ~a12~0 73282)) (.cse4 (= ~a15~0 5)) (.cse15 (not .cse20)) (.cse10 (< 80 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse21 (<= (+ ~a12~0 49) 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8) (and .cse1 .cse9 .cse10 (= ~a21~0 9)) (and (<= ~a12~0 95434) (<= 95381 ~a12~0) .cse1 .cse11) (and .cse1 .cse8 (<= (+ ~a12~0 526767) 0)) (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15) (and .cse1 .cse8 .cse5 .cse6) (and .cse16 (and (and .cse17 .cse1) .cse18)) (and .cse1 .cse19 .cse20 .cse2) (and .cse1 .cse20 .cse4 .cse10) (and .cse1 .cse8 .cse2 .cse3) (and (and (or (and .cse1 .cse19 .cse20 .cse10) (and .cse13 .cse21 .cse11)) .cse12) .cse9) (and .cse1 .cse4 .cse8) (and (and .cse17 .cse0 .cse1) .cse20) (and .cse16 .cse1 .cse20) (or (and .cse1 .cse19 .cse8 .cse10) (and .cse1 .cse18 .cse10)) (and .cse1 .cse20 .cse2 .cse3) (and (<= ~a12~0 80) .cse0 .cse1 .cse14 .cse15) (and .cse16 .cse1 .cse8) (and .cse16 .cse1 .cse5 .cse14 .cse6) (and .cse1 .cse13 .cse11) (and .cse7 .cse1 .cse4 .cse15) (and .cse0 .cse1 .cse20 .cse10) (and .cse0 .cse1 .cse21)))) [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-10-23 20:28:52,790 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-10-23 20:28:52,791 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,792 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,793 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,794 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-10-23 20:28:52,794 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-10-23 20:28:52,794 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-23 20:28:52,794 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-23 20:28:52,794 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-23 20:28:52,794 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-10-23 20:28:52,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:28:52 BoogieIcfgContainer [2018-10-23 20:28:52,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 20:28:52,829 INFO L168 Benchmark]: Toolchain (without parser) took 82612.06 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 860.9 MB. Max. memory is 7.1 GB. [2018-10-23 20:28:52,830 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 20:28:52,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.43 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 20:28:52,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 224.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -825.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-23 20:28:52,833 INFO L168 Benchmark]: Boogie Preprocessor took 139.23 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-23 20:28:52,834 INFO L168 Benchmark]: RCFGBuilder took 4089.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 7.1 GB. [2018-10-23 20:28:52,835 INFO L168 Benchmark]: TraceAbstraction took 77375.53 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 758.1 MB. Max. memory is 7.1 GB. [2018-10-23 20:28:52,841 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 777.43 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 224.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -825.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.23 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4089.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77375.53 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 758.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: (((((((((((((((((((((((((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) || ((a24 == 1 && a15 == 5) && a12 <= 11)) || (((a24 == 1 && a15 == 5) && a12 <= 72) && 19 <= a12)) || (((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8)) || (((a24 == 1 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || (((a12 <= 95434 && 95381 <= a12) && a24 == 1) && a21 <= 6)) || ((a24 == 1 && a21 == 8) && a12 + 526767 <= 0)) || (((((!(7 == a15) && a24 == 1) && a12 <= 11) && a15 <= 8) && !(a21 == 7)) && !(a21 == 10))) || (((a24 == 1 && a21 == 8) && a12 <= 72) && 19 <= a12)) || (a15 == 7 && (a12 + 43 <= 0 && a24 == 1) && a21 == 7)) || (((a24 == 1 && 9 <= a15) && a21 == 10) && a12 <= 11)) || (((a24 == 1 && a21 == 10) && a15 == 5) && 80 < a12)) || (((a24 == 1 && a21 == 8) && a12 <= 11) && 0 < a12 + 43)) || ((((((a24 == 1 && 9 <= a15) && a21 == 10) && 80 < a12) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) && !(7 == a15)) && !(a15 == 8))) || ((a24 == 1 && a15 == 5) && a21 == 8)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || ((a15 == 7 && a24 == 1) && a21 == 10)) || (((a24 == 1 && 9 <= a15) && a21 == 8) && 80 < a12) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) && !(a21 == 10))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((a15 == 7 && a24 == 1) && a12 <= 72) && !(a21 == 7)) && 19 <= a12)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (((a12 <= 73282 && a24 == 1) && a15 == 5) && !(a21 == 10))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a15 == 8 && a24 == 1) && a12 <= 11) && 0 < a12 + 43) || ((a24 == 1 && a15 == 5) && a12 <= 11)) || (((a24 == 1 && a15 == 5) && a12 <= 72) && 19 <= a12)) || (((a12 <= 73282 && a15 == 8) && a24 == 1) && a21 == 8)) || (((a24 == 1 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || (((a12 <= 95434 && 95381 <= a12) && a24 == 1) && a21 <= 6)) || ((a24 == 1 && a21 == 8) && a12 + 526767 <= 0)) || (((((!(7 == a15) && a24 == 1) && a12 <= 11) && a15 <= 8) && !(a21 == 7)) && !(a21 == 10))) || (((a24 == 1 && a21 == 8) && a12 <= 72) && 19 <= a12)) || (a15 == 7 && (a12 + 43 <= 0 && a24 == 1) && a21 == 7)) || (((a24 == 1 && 9 <= a15) && a21 == 10) && a12 <= 11)) || (((a24 == 1 && a21 == 10) && a15 == 5) && 80 < a12)) || (((a24 == 1 && a21 == 8) && a12 <= 11) && 0 < a12 + 43)) || ((((((a24 == 1 && 9 <= a15) && a21 == 10) && 80 < a12) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) && !(7 == a15)) && !(a15 == 8))) || ((a24 == 1 && a15 == 5) && a21 == 8)) || (((a12 + 43 <= 0 && a15 == 8) && a24 == 1) && a21 == 10)) || ((a15 == 7 && a24 == 1) && a21 == 10)) || (((a24 == 1 && 9 <= a15) && a21 == 8) && 80 < a12) || ((a24 == 1 && a21 == 7) && 80 < a12)) || (((a24 == 1 && a21 == 10) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 <= 80 && a15 == 8) && a24 == 1) && !(a21 == 7)) && !(a21 == 10))) || ((a15 == 7 && a24 == 1) && a21 == 8)) || ((((a15 == 7 && a24 == 1) && a12 <= 72) && !(a21 == 7)) && 19 <= a12)) || ((a24 == 1 && a15 <= 8) && a21 <= 6)) || (((a12 <= 73282 && a24 == 1) && a15 == 5) && !(a21 == 10))) || (((a15 == 8 && a24 == 1) && a21 == 10) && 80 < a12)) || ((a15 == 8 && a24 == 1) && a12 + 49 <= 0) - 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, 77.2s OverallTime, 14 OverallIterations, 15 TraceHistogramMax, 51.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2288 SDtfs, 8463 SDslu, 1702 SDs, 0 SdLazy, 24772 SolverSat, 2647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2314 GetRequests, 2245 SyntacticMatches, 12 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11501occurred in iteration=13, 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: 1.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 5612 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 156 NumberOfFragments, 779 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5812 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2952 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 13142 NumberOfCodeBlocks, 13142 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 13125 ConstructedInterpolants, 0 QuantifiedInterpolants, 26969950 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2740 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 48143/49010 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...