java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:28:37,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:28:37,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:28:37,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 11:28:37,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 11:28:37,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 11:28:37,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 11:28:37,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 11:28:37,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 11:28:37,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 11:28:37,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 11:28:37,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 11:28:37,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:28:37,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:28:37,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:28:37,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:28:37,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:28:37,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:28:37,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:28:37,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:28:37,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:28:37,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:28:37,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:28:37,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:28:37,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 11:28:37,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:28:37,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:28:37,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:28:37,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:28:37,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:28:37,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:28:37,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:28:37,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:28:37,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:28:37,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:28:37,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:28:37,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 11:28:37,601 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:28:37,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:28:37,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:28:37,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:28:37,603 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:28:37,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:28:37,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:28:37,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:28:37,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:28:37,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:28:37,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:28:37,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:28:37,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:28:37,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:28:37,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:28:37,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:28:37,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:28:37,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:28:37,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:28:37,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:28:37,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:28:37,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:28:37,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:28:37,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:28:37,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:28:37,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:28:37,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:28:37,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:28:37,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:28:37,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:28:37,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:28:37,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:28:37,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:28:37,662 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:28:37,662 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-09-08 11:28:37,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0256aa1d1/63e42f3d7e4e4b278b1a20a07bc562c4/FLAG22426c105 [2019-09-08 11:28:38,254 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:28:38,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-09-08 11:28:38,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0256aa1d1/63e42f3d7e4e4b278b1a20a07bc562c4/FLAG22426c105 [2019-09-08 11:28:38,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0256aa1d1/63e42f3d7e4e4b278b1a20a07bc562c4 [2019-09-08 11:28:38,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:28:38,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:28:38,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:28:38,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:28:38,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:28:38,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:28:38" (1/1) ... [2019-09-08 11:28:38,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bacf86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:38, skipping insertion in model container [2019-09-08 11:28:38,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:28:38" (1/1) ... [2019-09-08 11:28:38,624 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:28:38,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:28:39,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:28:39,344 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:28:39,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:28:39,519 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:28:39,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39 WrapperNode [2019-09-08 11:28:39,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:28:39,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:28:39,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:28:39,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:28:39,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... [2019-09-08 11:28:39,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... [2019-09-08 11:28:39,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... [2019-09-08 11:28:39,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... [2019-09-08 11:28:39,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... [2019-09-08 11:28:39,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... [2019-09-08 11:28:39,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... [2019-09-08 11:28:39,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:28:39,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:28:39,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:28:39,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:28:39,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2019-09-08 11:28:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:28:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:28:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:28:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:28:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:28:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:28:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:28:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:28:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:28:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:28:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:28:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:28:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:28:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:28:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:28:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:28:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:28:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:28:41,208 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:28:41,208 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:28:41,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:28:41 BoogieIcfgContainer [2019-09-08 11:28:41,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:28:41,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:28:41,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:28:41,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:28:41,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:28:38" (1/3) ... [2019-09-08 11:28:41,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8e0935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:28:41, skipping insertion in model container [2019-09-08 11:28:41,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:28:39" (2/3) ... [2019-09-08 11:28:41,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8e0935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:28:41, skipping insertion in model container [2019-09-08 11:28:41,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:28:41" (3/3) ... [2019-09-08 11:28:41,219 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-09-08 11:28:41,231 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:28:41,259 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-09-08 11:28:41,279 INFO L252 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-09-08 11:28:41,331 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:28:41,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:28:41,332 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:28:41,332 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:28:41,333 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:28:41,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:28:41,333 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:28:41,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:28:41,333 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:28:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2019-09-08 11:28:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:28:41,387 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:41,388 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:41,390 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:41,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:41,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1790086, now seen corresponding path program 1 times [2019-09-08 11:28:41,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:41,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:41,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:41,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:41,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:41,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:41,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:28:41,917 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:28:41,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:28:41,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:28:41,936 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 5 states. [2019-09-08 11:28:42,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:42,457 INFO L93 Difference]: Finished difference Result 484 states and 800 transitions. [2019-09-08 11:28:42,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:28:42,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:28:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:42,499 INFO L225 Difference]: With dead ends: 484 [2019-09-08 11:28:42,499 INFO L226 Difference]: Without dead ends: 323 [2019-09-08 11:28:42,503 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:28:42,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2019-09-08 11:28:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 296. [2019-09-08 11:28:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-09-08 11:28:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 379 transitions. [2019-09-08 11:28:42,595 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 379 transitions. Word has length 52 [2019-09-08 11:28:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:42,596 INFO L475 AbstractCegarLoop]: Abstraction has 296 states and 379 transitions. [2019-09-08 11:28:42,596 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:28:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 379 transitions. [2019-09-08 11:28:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:28:42,600 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:42,600 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:42,600 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:42,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:42,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1791591749, now seen corresponding path program 1 times [2019-09-08 11:28:42,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:42,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:42,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:42,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:42,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:42,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:42,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:28:42,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:28:42,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:28:42,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:28:42,747 INFO L87 Difference]: Start difference. First operand 296 states and 379 transitions. Second operand 5 states. [2019-09-08 11:28:42,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:42,991 INFO L93 Difference]: Finished difference Result 435 states and 573 transitions. [2019-09-08 11:28:42,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:28:42,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:28:42,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:42,996 INFO L225 Difference]: With dead ends: 435 [2019-09-08 11:28:42,996 INFO L226 Difference]: Without dead ends: 280 [2019-09-08 11:28:42,999 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:28:43,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-09-08 11:28:43,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2019-09-08 11:28:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-09-08 11:28:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2019-09-08 11:28:43,057 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 52 [2019-09-08 11:28:43,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:43,058 INFO L475 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2019-09-08 11:28:43,058 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:28:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2019-09-08 11:28:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:28:43,062 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:43,062 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:43,063 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:43,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:43,066 INFO L82 PathProgramCache]: Analyzing trace with hash 142197449, now seen corresponding path program 1 times [2019-09-08 11:28:43,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:43,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:43,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:43,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:43,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:43,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:43,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:28:43,210 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:28:43,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:28:43,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:28:43,211 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand 5 states. [2019-09-08 11:28:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:43,364 INFO L93 Difference]: Finished difference Result 395 states and 515 transitions. [2019-09-08 11:28:43,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:28:43,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:28:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:43,367 INFO L225 Difference]: With dead ends: 395 [2019-09-08 11:28:43,367 INFO L226 Difference]: Without dead ends: 230 [2019-09-08 11:28:43,369 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:28:43,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-09-08 11:28:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2019-09-08 11:28:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-09-08 11:28:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2019-09-08 11:28:43,385 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 52 [2019-09-08 11:28:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:43,385 INFO L475 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2019-09-08 11:28:43,385 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:28:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2019-09-08 11:28:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:28:43,387 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:43,388 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:43,388 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:43,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1470629779, now seen corresponding path program 1 times [2019-09-08 11:28:43,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:43,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:43,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:43,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:43,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:43,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:43,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 11:28:43,575 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 11:28:43,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 11:28:43,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:28:43,576 INFO L87 Difference]: Start difference. First operand 230 states and 294 transitions. Second operand 8 states. [2019-09-08 11:28:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:43,988 INFO L93 Difference]: Finished difference Result 483 states and 634 transitions. [2019-09-08 11:28:43,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 11:28:43,989 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-09-08 11:28:43,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:43,991 INFO L225 Difference]: With dead ends: 483 [2019-09-08 11:28:43,992 INFO L226 Difference]: Without dead ends: 355 [2019-09-08 11:28:43,993 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:28:43,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-09-08 11:28:44,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 230. [2019-09-08 11:28:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-09-08 11:28:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 293 transitions. [2019-09-08 11:28:44,010 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 293 transitions. Word has length 54 [2019-09-08 11:28:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:44,011 INFO L475 AbstractCegarLoop]: Abstraction has 230 states and 293 transitions. [2019-09-08 11:28:44,011 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 11:28:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 293 transitions. [2019-09-08 11:28:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:28:44,012 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:44,012 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:44,013 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:44,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:44,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1262249389, now seen corresponding path program 1 times [2019-09-08 11:28:44,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:44,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:44,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:44,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:44,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:44,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:44,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:28:44,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:28:44,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:28:44,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:28:44,147 INFO L87 Difference]: Start difference. First operand 230 states and 293 transitions. Second operand 9 states. [2019-09-08 11:28:44,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:44,751 INFO L93 Difference]: Finished difference Result 552 states and 747 transitions. [2019-09-08 11:28:44,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:28:44,752 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-09-08 11:28:44,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:44,755 INFO L225 Difference]: With dead ends: 552 [2019-09-08 11:28:44,756 INFO L226 Difference]: Without dead ends: 546 [2019-09-08 11:28:44,756 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:28:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2019-09-08 11:28:44,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 230. [2019-09-08 11:28:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-09-08 11:28:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 292 transitions. [2019-09-08 11:28:44,779 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 292 transitions. Word has length 54 [2019-09-08 11:28:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:44,779 INFO L475 AbstractCegarLoop]: Abstraction has 230 states and 292 transitions. [2019-09-08 11:28:44,779 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:28:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 292 transitions. [2019-09-08 11:28:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:28:44,780 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:44,781 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:44,781 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:44,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:44,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1230659379, now seen corresponding path program 1 times [2019-09-08 11:28:44,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:44,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:44,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:44,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:44,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:44,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:44,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:28:44,917 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:28:44,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:28:44,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:28:44,918 INFO L87 Difference]: Start difference. First operand 230 states and 292 transitions. Second operand 9 states. [2019-09-08 11:28:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:45,684 INFO L93 Difference]: Finished difference Result 555 states and 765 transitions. [2019-09-08 11:28:45,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:28:45,687 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-09-08 11:28:45,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:45,690 INFO L225 Difference]: With dead ends: 555 [2019-09-08 11:28:45,690 INFO L226 Difference]: Without dead ends: 452 [2019-09-08 11:28:45,691 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2019-09-08 11:28:45,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-09-08 11:28:45,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 230. [2019-09-08 11:28:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-09-08 11:28:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 291 transitions. [2019-09-08 11:28:45,711 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 291 transitions. Word has length 54 [2019-09-08 11:28:45,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:45,712 INFO L475 AbstractCegarLoop]: Abstraction has 230 states and 291 transitions. [2019-09-08 11:28:45,712 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:28:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 291 transitions. [2019-09-08 11:28:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:28:45,713 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:45,713 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:45,714 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:45,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:45,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1979337398, now seen corresponding path program 1 times [2019-09-08 11:28:45,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:45,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:45,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:45,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:45,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:46,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:46,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:28:46,183 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:28:46,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:28:46,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:28:46,184 INFO L87 Difference]: Start difference. First operand 230 states and 291 transitions. Second operand 13 states. [2019-09-08 11:28:46,709 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-09-08 11:28:46,856 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-09-08 11:28:47,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:47,614 INFO L93 Difference]: Finished difference Result 835 states and 1173 transitions. [2019-09-08 11:28:47,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:28:47,615 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2019-09-08 11:28:47,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:47,620 INFO L225 Difference]: With dead ends: 835 [2019-09-08 11:28:47,620 INFO L226 Difference]: Without dead ends: 739 [2019-09-08 11:28:47,621 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:28:47,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2019-09-08 11:28:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 218. [2019-09-08 11:28:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-09-08 11:28:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 277 transitions. [2019-09-08 11:28:47,647 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 277 transitions. Word has length 55 [2019-09-08 11:28:47,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:47,647 INFO L475 AbstractCegarLoop]: Abstraction has 218 states and 277 transitions. [2019-09-08 11:28:47,647 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:28:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 277 transitions. [2019-09-08 11:28:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:28:47,648 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:47,649 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:47,649 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:47,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:47,650 INFO L82 PathProgramCache]: Analyzing trace with hash 245455922, now seen corresponding path program 1 times [2019-09-08 11:28:47,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:47,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:47,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:47,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:47,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:48,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:48,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:28:48,451 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:28:48,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:28:48,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:28:48,452 INFO L87 Difference]: Start difference. First operand 218 states and 277 transitions. Second operand 16 states. [2019-09-08 11:28:48,875 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-08 11:28:49,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:49,725 INFO L93 Difference]: Finished difference Result 392 states and 499 transitions. [2019-09-08 11:28:49,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:28:49,726 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 56 [2019-09-08 11:28:49,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:49,728 INFO L225 Difference]: With dead ends: 392 [2019-09-08 11:28:49,728 INFO L226 Difference]: Without dead ends: 388 [2019-09-08 11:28:49,729 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2019-09-08 11:28:49,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2019-09-08 11:28:49,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 222. [2019-09-08 11:28:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-09-08 11:28:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 283 transitions. [2019-09-08 11:28:49,756 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 283 transitions. Word has length 56 [2019-09-08 11:28:49,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:49,756 INFO L475 AbstractCegarLoop]: Abstraction has 222 states and 283 transitions. [2019-09-08 11:28:49,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:28:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 283 transitions. [2019-09-08 11:28:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:28:49,757 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:49,757 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:49,758 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:49,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:49,758 INFO L82 PathProgramCache]: Analyzing trace with hash -44757294, now seen corresponding path program 1 times [2019-09-08 11:28:49,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:49,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:49,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:49,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:49,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:50,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:50,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-08 11:28:50,320 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:28:50,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:28:50,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:28:50,320 INFO L87 Difference]: Start difference. First operand 222 states and 283 transitions. Second operand 15 states. [2019-09-08 11:28:51,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:51,632 INFO L93 Difference]: Finished difference Result 462 states and 628 transitions. [2019-09-08 11:28:51,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:28:51,632 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2019-09-08 11:28:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:51,635 INFO L225 Difference]: With dead ends: 462 [2019-09-08 11:28:51,635 INFO L226 Difference]: Without dead ends: 358 [2019-09-08 11:28:51,638 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:28:51,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2019-09-08 11:28:51,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 222. [2019-09-08 11:28:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-09-08 11:28:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 282 transitions. [2019-09-08 11:28:51,669 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 282 transitions. Word has length 56 [2019-09-08 11:28:51,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:51,669 INFO L475 AbstractCegarLoop]: Abstraction has 222 states and 282 transitions. [2019-09-08 11:28:51,670 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:28:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 282 transitions. [2019-09-08 11:28:51,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:28:51,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:51,671 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:51,671 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:51,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:51,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1652172464, now seen corresponding path program 1 times [2019-09-08 11:28:51,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:51,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:51,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:51,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:51,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:52,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:52,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-08 11:28:52,274 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-08 11:28:52,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-08 11:28:52,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:28:52,275 INFO L87 Difference]: Start difference. First operand 222 states and 282 transitions. Second operand 19 states. [2019-09-08 11:28:52,403 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2019-09-08 11:28:52,924 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-08 11:28:53,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:53,918 INFO L93 Difference]: Finished difference Result 298 states and 375 transitions. [2019-09-08 11:28:53,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:28:53,918 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 57 [2019-09-08 11:28:53,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:53,920 INFO L225 Difference]: With dead ends: 298 [2019-09-08 11:28:53,921 INFO L226 Difference]: Without dead ends: 294 [2019-09-08 11:28:53,921 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2019-09-08 11:28:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-09-08 11:28:53,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 214. [2019-09-08 11:28:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-09-08 11:28:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 272 transitions. [2019-09-08 11:28:53,950 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 272 transitions. Word has length 57 [2019-09-08 11:28:53,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:53,950 INFO L475 AbstractCegarLoop]: Abstraction has 214 states and 272 transitions. [2019-09-08 11:28:53,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-08 11:28:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 272 transitions. [2019-09-08 11:28:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:28:53,951 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:53,951 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:53,952 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:53,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:53,952 INFO L82 PathProgramCache]: Analyzing trace with hash -835334377, now seen corresponding path program 1 times [2019-09-08 11:28:53,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:53,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:53,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:53,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:53,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:54,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:54,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 11:28:54,291 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 11:28:54,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 11:28:54,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-09-08 11:28:54,292 INFO L87 Difference]: Start difference. First operand 214 states and 272 transitions. Second operand 11 states. [2019-09-08 11:28:54,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:54,796 INFO L93 Difference]: Finished difference Result 511 states and 699 transitions. [2019-09-08 11:28:54,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:28:54,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2019-09-08 11:28:54,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:54,799 INFO L225 Difference]: With dead ends: 511 [2019-09-08 11:28:54,799 INFO L226 Difference]: Without dead ends: 423 [2019-09-08 11:28:54,800 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-09-08 11:28:54,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-09-08 11:28:54,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 210. [2019-09-08 11:28:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-08 11:28:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 267 transitions. [2019-09-08 11:28:54,835 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 267 transitions. Word has length 57 [2019-09-08 11:28:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:54,835 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 267 transitions. [2019-09-08 11:28:54,835 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 11:28:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2019-09-08 11:28:54,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 11:28:54,839 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:54,840 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:54,840 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:54,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:54,841 INFO L82 PathProgramCache]: Analyzing trace with hash 112766514, now seen corresponding path program 1 times [2019-09-08 11:28:54,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:54,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:54,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:54,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:54,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:54,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:54,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:54,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:28:54,969 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:28:54,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:28:54,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:28:54,970 INFO L87 Difference]: Start difference. First operand 210 states and 267 transitions. Second operand 9 states. [2019-09-08 11:28:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:55,617 INFO L93 Difference]: Finished difference Result 375 states and 500 transitions. [2019-09-08 11:28:55,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:28:55,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2019-09-08 11:28:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:55,620 INFO L225 Difference]: With dead ends: 375 [2019-09-08 11:28:55,620 INFO L226 Difference]: Without dead ends: 257 [2019-09-08 11:28:55,621 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:28:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-09-08 11:28:55,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 210. [2019-09-08 11:28:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-08 11:28:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 265 transitions. [2019-09-08 11:28:55,652 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 265 transitions. Word has length 58 [2019-09-08 11:28:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:55,653 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 265 transitions. [2019-09-08 11:28:55,653 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:28:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 265 transitions. [2019-09-08 11:28:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 11:28:55,653 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:55,654 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:55,654 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:55,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:55,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1339497390, now seen corresponding path program 1 times [2019-09-08 11:28:55,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:55,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:55,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:55,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:55,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:55,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:55,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:28:55,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:28:55,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:28:55,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:28:55,803 INFO L87 Difference]: Start difference. First operand 210 states and 265 transitions. Second operand 9 states. [2019-09-08 11:28:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:56,350 INFO L93 Difference]: Finished difference Result 342 states and 443 transitions. [2019-09-08 11:28:56,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:28:56,350 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2019-09-08 11:28:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:56,352 INFO L225 Difference]: With dead ends: 342 [2019-09-08 11:28:56,352 INFO L226 Difference]: Without dead ends: 334 [2019-09-08 11:28:56,353 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:28:56,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-09-08 11:28:56,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 210. [2019-09-08 11:28:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-08 11:28:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 264 transitions. [2019-09-08 11:28:56,383 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 264 transitions. Word has length 58 [2019-09-08 11:28:56,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:56,383 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 264 transitions. [2019-09-08 11:28:56,383 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:28:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 264 transitions. [2019-09-08 11:28:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:28:56,384 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:56,384 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:56,385 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:56,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:56,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1355038921, now seen corresponding path program 1 times [2019-09-08 11:28:56,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:56,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:56,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:56,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:56,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:56,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:56,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:28:56,492 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:28:56,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:28:56,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:28:56,492 INFO L87 Difference]: Start difference. First operand 210 states and 264 transitions. Second operand 9 states. [2019-09-08 11:28:56,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:56,952 INFO L93 Difference]: Finished difference Result 342 states and 442 transitions. [2019-09-08 11:28:56,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:28:56,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-09-08 11:28:56,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:56,970 INFO L225 Difference]: With dead ends: 342 [2019-09-08 11:28:56,970 INFO L226 Difference]: Without dead ends: 334 [2019-09-08 11:28:56,971 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:28:56,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-09-08 11:28:57,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 210. [2019-09-08 11:28:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-08 11:28:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 263 transitions. [2019-09-08 11:28:57,004 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 263 transitions. Word has length 59 [2019-09-08 11:28:57,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:57,004 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 263 transitions. [2019-09-08 11:28:57,004 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:28:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 263 transitions. [2019-09-08 11:28:57,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:28:57,005 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:57,005 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:57,006 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:57,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:57,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1142655831, now seen corresponding path program 1 times [2019-09-08 11:28:57,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:57,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:57,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:57,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:57,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:57,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:57,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:28:57,564 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:28:57,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:28:57,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:28:57,565 INFO L87 Difference]: Start difference. First operand 210 states and 263 transitions. Second operand 16 states. [2019-09-08 11:28:59,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:28:59,477 INFO L93 Difference]: Finished difference Result 988 states and 1379 transitions. [2019-09-08 11:28:59,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:28:59,477 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 60 [2019-09-08 11:28:59,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:28:59,483 INFO L225 Difference]: With dead ends: 988 [2019-09-08 11:28:59,483 INFO L226 Difference]: Without dead ends: 982 [2019-09-08 11:28:59,487 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2019-09-08 11:28:59,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2019-09-08 11:28:59,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 210. [2019-09-08 11:28:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-08 11:28:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 262 transitions. [2019-09-08 11:28:59,530 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 262 transitions. Word has length 60 [2019-09-08 11:28:59,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:28:59,531 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 262 transitions. [2019-09-08 11:28:59,531 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:28:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 262 transitions. [2019-09-08 11:28:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:28:59,531 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:28:59,532 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:28:59,532 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:28:59,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:28:59,532 INFO L82 PathProgramCache]: Analyzing trace with hash -126919753, now seen corresponding path program 1 times [2019-09-08 11:28:59,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:28:59,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:28:59,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:59,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:28:59,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:28:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:28:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:28:59,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:28:59,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:28:59,937 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:28:59,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:28:59,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:28:59,937 INFO L87 Difference]: Start difference. First operand 210 states and 262 transitions. Second operand 18 states. [2019-09-08 11:29:00,088 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-08 11:29:00,508 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-08 11:29:01,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:01,387 INFO L93 Difference]: Finished difference Result 361 states and 457 transitions. [2019-09-08 11:29:01,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:29:01,387 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 60 [2019-09-08 11:29:01,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:01,389 INFO L225 Difference]: With dead ends: 361 [2019-09-08 11:29:01,389 INFO L226 Difference]: Without dead ends: 352 [2019-09-08 11:29:01,390 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=239, Invalid=951, Unknown=0, NotChecked=0, Total=1190 [2019-09-08 11:29:01,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2019-09-08 11:29:01,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 213. [2019-09-08 11:29:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-09-08 11:29:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 265 transitions. [2019-09-08 11:29:01,425 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 265 transitions. Word has length 60 [2019-09-08 11:29:01,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:01,425 INFO L475 AbstractCegarLoop]: Abstraction has 213 states and 265 transitions. [2019-09-08 11:29:01,425 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:29:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 265 transitions. [2019-09-08 11:29:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 11:29:01,426 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:01,426 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:01,427 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1510418109, now seen corresponding path program 1 times [2019-09-08 11:29:01,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:01,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:01,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:01,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:01,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:02,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:02,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:29:02,065 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:29:02,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:29:02,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:29:02,066 INFO L87 Difference]: Start difference. First operand 213 states and 265 transitions. Second operand 13 states. [2019-09-08 11:29:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:02,862 INFO L93 Difference]: Finished difference Result 417 states and 557 transitions. [2019-09-08 11:29:02,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:29:02,862 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 61 [2019-09-08 11:29:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:02,864 INFO L225 Difference]: With dead ends: 417 [2019-09-08 11:29:02,865 INFO L226 Difference]: Without dead ends: 401 [2019-09-08 11:29:02,865 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:29:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-09-08 11:29:02,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 197. [2019-09-08 11:29:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-09-08 11:29:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 247 transitions. [2019-09-08 11:29:02,904 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 247 transitions. Word has length 61 [2019-09-08 11:29:02,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:02,905 INFO L475 AbstractCegarLoop]: Abstraction has 197 states and 247 transitions. [2019-09-08 11:29:02,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:29:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2019-09-08 11:29:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 11:29:02,905 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:02,906 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:02,906 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:02,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1541387915, now seen corresponding path program 1 times [2019-09-08 11:29:02,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:02,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:02,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:02,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:02,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:03,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:03,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 11:29:03,251 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 11:29:03,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 11:29:03,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 11:29:03,252 INFO L87 Difference]: Start difference. First operand 197 states and 247 transitions. Second operand 12 states. [2019-09-08 11:29:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:04,491 INFO L93 Difference]: Finished difference Result 702 states and 966 transitions. [2019-09-08 11:29:04,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:29:04,492 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2019-09-08 11:29:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:04,496 INFO L225 Difference]: With dead ends: 702 [2019-09-08 11:29:04,496 INFO L226 Difference]: Without dead ends: 696 [2019-09-08 11:29:04,497 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:29:04,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2019-09-08 11:29:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 191. [2019-09-08 11:29:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-09-08 11:29:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 241 transitions. [2019-09-08 11:29:04,539 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 241 transitions. Word has length 61 [2019-09-08 11:29:04,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:04,539 INFO L475 AbstractCegarLoop]: Abstraction has 191 states and 241 transitions. [2019-09-08 11:29:04,539 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 11:29:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 241 transitions. [2019-09-08 11:29:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 11:29:04,540 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:04,540 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:04,541 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:04,541 INFO L82 PathProgramCache]: Analyzing trace with hash -193814788, now seen corresponding path program 1 times [2019-09-08 11:29:04,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:04,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:04,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:04,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:04,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:05,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:05,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:29:05,382 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:29:05,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:29:05,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:29:05,383 INFO L87 Difference]: Start difference. First operand 191 states and 241 transitions. Second operand 18 states. [2019-09-08 11:29:06,106 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-08 11:29:06,251 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:29:06,405 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:29:06,561 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-08 11:29:06,726 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 11:29:07,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:07,330 INFO L93 Difference]: Finished difference Result 200 states and 249 transitions. [2019-09-08 11:29:07,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:29:07,334 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 61 [2019-09-08 11:29:07,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:07,335 INFO L225 Difference]: With dead ends: 200 [2019-09-08 11:29:07,335 INFO L226 Difference]: Without dead ends: 191 [2019-09-08 11:29:07,336 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2019-09-08 11:29:07,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-09-08 11:29:07,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-09-08 11:29:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-09-08 11:29:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 240 transitions. [2019-09-08 11:29:07,376 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 240 transitions. Word has length 61 [2019-09-08 11:29:07,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:07,376 INFO L475 AbstractCegarLoop]: Abstraction has 191 states and 240 transitions. [2019-09-08 11:29:07,376 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:29:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 240 transitions. [2019-09-08 11:29:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-08 11:29:07,377 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:07,377 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:07,378 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:07,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:07,378 INFO L82 PathProgramCache]: Analyzing trace with hash 853354510, now seen corresponding path program 1 times [2019-09-08 11:29:07,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:07,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:07,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:07,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:07,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:08,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:08,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:08,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-09-08 11:29:08,080 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:29:08,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:29:08,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:29:08,081 INFO L87 Difference]: Start difference. First operand 191 states and 240 transitions. Second operand 20 states. [2019-09-08 11:29:08,227 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2019-09-08 11:29:10,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:10,089 INFO L93 Difference]: Finished difference Result 191 states and 240 transitions. [2019-09-08 11:29:10,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-08 11:29:10,089 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 62 [2019-09-08 11:29:10,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:10,090 INFO L225 Difference]: With dead ends: 191 [2019-09-08 11:29:10,090 INFO L226 Difference]: Without dead ends: 171 [2019-09-08 11:29:10,091 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2019-09-08 11:29:10,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-09-08 11:29:10,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-09-08 11:29:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-09-08 11:29:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 220 transitions. [2019-09-08 11:29:10,122 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 220 transitions. Word has length 62 [2019-09-08 11:29:10,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:10,122 INFO L475 AbstractCegarLoop]: Abstraction has 171 states and 220 transitions. [2019-09-08 11:29:10,122 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 11:29:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 220 transitions. [2019-09-08 11:29:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:29:10,123 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:10,123 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:10,123 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:10,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:10,124 INFO L82 PathProgramCache]: Analyzing trace with hash -48178293, now seen corresponding path program 1 times [2019-09-08 11:29:10,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:10,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:10,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:10,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:10,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:10,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:10,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:29:10,187 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:29:10,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:29:10,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:10,187 INFO L87 Difference]: Start difference. First operand 171 states and 220 transitions. Second operand 3 states. [2019-09-08 11:29:10,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:10,266 INFO L93 Difference]: Finished difference Result 331 states and 456 transitions. [2019-09-08 11:29:10,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:29:10,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-08 11:29:10,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:10,268 INFO L225 Difference]: With dead ends: 331 [2019-09-08 11:29:10,268 INFO L226 Difference]: Without dead ends: 247 [2019-09-08 11:29:10,269 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:10,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-09-08 11:29:10,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 245. [2019-09-08 11:29:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-09-08 11:29:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 327 transitions. [2019-09-08 11:29:10,327 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 327 transitions. Word has length 79 [2019-09-08 11:29:10,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:10,327 INFO L475 AbstractCegarLoop]: Abstraction has 245 states and 327 transitions. [2019-09-08 11:29:10,327 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:29:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 327 transitions. [2019-09-08 11:29:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:29:10,328 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:10,328 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:10,329 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:10,329 INFO L82 PathProgramCache]: Analyzing trace with hash 279854363, now seen corresponding path program 1 times [2019-09-08 11:29:10,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:10,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:10,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:10,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:10,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:10,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:10,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:29:10,384 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:29:10,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:29:10,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:10,387 INFO L87 Difference]: Start difference. First operand 245 states and 327 transitions. Second operand 3 states. [2019-09-08 11:29:10,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:10,551 INFO L93 Difference]: Finished difference Result 541 states and 757 transitions. [2019-09-08 11:29:10,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:29:10,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-08 11:29:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:10,555 INFO L225 Difference]: With dead ends: 541 [2019-09-08 11:29:10,555 INFO L226 Difference]: Without dead ends: 383 [2019-09-08 11:29:10,557 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:10,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-09-08 11:29:10,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 381. [2019-09-08 11:29:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-09-08 11:29:10,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 519 transitions. [2019-09-08 11:29:10,659 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 519 transitions. Word has length 81 [2019-09-08 11:29:10,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:10,660 INFO L475 AbstractCegarLoop]: Abstraction has 381 states and 519 transitions. [2019-09-08 11:29:10,660 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:29:10,660 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 519 transitions. [2019-09-08 11:29:10,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:29:10,661 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:10,662 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:10,662 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:10,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:10,662 INFO L82 PathProgramCache]: Analyzing trace with hash 346347875, now seen corresponding path program 1 times [2019-09-08 11:29:10,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:10,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:10,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:10,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:10,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:10,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:10,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:29:10,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:29:10,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:29:10,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:10,728 INFO L87 Difference]: Start difference. First operand 381 states and 519 transitions. Second operand 3 states. [2019-09-08 11:29:10,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:10,873 INFO L93 Difference]: Finished difference Result 827 states and 1161 transitions. [2019-09-08 11:29:10,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:29:10,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-08 11:29:10,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:10,876 INFO L225 Difference]: With dead ends: 827 [2019-09-08 11:29:10,876 INFO L226 Difference]: Without dead ends: 533 [2019-09-08 11:29:10,877 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:10,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-09-08 11:29:10,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2019-09-08 11:29:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-09-08 11:29:10,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 731 transitions. [2019-09-08 11:29:10,989 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 731 transitions. Word has length 81 [2019-09-08 11:29:10,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:10,990 INFO L475 AbstractCegarLoop]: Abstraction has 531 states and 731 transitions. [2019-09-08 11:29:10,990 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:29:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 731 transitions. [2019-09-08 11:29:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:29:10,991 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:10,991 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:10,992 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:10,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:10,992 INFO L82 PathProgramCache]: Analyzing trace with hash 365336372, now seen corresponding path program 1 times [2019-09-08 11:29:10,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:10,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:10,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:10,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:10,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:11,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:11,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:29:11,075 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:29:11,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:29:11,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:29:11,075 INFO L87 Difference]: Start difference. First operand 531 states and 731 transitions. Second operand 7 states. [2019-09-08 11:29:11,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:11,826 INFO L93 Difference]: Finished difference Result 2379 states and 3351 transitions. [2019-09-08 11:29:11,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:29:11,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2019-09-08 11:29:11,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:11,833 INFO L225 Difference]: With dead ends: 2379 [2019-09-08 11:29:11,833 INFO L226 Difference]: Without dead ends: 1935 [2019-09-08 11:29:11,834 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:29:11,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2019-09-08 11:29:12,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1093. [2019-09-08 11:29:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1093 states. [2019-09-08 11:29:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1535 transitions. [2019-09-08 11:29:12,075 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1535 transitions. Word has length 81 [2019-09-08 11:29:12,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:12,075 INFO L475 AbstractCegarLoop]: Abstraction has 1093 states and 1535 transitions. [2019-09-08 11:29:12,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:29:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1535 transitions. [2019-09-08 11:29:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:29:12,076 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:12,076 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:12,077 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash 980014388, now seen corresponding path program 1 times [2019-09-08 11:29:12,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:12,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:12,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:12,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:12,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:12,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:12,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:29:12,189 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:29:12,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:29:12,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:29:12,190 INFO L87 Difference]: Start difference. First operand 1093 states and 1535 transitions. Second operand 7 states. [2019-09-08 11:29:13,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:13,087 INFO L93 Difference]: Finished difference Result 3987 states and 5672 transitions. [2019-09-08 11:29:13,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:29:13,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2019-09-08 11:29:13,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:13,096 INFO L225 Difference]: With dead ends: 3987 [2019-09-08 11:29:13,096 INFO L226 Difference]: Without dead ends: 2981 [2019-09-08 11:29:13,099 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:29:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2019-09-08 11:29:13,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 1881. [2019-09-08 11:29:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2019-09-08 11:29:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2661 transitions. [2019-09-08 11:29:13,497 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2661 transitions. Word has length 81 [2019-09-08 11:29:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:13,498 INFO L475 AbstractCegarLoop]: Abstraction has 1881 states and 2661 transitions. [2019-09-08 11:29:13,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:29:13,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2661 transitions. [2019-09-08 11:29:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:29:13,499 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:13,499 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:13,500 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:13,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:13,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1086450892, now seen corresponding path program 1 times [2019-09-08 11:29:13,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:13,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:13,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:13,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:13,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:13,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:13,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:29:13,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:29:13,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:29:13,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:29:13,584 INFO L87 Difference]: Start difference. First operand 1881 states and 2661 transitions. Second operand 7 states. [2019-09-08 11:29:14,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:14,666 INFO L93 Difference]: Finished difference Result 5881 states and 8293 transitions. [2019-09-08 11:29:14,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:29:14,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2019-09-08 11:29:14,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:14,679 INFO L225 Difference]: With dead ends: 5881 [2019-09-08 11:29:14,679 INFO L226 Difference]: Without dead ends: 4087 [2019-09-08 11:29:14,682 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:29:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4087 states. [2019-09-08 11:29:15,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4087 to 2389. [2019-09-08 11:29:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2389 states. [2019-09-08 11:29:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3333 transitions. [2019-09-08 11:29:15,400 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3333 transitions. Word has length 81 [2019-09-08 11:29:15,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:15,400 INFO L475 AbstractCegarLoop]: Abstraction has 2389 states and 3333 transitions. [2019-09-08 11:29:15,401 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:29:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3333 transitions. [2019-09-08 11:29:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-08 11:29:15,403 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:15,403 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:15,403 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:15,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:15,403 INFO L82 PathProgramCache]: Analyzing trace with hash 158803972, now seen corresponding path program 1 times [2019-09-08 11:29:15,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:15,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:15,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:15,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:15,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:15,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:15,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:29:15,454 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:29:15,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:29:15,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:15,454 INFO L87 Difference]: Start difference. First operand 2389 states and 3333 transitions. Second operand 3 states. [2019-09-08 11:29:16,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:16,005 INFO L93 Difference]: Finished difference Result 4483 states and 6257 transitions. [2019-09-08 11:29:16,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:29:16,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-09-08 11:29:16,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:16,015 INFO L225 Difference]: With dead ends: 4483 [2019-09-08 11:29:16,015 INFO L226 Difference]: Without dead ends: 2181 [2019-09-08 11:29:16,019 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2019-09-08 11:29:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 1769. [2019-09-08 11:29:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1769 states. [2019-09-08 11:29:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2416 transitions. [2019-09-08 11:29:16,509 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2416 transitions. Word has length 82 [2019-09-08 11:29:16,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:16,509 INFO L475 AbstractCegarLoop]: Abstraction has 1769 states and 2416 transitions. [2019-09-08 11:29:16,509 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:29:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2416 transitions. [2019-09-08 11:29:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 11:29:16,510 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:16,511 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:16,511 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:16,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:16,511 INFO L82 PathProgramCache]: Analyzing trace with hash -205212407, now seen corresponding path program 1 times [2019-09-08 11:29:16,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:16,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:16,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:16,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:16,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:16,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:16,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:29:16,562 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:29:16,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:29:16,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:16,562 INFO L87 Difference]: Start difference. First operand 1769 states and 2416 transitions. Second operand 3 states. [2019-09-08 11:29:17,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:17,442 INFO L93 Difference]: Finished difference Result 4149 states and 5680 transitions. [2019-09-08 11:29:17,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:29:17,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-09-08 11:29:17,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:17,452 INFO L225 Difference]: With dead ends: 4149 [2019-09-08 11:29:17,452 INFO L226 Difference]: Without dead ends: 2467 [2019-09-08 11:29:17,455 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:17,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2019-09-08 11:29:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2237. [2019-09-08 11:29:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2237 states. [2019-09-08 11:29:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 2237 states and 3033 transitions. [2019-09-08 11:29:18,019 INFO L78 Accepts]: Start accepts. Automaton has 2237 states and 3033 transitions. Word has length 83 [2019-09-08 11:29:18,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:18,020 INFO L475 AbstractCegarLoop]: Abstraction has 2237 states and 3033 transitions. [2019-09-08 11:29:18,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:29:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 3033 transitions. [2019-09-08 11:29:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 11:29:18,021 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:18,021 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:18,022 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:18,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:18,022 INFO L82 PathProgramCache]: Analyzing trace with hash 469836024, now seen corresponding path program 1 times [2019-09-08 11:29:18,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:18,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:18,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:18,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:18,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:18,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:18,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:29:18,129 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:29:18,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:29:18,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:29:18,129 INFO L87 Difference]: Start difference. First operand 2237 states and 3033 transitions. Second operand 5 states. [2019-09-08 11:29:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:19,201 INFO L93 Difference]: Finished difference Result 5837 states and 7982 transitions. [2019-09-08 11:29:19,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:29:19,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-09-08 11:29:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:19,215 INFO L225 Difference]: With dead ends: 5837 [2019-09-08 11:29:19,216 INFO L226 Difference]: Without dead ends: 3687 [2019-09-08 11:29:19,220 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:29:19,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2019-09-08 11:29:20,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3683. [2019-09-08 11:29:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3683 states. [2019-09-08 11:29:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3683 states and 4981 transitions. [2019-09-08 11:29:20,198 INFO L78 Accepts]: Start accepts. Automaton has 3683 states and 4981 transitions. Word has length 84 [2019-09-08 11:29:20,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:20,199 INFO L475 AbstractCegarLoop]: Abstraction has 3683 states and 4981 transitions. [2019-09-08 11:29:20,199 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:29:20,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 4981 transitions. [2019-09-08 11:29:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 11:29:20,200 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:20,200 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:20,200 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:20,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:20,201 INFO L82 PathProgramCache]: Analyzing trace with hash 2066603833, now seen corresponding path program 1 times [2019-09-08 11:29:20,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:20,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:20,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:20,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:20,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:20,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:20,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:20,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:29:20,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:29:20,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:29:20,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:29:20,277 INFO L87 Difference]: Start difference. First operand 3683 states and 4981 transitions. Second operand 6 states. [2019-09-08 11:29:21,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:21,628 INFO L93 Difference]: Finished difference Result 5081 states and 6815 transitions. [2019-09-08 11:29:21,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:29:21,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-09-08 11:29:21,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:21,645 INFO L225 Difference]: With dead ends: 5081 [2019-09-08 11:29:21,645 INFO L226 Difference]: Without dead ends: 5079 [2019-09-08 11:29:21,648 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:29:21,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2019-09-08 11:29:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 3719. [2019-09-08 11:29:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3719 states. [2019-09-08 11:29:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 4997 transitions. [2019-09-08 11:29:22,606 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 4997 transitions. Word has length 84 [2019-09-08 11:29:22,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:22,607 INFO L475 AbstractCegarLoop]: Abstraction has 3719 states and 4997 transitions. [2019-09-08 11:29:22,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:29:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4997 transitions. [2019-09-08 11:29:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:29:22,609 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:22,610 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:22,610 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:22,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:22,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1575114626, now seen corresponding path program 1 times [2019-09-08 11:29:22,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:22,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:22,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:22,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:22,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 11:29:22,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:22,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:29:22,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:29:22,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:29:22,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:29:22,694 INFO L87 Difference]: Start difference. First operand 3719 states and 4997 transitions. Second operand 5 states. [2019-09-08 11:29:24,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:24,336 INFO L93 Difference]: Finished difference Result 9793 states and 13154 transitions. [2019-09-08 11:29:24,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:29:24,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2019-09-08 11:29:24,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:24,350 INFO L225 Difference]: With dead ends: 9793 [2019-09-08 11:29:24,350 INFO L226 Difference]: Without dead ends: 6161 [2019-09-08 11:29:24,357 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:29:24,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6161 states. [2019-09-08 11:29:25,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6161 to 4919. [2019-09-08 11:29:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4919 states. [2019-09-08 11:29:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 6621 transitions. [2019-09-08 11:29:25,752 INFO L78 Accepts]: Start accepts. Automaton has 4919 states and 6621 transitions. Word has length 105 [2019-09-08 11:29:25,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:25,753 INFO L475 AbstractCegarLoop]: Abstraction has 4919 states and 6621 transitions. [2019-09-08 11:29:25,753 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:29:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 6621 transitions. [2019-09-08 11:29:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:29:25,755 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:25,755 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:25,755 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:25,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:25,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1268065406, now seen corresponding path program 1 times [2019-09-08 11:29:25,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:25,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:25,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:25,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:25,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:25,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:25,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:29:25,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:29:25,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:29:25,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:25,815 INFO L87 Difference]: Start difference. First operand 4919 states and 6621 transitions. Second operand 3 states. [2019-09-08 11:29:27,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:27,289 INFO L93 Difference]: Finished difference Result 8907 states and 12002 transitions. [2019-09-08 11:29:27,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:29:27,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-09-08 11:29:27,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:27,301 INFO L225 Difference]: With dead ends: 8907 [2019-09-08 11:29:27,301 INFO L226 Difference]: Without dead ends: 5483 [2019-09-08 11:29:27,307 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:29:27,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2019-09-08 11:29:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5345. [2019-09-08 11:29:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5345 states. [2019-09-08 11:29:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 5345 states and 7121 transitions. [2019-09-08 11:29:28,780 INFO L78 Accepts]: Start accepts. Automaton has 5345 states and 7121 transitions. Word has length 105 [2019-09-08 11:29:28,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:28,780 INFO L475 AbstractCegarLoop]: Abstraction has 5345 states and 7121 transitions. [2019-09-08 11:29:28,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:29:28,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 7121 transitions. [2019-09-08 11:29:28,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:29:28,781 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:28,782 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:28,782 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:28,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:28,782 INFO L82 PathProgramCache]: Analyzing trace with hash -602099539, now seen corresponding path program 1 times [2019-09-08 11:29:28,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:28,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:28,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:28,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:28,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-08 11:29:28,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:29:28,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:29:28,875 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:29:28,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:29:28,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:29:28,875 INFO L87 Difference]: Start difference. First operand 5345 states and 7121 transitions. Second operand 5 states. [2019-09-08 11:29:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:29:32,077 INFO L93 Difference]: Finished difference Result 18405 states and 24449 transitions. [2019-09-08 11:29:32,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:29:32,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2019-09-08 11:29:32,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:29:32,097 INFO L225 Difference]: With dead ends: 18405 [2019-09-08 11:29:32,097 INFO L226 Difference]: Without dead ends: 13153 [2019-09-08 11:29:32,106 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:29:32,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13153 states. [2019-09-08 11:29:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13153 to 7917. [2019-09-08 11:29:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7917 states. [2019-09-08 11:29:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7917 states to 7917 states and 10505 transitions. [2019-09-08 11:29:34,272 INFO L78 Accepts]: Start accepts. Automaton has 7917 states and 10505 transitions. Word has length 106 [2019-09-08 11:29:34,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:29:34,272 INFO L475 AbstractCegarLoop]: Abstraction has 7917 states and 10505 transitions. [2019-09-08 11:29:34,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:29:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 7917 states and 10505 transitions. [2019-09-08 11:29:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:29:34,275 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:29:34,275 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:29:34,275 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:29:34,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:29:34,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1626402477, now seen corresponding path program 1 times [2019-09-08 11:29:34,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:29:34,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:29:34,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:34,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:34,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:29:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:29:34,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:29:34,542 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2019-09-08 11:29:34,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:29:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:29:34,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 11:29:34,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:29:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 11:29:34,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 11:29:34,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2019-09-08 11:29:34,870 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:29:34,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:29:34,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:29:34,881 INFO L87 Difference]: Start difference. First operand 7917 states and 10505 transitions. Second operand 15 states. [2019-09-08 11:29:35,996 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-08 11:29:38,098 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2019-09-08 11:29:40,819 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-08 11:29:44,084 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-08 11:29:46,031 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2019-09-08 11:29:47,078 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-09-08 11:29:48,095 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-08 11:30:06,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:06,828 INFO L93 Difference]: Finished difference Result 81141 states and 105688 transitions. [2019-09-08 11:30:06,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2019-09-08 11:30:06,829 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 106 [2019-09-08 11:30:06,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:07,114 INFO L225 Difference]: With dead ends: 81141 [2019-09-08 11:30:07,115 INFO L226 Difference]: Without dead ends: 73317 [2019-09-08 11:30:07,149 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5278 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=2742, Invalid=10830, Unknown=0, NotChecked=0, Total=13572 [2019-09-08 11:30:07,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73317 states. [2019-09-08 11:30:16,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73317 to 26865. [2019-09-08 11:30:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26865 states. [2019-09-08 11:30:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26865 states to 26865 states and 35457 transitions. [2019-09-08 11:30:16,392 INFO L78 Accepts]: Start accepts. Automaton has 26865 states and 35457 transitions. Word has length 106 [2019-09-08 11:30:16,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:16,392 INFO L475 AbstractCegarLoop]: Abstraction has 26865 states and 35457 transitions. [2019-09-08 11:30:16,392 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:30:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 26865 states and 35457 transitions. [2019-09-08 11:30:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-08 11:30:16,397 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:16,397 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:16,398 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:16,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:16,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1691078651, now seen corresponding path program 1 times [2019-09-08 11:30:16,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:16,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:16,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:16,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:16,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-08 11:30:16,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:16,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:30:16,547 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:30:16,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:30:16,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:30:16,548 INFO L87 Difference]: Start difference. First operand 26865 states and 35457 transitions. Second operand 9 states. [2019-09-08 11:30:27,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:27,797 INFO L93 Difference]: Finished difference Result 65125 states and 85829 transitions. [2019-09-08 11:30:27,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:30:27,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2019-09-08 11:30:27,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:27,857 INFO L225 Difference]: With dead ends: 65125 [2019-09-08 11:30:27,858 INFO L226 Difference]: Without dead ends: 38349 [2019-09-08 11:30:27,906 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:30:27,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38349 states. [2019-09-08 11:30:36,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38349 to 26865. [2019-09-08 11:30:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26865 states. [2019-09-08 11:30:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26865 states to 26865 states and 35453 transitions. [2019-09-08 11:30:36,441 INFO L78 Accepts]: Start accepts. Automaton has 26865 states and 35453 transitions. Word has length 108 [2019-09-08 11:30:36,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:36,441 INFO L475 AbstractCegarLoop]: Abstraction has 26865 states and 35453 transitions. [2019-09-08 11:30:36,441 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:30:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 26865 states and 35453 transitions. [2019-09-08 11:30:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-08 11:30:36,446 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:36,446 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:36,446 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:36,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:36,447 INFO L82 PathProgramCache]: Analyzing trace with hash -519527990, now seen corresponding path program 1 times [2019-09-08 11:30:36,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:36,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:36,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:36,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:36,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:36,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:30:36,694 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2019-09-08 11:30:36,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:36,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 20 conjunts are in the unsatisfiable core [2019-09-08 11:30:36,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:30:37,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:30:37,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:30:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:37,639 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:30:37,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2019-09-08 11:30:37,640 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:30:37,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:30:37,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:30:37,643 INFO L87 Difference]: Start difference. First operand 26865 states and 35453 transitions. Second operand 18 states. [2019-09-08 11:30:38,345 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-08 11:30:38,621 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 11:30:39,181 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-08 11:30:39,659 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-08 11:30:39,823 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:30:40,079 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-08 11:30:40,583 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-08 11:30:41,052 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-08 11:30:41,248 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:30:41,488 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-08 11:30:41,636 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:30:41,962 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-08 11:30:42,257 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:30:42,998 WARN L188 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-08 11:30:43,157 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:30:43,442 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-08 11:30:43,813 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 11:30:44,270 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-08 11:30:44,633 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:30:45,806 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-08 11:30:46,363 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-08 11:30:46,726 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-08 11:30:47,211 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-08 11:30:48,919 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-08 11:30:49,142 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:30:49,447 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-08 11:30:49,735 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:30:50,166 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:30:50,377 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-08 11:30:50,677 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:30:50,981 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-08 11:30:51,222 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-08 11:30:51,487 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:30:51,796 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-08 11:30:52,162 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 11:30:52,634 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 11:30:53,045 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:30:53,346 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-08 11:31:23,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:23,634 INFO L93 Difference]: Finished difference Result 114741 states and 148685 transitions. [2019-09-08 11:31:23,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-09-08 11:31:23,634 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 110 [2019-09-08 11:31:23,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:23,787 INFO L225 Difference]: With dead ends: 114741 [2019-09-08 11:31:23,788 INFO L226 Difference]: Without dead ends: 90289 [2019-09-08 11:31:23,840 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=924, Invalid=3366, Unknown=0, NotChecked=0, Total=4290 [2019-09-08 11:31:23,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90289 states. [2019-09-08 11:31:41,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90289 to 44603. [2019-09-08 11:31:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44603 states. [2019-09-08 11:31:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44603 states to 44603 states and 58443 transitions. [2019-09-08 11:31:41,283 INFO L78 Accepts]: Start accepts. Automaton has 44603 states and 58443 transitions. Word has length 110 [2019-09-08 11:31:41,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:41,284 INFO L475 AbstractCegarLoop]: Abstraction has 44603 states and 58443 transitions. [2019-09-08 11:31:41,284 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:31:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 44603 states and 58443 transitions. [2019-09-08 11:31:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-08 11:31:41,289 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:41,289 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:41,289 INFO L418 AbstractCegarLoop]: === Iteration 37 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:41,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1794514331, now seen corresponding path program 1 times [2019-09-08 11:31:41,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:41,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:41,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:41,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:41,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:41,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:31:41,738 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2019-09-08 11:31:41,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:41,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-08 11:31:41,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:31:42,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:31:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:42,516 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:31:42,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2019-09-08 11:31:42,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-08 11:31:42,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-08 11:31:42,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:31:42,517 INFO L87 Difference]: Start difference. First operand 44603 states and 58443 transitions. Second operand 26 states. [2019-09-08 11:31:44,886 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:31:45,269 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 11:31:46,082 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-08 11:31:48,906 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:31:49,100 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:31:50,161 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:31:50,622 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:31:50,918 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:31:51,282 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:31:51,452 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:31:51,682 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:31:52,087 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:31:54,407 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:31:55,266 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:31:56,553 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-08 11:31:57,444 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:31:57,781 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 11:31:58,616 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:31:58,986 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 11:31:59,235 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-08 11:31:59,756 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:32:00,018 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:32:00,246 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:32:00,792 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:32:01,908 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 11:32:02,338 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:32:02,805 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:32:03,099 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:32:03,292 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:32:04,131 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:32:04,997 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:32:05,642 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:32:05,978 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:32:06,277 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-08 11:32:06,925 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:32:07,237 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 11:32:07,724 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:32:07,961 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:32:08,161 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:32:08,390 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:32:09,200 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 11:32:09,526 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:32:10,179 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-08 11:32:10,442 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:32:10,673 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:32:11,117 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-08 11:32:11,369 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:32:16,898 WARN L188 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:32:17,584 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:32:17,854 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:32:18,318 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:32:18,794 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 11:32:19,337 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 11:32:19,638 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:32:19,887 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:32:20,332 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-08 11:32:20,672 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:32:22,569 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 11:32:23,705 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:32:24,272 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:32:24,997 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:32:25,594 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 11:32:25,822 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:32:26,192 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:32:26,616 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:32:26,878 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-08 11:32:27,128 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:32:27,326 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-08 11:32:28,827 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:32:29,790 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:32:30,426 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 11:32:31,063 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 11:32:31,550 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-08 11:32:32,123 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:32:33,153 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-08 11:32:34,843 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-08 11:32:35,718 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-08 11:32:36,153 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-08 11:32:36,513 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:32:36,817 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-08 11:32:39,943 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-08 11:32:41,876 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:32:42,135 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:32:42,882 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:32:43,404 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:32:44,548 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 11:32:44,814 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:32:45,067 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:32:45,690 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-08 11:32:46,271 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:32:46,740 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:32:47,474 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 11:32:48,185 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:32:48,772 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:32:49,224 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 11:32:50,037 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 11:32:50,810 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:32:51,629 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:32:52,870 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-08 11:32:53,257 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-08 11:32:53,459 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:32:54,067 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:32:54,483 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:32:55,200 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-08 11:32:57,691 WARN L188 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-08 11:32:58,501 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:32:58,952 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-09-08 11:32:59,185 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:32:59,826 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:33:00,317 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:33:01,009 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:33:02,562 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:33:03,117 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:33:03,423 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:33:04,575 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:33:05,577 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:33:06,181 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:33:06,451 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-08 11:33:06,682 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 11:33:07,734 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:33:08,088 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:33:08,420 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:33:08,882 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-08 11:33:09,102 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-08 11:33:10,093 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:33:10,483 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:33:11,879 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-08 11:33:12,137 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-08 11:33:12,379 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:33:12,830 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:33:13,752 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:33:15,133 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:33:15,626 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:33:16,012 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:33:16,494 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:33:16,862 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:33:19,498 WARN L188 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:33:20,065 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:33:21,098 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:33:21,807 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:33:23,125 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 11:33:23,693 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:33:26,562 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-08 11:33:28,821 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:33:29,130 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 11:33:29,432 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:33:29,976 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-08 11:33:31,018 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:33:31,589 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-08 11:33:31,947 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:33:32,328 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:33:32,767 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-08 11:33:33,319 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:33:34,410 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:33:34,885 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:33:35,705 WARN L188 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:33:35,953 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-08 11:33:36,213 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:33:36,750 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:33:36,983 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-08 11:33:37,774 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-08 11:33:38,083 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-08 11:33:38,353 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:33:40,814 WARN L188 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 11:33:41,125 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:33:41,419 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 11:33:41,648 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2019-09-08 11:33:42,218 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:33:42,539 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-08 11:33:42,835 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:33:43,603 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:33:43,861 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-08 11:33:44,087 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-08 11:33:44,975 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-08 11:33:45,818 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:33:46,047 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-08 11:33:46,439 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-08 11:33:47,444 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-09-08 11:33:48,056 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:33:48,332 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:33:48,522 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:33:49,050 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:33:49,942 WARN L188 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-08 11:33:51,591 WARN L188 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:33:52,547 WARN L188 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-08 11:33:53,053 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-08 11:33:53,318 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-08 11:33:53,802 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 11:33:54,140 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-08 11:33:54,409 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:33:55,048 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:33:55,422 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:33:55,801 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:33:56,352 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:33:56,686 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:33:57,010 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 11:33:57,395 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:33:58,553 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-08 11:33:59,087 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-08 11:33:59,394 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 11:34:01,932 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:34:02,263 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:34:02,738 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-08 11:34:02,941 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:34:03,373 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:34:03,704 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:34:04,067 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:34:04,563 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-08 11:34:04,824 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:34:05,864 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-08 11:34:06,093 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-08 11:34:06,290 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-08 11:34:07,433 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:34:07,881 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:34:08,277 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-08 11:34:08,536 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-08 11:34:09,233 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 11:34:09,509 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:34:09,893 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:34:10,176 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:34:10,548 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:34:11,033 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:34:11,371 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-08 11:34:11,641 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:34:14,463 WARN L188 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 11:34:14,723 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:34:15,220 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-08 11:34:15,536 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:34:15,792 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:34:16,103 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:34:16,393 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-08 11:34:16,839 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:34:17,132 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-08 11:34:17,636 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:34:18,033 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:34:18,616 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:34:23,689 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 11:34:25,003 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:34:25,293 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:34:25,650 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-08 11:34:26,489 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:34:28,817 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:34:29,111 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:34:30,560 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:34:30,901 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-08 11:34:31,940 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 11:34:32,357 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:34:33,746 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-08 11:34:33,960 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:34:35,202 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:34:36,614 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:34:39,068 WARN L188 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:34:40,368 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 11:34:41,187 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:34:41,705 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-08 11:34:42,851 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:34:43,396 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:34:44,545 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-09-08 11:34:44,923 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-08 11:34:45,389 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:34:45,754 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:34:46,219 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:34:46,513 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:34:47,161 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-08 11:34:47,562 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:34:47,787 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:34:48,447 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-08 11:34:49,151 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-08 11:34:49,640 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:34:49,896 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:34:50,304 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-08 11:34:50,627 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:34:50,873 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-08 11:34:53,056 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:34:53,562 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:34:53,958 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-08 11:34:54,297 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:34:54,716 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:34:56,016 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:34:57,729 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-08 11:34:59,087 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:34:59,720 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-09-08 11:35:00,004 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-08 11:35:00,422 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:35:00,983 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:35:01,273 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:35:01,656 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:35:02,717 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 11:35:03,115 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-08 11:35:03,404 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:35:04,518 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:35:04,991 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:35:05,228 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:35:05,993 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:35:06,324 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:35:06,601 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:35:07,191 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-08 11:35:07,476 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:35:08,234 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-08 11:35:08,492 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 11:35:10,304 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:35:11,898 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:35:12,687 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:35:12,943 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:35:13,384 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-08 11:35:14,189 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:35:14,579 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:35:14,913 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:35:15,508 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:35:16,126 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:35:18,511 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-08 11:35:18,819 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-09-08 11:35:19,329 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-08 11:35:19,565 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-08 11:35:20,232 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 11:35:21,458 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:35:22,959 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:35:27,447 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-08 11:35:29,619 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-08 11:35:30,687 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:35:31,567 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-08 11:35:32,075 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-08 11:35:33,791 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-08 11:35:34,231 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-08 11:35:36,409 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-08 11:35:37,725 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-08 11:35:38,618 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:35:38,986 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:35:40,431 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:38:29,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:38:29,542 INFO L93 Difference]: Finished difference Result 456159 states and 581633 transitions. [2019-09-08 11:38:29,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 550 states. [2019-09-08 11:38:29,542 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 110 [2019-09-08 11:38:29,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:38:30,336 INFO L225 Difference]: With dead ends: 456159 [2019-09-08 11:38:30,337 INFO L226 Difference]: Without dead ends: 414947 [2019-09-08 11:38:30,479 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 571 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159740 ImplicationChecksByTransitivity, 172.0s TimeCoverageRelationStatistics Valid=34079, Invalid=293669, Unknown=8, NotChecked=0, Total=327756 [2019-09-08 11:38:30,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414947 states. [2019-09-08 11:39:24,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414947 to 113509. [2019-09-08 11:39:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113509 states. [2019-09-08 11:39:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113509 states to 113509 states and 148005 transitions. [2019-09-08 11:39:24,842 INFO L78 Accepts]: Start accepts. Automaton has 113509 states and 148005 transitions. Word has length 110 [2019-09-08 11:39:24,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:39:24,842 INFO L475 AbstractCegarLoop]: Abstraction has 113509 states and 148005 transitions. [2019-09-08 11:39:24,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-08 11:39:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 113509 states and 148005 transitions. [2019-09-08 11:39:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-08 11:39:24,852 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:39:24,852 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:39:24,853 INFO L418 AbstractCegarLoop]: === Iteration 38 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:39:24,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:39:24,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1128252235, now seen corresponding path program 1 times [2019-09-08 11:39:24,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:39:24,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:39:24,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:24,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:24,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:25,235 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-09-08 11:39:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:39:25,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:39:25,502 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:39:25,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:25,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 29 conjunts are in the unsatisfiable core [2019-09-08 11:39:25,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:39:26,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:26,475 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:26,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Stream closed [2019-09-08 11:39:27,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:39:27,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2019-09-08 11:39:27,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-09-08 11:39:27,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-09-08 11:39:27,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2019-09-08 11:39:27,273 INFO L87 Difference]: Start difference. First operand 113509 states and 148005 transitions. Second operand 31 states. [2019-09-08 11:39:28,303 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-08 11:39:28,523 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 11:39:29,594 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 11:39:30,324 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-08 11:39:36,041 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-08 11:39:38,992 WARN L188 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:39:45,139 WARN L188 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:39:47,196 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:39:50,237 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:39:51,267 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-08 11:39:56,100 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:40:00,687 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:40:02,108 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-08 11:40:05,862 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-08 11:40:07,056 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:40:07,981 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:40:11,946 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:40:19,131 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:40:24,961 WARN L188 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:40:28,357 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:40:28,845 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-08 11:40:30,224 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 11:40:32,311 WARN L188 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-08 11:40:36,670 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:40:37,513 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:40:47,296 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:40:47,629 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-08 11:40:50,747 WARN L188 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:40:51,676 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:40:53,069 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:40:54,116 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-08 11:40:56,957 WARN L188 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-09-08 11:40:57,678 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-09-08 11:40:58,374 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-08 11:40:59,869 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:41:00,417 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:41:01,405 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:41:02,131 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:41:02,498 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-09-08 11:41:07,765 WARN L188 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:41:08,542 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:41:12,050 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:41:12,638 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:41:13,162 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-08 11:41:15,024 WARN L188 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:41:16,777 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-08 11:41:18,274 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:41:18,817 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:41:25,276 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-08 11:41:27,512 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-08 11:41:30,759 WARN L188 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-08 11:41:32,825 WARN L188 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:41:36,094 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-08 11:41:37,230 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-08 11:41:40,131 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:41:41,582 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-08 11:41:43,991 WARN L188 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2019-09-08 11:41:48,798 WARN L188 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-08 11:41:50,240 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-08 11:41:54,358 WARN L188 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:41:58,835 WARN L188 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:42:01,723 WARN L188 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-08 11:42:02,586 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-08 11:42:10,943 WARN L188 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57