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.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:54:12,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:54:12,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:54:12,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 11:54:12,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 11:54:12,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 11:54:12,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 11:54:12,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 11:54:12,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 11:54:12,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 11:54:12,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 11:54:12,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 11:54:12,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:54:12,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:54:12,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:54:12,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:54:12,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:54:12,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:54:12,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:54:12,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:54:12,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:54:12,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:54:12,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:54:12,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:54:12,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 11:54:12,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:54:12,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:54:12,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:54:12,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:54:12,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:54:12,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:54:12,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:54:12,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:54:12,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:54:12,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:54:12,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:54:12,516 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 11:54:12,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:54:12,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:54:12,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:54:12,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:54:12,544 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:54:12,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:54:12,545 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:54:12,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:54:12,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:54:12,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:54:12,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:54:12,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:54:12,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:54:12,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:54:12,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:54:12,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:54:12,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:54:12,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:54:12,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:54:12,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:54:12,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:54:12,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:54:12,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:54:12,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:54:12,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:54:12,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:54:12,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:54:12,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:54:12,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:54:12,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:54:12,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:54:12,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:54:12,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:54:12,626 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:54:12,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:54:12,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/607df6f72/54dc6195b36d4eecbb557c03e057d87a/FLAG8037234f6 [2019-09-08 11:54:13,232 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:54:13,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:54:13,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/607df6f72/54dc6195b36d4eecbb557c03e057d87a/FLAG8037234f6 [2019-09-08 11:54:13,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/607df6f72/54dc6195b36d4eecbb557c03e057d87a [2019-09-08 11:54:13,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:54:13,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:54:13,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:54:13,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:54:13,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:54:13,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:54:13" (1/1) ... [2019-09-08 11:54:13,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37862694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:13, skipping insertion in model container [2019-09-08 11:54:13,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:54:13" (1/1) ... [2019-09-08 11:54:13,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:54:13,600 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:54:14,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:54:14,240 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:54:14,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:54:14,709 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:54:14,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14 WrapperNode [2019-09-08 11:54:14,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:54:14,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:54:14,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:54:14,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:54:14,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (1/1) ... [2019-09-08 11:54:14,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (1/1) ... [2019-09-08 11:54:14,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (1/1) ... [2019-09-08 11:54:14,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (1/1) ... [2019-09-08 11:54:14,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (1/1) ... [2019-09-08 11:54:14,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (1/1) ... [2019-09-08 11:54:14,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (1/1) ... [2019-09-08 11:54:14,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:54:14,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:54:14,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:54:14,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:54:14,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (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 11:54:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:54:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:54:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:54:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:54:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:54:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:54:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-08 11:54:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:54:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:54:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:54:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:54:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:54:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:54:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:54:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-08 11:54:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:54:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:54:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:54:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:54:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:54:16,306 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:54:16,306 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:54:16,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:54:16 BoogieIcfgContainer [2019-09-08 11:54:16,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:54:16,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:54:16,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:54:16,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:54:16,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:54:13" (1/3) ... [2019-09-08 11:54:16,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f10db7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:54:16, skipping insertion in model container [2019-09-08 11:54:16,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:54:14" (2/3) ... [2019-09-08 11:54:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f10db7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:54:16, skipping insertion in model container [2019-09-08 11:54:16,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:54:16" (3/3) ... [2019-09-08 11:54:16,316 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:54:16,326 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:54:16,335 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-09-08 11:54:16,353 INFO L252 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-09-08 11:54:16,388 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:54:16,389 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:54:16,389 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:54:16,389 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:54:16,389 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:54:16,390 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:54:16,390 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:54:16,390 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:54:16,390 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:54:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2019-09-08 11:54:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-08 11:54:16,431 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:16,432 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 11:54:16,434 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:16,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:16,441 INFO L82 PathProgramCache]: Analyzing trace with hash 941972639, now seen corresponding path program 1 times [2019-09-08 11:54:16,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:16,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:16,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:16,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:16,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:16,896 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 11:54:16,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:16,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:54:16,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:54:16,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:54:16,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:54:16,921 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 5 states. [2019-09-08 11:54:17,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:17,429 INFO L93 Difference]: Finished difference Result 577 states and 980 transitions. [2019-09-08 11:54:17,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:54:17,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-09-08 11:54:17,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:17,456 INFO L225 Difference]: With dead ends: 577 [2019-09-08 11:54:17,457 INFO L226 Difference]: Without dead ends: 297 [2019-09-08 11:54:17,462 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 11:54:17,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2019-09-08 11:54:17,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2019-09-08 11:54:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-09-08 11:54:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 371 transitions. [2019-09-08 11:54:17,528 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 371 transitions. Word has length 62 [2019-09-08 11:54:17,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:17,528 INFO L475 AbstractCegarLoop]: Abstraction has 297 states and 371 transitions. [2019-09-08 11:54:17,528 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:54:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 371 transitions. [2019-09-08 11:54:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-08 11:54:17,532 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:17,533 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] [2019-09-08 11:54:17,533 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:17,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:17,534 INFO L82 PathProgramCache]: Analyzing trace with hash 66564200, now seen corresponding path program 1 times [2019-09-08 11:54:17,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:17,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:17,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:17,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:17,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:17,782 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 11:54:17,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:17,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:54:17,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:54:17,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:54:17,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:54:17,786 INFO L87 Difference]: Start difference. First operand 297 states and 371 transitions. Second operand 5 states. [2019-09-08 11:54:18,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:18,125 INFO L93 Difference]: Finished difference Result 500 states and 641 transitions. [2019-09-08 11:54:18,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:54:18,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-09-08 11:54:18,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:18,129 INFO L225 Difference]: With dead ends: 500 [2019-09-08 11:54:18,129 INFO L226 Difference]: Without dead ends: 271 [2019-09-08 11:54:18,131 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 11:54:18,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-09-08 11:54:18,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2019-09-08 11:54:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-09-08 11:54:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 340 transitions. [2019-09-08 11:54:18,169 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 340 transitions. Word has length 63 [2019-09-08 11:54:18,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:18,169 INFO L475 AbstractCegarLoop]: Abstraction has 271 states and 340 transitions. [2019-09-08 11:54:18,169 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:54:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 340 transitions. [2019-09-08 11:54:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-08 11:54:18,177 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:18,177 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] [2019-09-08 11:54:18,177 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:18,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:18,178 INFO L82 PathProgramCache]: Analyzing trace with hash 459645881, now seen corresponding path program 1 times [2019-09-08 11:54:18,180 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:18,180 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:18,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:18,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:18,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:18,368 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 11:54:18,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:18,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:54:18,370 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:54:18,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:54:18,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:54:18,371 INFO L87 Difference]: Start difference. First operand 271 states and 340 transitions. Second operand 6 states. [2019-09-08 11:54:18,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:18,754 INFO L93 Difference]: Finished difference Result 579 states and 736 transitions. [2019-09-08 11:54:18,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:54:18,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2019-09-08 11:54:18,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:18,761 INFO L225 Difference]: With dead ends: 579 [2019-09-08 11:54:18,762 INFO L226 Difference]: Without dead ends: 366 [2019-09-08 11:54:18,763 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:54:18,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-09-08 11:54:18,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 326. [2019-09-08 11:54:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-09-08 11:54:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 421 transitions. [2019-09-08 11:54:18,806 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 421 transitions. Word has length 64 [2019-09-08 11:54:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:18,808 INFO L475 AbstractCegarLoop]: Abstraction has 326 states and 421 transitions. [2019-09-08 11:54:18,808 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:54:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 421 transitions. [2019-09-08 11:54:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 11:54:18,813 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:18,813 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] [2019-09-08 11:54:18,813 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:18,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:18,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1942655578, now seen corresponding path program 1 times [2019-09-08 11:54:18,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:18,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:18,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:18,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:18,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:18,948 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 11:54:18,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:18,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:54:18,949 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:54:18,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:54:18,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:54:18,950 INFO L87 Difference]: Start difference. First operand 326 states and 421 transitions. Second operand 5 states. [2019-09-08 11:54:19,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:19,193 INFO L93 Difference]: Finished difference Result 594 states and 783 transitions. [2019-09-08 11:54:19,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:54:19,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-08 11:54:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:19,196 INFO L225 Difference]: With dead ends: 594 [2019-09-08 11:54:19,196 INFO L226 Difference]: Without dead ends: 315 [2019-09-08 11:54:19,197 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 11:54:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-09-08 11:54:19,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2019-09-08 11:54:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 407 transitions. [2019-09-08 11:54:19,218 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 407 transitions. Word has length 65 [2019-09-08 11:54:19,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:19,218 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 407 transitions. [2019-09-08 11:54:19,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:54:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 407 transitions. [2019-09-08 11:54:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 11:54:19,220 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:19,220 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] [2019-09-08 11:54:19,221 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:19,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:19,221 INFO L82 PathProgramCache]: Analyzing trace with hash -795955653, now seen corresponding path program 1 times [2019-09-08 11:54:19,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:19,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:19,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:19,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:19,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:19,444 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 11:54:19,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:19,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:19,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:19,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:19,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:19,448 INFO L87 Difference]: Start difference. First operand 315 states and 407 transitions. Second operand 9 states. [2019-09-08 11:54:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:20,315 INFO L93 Difference]: Finished difference Result 877 states and 1204 transitions. [2019-09-08 11:54:20,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:20,315 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-09-08 11:54:20,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:20,320 INFO L225 Difference]: With dead ends: 877 [2019-09-08 11:54:20,320 INFO L226 Difference]: Without dead ends: 725 [2019-09-08 11:54:20,321 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2019-09-08 11:54:20,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 315. [2019-09-08 11:54:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 406 transitions. [2019-09-08 11:54:20,346 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 406 transitions. Word has length 66 [2019-09-08 11:54:20,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:20,347 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 406 transitions. [2019-09-08 11:54:20,347 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 406 transitions. [2019-09-08 11:54:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 11:54:20,348 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:20,348 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] [2019-09-08 11:54:20,349 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:20,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:20,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1601893614, now seen corresponding path program 1 times [2019-09-08 11:54:20,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:20,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:20,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:20,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:20,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:20,494 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 11:54:20,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:20,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:20,495 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:20,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:20,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:20,496 INFO L87 Difference]: Start difference. First operand 315 states and 406 transitions. Second operand 9 states. [2019-09-08 11:54:21,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:21,420 INFO L93 Difference]: Finished difference Result 718 states and 974 transitions. [2019-09-08 11:54:21,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:21,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-09-08 11:54:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:21,426 INFO L225 Difference]: With dead ends: 718 [2019-09-08 11:54:21,426 INFO L226 Difference]: Without dead ends: 713 [2019-09-08 11:54:21,428 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 11:54:21,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-09-08 11:54:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 315. [2019-09-08 11:54:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 405 transitions. [2019-09-08 11:54:21,458 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 405 transitions. Word has length 66 [2019-09-08 11:54:21,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:21,460 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 405 transitions. [2019-09-08 11:54:21,460 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 405 transitions. [2019-09-08 11:54:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 11:54:21,462 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:21,462 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] [2019-09-08 11:54:21,463 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:21,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:21,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1216845453, now seen corresponding path program 1 times [2019-09-08 11:54:21,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:21,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:21,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:21,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:21,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:21,682 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 11:54:21,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:21,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 11:54:21,684 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 11:54:21,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 11:54:21,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:54:21,685 INFO L87 Difference]: Start difference. First operand 315 states and 405 transitions. Second operand 8 states. [2019-09-08 11:54:22,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:22,251 INFO L93 Difference]: Finished difference Result 701 states and 931 transitions. [2019-09-08 11:54:22,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:54:22,252 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2019-09-08 11:54:22,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:22,256 INFO L225 Difference]: With dead ends: 701 [2019-09-08 11:54:22,256 INFO L226 Difference]: Without dead ends: 510 [2019-09-08 11:54:22,258 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:54:22,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2019-09-08 11:54:22,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 315. [2019-09-08 11:54:22,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 404 transitions. [2019-09-08 11:54:22,297 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 404 transitions. Word has length 66 [2019-09-08 11:54:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:22,298 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 404 transitions. [2019-09-08 11:54:22,298 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 11:54:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 404 transitions. [2019-09-08 11:54:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 11:54:22,299 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:22,299 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] [2019-09-08 11:54:22,300 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:22,300 INFO L82 PathProgramCache]: Analyzing trace with hash -867057492, now seen corresponding path program 1 times [2019-09-08 11:54:22,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:22,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:22,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:22,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:22,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:22,493 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 11:54:22,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:22,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:22,494 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:22,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:22,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:22,494 INFO L87 Difference]: Start difference. First operand 315 states and 404 transitions. Second operand 9 states. [2019-09-08 11:54:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:23,667 INFO L93 Difference]: Finished difference Result 868 states and 1192 transitions. [2019-09-08 11:54:23,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:23,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-09-08 11:54:23,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:23,671 INFO L225 Difference]: With dead ends: 868 [2019-09-08 11:54:23,672 INFO L226 Difference]: Without dead ends: 725 [2019-09-08 11:54:23,673 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:23,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2019-09-08 11:54:23,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 315. [2019-09-08 11:54:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 403 transitions. [2019-09-08 11:54:23,700 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 403 transitions. Word has length 66 [2019-09-08 11:54:23,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:23,700 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 403 transitions. [2019-09-08 11:54:23,701 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 403 transitions. [2019-09-08 11:54:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 11:54:23,702 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:23,702 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] [2019-09-08 11:54:23,702 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:23,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:23,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1942709412, now seen corresponding path program 1 times [2019-09-08 11:54:23,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:23,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:23,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:23,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:23,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:23,847 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 11:54:23,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:23,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:23,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:23,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:23,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:23,849 INFO L87 Difference]: Start difference. First operand 315 states and 403 transitions. Second operand 9 states. [2019-09-08 11:54:24,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:24,945 INFO L93 Difference]: Finished difference Result 842 states and 1160 transitions. [2019-09-08 11:54:24,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:24,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-09-08 11:54:24,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:24,950 INFO L225 Difference]: With dead ends: 842 [2019-09-08 11:54:24,950 INFO L226 Difference]: Without dead ends: 725 [2019-09-08 11:54:24,952 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:24,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2019-09-08 11:54:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 315. [2019-09-08 11:54:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 402 transitions. [2019-09-08 11:54:24,988 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 402 transitions. Word has length 66 [2019-09-08 11:54:24,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:24,988 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 402 transitions. [2019-09-08 11:54:24,988 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 402 transitions. [2019-09-08 11:54:24,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 11:54:24,990 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:24,990 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] [2019-09-08 11:54:24,991 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:24,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:24,991 INFO L82 PathProgramCache]: Analyzing trace with hash 318799718, now seen corresponding path program 1 times [2019-09-08 11:54:24,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:24,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:24,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:24,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:24,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:25,140 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 11:54:25,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:25,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:25,140 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:25,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:25,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:25,141 INFO L87 Difference]: Start difference. First operand 315 states and 402 transitions. Second operand 9 states. [2019-09-08 11:54:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:26,436 INFO L93 Difference]: Finished difference Result 742 states and 1005 transitions. [2019-09-08 11:54:26,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:26,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2019-09-08 11:54:26,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:26,441 INFO L225 Difference]: With dead ends: 742 [2019-09-08 11:54:26,443 INFO L226 Difference]: Without dead ends: 725 [2019-09-08 11:54:26,444 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:26,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2019-09-08 11:54:26,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 315. [2019-09-08 11:54:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 401 transitions. [2019-09-08 11:54:26,474 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 401 transitions. Word has length 68 [2019-09-08 11:54:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:26,475 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 401 transitions. [2019-09-08 11:54:26,475 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 401 transitions. [2019-09-08 11:54:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 11:54:26,476 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:26,476 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] [2019-09-08 11:54:26,477 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:26,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:26,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1611983614, now seen corresponding path program 1 times [2019-09-08 11:54:26,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:26,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:26,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:26,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:26,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:26,665 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 11:54:26,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:26,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:26,666 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:26,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:26,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:26,666 INFO L87 Difference]: Start difference. First operand 315 states and 401 transitions. Second operand 9 states. [2019-09-08 11:54:27,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:27,764 INFO L93 Difference]: Finished difference Result 847 states and 1163 transitions. [2019-09-08 11:54:27,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:27,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2019-09-08 11:54:27,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:27,769 INFO L225 Difference]: With dead ends: 847 [2019-09-08 11:54:27,769 INFO L226 Difference]: Without dead ends: 725 [2019-09-08 11:54:27,771 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2019-09-08 11:54:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 315. [2019-09-08 11:54:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 400 transitions. [2019-09-08 11:54:27,805 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 400 transitions. Word has length 68 [2019-09-08 11:54:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:27,805 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 400 transitions. [2019-09-08 11:54:27,806 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 400 transitions. [2019-09-08 11:54:27,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 11:54:27,807 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:27,807 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] [2019-09-08 11:54:27,808 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:27,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:27,808 INFO L82 PathProgramCache]: Analyzing trace with hash -317172898, now seen corresponding path program 1 times [2019-09-08 11:54:27,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:27,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:27,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:27,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:27,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:27,961 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 11:54:27,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:27,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:27,962 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:27,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:27,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:27,963 INFO L87 Difference]: Start difference. First operand 315 states and 400 transitions. Second operand 9 states. [2019-09-08 11:54:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:29,184 INFO L93 Difference]: Finished difference Result 823 states and 1127 transitions. [2019-09-08 11:54:29,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:29,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2019-09-08 11:54:29,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:29,188 INFO L225 Difference]: With dead ends: 823 [2019-09-08 11:54:29,188 INFO L226 Difference]: Without dead ends: 713 [2019-09-08 11:54:29,189 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-09-08 11:54:29,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 315. [2019-09-08 11:54:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 399 transitions. [2019-09-08 11:54:29,222 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 399 transitions. Word has length 68 [2019-09-08 11:54:29,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:29,222 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 399 transitions. [2019-09-08 11:54:29,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 399 transitions. [2019-09-08 11:54:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 11:54:29,223 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:29,223 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] [2019-09-08 11:54:29,224 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:29,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1479311023, now seen corresponding path program 1 times [2019-09-08 11:54:29,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:29,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:29,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:29,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:29,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:29,388 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 11:54:29,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:29,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:29,390 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:29,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:29,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:29,391 INFO L87 Difference]: Start difference. First operand 315 states and 399 transitions. Second operand 9 states. [2019-09-08 11:54:30,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:30,384 INFO L93 Difference]: Finished difference Result 718 states and 967 transitions. [2019-09-08 11:54:30,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:30,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2019-09-08 11:54:30,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:30,388 INFO L225 Difference]: With dead ends: 718 [2019-09-08 11:54:30,388 INFO L226 Difference]: Without dead ends: 713 [2019-09-08 11:54:30,389 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-09-08 11:54:30,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 315. [2019-09-08 11:54:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 398 transitions. [2019-09-08 11:54:30,452 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 398 transitions. Word has length 68 [2019-09-08 11:54:30,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:30,452 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 398 transitions. [2019-09-08 11:54:30,452 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 398 transitions. [2019-09-08 11:54:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-08 11:54:30,453 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:30,453 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] [2019-09-08 11:54:30,454 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:30,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:30,454 INFO L82 PathProgramCache]: Analyzing trace with hash -205437134, now seen corresponding path program 1 times [2019-09-08 11:54:30,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:30,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:30,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:30,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:30,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:30,594 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 11:54:30,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:30,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:30,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:30,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:30,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:30,596 INFO L87 Difference]: Start difference. First operand 315 states and 398 transitions. Second operand 9 states. [2019-09-08 11:54:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:31,638 INFO L93 Difference]: Finished difference Result 820 states and 1121 transitions. [2019-09-08 11:54:31,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:31,638 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2019-09-08 11:54:31,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:31,642 INFO L225 Difference]: With dead ends: 820 [2019-09-08 11:54:31,642 INFO L226 Difference]: Without dead ends: 713 [2019-09-08 11:54:31,643 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:31,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-09-08 11:54:31,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 315. [2019-09-08 11:54:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-08 11:54:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 397 transitions. [2019-09-08 11:54:31,678 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 397 transitions. Word has length 68 [2019-09-08 11:54:31,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:31,679 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 397 transitions. [2019-09-08 11:54:31,679 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 397 transitions. [2019-09-08 11:54:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 11:54:31,680 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:31,680 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] [2019-09-08 11:54:31,681 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:31,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:31,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1850627413, now seen corresponding path program 1 times [2019-09-08 11:54:31,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:31,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:31,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:31,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:31,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:32,586 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 11:54:32,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:32,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:54:32,587 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:54:32,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:54:32,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:54:32,589 INFO L87 Difference]: Start difference. First operand 315 states and 397 transitions. Second operand 16 states. [2019-09-08 11:54:33,337 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 11:54:33,476 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:54:34,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:34,925 INFO L93 Difference]: Finished difference Result 732 states and 954 transitions. [2019-09-08 11:54:34,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:54:34,927 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 70 [2019-09-08 11:54:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:34,930 INFO L225 Difference]: With dead ends: 732 [2019-09-08 11:54:34,931 INFO L226 Difference]: Without dead ends: 626 [2019-09-08 11:54:34,934 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2019-09-08 11:54:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2019-09-08 11:54:34,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 329. [2019-09-08 11:54:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-09-08 11:54:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 416 transitions. [2019-09-08 11:54:34,978 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 416 transitions. Word has length 70 [2019-09-08 11:54:34,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:34,978 INFO L475 AbstractCegarLoop]: Abstraction has 329 states and 416 transitions. [2019-09-08 11:54:34,979 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:54:34,979 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 416 transitions. [2019-09-08 11:54:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 11:54:34,980 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:34,980 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] [2019-09-08 11:54:34,981 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:34,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:34,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1999891916, now seen corresponding path program 1 times [2019-09-08 11:54:34,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:34,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:34,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:34,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:34,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:35,892 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-08 11:54:36,366 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 11:54:36,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:36,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-09-08 11:54:36,367 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-08 11:54:36,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-08 11:54:36,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:36,367 INFO L87 Difference]: Start difference. First operand 329 states and 416 transitions. Second operand 21 states. [2019-09-08 11:54:36,511 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-08 11:54:37,116 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-08 11:54:37,268 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-08 11:54:37,459 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-08 11:54:37,726 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-08 11:54:38,058 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:54:38,266 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:54:38,454 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:54:38,639 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-08 11:54:38,930 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:54:39,200 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-08 11:54:39,428 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-08 11:54:39,727 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-08 11:54:41,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:41,455 INFO L93 Difference]: Finished difference Result 654 states and 827 transitions. [2019-09-08 11:54:41,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-08 11:54:41,468 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 70 [2019-09-08 11:54:41,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:41,471 INFO L225 Difference]: With dead ends: 654 [2019-09-08 11:54:41,471 INFO L226 Difference]: Without dead ends: 648 [2019-09-08 11:54:41,472 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2019-09-08 11:54:41,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2019-09-08 11:54:41,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 329. [2019-09-08 11:54:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-09-08 11:54:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 415 transitions. [2019-09-08 11:54:41,521 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 415 transitions. Word has length 70 [2019-09-08 11:54:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:41,522 INFO L475 AbstractCegarLoop]: Abstraction has 329 states and 415 transitions. [2019-09-08 11:54:41,522 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-08 11:54:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 415 transitions. [2019-09-08 11:54:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 11:54:41,523 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:41,523 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] [2019-09-08 11:54:41,524 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:41,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:41,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1089068483, now seen corresponding path program 1 times [2019-09-08 11:54:41,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:41,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:41,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:41,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:41,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:42,279 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 11:54:42,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:42,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-09-08 11:54:42,280 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-08 11:54:42,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-08 11:54:42,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2019-09-08 11:54:42,281 INFO L87 Difference]: Start difference. First operand 329 states and 415 transitions. Second operand 17 states. [2019-09-08 11:54:42,896 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2019-09-08 11:54:43,096 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2019-09-08 11:54:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:44,340 INFO L93 Difference]: Finished difference Result 665 states and 873 transitions. [2019-09-08 11:54:44,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:54:44,341 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 70 [2019-09-08 11:54:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:44,343 INFO L225 Difference]: With dead ends: 665 [2019-09-08 11:54:44,343 INFO L226 Difference]: Without dead ends: 527 [2019-09-08 11:54:44,344 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2019-09-08 11:54:44,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-09-08 11:54:44,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 304. [2019-09-08 11:54:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-09-08 11:54:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 383 transitions. [2019-09-08 11:54:44,394 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 383 transitions. Word has length 70 [2019-09-08 11:54:44,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:44,395 INFO L475 AbstractCegarLoop]: Abstraction has 304 states and 383 transitions. [2019-09-08 11:54:44,395 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-08 11:54:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 383 transitions. [2019-09-08 11:54:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 11:54:44,396 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:44,396 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] [2019-09-08 11:54:44,396 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:44,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:44,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1455333677, now seen corresponding path program 1 times [2019-09-08 11:54:44,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:44,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:44,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:44,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:44,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:45,753 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 11:54:45,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:45,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-09-08 11:54:45,753 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-08 11:54:45,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-08 11:54:45,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:45,754 INFO L87 Difference]: Start difference. First operand 304 states and 383 transitions. Second operand 21 states. [2019-09-08 11:54:45,889 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-08 11:54:46,340 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-08 11:54:46,500 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-08 11:54:46,694 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:54:46,908 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-08 11:54:47,185 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-08 11:54:47,382 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:54:47,566 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:54:47,788 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-08 11:54:48,804 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-08 11:54:49,154 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:54:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:49,884 INFO L93 Difference]: Finished difference Result 749 states and 971 transitions. [2019-09-08 11:54:49,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-08 11:54:49,885 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 70 [2019-09-08 11:54:49,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:49,887 INFO L225 Difference]: With dead ends: 749 [2019-09-08 11:54:49,888 INFO L226 Difference]: Without dead ends: 640 [2019-09-08 11:54:49,889 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=276, Invalid=914, Unknown=0, NotChecked=0, Total=1190 [2019-09-08 11:54:49,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2019-09-08 11:54:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 319. [2019-09-08 11:54:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-09-08 11:54:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 404 transitions. [2019-09-08 11:54:49,946 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 404 transitions. Word has length 70 [2019-09-08 11:54:49,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:49,947 INFO L475 AbstractCegarLoop]: Abstraction has 319 states and 404 transitions. [2019-09-08 11:54:49,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-08 11:54:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 404 transitions. [2019-09-08 11:54:49,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 11:54:49,948 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:49,948 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] [2019-09-08 11:54:49,948 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:49,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:49,949 INFO L82 PathProgramCache]: Analyzing trace with hash -836030750, now seen corresponding path program 1 times [2019-09-08 11:54:49,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:49,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:49,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:49,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:49,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:50,551 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 11:54:50,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:50,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-09-08 11:54:50,552 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 11:54:50,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 11:54:50,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:54:50,552 INFO L87 Difference]: Start difference. First operand 319 states and 404 transitions. Second operand 14 states. [2019-09-08 11:54:52,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:52,560 INFO L93 Difference]: Finished difference Result 983 states and 1344 transitions. [2019-09-08 11:54:52,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:54:52,561 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 70 [2019-09-08 11:54:52,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:52,564 INFO L225 Difference]: With dead ends: 983 [2019-09-08 11:54:52,564 INFO L226 Difference]: Without dead ends: 812 [2019-09-08 11:54:52,565 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2019-09-08 11:54:52,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2019-09-08 11:54:52,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 292. [2019-09-08 11:54:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-09-08 11:54:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 370 transitions. [2019-09-08 11:54:52,619 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 370 transitions. Word has length 70 [2019-09-08 11:54:52,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:52,619 INFO L475 AbstractCegarLoop]: Abstraction has 292 states and 370 transitions. [2019-09-08 11:54:52,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 11:54:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 370 transitions. [2019-09-08 11:54:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 11:54:52,620 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:52,620 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] [2019-09-08 11:54:52,621 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:52,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:52,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1658652679, now seen corresponding path program 1 times [2019-09-08 11:54:52,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:52,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:52,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:52,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:52,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:53,123 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 11:54:53,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:53,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 11:54:53,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 11:54:53,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 11:54:53,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-09-08 11:54:53,125 INFO L87 Difference]: Start difference. First operand 292 states and 370 transitions. Second operand 12 states. [2019-09-08 11:54:54,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:54,707 INFO L93 Difference]: Finished difference Result 1321 states and 1885 transitions. [2019-09-08 11:54:54,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 11:54:54,707 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2019-09-08 11:54:54,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:54,713 INFO L225 Difference]: With dead ends: 1321 [2019-09-08 11:54:54,713 INFO L226 Difference]: Without dead ends: 1196 [2019-09-08 11:54:54,714 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2019-09-08 11:54:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2019-09-08 11:54:54,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 261. [2019-09-08 11:54:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2019-09-08 11:54:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 330 transitions. [2019-09-08 11:54:54,780 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 330 transitions. Word has length 71 [2019-09-08 11:54:54,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:54,780 INFO L475 AbstractCegarLoop]: Abstraction has 261 states and 330 transitions. [2019-09-08 11:54:54,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 11:54:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 330 transitions. [2019-09-08 11:54:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 11:54:54,781 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:54,782 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] [2019-09-08 11:54:54,782 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:54,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:54,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1627558840, now seen corresponding path program 1 times [2019-09-08 11:54:54,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:54,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:54,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:54,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:54,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:55,460 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 11:54:55,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:55,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:54:55,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:54:55,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:54:55,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:54:55,461 INFO L87 Difference]: Start difference. First operand 261 states and 330 transitions. Second operand 16 states. [2019-09-08 11:54:56,022 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-08 11:54:56,483 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-08 11:54:57,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:57,311 INFO L93 Difference]: Finished difference Result 424 states and 551 transitions. [2019-09-08 11:54:57,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 11:54:57,312 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 71 [2019-09-08 11:54:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:57,313 INFO L225 Difference]: With dead ends: 424 [2019-09-08 11:54:57,314 INFO L226 Difference]: Without dead ends: 420 [2019-09-08 11:54:57,314 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2019-09-08 11:54:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-09-08 11:54:57,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 257. [2019-09-08 11:54:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-09-08 11:54:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 326 transitions. [2019-09-08 11:54:57,364 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 326 transitions. Word has length 71 [2019-09-08 11:54:57,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:57,365 INFO L475 AbstractCegarLoop]: Abstraction has 257 states and 326 transitions. [2019-09-08 11:54:57,365 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:54:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 326 transitions. [2019-09-08 11:54:57,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 11:54:57,366 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:57,366 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] [2019-09-08 11:54:57,366 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:57,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:57,367 INFO L82 PathProgramCache]: Analyzing trace with hash 843086847, now seen corresponding path program 1 times [2019-09-08 11:54:57,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:57,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:57,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:57,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:57,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:57,535 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 11:54:57,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:57,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:54:57,536 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:54:57,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:54:57,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:54:57,537 INFO L87 Difference]: Start difference. First operand 257 states and 326 transitions. Second operand 9 states. [2019-09-08 11:54:58,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:54:58,441 INFO L93 Difference]: Finished difference Result 742 states and 1029 transitions. [2019-09-08 11:54:58,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:54:58,442 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2019-09-08 11:54:58,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:54:58,444 INFO L225 Difference]: With dead ends: 742 [2019-09-08 11:54:58,444 INFO L226 Difference]: Without dead ends: 612 [2019-09-08 11:54:58,445 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:54:58,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-09-08 11:54:58,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 257. [2019-09-08 11:54:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-09-08 11:54:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 325 transitions. [2019-09-08 11:54:58,495 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 325 transitions. Word has length 71 [2019-09-08 11:54:58,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:54:58,496 INFO L475 AbstractCegarLoop]: Abstraction has 257 states and 325 transitions. [2019-09-08 11:54:58,496 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:54:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 325 transitions. [2019-09-08 11:54:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 11:54:58,497 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:54:58,497 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] [2019-09-08 11:54:58,497 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:54:58,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:54:58,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1217335281, now seen corresponding path program 1 times [2019-09-08 11:54:58,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:54:58,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:54:58,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:58,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:54:58,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:54:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:54:59,041 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 11:54:59,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:54:59,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 11:54:59,042 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 11:54:59,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 11:54:59,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-09-08 11:54:59,043 INFO L87 Difference]: Start difference. First operand 257 states and 325 transitions. Second operand 12 states. [2019-09-08 11:55:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:00,238 INFO L93 Difference]: Finished difference Result 1252 states and 1802 transitions. [2019-09-08 11:55:00,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 11:55:00,239 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2019-09-08 11:55:00,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:00,244 INFO L225 Difference]: With dead ends: 1252 [2019-09-08 11:55:00,245 INFO L226 Difference]: Without dead ends: 1132 [2019-09-08 11:55:00,246 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2019-09-08 11:55:00,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2019-09-08 11:55:00,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 242. [2019-09-08 11:55:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-09-08 11:55:00,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 306 transitions. [2019-09-08 11:55:00,294 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 306 transitions. Word has length 71 [2019-09-08 11:55:00,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:00,294 INFO L475 AbstractCegarLoop]: Abstraction has 242 states and 306 transitions. [2019-09-08 11:55:00,294 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 11:55:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 306 transitions. [2019-09-08 11:55:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-08 11:55:00,295 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:00,295 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] [2019-09-08 11:55:00,295 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:00,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:00,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1510879078, now seen corresponding path program 1 times [2019-09-08 11:55:00,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:00,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:00,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:00,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:00,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:00,643 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 11:55:00,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:00,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 11:55:00,644 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 11:55:00,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 11:55:00,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 11:55:00,646 INFO L87 Difference]: Start difference. First operand 242 states and 306 transitions. Second operand 12 states. [2019-09-08 11:55:01,032 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-09-08 11:55:01,160 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-09-08 11:55:01,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:01,756 INFO L93 Difference]: Finished difference Result 508 states and 680 transitions. [2019-09-08 11:55:01,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 11:55:01,756 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 71 [2019-09-08 11:55:01,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:01,758 INFO L225 Difference]: With dead ends: 508 [2019-09-08 11:55:01,758 INFO L226 Difference]: Without dead ends: 399 [2019-09-08 11:55:01,758 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:55:01,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-09-08 11:55:01,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 238. [2019-09-08 11:55:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-08 11:55:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 301 transitions. [2019-09-08 11:55:01,808 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 301 transitions. Word has length 71 [2019-09-08 11:55:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:01,809 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 301 transitions. [2019-09-08 11:55:01,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 11:55:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 301 transitions. [2019-09-08 11:55:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:55:01,809 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:01,810 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] [2019-09-08 11:55:01,810 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1268048671, now seen corresponding path program 1 times [2019-09-08 11:55:01,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:01,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:01,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:01,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:01,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:01,924 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 11:55:01,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:01,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:55:01,925 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:55:01,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:55:01,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:55:01,925 INFO L87 Difference]: Start difference. First operand 238 states and 301 transitions. Second operand 9 states. [2019-09-08 11:55:02,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:02,588 INFO L93 Difference]: Finished difference Result 394 states and 512 transitions. [2019-09-08 11:55:02,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:55:02,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-09-08 11:55:02,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:02,590 INFO L225 Difference]: With dead ends: 394 [2019-09-08 11:55:02,590 INFO L226 Difference]: Without dead ends: 387 [2019-09-08 11:55:02,590 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:55:02,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-08 11:55:02,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 238. [2019-09-08 11:55:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-08 11:55:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 300 transitions. [2019-09-08 11:55:02,645 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 300 transitions. Word has length 72 [2019-09-08 11:55:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:02,645 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 300 transitions. [2019-09-08 11:55:02,645 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:55:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 300 transitions. [2019-09-08 11:55:02,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-08 11:55:02,646 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:02,646 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] [2019-09-08 11:55:02,647 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:02,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1461520139, now seen corresponding path program 1 times [2019-09-08 11:55:02,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:02,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:02,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:02,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:02,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:02,777 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 11:55:02,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:02,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:55:02,778 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:55:02,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:55:02,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:55:02,778 INFO L87 Difference]: Start difference. First operand 238 states and 300 transitions. Second operand 9 states. [2019-09-08 11:55:03,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:03,577 INFO L93 Difference]: Finished difference Result 394 states and 511 transitions. [2019-09-08 11:55:03,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:55:03,577 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-09-08 11:55:03,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:03,579 INFO L225 Difference]: With dead ends: 394 [2019-09-08 11:55:03,580 INFO L226 Difference]: Without dead ends: 387 [2019-09-08 11:55:03,580 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:55:03,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-08 11:55:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 238. [2019-09-08 11:55:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-08 11:55:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 299 transitions. [2019-09-08 11:55:03,647 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 299 transitions. Word has length 72 [2019-09-08 11:55:03,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:03,648 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 299 transitions. [2019-09-08 11:55:03,648 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:55:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 299 transitions. [2019-09-08 11:55:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-08 11:55:03,648 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:03,649 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:03,649 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:03,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1549803195, now seen corresponding path program 1 times [2019-09-08 11:55:03,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:03,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:03,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:03,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:03,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:04,416 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 11:55:04,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:04,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-09-08 11:55:04,417 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-08 11:55:04,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-08 11:55:04,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2019-09-08 11:55:04,418 INFO L87 Difference]: Start difference. First operand 238 states and 299 transitions. Second operand 23 states. [2019-09-08 11:55:04,678 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:55:05,337 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-08 11:55:05,566 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-09-08 11:55:05,753 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-08 11:55:05,984 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-09-08 11:55:06,170 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-08 11:55:06,347 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-08 11:55:07,270 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2019-09-08 11:55:09,634 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2019-09-08 11:55:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:10,605 INFO L93 Difference]: Finished difference Result 1611 states and 2292 transitions. [2019-09-08 11:55:10,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-09-08 11:55:10,606 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 73 [2019-09-08 11:55:10,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:10,612 INFO L225 Difference]: With dead ends: 1611 [2019-09-08 11:55:10,612 INFO L226 Difference]: Without dead ends: 1605 [2019-09-08 11:55:10,613 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=382, Invalid=1780, Unknown=0, NotChecked=0, Total=2162 [2019-09-08 11:55:10,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2019-09-08 11:55:10,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 254. [2019-09-08 11:55:10,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-09-08 11:55:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 319 transitions. [2019-09-08 11:55:10,669 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 319 transitions. Word has length 73 [2019-09-08 11:55:10,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:10,669 INFO L475 AbstractCegarLoop]: Abstraction has 254 states and 319 transitions. [2019-09-08 11:55:10,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-08 11:55:10,669 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 319 transitions. [2019-09-08 11:55:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 11:55:10,669 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:10,670 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] [2019-09-08 11:55:10,670 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:10,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:10,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1572662879, now seen corresponding path program 1 times [2019-09-08 11:55:10,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:10,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:10,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:10,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:10,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:11,436 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 11:55:11,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:11,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:55:11,436 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:55:11,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:55:11,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:55:11,437 INFO L87 Difference]: Start difference. First operand 254 states and 319 transitions. Second operand 16 states. [2019-09-08 11:55:12,132 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-08 11:55:12,286 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:55:12,412 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:55:14,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:14,043 INFO L93 Difference]: Finished difference Result 1055 states and 1470 transitions. [2019-09-08 11:55:14,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:55:14,044 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 74 [2019-09-08 11:55:14,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:14,048 INFO L225 Difference]: With dead ends: 1055 [2019-09-08 11:55:14,049 INFO L226 Difference]: Without dead ends: 1049 [2019-09-08 11:55:14,049 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=234, Invalid=636, Unknown=0, NotChecked=0, Total=870 [2019-09-08 11:55:14,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2019-09-08 11:55:14,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 256. [2019-09-08 11:55:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-09-08 11:55:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 322 transitions. [2019-09-08 11:55:14,109 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 322 transitions. Word has length 74 [2019-09-08 11:55:14,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:14,110 INFO L475 AbstractCegarLoop]: Abstraction has 256 states and 322 transitions. [2019-09-08 11:55:14,110 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:55:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 322 transitions. [2019-09-08 11:55:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 11:55:14,110 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:14,110 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] [2019-09-08 11:55:14,111 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:14,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:14,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1304108329, now seen corresponding path program 1 times [2019-09-08 11:55:14,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:14,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:14,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:14,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:14,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:14,602 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 11:55:14,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:14,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:55:14,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:55:14,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:55:14,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:55:14,604 INFO L87 Difference]: Start difference. First operand 256 states and 322 transitions. Second operand 13 states. [2019-09-08 11:55:16,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:16,276 INFO L93 Difference]: Finished difference Result 853 states and 1190 transitions. [2019-09-08 11:55:16,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:55:16,277 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 74 [2019-09-08 11:55:16,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:16,282 INFO L225 Difference]: With dead ends: 853 [2019-09-08 11:55:16,282 INFO L226 Difference]: Without dead ends: 835 [2019-09-08 11:55:16,283 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2019-09-08 11:55:16,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2019-09-08 11:55:16,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 238. [2019-09-08 11:55:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-08 11:55:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 302 transitions. [2019-09-08 11:55:16,345 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 302 transitions. Word has length 74 [2019-09-08 11:55:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:16,346 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 302 transitions. [2019-09-08 11:55:16,346 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:55:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 302 transitions. [2019-09-08 11:55:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 11:55:16,347 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:16,347 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] [2019-09-08 11:55:16,347 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:16,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:16,348 INFO L82 PathProgramCache]: Analyzing trace with hash 988299827, now seen corresponding path program 1 times [2019-09-08 11:55:16,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:16,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:16,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:16,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:16,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:16,717 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 11:55:16,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:16,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 11:55:16,717 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 11:55:16,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 11:55:16,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 11:55:16,718 INFO L87 Difference]: Start difference. First operand 238 states and 302 transitions. Second operand 12 states. [2019-09-08 11:55:17,142 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-09-08 11:55:17,270 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-09-08 11:55:18,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:18,055 INFO L93 Difference]: Finished difference Result 605 states and 833 transitions. [2019-09-08 11:55:18,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 11:55:18,056 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2019-09-08 11:55:18,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:18,058 INFO L225 Difference]: With dead ends: 605 [2019-09-08 11:55:18,058 INFO L226 Difference]: Without dead ends: 599 [2019-09-08 11:55:18,059 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:55:18,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-09-08 11:55:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 214. [2019-09-08 11:55:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-09-08 11:55:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 274 transitions. [2019-09-08 11:55:18,121 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 274 transitions. Word has length 74 [2019-09-08 11:55:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:18,121 INFO L475 AbstractCegarLoop]: Abstraction has 214 states and 274 transitions. [2019-09-08 11:55:18,121 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 11:55:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 274 transitions. [2019-09-08 11:55:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 11:55:18,122 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:18,122 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] [2019-09-08 11:55:18,122 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:18,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:18,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1612741772, now seen corresponding path program 1 times [2019-09-08 11:55:18,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:18,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:18,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:18,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:18,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:19,549 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 11:55:19,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:19,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-09-08 11:55:19,550 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-08 11:55:19,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-08 11:55:19,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2019-09-08 11:55:19,551 INFO L87 Difference]: Start difference. First operand 214 states and 274 transitions. Second operand 22 states. [2019-09-08 11:55:19,731 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-08 11:55:20,085 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-09-08 11:55:20,264 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-08 11:55:20,541 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-09-08 11:55:20,875 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 11:55:21,198 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-09-08 11:55:21,553 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-08 11:55:21,879 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-09-08 11:55:22,200 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-09-08 11:55:22,530 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-08 11:55:22,900 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2019-09-08 11:55:23,167 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-08 11:55:23,459 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-08 11:55:23,647 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-08 11:55:23,919 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-08 11:55:24,115 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-08 11:55:24,363 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-08 11:55:25,513 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-08 11:55:26,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:26,778 INFO L93 Difference]: Finished difference Result 842 states and 1175 transitions. [2019-09-08 11:55:26,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-08 11:55:26,779 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 74 [2019-09-08 11:55:26,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:26,781 INFO L225 Difference]: With dead ends: 842 [2019-09-08 11:55:26,781 INFO L226 Difference]: Without dead ends: 834 [2019-09-08 11:55:26,782 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=341, Invalid=1299, Unknown=0, NotChecked=0, Total=1640 [2019-09-08 11:55:26,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2019-09-08 11:55:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 219. [2019-09-08 11:55:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-09-08 11:55:26,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 279 transitions. [2019-09-08 11:55:26,838 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 279 transitions. Word has length 74 [2019-09-08 11:55:26,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:26,839 INFO L475 AbstractCegarLoop]: Abstraction has 219 states and 279 transitions. [2019-09-08 11:55:26,839 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-08 11:55:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 279 transitions. [2019-09-08 11:55:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-08 11:55:26,839 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:26,839 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] [2019-09-08 11:55:26,840 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:26,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:26,840 INFO L82 PathProgramCache]: Analyzing trace with hash -688715173, now seen corresponding path program 1 times [2019-09-08 11:55:26,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:26,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:26,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:26,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:26,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:27,169 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 11:55:27,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:27,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:55:27,170 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:55:27,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:55:27,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:55:27,171 INFO L87 Difference]: Start difference. First operand 219 states and 279 transitions. Second operand 10 states. [2019-09-08 11:55:28,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:28,301 INFO L93 Difference]: Finished difference Result 728 states and 1029 transitions. [2019-09-08 11:55:28,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 11:55:28,302 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2019-09-08 11:55:28,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:28,305 INFO L225 Difference]: With dead ends: 728 [2019-09-08 11:55:28,305 INFO L226 Difference]: Without dead ends: 699 [2019-09-08 11:55:28,306 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2019-09-08 11:55:28,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-09-08 11:55:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 190. [2019-09-08 11:55:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-09-08 11:55:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2019-09-08 11:55:28,399 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 75 [2019-09-08 11:55:28,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:28,400 INFO L475 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2019-09-08 11:55:28,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:55:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2019-09-08 11:55:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-09-08 11:55:28,401 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:28,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:28,402 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:28,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1982800984, now seen corresponding path program 1 times [2019-09-08 11:55:28,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:28,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:28,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:28,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:28,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:28,487 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 11:55:28,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:28,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:55:28,488 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:55:28,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:55:28,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:55:28,488 INFO L87 Difference]: Start difference. First operand 190 states and 248 transitions. Second operand 3 states. [2019-09-08 11:55:28,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:28,750 INFO L93 Difference]: Finished difference Result 392 states and 548 transitions. [2019-09-08 11:55:28,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:55:28,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2019-09-08 11:55:28,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:28,753 INFO L225 Difference]: With dead ends: 392 [2019-09-08 11:55:28,753 INFO L226 Difference]: Without dead ends: 287 [2019-09-08 11:55:28,754 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 11:55:28,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-09-08 11:55:28,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2019-09-08 11:55:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2019-09-08 11:55:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 387 transitions. [2019-09-08 11:55:28,926 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 387 transitions. Word has length 96 [2019-09-08 11:55:28,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:28,926 INFO L475 AbstractCegarLoop]: Abstraction has 285 states and 387 transitions. [2019-09-08 11:55:28,927 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:55:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 387 transitions. [2019-09-08 11:55:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-08 11:55:28,928 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:28,928 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:28,928 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:28,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:28,929 INFO L82 PathProgramCache]: Analyzing trace with hash -76698584, now seen corresponding path program 1 times [2019-09-08 11:55:28,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:28,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:28,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:28,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:28,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:28,990 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 11:55:28,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:28,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:55:28,991 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:55:28,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:55:28,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:55:28,991 INFO L87 Difference]: Start difference. First operand 285 states and 387 transitions. Second operand 5 states. [2019-09-08 11:55:30,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:30,073 INFO L93 Difference]: Finished difference Result 1233 states and 1787 transitions. [2019-09-08 11:55:30,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:55:30,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-09-08 11:55:30,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:30,078 INFO L225 Difference]: With dead ends: 1233 [2019-09-08 11:55:30,078 INFO L226 Difference]: Without dead ends: 1033 [2019-09-08 11:55:30,078 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:55:30,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2019-09-08 11:55:30,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 499. [2019-09-08 11:55:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2019-09-08 11:55:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 699 transitions. [2019-09-08 11:55:30,262 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 699 transitions. Word has length 98 [2019-09-08 11:55:30,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:30,262 INFO L475 AbstractCegarLoop]: Abstraction has 499 states and 699 transitions. [2019-09-08 11:55:30,262 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:55:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 699 transitions. [2019-09-08 11:55:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-08 11:55:30,264 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:30,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:30,264 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:30,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:30,265 INFO L82 PathProgramCache]: Analyzing trace with hash 506415028, now seen corresponding path program 1 times [2019-09-08 11:55:30,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:30,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:30,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:30,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:30,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:30,322 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 11:55:30,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:30,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:55:30,323 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:55:30,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:55:30,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:55:30,324 INFO L87 Difference]: Start difference. First operand 499 states and 699 transitions. Second operand 5 states. [2019-09-08 11:55:31,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:31,276 INFO L93 Difference]: Finished difference Result 2139 states and 3087 transitions. [2019-09-08 11:55:31,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:55:31,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-09-08 11:55:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:31,283 INFO L225 Difference]: With dead ends: 2139 [2019-09-08 11:55:31,284 INFO L226 Difference]: Without dead ends: 1725 [2019-09-08 11:55:31,285 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:55:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-09-08 11:55:31,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 943. [2019-09-08 11:55:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2019-09-08 11:55:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1339 transitions. [2019-09-08 11:55:31,646 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1339 transitions. Word has length 98 [2019-09-08 11:55:31,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:31,647 INFO L475 AbstractCegarLoop]: Abstraction has 943 states and 1339 transitions. [2019-09-08 11:55:31,647 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:55:31,647 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1339 transitions. [2019-09-08 11:55:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-08 11:55:31,648 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:31,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:31,648 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:31,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:31,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1917954603, now seen corresponding path program 1 times [2019-09-08 11:55:31,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:31,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:31,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:31,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:31,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:31,733 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 11:55:31,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:31,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:55:31,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:55:31,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:55:31,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:55:31,735 INFO L87 Difference]: Start difference. First operand 943 states and 1339 transitions. Second operand 3 states. [2019-09-08 11:55:32,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:32,524 INFO L93 Difference]: Finished difference Result 2247 states and 3241 transitions. [2019-09-08 11:55:32,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:55:32,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-09-08 11:55:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:32,530 INFO L225 Difference]: With dead ends: 2247 [2019-09-08 11:55:32,531 INFO L226 Difference]: Without dead ends: 1389 [2019-09-08 11:55:32,533 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 11:55:32,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2019-09-08 11:55:33,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1387. [2019-09-08 11:55:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2019-09-08 11:55:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1975 transitions. [2019-09-08 11:55:33,125 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1975 transitions. Word has length 98 [2019-09-08 11:55:33,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:33,125 INFO L475 AbstractCegarLoop]: Abstraction has 1387 states and 1975 transitions. [2019-09-08 11:55:33,126 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:55:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1975 transitions. [2019-09-08 11:55:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-08 11:55:33,127 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:33,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:33,128 INFO L418 AbstractCegarLoop]: === Iteration 37 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:33,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:33,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1207766954, now seen corresponding path program 1 times [2019-09-08 11:55:33,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:33,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:33,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:33,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:33,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:33,181 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 11:55:33,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:33,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:55:33,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:55:33,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:55:33,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:55:33,183 INFO L87 Difference]: Start difference. First operand 1387 states and 1975 transitions. Second operand 3 states. [2019-09-08 11:55:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:34,054 INFO L93 Difference]: Finished difference Result 3349 states and 4787 transitions. [2019-09-08 11:55:34,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:55:34,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-09-08 11:55:34,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:34,060 INFO L225 Difference]: With dead ends: 3349 [2019-09-08 11:55:34,061 INFO L226 Difference]: Without dead ends: 2047 [2019-09-08 11:55:34,064 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 11:55:34,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2019-09-08 11:55:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2021. [2019-09-08 11:55:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states. [2019-09-08 11:55:34,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2841 transitions. [2019-09-08 11:55:34,924 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2841 transitions. Word has length 98 [2019-09-08 11:55:34,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:34,924 INFO L475 AbstractCegarLoop]: Abstraction has 2021 states and 2841 transitions. [2019-09-08 11:55:34,925 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:55:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2841 transitions. [2019-09-08 11:55:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-08 11:55:34,926 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:34,926 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:34,927 INFO L418 AbstractCegarLoop]: === Iteration 38 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:34,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:34,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1496995374, now seen corresponding path program 1 times [2019-09-08 11:55:34,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:34,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:34,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:34,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:34,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:34,981 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 11:55:34,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:34,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:55:34,981 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:55:34,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:55:34,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:55:34,982 INFO L87 Difference]: Start difference. First operand 2021 states and 2841 transitions. Second operand 5 states. [2019-09-08 11:55:37,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:37,874 INFO L93 Difference]: Finished difference Result 8461 states and 11941 transitions. [2019-09-08 11:55:37,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:55:37,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-09-08 11:55:37,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:37,886 INFO L225 Difference]: With dead ends: 8461 [2019-09-08 11:55:37,886 INFO L226 Difference]: Without dead ends: 6525 [2019-09-08 11:55:37,891 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:55:37,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2019-09-08 11:55:39,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 4099. [2019-09-08 11:55:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4099 states. [2019-09-08 11:55:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5735 transitions. [2019-09-08 11:55:39,666 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5735 transitions. Word has length 98 [2019-09-08 11:55:39,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:39,666 INFO L475 AbstractCegarLoop]: Abstraction has 4099 states and 5735 transitions. [2019-09-08 11:55:39,666 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:55:39,667 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5735 transitions. [2019-09-08 11:55:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-08 11:55:39,668 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:39,668 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:39,668 INFO L418 AbstractCegarLoop]: === Iteration 39 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:39,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:39,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1555516846, now seen corresponding path program 1 times [2019-09-08 11:55:39,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:39,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:39,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:39,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:39,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:39,711 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 11:55:39,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:39,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:55:39,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:55:39,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:55:39,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:55:39,713 INFO L87 Difference]: Start difference. First operand 4099 states and 5735 transitions. Second operand 3 states. [2019-09-08 11:55:41,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:41,667 INFO L93 Difference]: Finished difference Result 8527 states and 11953 transitions. [2019-09-08 11:55:41,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:55:41,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-09-08 11:55:41,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:41,677 INFO L225 Difference]: With dead ends: 8527 [2019-09-08 11:55:41,677 INFO L226 Difference]: Without dead ends: 4513 [2019-09-08 11:55:41,684 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 11:55:41,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4513 states. [2019-09-08 11:55:43,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4513 to 4463. [2019-09-08 11:55:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4463 states. [2019-09-08 11:55:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4463 states to 4463 states and 6203 transitions. [2019-09-08 11:55:43,622 INFO L78 Accepts]: Start accepts. Automaton has 4463 states and 6203 transitions. Word has length 99 [2019-09-08 11:55:43,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:43,622 INFO L475 AbstractCegarLoop]: Abstraction has 4463 states and 6203 transitions. [2019-09-08 11:55:43,622 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:55:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4463 states and 6203 transitions. [2019-09-08 11:55:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-08 11:55:43,624 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:43,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:43,624 INFO L418 AbstractCegarLoop]: === Iteration 40 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:43,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:43,625 INFO L82 PathProgramCache]: Analyzing trace with hash 143060042, now seen corresponding path program 1 times [2019-09-08 11:55:43,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:43,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:43,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:43,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:43,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:43,678 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 11:55:43,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:43,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:55:43,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:55:43,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:55:43,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:55:43,679 INFO L87 Difference]: Start difference. First operand 4463 states and 6203 transitions. Second operand 5 states. [2019-09-08 11:55:47,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:47,984 INFO L93 Difference]: Finished difference Result 13767 states and 19039 transitions. [2019-09-08 11:55:47,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:55:47,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2019-09-08 11:55:47,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:48,000 INFO L225 Difference]: With dead ends: 13767 [2019-09-08 11:55:48,000 INFO L226 Difference]: Without dead ends: 9389 [2019-09-08 11:55:48,008 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:55:48,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9389 states. [2019-09-08 11:55:50,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9389 to 5495. [2019-09-08 11:55:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5495 states. [2019-09-08 11:55:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 5495 states and 7523 transitions. [2019-09-08 11:55:50,595 INFO L78 Accepts]: Start accepts. Automaton has 5495 states and 7523 transitions. Word has length 99 [2019-09-08 11:55:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:50,595 INFO L475 AbstractCegarLoop]: Abstraction has 5495 states and 7523 transitions. [2019-09-08 11:55:50,595 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:55:50,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 7523 transitions. [2019-09-08 11:55:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-08 11:55:50,597 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:50,597 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:50,597 INFO L418 AbstractCegarLoop]: === Iteration 41 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:50,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:50,597 INFO L82 PathProgramCache]: Analyzing trace with hash -732117008, now seen corresponding path program 1 times [2019-09-08 11:55:50,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:50,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:50,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:50,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:50,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:50,678 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 11:55:50,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:50,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:55:50,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:55:50,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:55:50,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:55:50,679 INFO L87 Difference]: Start difference. First operand 5495 states and 7523 transitions. Second operand 6 states. [2019-09-08 11:55:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:54,800 INFO L93 Difference]: Finished difference Result 8767 states and 11780 transitions. [2019-09-08 11:55:54,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:55:54,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-09-08 11:55:54,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:54,812 INFO L225 Difference]: With dead ends: 8767 [2019-09-08 11:55:54,812 INFO L226 Difference]: Without dead ends: 8765 [2019-09-08 11:55:54,815 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 11:55:54,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8765 states. [2019-09-08 11:55:57,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8765 to 5591. [2019-09-08 11:55:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5591 states. [2019-09-08 11:55:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5591 states to 5591 states and 7587 transitions. [2019-09-08 11:55:57,485 INFO L78 Accepts]: Start accepts. Automaton has 5591 states and 7587 transitions. Word has length 99 [2019-09-08 11:55:57,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:55:57,485 INFO L475 AbstractCegarLoop]: Abstraction has 5591 states and 7587 transitions. [2019-09-08 11:55:57,485 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:55:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5591 states and 7587 transitions. [2019-09-08 11:55:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-08 11:55:57,487 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:55:57,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:55:57,487 INFO L418 AbstractCegarLoop]: === Iteration 42 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:55:57,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:55:57,488 INFO L82 PathProgramCache]: Analyzing trace with hash -589488884, now seen corresponding path program 1 times [2019-09-08 11:55:57,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:55:57,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:55:57,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:57,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:55:57,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:55:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:55:57,535 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 11:55:57,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:55:57,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:55:57,536 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:55:57,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:55:57,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:55:57,537 INFO L87 Difference]: Start difference. First operand 5591 states and 7587 transitions. Second operand 3 states. [2019-09-08 11:55:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:55:59,958 INFO L93 Difference]: Finished difference Result 10779 states and 14605 transitions. [2019-09-08 11:55:59,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:55:59,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-09-08 11:55:59,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:55:59,963 INFO L225 Difference]: With dead ends: 10779 [2019-09-08 11:55:59,963 INFO L226 Difference]: Without dead ends: 5273 [2019-09-08 11:55:59,969 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 11:55:59,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5273 states. [2019-09-08 11:56:01,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5273 to 4015. [2019-09-08 11:56:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4015 states. [2019-09-08 11:56:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 5333 transitions. [2019-09-08 11:56:01,901 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 5333 transitions. Word has length 100 [2019-09-08 11:56:01,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:56:01,902 INFO L475 AbstractCegarLoop]: Abstraction has 4015 states and 5333 transitions. [2019-09-08 11:56:01,902 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:56:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 5333 transitions. [2019-09-08 11:56:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-08 11:56:01,903 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:56:01,903 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:56:01,903 INFO L418 AbstractCegarLoop]: === Iteration 43 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:56:01,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:56:01,903 INFO L82 PathProgramCache]: Analyzing trace with hash 446049293, now seen corresponding path program 1 times [2019-09-08 11:56:01,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:56:01,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:56:01,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:01,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:56:01,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:56:01,952 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 11:56:01,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:56:01,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:56:01,953 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:56:01,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:56:01,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:56:01,954 INFO L87 Difference]: Start difference. First operand 4015 states and 5333 transitions. Second operand 3 states. [2019-09-08 11:56:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:56:04,622 INFO L93 Difference]: Finished difference Result 9843 states and 13031 transitions. [2019-09-08 11:56:04,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:56:04,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-09-08 11:56:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:56:04,632 INFO L225 Difference]: With dead ends: 9843 [2019-09-08 11:56:04,632 INFO L226 Difference]: Without dead ends: 5913 [2019-09-08 11:56:04,639 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 11:56:04,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5913 states. [2019-09-08 11:56:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5913 to 5531. [2019-09-08 11:56:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5531 states. [2019-09-08 11:56:07,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5531 states to 5531 states and 7277 transitions. [2019-09-08 11:56:07,217 INFO L78 Accepts]: Start accepts. Automaton has 5531 states and 7277 transitions. Word has length 101 [2019-09-08 11:56:07,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:56:07,217 INFO L475 AbstractCegarLoop]: Abstraction has 5531 states and 7277 transitions. [2019-09-08 11:56:07,217 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:56:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5531 states and 7277 transitions. [2019-09-08 11:56:07,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-08 11:56:07,218 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:56:07,218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:56:07,218 INFO L418 AbstractCegarLoop]: === Iteration 44 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:56:07,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:56:07,219 INFO L82 PathProgramCache]: Analyzing trace with hash -489401507, now seen corresponding path program 1 times [2019-09-08 11:56:07,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:56:07,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:56:07,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:07,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:56:07,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:56:07,271 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 11:56:07,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:56:07,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:56:07,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:56:07,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:56:07,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:56:07,272 INFO L87 Difference]: Start difference. First operand 5531 states and 7277 transitions. Second operand 3 states. [2019-09-08 11:56:09,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:56:09,683 INFO L93 Difference]: Finished difference Result 10667 states and 14027 transitions. [2019-09-08 11:56:09,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:56:09,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-08 11:56:09,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:56:09,688 INFO L225 Difference]: With dead ends: 10667 [2019-09-08 11:56:09,688 INFO L226 Difference]: Without dead ends: 5221 [2019-09-08 11:56:09,695 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 11:56:09,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2019-09-08 11:56:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5219. [2019-09-08 11:56:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5219 states. [2019-09-08 11:56:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 6779 transitions. [2019-09-08 11:56:12,093 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 6779 transitions. Word has length 102 [2019-09-08 11:56:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:56:12,094 INFO L475 AbstractCegarLoop]: Abstraction has 5219 states and 6779 transitions. [2019-09-08 11:56:12,094 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:56:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 6779 transitions. [2019-09-08 11:56:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-09-08 11:56:12,096 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:56:12,096 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:56:12,097 INFO L418 AbstractCegarLoop]: === Iteration 45 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:56:12,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:56:12,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1208602856, now seen corresponding path program 1 times [2019-09-08 11:56:12,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:56:12,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:56:12,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:12,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:56:12,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:56:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-08 11:56:12,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:56:12,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:56:12,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:56:12,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:56:12,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:56:12,153 INFO L87 Difference]: Start difference. First operand 5219 states and 6779 transitions. Second operand 3 states. [2019-09-08 11:56:15,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:56:15,054 INFO L93 Difference]: Finished difference Result 11399 states and 14765 transitions. [2019-09-08 11:56:15,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:56:15,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-09-08 11:56:15,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:56:15,061 INFO L225 Difference]: With dead ends: 11399 [2019-09-08 11:56:15,061 INFO L226 Difference]: Without dead ends: 6265 [2019-09-08 11:56:15,068 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 11:56:15,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2019-09-08 11:56:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 5943. [2019-09-08 11:56:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5943 states. [2019-09-08 11:56:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5943 states to 5943 states and 7635 transitions. [2019-09-08 11:56:17,894 INFO L78 Accepts]: Start accepts. Automaton has 5943 states and 7635 transitions. Word has length 126 [2019-09-08 11:56:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:56:17,894 INFO L475 AbstractCegarLoop]: Abstraction has 5943 states and 7635 transitions. [2019-09-08 11:56:17,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:56:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5943 states and 7635 transitions. [2019-09-08 11:56:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-09-08 11:56:17,896 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:56:17,897 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:56:17,897 INFO L418 AbstractCegarLoop]: === Iteration 46 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:56:17,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:56:17,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1631987108, now seen corresponding path program 1 times [2019-09-08 11:56:17,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:56:17,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:56:17,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:17,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:56:17,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:56:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:56:17,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:56:17,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:56:17,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:56:17,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:56:17,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:56:17,957 INFO L87 Difference]: Start difference. First operand 5943 states and 7635 transitions. Second operand 3 states. [2019-09-08 11:56:20,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:56:20,353 INFO L93 Difference]: Finished difference Result 10807 states and 13821 transitions. [2019-09-08 11:56:20,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:56:20,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-09-08 11:56:20,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:56:20,359 INFO L225 Difference]: With dead ends: 10807 [2019-09-08 11:56:20,359 INFO L226 Difference]: Without dead ends: 4949 [2019-09-08 11:56:20,366 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 11:56:20,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2019-09-08 11:56:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 4887. [2019-09-08 11:56:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4887 states. [2019-09-08 11:56:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4887 states to 4887 states and 6099 transitions. [2019-09-08 11:56:22,712 INFO L78 Accepts]: Start accepts. Automaton has 4887 states and 6099 transitions. Word has length 127 [2019-09-08 11:56:22,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:56:22,712 INFO L475 AbstractCegarLoop]: Abstraction has 4887 states and 6099 transitions. [2019-09-08 11:56:22,712 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:56:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4887 states and 6099 transitions. [2019-09-08 11:56:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 11:56:22,713 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:56:22,714 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:56:22,714 INFO L418 AbstractCegarLoop]: === Iteration 47 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:56:22,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:56:22,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1410333484, now seen corresponding path program 1 times [2019-09-08 11:56:22,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:56:22,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:56:22,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:22,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:56:22,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:56:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 11:56:22,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:56:22,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:56:22,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:56:22,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:56:22,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:56:22,850 INFO L87 Difference]: Start difference. First operand 4887 states and 6099 transitions. Second operand 6 states. [2019-09-08 11:56:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:56:32,411 INFO L93 Difference]: Finished difference Result 24445 states and 30436 transitions. [2019-09-08 11:56:32,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:56:32,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-09-08 11:56:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:56:32,426 INFO L225 Difference]: With dead ends: 24445 [2019-09-08 11:56:32,426 INFO L226 Difference]: Without dead ends: 19643 [2019-09-08 11:56:32,433 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:56:32,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19643 states. [2019-09-08 11:56:37,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19643 to 8423. [2019-09-08 11:56:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8423 states. [2019-09-08 11:56:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8423 states to 8423 states and 10459 transitions. [2019-09-08 11:56:37,208 INFO L78 Accepts]: Start accepts. Automaton has 8423 states and 10459 transitions. Word has length 128 [2019-09-08 11:56:37,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:56:37,209 INFO L475 AbstractCegarLoop]: Abstraction has 8423 states and 10459 transitions. [2019-09-08 11:56:37,209 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:56:37,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8423 states and 10459 transitions. [2019-09-08 11:56:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 11:56:37,210 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:56:37,210 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:56:37,210 INFO L418 AbstractCegarLoop]: === Iteration 48 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:56:37,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:56:37,211 INFO L82 PathProgramCache]: Analyzing trace with hash -827219872, now seen corresponding path program 1 times [2019-09-08 11:56:37,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:56:37,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:56:37,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:37,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:56:37,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:56:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-08 11:56:37,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:56:37,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:56:37,331 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:56:37,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:56:37,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:56:37,332 INFO L87 Difference]: Start difference. First operand 8423 states and 10459 transitions. Second operand 6 states. [2019-09-08 11:56:48,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:56:48,911 INFO L93 Difference]: Finished difference Result 28201 states and 35068 transitions. [2019-09-08 11:56:48,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:56:48,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-09-08 11:56:48,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:56:48,930 INFO L225 Difference]: With dead ends: 28201 [2019-09-08 11:56:48,931 INFO L226 Difference]: Without dead ends: 23399 [2019-09-08 11:56:48,939 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:56:48,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23399 states. [2019-09-08 11:56:55,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23399 to 13695. [2019-09-08 11:56:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13695 states. [2019-09-08 11:56:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13695 states to 13695 states and 16919 transitions. [2019-09-08 11:56:55,850 INFO L78 Accepts]: Start accepts. Automaton has 13695 states and 16919 transitions. Word has length 128 [2019-09-08 11:56:55,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:56:55,850 INFO L475 AbstractCegarLoop]: Abstraction has 13695 states and 16919 transitions. [2019-09-08 11:56:55,850 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:56:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 13695 states and 16919 transitions. [2019-09-08 11:56:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 11:56:55,852 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:56:55,853 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:56:55,853 INFO L418 AbstractCegarLoop]: === Iteration 49 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:56:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:56:55,853 INFO L82 PathProgramCache]: Analyzing trace with hash 163360474, now seen corresponding path program 1 times [2019-09-08 11:56:55,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:56:55,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:56:55,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:55,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:56:55,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:56:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:56:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 11:56:55,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:56:55,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:56:55,996 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:56:55,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:56:55,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:56:55,997 INFO L87 Difference]: Start difference. First operand 13695 states and 16919 transitions. Second operand 6 states. [2019-09-08 11:57:09,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:57:09,926 INFO L93 Difference]: Finished difference Result 31813 states and 39546 transitions. [2019-09-08 11:57:09,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:57:09,926 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-09-08 11:57:09,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:57:09,950 INFO L225 Difference]: With dead ends: 31813 [2019-09-08 11:57:09,951 INFO L226 Difference]: Without dead ends: 27011 [2019-09-08 11:57:09,960 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:57:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27011 states. [2019-09-08 11:57:18,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27011 to 17231. [2019-09-08 11:57:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17231 states. [2019-09-08 11:57:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 21279 transitions. [2019-09-08 11:57:18,870 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 21279 transitions. Word has length 128 [2019-09-08 11:57:18,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:57:18,870 INFO L475 AbstractCegarLoop]: Abstraction has 17231 states and 21279 transitions. [2019-09-08 11:57:18,870 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:57:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 21279 transitions. [2019-09-08 11:57:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 11:57:18,872 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:57:18,872 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:57:18,872 INFO L418 AbstractCegarLoop]: === Iteration 50 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:57:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:57:18,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1572708942, now seen corresponding path program 1 times [2019-09-08 11:57:18,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:57:18,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:57:18,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:57:18,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:57:18,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:57:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:57:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-08 11:57:18,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:57:18,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:57:18,995 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:57:18,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:57:18,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:57:18,996 INFO L87 Difference]: Start difference. First operand 17231 states and 21279 transitions. Second operand 6 states. [2019-09-08 11:57:34,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:57:34,543 INFO L93 Difference]: Finished difference Result 35229 states and 43750 transitions. [2019-09-08 11:57:34,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 11:57:34,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-09-08 11:57:34,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:57:34,568 INFO L225 Difference]: With dead ends: 35229 [2019-09-08 11:57:34,569 INFO L226 Difference]: Without dead ends: 30427 [2019-09-08 11:57:34,580 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:57:34,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30427 states. [2019-09-08 11:57:45,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30427 to 20767. [2019-09-08 11:57:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20767 states. [2019-09-08 11:57:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20767 states to 20767 states and 25639 transitions. [2019-09-08 11:57:45,082 INFO L78 Accepts]: Start accepts. Automaton has 20767 states and 25639 transitions. Word has length 128 [2019-09-08 11:57:45,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:57:45,082 INFO L475 AbstractCegarLoop]: Abstraction has 20767 states and 25639 transitions. [2019-09-08 11:57:45,082 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:57:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 20767 states and 25639 transitions. [2019-09-08 11:57:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-08 11:57:45,084 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:57:45,084 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:57:45,084 INFO L418 AbstractCegarLoop]: === Iteration 51 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:57:45,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:57:45,085 INFO L82 PathProgramCache]: Analyzing trace with hash 779954056, now seen corresponding path program 1 times [2019-09-08 11:57:45,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:57:45,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:57:45,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:57:45,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:57:45,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:57:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:57:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-08 11:57:45,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:57:45,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:57:45,218 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:57:45,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:57:45,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:57:45,218 INFO L87 Difference]: Start difference. First operand 20767 states and 25639 transitions. Second operand 9 states. [2019-09-08 11:58:07,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:58:07,348 INFO L93 Difference]: Finished difference Result 62157 states and 76765 transitions. [2019-09-08 11:58:07,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:58:07,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2019-09-08 11:58:07,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:58:07,387 INFO L225 Difference]: With dead ends: 62157 [2019-09-08 11:58:07,387 INFO L226 Difference]: Without dead ends: 41469 [2019-09-08 11:58:07,407 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:58:07,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41469 states. [2019-09-08 11:58:18,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41469 to 20767. [2019-09-08 11:58:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20767 states. [2019-09-08 11:58:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20767 states to 20767 states and 25638 transitions. [2019-09-08 11:58:18,265 INFO L78 Accepts]: Start accepts. Automaton has 20767 states and 25638 transitions. Word has length 129 [2019-09-08 11:58:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:58:18,266 INFO L475 AbstractCegarLoop]: Abstraction has 20767 states and 25638 transitions. [2019-09-08 11:58:18,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:58:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 20767 states and 25638 transitions. [2019-09-08 11:58:18,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-08 11:58:18,269 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:58:18,269 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:58:18,269 INFO L418 AbstractCegarLoop]: === Iteration 52 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:58:18,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:58:18,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1429874590, now seen corresponding path program 1 times [2019-09-08 11:58:18,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:58:18,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:58:18,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:58:18,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:58:18,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:58:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:58:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-08 11:58:18,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:58:18,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 11:58:18,334 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 11:58:18,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 11:58:18,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 11:58:18,335 INFO L87 Difference]: Start difference. First operand 20767 states and 25638 transitions. Second operand 4 states. [2019-09-08 11:58:29,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:58:29,157 INFO L93 Difference]: Finished difference Result 41469 states and 51207 transitions. [2019-09-08 11:58:29,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:58:29,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-09-08 11:58:29,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:58:29,175 INFO L225 Difference]: With dead ends: 41469 [2019-09-08 11:58:29,175 INFO L226 Difference]: Without dead ends: 20787 [2019-09-08 11:58:29,197 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:58:29,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20787 states. [2019-09-08 11:58:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20787 to 20760. [2019-09-08 11:58:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20760 states. [2019-09-08 11:58:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20760 states to 20760 states and 25631 transitions. [2019-09-08 11:58:40,374 INFO L78 Accepts]: Start accepts. Automaton has 20760 states and 25631 transitions. Word has length 131 [2019-09-08 11:58:40,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:58:40,374 INFO L475 AbstractCegarLoop]: Abstraction has 20760 states and 25631 transitions. [2019-09-08 11:58:40,374 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 11:58:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 20760 states and 25631 transitions. [2019-09-08 11:58:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-08 11:58:40,376 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:58:40,377 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:58:40,377 INFO L418 AbstractCegarLoop]: === Iteration 53 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:58:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:58:40,377 INFO L82 PathProgramCache]: Analyzing trace with hash -521469309, now seen corresponding path program 1 times [2019-09-08 11:58:40,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:58:40,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:58:40,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:58:40,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:58:40,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:58:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:58:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:58:40,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:58:40,623 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 11:58:40,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:58:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:58:40,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 11:58:40,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:58:41,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:58:41,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:58:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 11:58:41,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:58:41,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 20 [2019-09-08 11:58:41,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:58:41,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:58:41,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:58:41,655 INFO L87 Difference]: Start difference. First operand 20760 states and 25631 transitions. Second operand 20 states. [2019-09-08 11:58:41,841 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:58:42,445 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-08 11:58:42,811 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:58:43,346 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 11:58:44,007 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:58:44,337 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:58:44,650 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:58:44,968 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:58:45,414 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:58:45,631 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:58:45,942 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:58:46,324 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:58:46,656 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 11:58:47,053 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:58:47,358 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:58:48,008 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:58:48,623 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:58:48,994 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:58:49,244 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:58:49,772 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-09-08 11:58:50,062 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:58:50,343 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:58:50,729 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:58:51,163 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:58:51,575 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:58:51,893 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:58:52,518 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 11:58:52,843 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:58:53,300 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:58:53,698 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:58:54,093 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 11:58:54,516 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:58:54,829 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:58:55,241 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:58:56,296 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:58:56,646 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:58:57,150 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:58:57,643 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:58:58,169 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:58:58,725 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:58:59,236 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:58:59,663 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:59:00,004 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:59:00,465 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-08 11:59:00,932 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:59:01,432 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-08 11:59:01,919 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-08 11:59:02,393 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-08 11:59:02,754 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:59:03,078 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:59:03,429 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:59:03,745 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:59:04,195 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2019-09-08 11:59:04,504 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:59:04,899 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2019-09-08 11:59:05,208 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 11:59:05,663 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-08 11:59:05,898 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-08 11:59:06,307 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:59:06,748 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:59:07,227 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:59:07,640 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:59:07,953 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:59:08,299 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:59:08,677 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:59:08,945 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:59:09,592 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:59:09,991 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:59:10,322 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:59:10,626 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:59:11,066 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:59:11,433 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:59:12,105 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:59:12,440 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:59:14,797 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:59:16,170 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-09-08 11:59:16,563 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:59:16,848 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:59:17,199 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-08 11:59:17,985 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:59:18,596 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:59:19,267 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 11:59:19,765 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:59:20,270 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2019-09-08 11:59:20,823 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-08 11:59:21,130 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:59:21,856 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:59:22,350 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:59:22,720 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:59:23,182 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:59:23,489 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:59:24,703 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-08 11:59:25,416 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-09-08 11:59:25,893 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-08 11:59:26,508 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-08 11:59:27,128 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-09-08 11:59:27,625 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:59:33,288 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-08 11:59:34,483 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 11:59:34,970 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-08 11:59:35,818 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2019-09-08 11:59:36,364 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:59:37,193 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-08 11:59:37,770 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-08 11:59:38,650 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:59:44,469 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:59:45,709 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:59:46,513 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:59:47,241 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:59:48,134 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:59:48,838 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:59:50,164 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:59:50,961 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:59:54,280 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:59:54,590 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-08 11:59:55,768 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:59:57,046 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:59:57,438 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:59:58,456 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:59:59,722 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:00:29,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 12:00:29,618 INFO L93 Difference]: Finished difference Result 113649 states and 138925 transitions. [2019-09-08 12:00:29,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2019-09-08 12:00:29,618 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 131 [2019-09-08 12:00:29,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 12:00:29,879 INFO L225 Difference]: With dead ends: 113649 [2019-09-08 12:00:29,880 INFO L226 Difference]: Without dead ends: 92967 [2019-09-08 12:00:29,943 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7295 ImplicationChecksByTransitivity, 43.4s TimeCoverageRelationStatistics Valid=3777, Invalid=16529, Unknown=0, NotChecked=0, Total=20306 [2019-09-08 12:00:30,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92967 states. [2019-09-08 12:01:08,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92967 to 62447. [2019-09-08 12:01:08,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62447 states. [2019-09-08 12:01:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62447 states to 62447 states and 76769 transitions. [2019-09-08 12:01:08,934 INFO L78 Accepts]: Start accepts. Automaton has 62447 states and 76769 transitions. Word has length 131 [2019-09-08 12:01:08,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 12:01:08,934 INFO L475 AbstractCegarLoop]: Abstraction has 62447 states and 76769 transitions. [2019-09-08 12:01:08,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 12:01:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 62447 states and 76769 transitions. [2019-09-08 12:01:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-08 12:01:08,945 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 12:01:08,946 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 12:01:08,946 INFO L418 AbstractCegarLoop]: === Iteration 54 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 12:01:08,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 12:01:08,946 INFO L82 PathProgramCache]: Analyzing trace with hash 579921331, now seen corresponding path program 1 times [2019-09-08 12:01:08,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 12:01:08,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 12:01:08,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 12:01:08,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 12:01:08,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 12:01:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 12:01:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 12:01:09,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 12:01:09,401 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) [2019-09-08 12:01:09,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 12:01:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 12:01:09,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 12:01:09,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 12:01:09,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 12:01:10,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 12:01:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 12:01:10,344 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 12:01:10,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2019-09-08 12:01:10,345 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-08 12:01:10,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-08 12:01:10,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2019-09-08 12:01:10,346 INFO L87 Difference]: Start difference. First operand 62447 states and 76769 transitions. Second operand 26 states. [2019-09-08 12:01:10,771 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-08 12:01:11,548 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-08 12:01:11,984 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 12:01:12,199 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 12:01:12,460 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-08 12:01:12,706 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-08 12:01:13,018 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 12:01:13,299 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:01:13,753 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 12:01:14,096 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:01:14,495 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 12:01:15,031 WARN L188 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 12:01:15,528 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 12:01:15,824 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 12:01:16,341 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 12:01:16,787 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:01:17,041 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 12:01:17,381 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:01:17,848 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 12:01:18,122 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:01:18,603 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-08 12:01:18,852 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:01:19,140 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:01:19,416 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:01:19,695 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:01:20,089 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:01:20,390 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 12:01:20,654 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:01:20,913 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 12:01:21,343 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 12:01:21,850 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:01:22,166 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:01:22,883 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:01:23,443 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:01:23,761 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:01:24,035 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:01:24,450 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 12:01:24,778 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:01:25,190 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:01:25,600 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 12:01:26,488 WARN L188 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 12:01:26,870 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 12:01:27,332 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 12:01:27,754 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:01:28,145 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:01:28,516 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 12:01:28,895 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:01:29,102 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 12:01:29,366 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:01:29,675 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:01:29,927 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 12:01:30,247 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 12:01:30,505 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:01:30,828 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:01:31,166 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:01:31,937 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 12:01:32,225 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 12:01:32,641 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 12:01:32,936 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:01:33,533 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 12:01:33,940 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:01:34,240 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 12:01:34,833 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-08 12:01:35,215 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:01:35,751 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 12:01:36,234 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 12:01:36,670 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 12:01:37,081 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:01:37,556 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:01:37,907 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:01:38,351 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 12:01:38,907 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 12:01:39,327 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:01:39,993 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 12:01:42,441 WARN L188 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 12:01:42,887 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-08 12:01:43,339 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:01:43,654 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:01:44,025 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:01:44,686 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 12:01:45,163 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 12:01:45,516 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:01:46,218 WARN L188 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-09-08 12:01:46,934 WARN L188 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:01:47,388 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 12:01:47,800 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 12:01:48,384 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 12:01:48,870 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-08 12:01:49,232 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:01:49,621 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-08 12:01:50,025 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-08 12:01:50,570 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 12:01:50,969 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 12:01:51,347 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 12:01:52,167 WARN L188 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 12:01:52,560 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:01:53,082 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 12:01:53,364 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:01:53,690 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:01:54,039 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:01:54,510 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-09-08 12:01:54,870 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:01:55,321 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 12:01:56,123 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 12:01:56,578 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:01:56,981 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-08 12:01:58,779 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:01:59,363 WARN L188 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 12:02:00,143 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:02:00,663 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 12:02:01,001 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:02:01,419 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 12:02:01,797 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:02:02,247 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 12:02:02,618 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:02:03,144 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 12:02:03,856 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 12:02:04,537 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:02:04,936 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 12:02:05,252 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:02:05,614 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 12:02:06,005 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:02:06,455 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 12:02:06,833 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:02:07,253 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 12:02:07,626 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:02:08,209 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 12:02:08,534 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:02:08,917 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 12:02:09,912 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 12:02:10,545 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 12:02:11,095 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:02:11,762 WARN L188 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 12:02:12,154 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:02:12,530 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 12:02:13,288 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 12:02:13,790 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 12:02:14,250 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 12:02:14,671 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 12:02:15,075 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:02:15,612 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:02:16,052 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 12:02:16,471 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 12:02:16,758 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 12:02:17,135 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:02:17,452 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:02:17,857 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:02:18,371 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:02:18,743 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:02:19,084 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 12:02:19,575 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 12:02:19,934 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 12:02:20,432 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 12:02:20,977 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 12:02:21,624 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 12:02:22,070 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 12:02:22,470 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 12:02:22,855 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 12:02:23,366 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 12:02:23,947 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 12:02:24,393 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 12:02:24,943 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 12:02:25,383 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 12:02:25,771 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:02:26,108 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 12:02:26,654 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 12:02:27,044 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 12:02:27,489 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 12:02:27,881 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 12:02:28,360 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 12:02:28,929 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 12:02:29,244 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 12:02:29,651 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-08 12:02:30,052 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-08 12:02:30,392 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 12:02:30,697 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:02:31,038 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:02:31,294 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:02:31,818 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:02:32,236 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:02:32,542 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:02:32,871 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:02:33,175 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:02:33,524 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:02:33,847 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:02:34,208 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:02:34,605 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 12:02:34,945 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:02:35,490 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-08 12:02:35,916 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-08 12:02:36,286 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:02:36,732 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:02:37,191 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 12:02:37,686 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:02:38,130 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 12:02:38,573 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 12:02:39,840 WARN L188 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 12:02:40,354 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 12:02:41,076 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 12:02:41,617 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 12:02:41,979 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 12:02:42,338 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 12:02:42,737 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 12:02:43,219 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 12:02:43,583 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 12:02:43,987 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 12:02:44,443 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 12:02:45,021 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 12:02:45,485 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:02:45,779 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 12:02:46,321 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:02:46,788 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 12:02:47,159 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:02:47,552 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:02:47,976 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 12:02:48,329 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 12:02:48,731 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 12:02:49,167 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:02:49,584 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 12:02:49,904 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 12:02:50,275 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 12:02:50,661 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-08 12:02:51,020 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 12:02:51,639 WARN L188 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-08 12:02:51,912 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 12:02:52,129 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 12:02:52,446 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:02:52,971 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:02:53,258 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:02:53,549 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:02:53,969 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:02:54,445 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:02:54,769 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:02:55,050 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:02:55,358 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:02:55,709 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:02:56,003 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:02:56,461 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:02:57,027 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:02:57,372 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:02:57,838 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:02:58,182 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:02:58,527 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:02:59,094 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:02:59,605 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:03:00,027 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-08 12:03:00,420 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:03:00,792 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 12:03:01,249 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 12:03:01,593 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 12:03:02,067 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:03:02,429 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:03:02,762 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:03:03,120 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:03:03,503 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 12:03:03,892 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 12:03:04,173 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 12:03:04,605 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 12:03:04,857 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 12:03:05,453 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 12:03:05,800 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 12:03:06,153 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 12:03:06,722 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 12:03:07,133 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 12:03:07,508 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 12:03:08,216 WARN L188 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 12:03:08,610 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:03:09,044 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:03:09,498 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 12:03:09,827 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:03:10,343 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:03:10,717 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-08 12:03:11,068 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:03:11,440 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:03:11,768 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 12:03:12,424 WARN L188 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 12:03:12,834 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-08 12:03:13,193 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 12:03:13,537 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-08 12:03:13,895 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:03:14,352 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:03:14,751 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 12:03:15,279 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 12:03:15,691 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:03:15,947 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:03:16,263 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:03:16,680 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 12:03:16,992 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:03:17,294 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:03:17,593 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:03:17,874 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:03:18,219 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:03:18,654 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:03:18,987 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:03:19,417 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:03:19,777 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:03:22,146 WARN L188 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:03:22,613 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:03:23,001 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:03:23,436 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:03:23,771 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:03:24,142 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:03:24,493 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:03:24,845 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:03:25,228 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:03:25,597 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:03:25,995 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:03:26,377 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:03:27,355 WARN L188 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 12:03:27,983 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 12:03:28,651 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:03:29,159 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 12:03:29,532 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-08 12:03:29,970 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 12:03:30,729 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:03:31,265 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:03:31,743 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:03:32,101 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:03:45,501 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:03:48,470 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:03:48,807 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:03:49,184 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:03:51,303 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 12:03:54,403 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 12:03:55,245 WARN L188 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:03:56,182 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:03:57,259 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 12:03:57,631 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 12:03:59,562 WARN L188 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 12:03:59,985 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 12:04:00,330 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 12:04:00,695 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:04:01,224 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 12:04:01,750 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 12:04:02,203 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:04:03,219 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:04:03,583 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:04:03,839 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:04:04,195 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:04:04,746 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:04:05,606 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 12:04:06,129 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 12:04:06,498 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 12:04:07,068 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 12:04:07,531 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 12:04:07,984 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:04:08,787 WARN L188 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 12:04:09,093 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:04:09,547 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-08 12:04:10,008 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:04:10,432 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 12:04:10,795 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:04:11,870 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 12:04:12,408 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 12:04:12,716 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 12:04:13,266 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 12:04:13,636 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:04:14,033 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 12:04:14,407 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:04:14,815 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:04:15,241 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:04:16,039 WARN L188 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:04:16,410 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:04:16,772 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:04:17,694 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 12:04:18,553 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:04:18,894 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:04:19,287 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:04:19,890 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:04:20,237 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:04:20,606 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:04:21,322 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 12:04:21,937 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 12:04:22,421 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 12:04:22,809 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:04:23,351 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-08 12:04:23,777 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-08 12:04:24,461 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:04:24,777 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:04:25,222 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:04:25,737 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-08 12:04:26,578 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 12:04:27,172 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 12:04:27,637 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 12:04:28,008 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:04:28,554 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:04:29,042 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-08 12:04:29,453 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-08 12:04:29,885 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 12:04:30,303 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:04:31,244 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:04:31,672 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:04:32,127 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 12:04:32,506 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:04:33,021 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:04:33,580 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:04:33,997 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:04:34,500 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-09-08 12:04:34,965 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-08 12:04:36,834 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:04:37,128 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:04:37,782 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-08 12:04:38,229 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:04:45,093 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 12:04:47,048 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:04:47,732 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:04:48,111 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:04:48,636 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:04:49,713 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:04:50,050 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:04:51,090 WARN L188 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-08 12:04:51,742 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 12:04:52,253 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:04:52,841 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:04:53,224 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:04:53,662 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:04:54,052 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:04:54,506 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:04:54,876 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 12:04:55,310 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 12:04:55,898 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:04:56,298 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:04:56,642 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:04:57,023 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:04:57,503 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:04:57,930 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:04:58,154 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 12:04:58,493 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 12:04:59,430 WARN L188 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:05:00,079 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:05:00,572 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:05:01,041 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:05:01,497 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:05:01,863 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:05:02,228 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 12:05:02,645 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 12:05:03,040 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 12:05:03,522 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 12:05:03,935 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-08 12:05:04,309 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-08 12:05:04,703 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-08 12:05:05,351 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 12:05:05,896 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 12:05:06,379 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 12:05:06,772 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 12:05:07,282 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:05:07,602 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:05:07,851 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:05:08,229 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:05:08,561 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:05:09,185 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:05:09,601 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:05:09,982 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:05:10,391 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:05:10,911 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:05:11,315 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 12:05:11,553 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 12:05:12,341 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:05:12,774 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:05:13,241 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:05:13,640 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:05:14,004 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:05:14,388 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:05:14,982 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:05:15,464 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:05:15,819 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:05:16,197 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:05:16,862 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:05:17,283 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 12:05:18,218 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 12:05:18,877 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 12:05:19,630 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:05:19,917 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 12:05:20,196 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 12:05:20,691 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:05:21,114 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:05:21,420 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 12:05:21,872 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 12:05:22,340 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:05:22,669 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:05:23,071 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:05:24,011 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:05:24,436 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:05:24,936 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 12:05:25,317 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:05:25,695 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:05:26,135 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:05:27,479 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:05:27,841 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:05:29,368 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-08 12:05:29,623 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-08 12:05:29,863 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 12:05:31,670 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 12:05:32,094 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 12:05:32,429 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:05:32,777 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 12:05:33,057 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 12:05:33,908 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:05:34,384 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:05:37,716 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:05:38,061 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:05:38,338 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 12:05:54,604 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-08 12:05:55,243 WARN L188 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:05:56,136 WARN L188 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 12:05:58,131 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:05:58,579 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:05:59,854 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 12:06:00,509 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:06:01,222 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 12:06:01,669 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:06:02,084 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:06:02,877 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:06:03,945 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:06:04,684 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-08 12:06:05,213 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:06:05,947 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:06:06,435 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:06:06,954 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 12:06:07,525 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:06:08,183 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:06:08,748 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-08 12:06:09,222 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 12:06:09,788 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 12:06:10,408 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:06:11,257 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:06:11,880 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:06:12,312 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 12:06:13,339 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:06:13,856 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-08 12:06:16,378 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-08 12:06:16,792 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:06:17,901 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:06:18,284 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:06:19,210 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-08 12:06:19,635 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-08 12:06:20,681 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 12:06:21,173 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 12:06:21,674 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 12:06:22,174 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:06:22,569 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:06:23,617 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:06:23,939 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:06:24,740 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-09-08 12:06:25,255 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2019-09-08 12:06:26,075 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:06:27,045 WARN L188 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 12:06:27,701 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:06:28,121 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 12:06:28,665 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:06:29,590 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:06:29,876 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:06:30,270 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 12:06:30,711 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 12:06:31,110 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-08 12:06:31,769 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:06:32,751 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:06:33,139 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 12:06:34,000 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:06:34,357 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 12:06:36,848 WARN L188 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 12:06:37,278 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 12:06:38,510 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:06:39,059 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 12:06:40,077 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:06:40,992 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:06:41,368 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:06:41,889 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 12:06:42,465 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 12:06:43,088 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 12:06:43,452 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:06:44,958 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:06:45,268 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:06:45,570 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 12:06:45,984 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:06:46,325 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:06:46,790 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:06:47,057 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 12:06:47,929 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:06:48,358 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:06:49,312 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:06:49,643 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:06:50,115 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 12:06:50,620 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 12:06:51,053 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 12:06:51,691 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 12:06:52,400 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 12:06:52,853 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 12:06:53,320 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:06:53,714 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 12:06:54,119 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:06:55,445 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:06:55,886 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:06:56,191 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 12:06:56,566 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 12:06:56,880 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 12:06:57,223 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 12:06:57,653 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 12:06:57,989 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 12:06:58,561 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:06:59,002 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:06:59,634 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-08 12:07:00,227 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:07:00,983 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:07:01,398 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:07:01,975 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 12:07:02,774 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:07:03,199 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 12:07:03,768 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-08 12:07:04,133 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 12:07:04,551 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:07:04,924 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:07:06,286 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 12:07:06,609 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:07:07,292 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:07:07,829 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:07:08,759 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 12:07:09,375 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-08 12:07:09,982 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 12:07:10,397 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 12:07:11,238 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:07:11,901 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-08 12:07:12,598 WARN L188 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:07:13,816 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:07:14,127 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:07:14,401 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 12:07:14,829 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 12:07:15,390 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:07:15,715 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 12:07:16,130 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:07:16,667 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:07:16,967 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 12:07:18,102 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-08 12:07:18,496 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:07:19,533 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 12:07:19,933 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 12:07:20,349 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:07:21,136 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 12:07:21,710 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-08 12:07:22,929 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-08 12:07:23,403 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 12:07:23,858 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 12:07:25,464 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 12:07:25,997 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:07:26,381 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 12:07:26,758 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 12:07:27,212 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 12:07:28,790 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-09-08 12:07:31,174 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-08 12:07:31,610 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:07:42,482 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 12:07:42,904 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 12:07:43,842 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 12:07:44,242 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 12:07:46,388 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 12:07:46,677 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 12:07:47,783 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 12:07:48,143 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87