java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:35:09,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:35:09,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:35:09,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 11:35:09,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 11:35:09,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 11:35:09,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 11:35:09,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 11:35:09,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 11:35:09,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 11:35:09,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 11:35:09,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 11:35:09,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:35:09,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:35:09,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:35:09,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:35:09,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:35:09,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:35:09,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:35:09,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:35:09,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:35:09,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:35:09,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:35:09,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:35:09,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 11:35:09,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 11:35:09,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 11:35:09,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 11:35:09,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 11:35:09,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 11:35:09,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:35:09,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:35:09,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:35:09,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:35:09,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:35:09,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:35:09,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:35:09,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:35:09,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:35:09,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:35:09,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:35:09,679 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 11:35:09,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:35:09,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:35:09,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:35:09,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:35:09,694 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:35:09,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:35:09,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:35:09,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:35:09,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:35:09,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:35:09,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:35:09,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:35:09,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:35:09,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:35:09,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:35:09,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:35:09,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:35:09,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:35:09,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:35:09,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:35:09,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:35:09,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:35:09,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:35:09,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:35:09,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:35:09,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:35:09,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:35:09,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:35:09,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:35:09,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:35:09,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:35:09,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:35:09,746 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:35:09,746 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:35:09,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-09-08 11:35:09,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ef880cf/ab78c47e15e1454684ee9cd7f4592205/FLAG135e20875 [2019-09-08 11:35:10,277 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:35:10,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-09-08 11:35:10,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ef880cf/ab78c47e15e1454684ee9cd7f4592205/FLAG135e20875 [2019-09-08 11:35:10,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ef880cf/ab78c47e15e1454684ee9cd7f4592205 [2019-09-08 11:35:10,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:35:10,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:35:10,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:35:10,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:35:10,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:35:10,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:35:10" (1/1) ... [2019-09-08 11:35:10,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e83ef61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:10, skipping insertion in model container [2019-09-08 11:35:10,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:35:10" (1/1) ... [2019-09-08 11:35:10,655 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:35:10,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:35:11,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:35:11,164 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:35:11,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:35:11,317 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:35:11,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11 WrapperNode [2019-09-08 11:35:11,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:35:11,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:35:11,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:35:11,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:35:11,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (1/1) ... [2019-09-08 11:35:11,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (1/1) ... [2019-09-08 11:35:11,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (1/1) ... [2019-09-08 11:35:11,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (1/1) ... [2019-09-08 11:35:11,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (1/1) ... [2019-09-08 11:35:11,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (1/1) ... [2019-09-08 11:35:11,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (1/1) ... [2019-09-08 11:35:11,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:35:11,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:35:11,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:35:11,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:35:11,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (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 11:35:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:35:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:35:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:35:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:35:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:35:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:35:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:35:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:35:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:35:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:35:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:35:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:35:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:35:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:35:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:35:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:35:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:35:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:35:12,782 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:35:12,782 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:35:12,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:35:12 BoogieIcfgContainer [2019-09-08 11:35:12,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:35:12,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:35:12,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:35:12,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:35:12,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:35:10" (1/3) ... [2019-09-08 11:35:12,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2fb79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:35:12, skipping insertion in model container [2019-09-08 11:35:12,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:35:11" (2/3) ... [2019-09-08 11:35:12,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2fb79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:35:12, skipping insertion in model container [2019-09-08 11:35:12,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:35:12" (3/3) ... [2019-09-08 11:35:12,792 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-09-08 11:35:12,801 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:35:12,810 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-09-08 11:35:12,826 INFO L252 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-09-08 11:35:12,858 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:35:12,859 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:35:12,859 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:35:12,860 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:35:12,860 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:35:12,860 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:35:12,860 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:35:12,861 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:35:12,861 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:35:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2019-09-08 11:35:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 11:35:12,915 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:12,916 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] [2019-09-08 11:35:12,919 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:12,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:12,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1048414333, now seen corresponding path program 1 times [2019-09-08 11:35:12,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:12,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:12,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:12,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:12,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:13,326 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 11:35:13,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:13,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:35:13,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:35:13,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:35:13,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:35:13,352 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 5 states. [2019-09-08 11:35:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:13,671 INFO L93 Difference]: Finished difference Result 347 states and 578 transitions. [2019-09-08 11:35:13,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:35:13,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-09-08 11:35:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:13,686 INFO L225 Difference]: With dead ends: 347 [2019-09-08 11:35:13,687 INFO L226 Difference]: Without dead ends: 179 [2019-09-08 11:35:13,693 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 11:35:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-09-08 11:35:13,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2019-09-08 11:35:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-09-08 11:35:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 220 transitions. [2019-09-08 11:35:13,766 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 220 transitions. Word has length 51 [2019-09-08 11:35:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:13,769 INFO L475 AbstractCegarLoop]: Abstraction has 179 states and 220 transitions. [2019-09-08 11:35:13,769 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:35:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 220 transitions. [2019-09-08 11:35:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:35:13,774 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:13,774 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:13,774 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:13,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:13,775 INFO L82 PathProgramCache]: Analyzing trace with hash 314314412, now seen corresponding path program 1 times [2019-09-08 11:35:13,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:13,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:13,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:13,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:13,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:13,901 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 11:35:13,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:13,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:35:13,903 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:35:13,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:35:13,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:35:13,904 INFO L87 Difference]: Start difference. First operand 179 states and 220 transitions. Second operand 5 states. [2019-09-08 11:35:14,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:14,114 INFO L93 Difference]: Finished difference Result 302 states and 381 transitions. [2019-09-08 11:35:14,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:35:14,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:35:14,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:14,117 INFO L225 Difference]: With dead ends: 302 [2019-09-08 11:35:14,117 INFO L226 Difference]: Without dead ends: 169 [2019-09-08 11:35:14,121 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 11:35:14,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-09-08 11:35:14,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2019-09-08 11:35:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-09-08 11:35:14,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 207 transitions. [2019-09-08 11:35:14,145 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 207 transitions. Word has length 52 [2019-09-08 11:35:14,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:14,145 INFO L475 AbstractCegarLoop]: Abstraction has 169 states and 207 transitions. [2019-09-08 11:35:14,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:35:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2019-09-08 11:35:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:35:14,153 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:14,154 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] [2019-09-08 11:35:14,155 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:14,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:14,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1548947995, now seen corresponding path program 1 times [2019-09-08 11:35:14,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:14,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:14,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:14,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:14,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:14,328 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 11:35:14,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:14,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:35:14,330 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:35:14,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:35:14,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:35:14,331 INFO L87 Difference]: Start difference. First operand 169 states and 207 transitions. Second operand 5 states. [2019-09-08 11:35:14,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:14,508 INFO L93 Difference]: Finished difference Result 292 states and 367 transitions. [2019-09-08 11:35:14,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:35:14,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-09-08 11:35:14,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:14,511 INFO L225 Difference]: With dead ends: 292 [2019-09-08 11:35:14,511 INFO L226 Difference]: Without dead ends: 161 [2019-09-08 11:35:14,514 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 11:35:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-09-08 11:35:14,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-09-08 11:35:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-09-08 11:35:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 197 transitions. [2019-09-08 11:35:14,535 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 197 transitions. Word has length 53 [2019-09-08 11:35:14,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:14,536 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 197 transitions. [2019-09-08 11:35:14,536 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:35:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 197 transitions. [2019-09-08 11:35:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:35:14,539 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:14,540 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:14,540 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:14,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:14,540 INFO L82 PathProgramCache]: Analyzing trace with hash -911204178, now seen corresponding path program 1 times [2019-09-08 11:35:14,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:14,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:14,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:14,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:14,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:14,754 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 11:35:14,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:14,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:35:14,755 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:35:14,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:35:14,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:35:14,756 INFO L87 Difference]: Start difference. First operand 161 states and 197 transitions. Second operand 9 states. [2019-09-08 11:35:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:15,476 INFO L93 Difference]: Finished difference Result 336 states and 435 transitions. [2019-09-08 11:35:15,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:35:15,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-09-08 11:35:15,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:15,482 INFO L225 Difference]: With dead ends: 336 [2019-09-08 11:35:15,482 INFO L226 Difference]: Without dead ends: 331 [2019-09-08 11:35:15,482 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 11:35:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-09-08 11:35:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 161. [2019-09-08 11:35:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-09-08 11:35:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 196 transitions. [2019-09-08 11:35:15,499 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 196 transitions. Word has length 54 [2019-09-08 11:35:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:15,499 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 196 transitions. [2019-09-08 11:35:15,500 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:35:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 196 transitions. [2019-09-08 11:35:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:35:15,501 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:15,501 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:15,501 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:15,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1468636978, now seen corresponding path program 1 times [2019-09-08 11:35:15,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:15,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:15,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:15,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:15,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:15,639 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 11:35:15,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:15,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:35:15,640 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:35:15,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:35:15,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:35:15,641 INFO L87 Difference]: Start difference. First operand 161 states and 196 transitions. Second operand 9 states. [2019-09-08 11:35:16,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:16,314 INFO L93 Difference]: Finished difference Result 395 states and 518 transitions. [2019-09-08 11:35:16,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:35:16,314 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2019-09-08 11:35:16,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:16,317 INFO L225 Difference]: With dead ends: 395 [2019-09-08 11:35:16,317 INFO L226 Difference]: Without dead ends: 335 [2019-09-08 11:35:16,318 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 11:35:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-09-08 11:35:16,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 161. [2019-09-08 11:35:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-09-08 11:35:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 195 transitions. [2019-09-08 11:35:16,333 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 195 transitions. Word has length 54 [2019-09-08 11:35:16,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:16,333 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 195 transitions. [2019-09-08 11:35:16,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:35:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2019-09-08 11:35:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 11:35:16,334 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:16,335 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:16,335 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:16,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:16,335 INFO L82 PathProgramCache]: Analyzing trace with hash 52430183, now seen corresponding path program 1 times [2019-09-08 11:35:16,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:16,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:16,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:16,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:16,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:16,470 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 11:35:16,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:16,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 11:35:16,472 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 11:35:16,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 11:35:16,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:35:16,473 INFO L87 Difference]: Start difference. First operand 161 states and 195 transitions. Second operand 8 states. [2019-09-08 11:35:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:16,830 INFO L93 Difference]: Finished difference Result 316 states and 393 transitions. [2019-09-08 11:35:16,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 11:35:16,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-09-08 11:35:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:16,833 INFO L225 Difference]: With dead ends: 316 [2019-09-08 11:35:16,833 INFO L226 Difference]: Without dead ends: 233 [2019-09-08 11:35:16,836 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:35:16,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-09-08 11:35:16,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 161. [2019-09-08 11:35:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-09-08 11:35:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2019-09-08 11:35:16,851 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 54 [2019-09-08 11:35:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:16,851 INFO L475 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2019-09-08 11:35:16,851 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 11:35:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2019-09-08 11:35:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:35:16,852 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:16,852 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:16,853 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:16,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1510346154, now seen corresponding path program 1 times [2019-09-08 11:35:16,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:16,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:16,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:16,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:16,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:17,696 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 11:35:17,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:17,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:35:17,697 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:35:17,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:35:17,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:35:17,698 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand 16 states. [2019-09-08 11:35:18,261 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-08 11:35:19,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:19,239 INFO L93 Difference]: Finished difference Result 290 states and 348 transitions. [2019-09-08 11:35:19,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:35:19,240 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 56 [2019-09-08 11:35:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:19,242 INFO L225 Difference]: With dead ends: 290 [2019-09-08 11:35:19,243 INFO L226 Difference]: Without dead ends: 286 [2019-09-08 11:35:19,244 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2019-09-08 11:35:19,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-09-08 11:35:19,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 171. [2019-09-08 11:35:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-09-08 11:35:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 209 transitions. [2019-09-08 11:35:19,259 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 209 transitions. Word has length 56 [2019-09-08 11:35:19,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:19,261 INFO L475 AbstractCegarLoop]: Abstraction has 171 states and 209 transitions. [2019-09-08 11:35:19,261 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:35:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 209 transitions. [2019-09-08 11:35:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:35:19,265 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:19,266 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:19,267 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:19,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:19,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1148696630, now seen corresponding path program 1 times [2019-09-08 11:35:19,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:19,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:19,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:19,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:19,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:19,934 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 11:35:19,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:19,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-08 11:35:19,934 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:35:19,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:35:19,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:35:19,935 INFO L87 Difference]: Start difference. First operand 171 states and 209 transitions. Second operand 15 states. [2019-09-08 11:35:20,635 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-08 11:35:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:21,497 INFO L93 Difference]: Finished difference Result 396 states and 516 transitions. [2019-09-08 11:35:21,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:35:21,497 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2019-09-08 11:35:21,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:21,500 INFO L225 Difference]: With dead ends: 396 [2019-09-08 11:35:21,500 INFO L226 Difference]: Without dead ends: 324 [2019-09-08 11:35:21,501 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:35:21,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-09-08 11:35:21,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 160. [2019-09-08 11:35:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-08 11:35:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 195 transitions. [2019-09-08 11:35:21,520 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 195 transitions. Word has length 56 [2019-09-08 11:35:21,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:21,521 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 195 transitions. [2019-09-08 11:35:21,521 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:35:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 195 transitions. [2019-09-08 11:35:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:35:21,522 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:21,522 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:21,523 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:21,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash 129284665, now seen corresponding path program 1 times [2019-09-08 11:35:21,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:21,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:21,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:21,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:21,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:21,698 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 11:35:21,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:21,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:35:21,699 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:35:21,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:35:21,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:35:21,701 INFO L87 Difference]: Start difference. First operand 160 states and 195 transitions. Second operand 9 states. [2019-09-08 11:35:22,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:22,661 INFO L93 Difference]: Finished difference Result 381 states and 499 transitions. [2019-09-08 11:35:22,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:35:22,661 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2019-09-08 11:35:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:22,663 INFO L225 Difference]: With dead ends: 381 [2019-09-08 11:35:22,664 INFO L226 Difference]: Without dead ends: 320 [2019-09-08 11:35:22,664 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 11:35:22,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-09-08 11:35:22,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 160. [2019-09-08 11:35:22,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-08 11:35:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 193 transitions. [2019-09-08 11:35:22,682 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 193 transitions. Word has length 57 [2019-09-08 11:35:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:22,682 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 193 transitions. [2019-09-08 11:35:22,682 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:35:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 193 transitions. [2019-09-08 11:35:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:35:22,683 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:22,683 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:22,683 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:22,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:22,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1929422544, now seen corresponding path program 1 times [2019-09-08 11:35:22,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:22,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:22,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:22,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:22,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:22,814 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 11:35:22,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:22,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:35:22,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:35:22,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:35:22,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:35:22,816 INFO L87 Difference]: Start difference. First operand 160 states and 193 transitions. Second operand 9 states. [2019-09-08 11:35:23,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:23,247 INFO L93 Difference]: Finished difference Result 231 states and 285 transitions. [2019-09-08 11:35:23,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:35:23,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2019-09-08 11:35:23,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:23,249 INFO L225 Difference]: With dead ends: 231 [2019-09-08 11:35:23,249 INFO L226 Difference]: Without dead ends: 224 [2019-09-08 11:35:23,250 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:35:23,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-09-08 11:35:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 160. [2019-09-08 11:35:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-09-08 11:35:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2019-09-08 11:35:23,267 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 57 [2019-09-08 11:35:23,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:23,267 INFO L475 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2019-09-08 11:35:23,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:35:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2019-09-08 11:35:23,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:35:23,268 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:23,268 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:23,269 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:23,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:23,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1236153109, now seen corresponding path program 1 times [2019-09-08 11:35:23,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:23,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:23,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:23,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:23,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:23,972 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 11:35:23,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:23,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-08 11:35:23,973 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:35:23,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:35:23,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:35:23,973 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 15 states. [2019-09-08 11:35:24,469 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2019-09-08 11:35:24,747 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-08 11:35:24,924 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-08 11:35:25,249 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-08 11:35:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:25,878 INFO L93 Difference]: Finished difference Result 436 states and 569 transitions. [2019-09-08 11:35:25,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:35:25,879 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2019-09-08 11:35:25,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:25,881 INFO L225 Difference]: With dead ends: 436 [2019-09-08 11:35:25,882 INFO L226 Difference]: Without dead ends: 420 [2019-09-08 11:35:25,909 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2019-09-08 11:35:25,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-09-08 11:35:25,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 152. [2019-09-08 11:35:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-09-08 11:35:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2019-09-08 11:35:25,927 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 57 [2019-09-08 11:35:25,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:25,928 INFO L475 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2019-09-08 11:35:25,928 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:35:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2019-09-08 11:35:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:35:25,929 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:25,929 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:25,929 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:25,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:25,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1017147876, now seen corresponding path program 1 times [2019-09-08 11:35:25,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:25,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:25,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:25,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:25,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:26,537 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 11:35:26,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:26,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:35:26,538 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:35:26,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:35:26,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:35:26,538 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 16 states. [2019-09-08 11:35:27,148 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-08 11:35:27,549 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-09-08 11:35:28,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:28,338 INFO L93 Difference]: Finished difference Result 265 states and 335 transitions. [2019-09-08 11:35:28,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 11:35:28,338 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2019-09-08 11:35:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:28,340 INFO L225 Difference]: With dead ends: 265 [2019-09-08 11:35:28,340 INFO L226 Difference]: Without dead ends: 218 [2019-09-08 11:35:28,341 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 11:35:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-09-08 11:35:28,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 148. [2019-09-08 11:35:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-09-08 11:35:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2019-09-08 11:35:28,361 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 57 [2019-09-08 11:35:28,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:28,362 INFO L475 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2019-09-08 11:35:28,362 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:35:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2019-09-08 11:35:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 11:35:28,362 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:28,363 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:28,363 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:28,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:28,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1774022695, now seen corresponding path program 1 times [2019-09-08 11:35:28,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:28,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:28,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:28,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:28,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:28,559 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 11:35:28,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:28,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:35:28,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:35:28,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:35:28,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:35:28,560 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 10 states. [2019-09-08 11:35:29,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:29,454 INFO L93 Difference]: Finished difference Result 261 states and 330 transitions. [2019-09-08 11:35:29,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:35:29,455 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2019-09-08 11:35:29,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:29,457 INFO L225 Difference]: With dead ends: 261 [2019-09-08 11:35:29,457 INFO L226 Difference]: Without dead ends: 254 [2019-09-08 11:35:29,458 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:35:29,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-09-08 11:35:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 148. [2019-09-08 11:35:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-09-08 11:35:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2019-09-08 11:35:29,477 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 58 [2019-09-08 11:35:29,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:29,477 INFO L475 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2019-09-08 11:35:29,478 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:35:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2019-09-08 11:35:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:35:29,478 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:29,479 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:29,479 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:29,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:29,479 INFO L82 PathProgramCache]: Analyzing trace with hash 334190176, now seen corresponding path program 1 times [2019-09-08 11:35:29,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:29,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:29,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:29,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:29,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:29,877 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 11:35:29,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:29,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:35:29,878 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:35:29,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:35:29,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:35:29,878 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand 18 states. [2019-09-08 11:35:30,016 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-08 11:35:31,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:31,663 INFO L93 Difference]: Finished difference Result 442 states and 574 transitions. [2019-09-08 11:35:31,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:35:31,663 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2019-09-08 11:35:31,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:31,669 INFO L225 Difference]: With dead ends: 442 [2019-09-08 11:35:31,669 INFO L226 Difference]: Without dead ends: 436 [2019-09-08 11:35:31,671 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2019-09-08 11:35:31,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-09-08 11:35:31,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 154. [2019-09-08 11:35:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-09-08 11:35:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2019-09-08 11:35:31,695 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 59 [2019-09-08 11:35:31,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:31,695 INFO L475 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2019-09-08 11:35:31,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:35:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2019-09-08 11:35:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:35:31,696 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:31,696 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:31,697 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:31,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:31,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1378981208, now seen corresponding path program 1 times [2019-09-08 11:35:31,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:31,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:31,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:31,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:31,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:32,081 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 11:35:32,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:32,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:35:32,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:35:32,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:35:32,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:35:32,083 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 18 states. [2019-09-08 11:35:32,252 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:35:32,691 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-08 11:35:33,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:33,688 INFO L93 Difference]: Finished difference Result 344 states and 435 transitions. [2019-09-08 11:35:33,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:35:33,689 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2019-09-08 11:35:33,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:33,690 INFO L225 Difference]: With dead ends: 344 [2019-09-08 11:35:33,691 INFO L226 Difference]: Without dead ends: 336 [2019-09-08 11:35:33,691 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=230, Invalid=892, Unknown=0, NotChecked=0, Total=1122 [2019-09-08 11:35:33,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-09-08 11:35:33,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 154. [2019-09-08 11:35:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-09-08 11:35:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 182 transitions. [2019-09-08 11:35:33,714 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 182 transitions. Word has length 59 [2019-09-08 11:35:33,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:33,715 INFO L475 AbstractCegarLoop]: Abstraction has 154 states and 182 transitions. [2019-09-08 11:35:33,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:35:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 182 transitions. [2019-09-08 11:35:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:35:33,715 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:33,715 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:33,716 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:33,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:33,716 INFO L82 PathProgramCache]: Analyzing trace with hash 583584810, now seen corresponding path program 1 times [2019-09-08 11:35:33,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:33,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:33,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:33,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:33,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:34,103 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 11:35:34,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:34,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:35:34,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:35:34,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:35:34,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:35:34,104 INFO L87 Difference]: Start difference. First operand 154 states and 182 transitions. Second operand 13 states. [2019-09-08 11:35:35,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:35,439 INFO L93 Difference]: Finished difference Result 414 states and 546 transitions. [2019-09-08 11:35:35,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:35:35,439 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2019-09-08 11:35:35,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:35,441 INFO L225 Difference]: With dead ends: 414 [2019-09-08 11:35:35,441 INFO L226 Difference]: Without dead ends: 402 [2019-09-08 11:35:35,442 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2019-09-08 11:35:35,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-09-08 11:35:35,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 141. [2019-09-08 11:35:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-09-08 11:35:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 169 transitions. [2019-09-08 11:35:35,470 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 169 transitions. Word has length 60 [2019-09-08 11:35:35,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:35,471 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 169 transitions. [2019-09-08 11:35:35,471 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:35:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 169 transitions. [2019-09-08 11:35:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:35:35,472 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:35,472 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:35,472 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:35,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:35,473 INFO L82 PathProgramCache]: Analyzing trace with hash 514928378, now seen corresponding path program 1 times [2019-09-08 11:35:35,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:35,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:35,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:35,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:35,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:36,087 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 11:35:36,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:36,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-09-08 11:35:36,088 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-08 11:35:36,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-08 11:35:36,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2019-09-08 11:35:36,089 INFO L87 Difference]: Start difference. First operand 141 states and 169 transitions. Second operand 17 states. [2019-09-08 11:35:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:38,329 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2019-09-08 11:35:38,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-09-08 11:35:38,329 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 60 [2019-09-08 11:35:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:38,333 INFO L225 Difference]: With dead ends: 459 [2019-09-08 11:35:38,333 INFO L226 Difference]: Without dead ends: 453 [2019-09-08 11:35:38,334 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=214, Invalid=778, Unknown=0, NotChecked=0, Total=992 [2019-09-08 11:35:38,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-09-08 11:35:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 141. [2019-09-08 11:35:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-09-08 11:35:38,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 169 transitions. [2019-09-08 11:35:38,361 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 169 transitions. Word has length 60 [2019-09-08 11:35:38,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:38,361 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 169 transitions. [2019-09-08 11:35:38,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-08 11:35:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 169 transitions. [2019-09-08 11:35:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:35:38,362 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:38,362 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:38,363 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:38,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:38,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1498365057, now seen corresponding path program 1 times [2019-09-08 11:35:38,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:38,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:38,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:38,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:38,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:38,700 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 11:35:38,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:38,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 11:35:38,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 11:35:38,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 11:35:38,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 11:35:38,702 INFO L87 Difference]: Start difference. First operand 141 states and 169 transitions. Second operand 12 states. [2019-09-08 11:35:39,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:39,644 INFO L93 Difference]: Finished difference Result 297 states and 387 transitions. [2019-09-08 11:35:39,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 11:35:39,644 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2019-09-08 11:35:39,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:39,646 INFO L225 Difference]: With dead ends: 297 [2019-09-08 11:35:39,646 INFO L226 Difference]: Without dead ends: 291 [2019-09-08 11:35:39,646 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:35:39,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-09-08 11:35:39,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 124. [2019-09-08 11:35:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-08 11:35:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2019-09-08 11:35:39,668 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 60 [2019-09-08 11:35:39,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:39,669 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2019-09-08 11:35:39,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 11:35:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2019-09-08 11:35:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:35:39,669 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:39,670 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] [2019-09-08 11:35:39,670 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:39,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:39,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1413076030, now seen corresponding path program 1 times [2019-09-08 11:35:39,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:39,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:39,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:39,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:39,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:40,522 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 11:35:40,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:40,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:35:40,523 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:35:40,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:35:40,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:35:40,524 INFO L87 Difference]: Start difference. First operand 124 states and 149 transitions. Second operand 18 states. [2019-09-08 11:35:41,168 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-08 11:35:41,315 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:35:41,464 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:35:41,619 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-08 11:35:41,788 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-08 11:35:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:43,024 INFO L93 Difference]: Finished difference Result 350 states and 459 transitions. [2019-09-08 11:35:43,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 11:35:43,025 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 60 [2019-09-08 11:35:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:43,026 INFO L225 Difference]: With dead ends: 350 [2019-09-08 11:35:43,027 INFO L226 Difference]: Without dead ends: 342 [2019-09-08 11:35:43,027 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2019-09-08 11:35:43,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-09-08 11:35:43,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 124. [2019-09-08 11:35:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-08 11:35:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 148 transitions. [2019-09-08 11:35:43,048 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 148 transitions. Word has length 60 [2019-09-08 11:35:43,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:43,049 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 148 transitions. [2019-09-08 11:35:43,049 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:35:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2019-09-08 11:35:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 11:35:43,050 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:43,050 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:43,050 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:43,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:43,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1314143621, now seen corresponding path program 1 times [2019-09-08 11:35:43,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:43,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:43,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:43,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:43,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:43,520 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 11:35:43,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:43,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 11:35:43,521 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 11:35:43,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 11:35:43,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-09-08 11:35:43,522 INFO L87 Difference]: Start difference. First operand 124 states and 148 transitions. Second operand 11 states. [2019-09-08 11:35:44,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:44,474 INFO L93 Difference]: Finished difference Result 458 states and 625 transitions. [2019-09-08 11:35:44,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:35:44,475 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2019-09-08 11:35:44,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:44,478 INFO L225 Difference]: With dead ends: 458 [2019-09-08 11:35:44,478 INFO L226 Difference]: Without dead ends: 440 [2019-09-08 11:35:44,478 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2019-09-08 11:35:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-09-08 11:35:44,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 106. [2019-09-08 11:35:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-09-08 11:35:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 130 transitions. [2019-09-08 11:35:44,506 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 130 transitions. Word has length 61 [2019-09-08 11:35:44,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:44,506 INFO L475 AbstractCegarLoop]: Abstraction has 106 states and 130 transitions. [2019-09-08 11:35:44,506 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 11:35:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 130 transitions. [2019-09-08 11:35:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-08 11:35:44,507 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:44,507 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] [2019-09-08 11:35:44,508 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:44,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:44,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1247665849, now seen corresponding path program 1 times [2019-09-08 11:35:44,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:44,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:44,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:44,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:44,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:44,562 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 11:35:44,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:44,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:35:44,563 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:35:44,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:35:44,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:35:44,564 INFO L87 Difference]: Start difference. First operand 106 states and 130 transitions. Second operand 3 states. [2019-09-08 11:35:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:44,626 INFO L93 Difference]: Finished difference Result 188 states and 248 transitions. [2019-09-08 11:35:44,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:35:44,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-09-08 11:35:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:44,628 INFO L225 Difference]: With dead ends: 188 [2019-09-08 11:35:44,628 INFO L226 Difference]: Without dead ends: 145 [2019-09-08 11:35:44,628 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 11:35:44,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-09-08 11:35:44,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2019-09-08 11:35:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-08 11:35:44,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 183 transitions. [2019-09-08 11:35:44,670 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 183 transitions. Word has length 77 [2019-09-08 11:35:44,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:44,671 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 183 transitions. [2019-09-08 11:35:44,671 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:35:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 183 transitions. [2019-09-08 11:35:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:35:44,672 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:44,672 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:44,672 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:44,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:44,672 INFO L82 PathProgramCache]: Analyzing trace with hash -574990682, now seen corresponding path program 1 times [2019-09-08 11:35:44,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:44,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:44,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:44,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:44,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:44,749 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 11:35:44,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:44,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:35:44,750 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:35:44,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:35:44,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:35:44,751 INFO L87 Difference]: Start difference. First operand 143 states and 183 transitions. Second operand 7 states. [2019-09-08 11:35:45,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:45,104 INFO L93 Difference]: Finished difference Result 391 states and 535 transitions. [2019-09-08 11:35:45,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:35:45,106 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-09-08 11:35:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:45,107 INFO L225 Difference]: With dead ends: 391 [2019-09-08 11:35:45,107 INFO L226 Difference]: Without dead ends: 311 [2019-09-08 11:35:45,108 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:35:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-09-08 11:35:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 171. [2019-09-08 11:35:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-09-08 11:35:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 222 transitions. [2019-09-08 11:35:45,161 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 222 transitions. Word has length 79 [2019-09-08 11:35:45,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:45,161 INFO L475 AbstractCegarLoop]: Abstraction has 171 states and 222 transitions. [2019-09-08 11:35:45,161 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:35:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 222 transitions. [2019-09-08 11:35:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:35:45,162 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:45,162 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:45,162 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:45,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1123393510, now seen corresponding path program 1 times [2019-09-08 11:35:45,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:45,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:45,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:45,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:45,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:45,241 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 11:35:45,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:45,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:35:45,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:35:45,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:35:45,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:35:45,246 INFO L87 Difference]: Start difference. First operand 171 states and 222 transitions. Second operand 7 states. [2019-09-08 11:35:45,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:45,655 INFO L93 Difference]: Finished difference Result 559 states and 768 transitions. [2019-09-08 11:35:45,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:35:45,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-09-08 11:35:45,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:45,657 INFO L225 Difference]: With dead ends: 559 [2019-09-08 11:35:45,657 INFO L226 Difference]: Without dead ends: 451 [2019-09-08 11:35:45,657 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:35:45,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-09-08 11:35:45,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 297. [2019-09-08 11:35:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-09-08 11:35:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 404 transitions. [2019-09-08 11:35:45,746 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 404 transitions. Word has length 79 [2019-09-08 11:35:45,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:45,746 INFO L475 AbstractCegarLoop]: Abstraction has 297 states and 404 transitions. [2019-09-08 11:35:45,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:35:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 404 transitions. [2019-09-08 11:35:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:35:45,747 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:45,747 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:45,747 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:45,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:45,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1884477720, now seen corresponding path program 1 times [2019-09-08 11:35:45,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:45,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:45,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:45,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:45,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:45,795 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 11:35:45,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:45,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:35:45,796 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:35:45,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:35:45,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:35:45,796 INFO L87 Difference]: Start difference. First operand 297 states and 404 transitions. Second operand 3 states. [2019-09-08 11:35:46,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:46,045 INFO L93 Difference]: Finished difference Result 729 states and 1018 transitions. [2019-09-08 11:35:46,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:35:46,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-08 11:35:46,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:46,048 INFO L225 Difference]: With dead ends: 729 [2019-09-08 11:35:46,048 INFO L226 Difference]: Without dead ends: 495 [2019-09-08 11:35:46,049 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 11:35:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-09-08 11:35:46,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 493. [2019-09-08 11:35:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-09-08 11:35:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 672 transitions. [2019-09-08 11:35:46,213 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 672 transitions. Word has length 79 [2019-09-08 11:35:46,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:46,213 INFO L475 AbstractCegarLoop]: Abstraction has 493 states and 672 transitions. [2019-09-08 11:35:46,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:35:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 672 transitions. [2019-09-08 11:35:46,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:35:46,214 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:46,214 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:46,214 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:46,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:46,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1144737399, now seen corresponding path program 1 times [2019-09-08 11:35:46,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:46,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:46,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:46,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:46,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:46,260 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 11:35:46,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:46,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:35:46,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:35:46,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:35:46,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:35:46,262 INFO L87 Difference]: Start difference. First operand 493 states and 672 transitions. Second operand 3 states. [2019-09-08 11:35:46,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:46,530 INFO L93 Difference]: Finished difference Result 1147 states and 1588 transitions. [2019-09-08 11:35:46,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:35:46,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-08 11:35:46,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:46,534 INFO L225 Difference]: With dead ends: 1147 [2019-09-08 11:35:46,534 INFO L226 Difference]: Without dead ends: 717 [2019-09-08 11:35:46,535 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 11:35:46,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-09-08 11:35:46,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 715. [2019-09-08 11:35:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2019-09-08 11:35:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 974 transitions. [2019-09-08 11:35:46,746 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 974 transitions. Word has length 79 [2019-09-08 11:35:46,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:46,746 INFO L475 AbstractCegarLoop]: Abstraction has 715 states and 974 transitions. [2019-09-08 11:35:46,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:35:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 974 transitions. [2019-09-08 11:35:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:35:46,747 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:46,747 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:46,747 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:46,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:46,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1854658784, now seen corresponding path program 1 times [2019-09-08 11:35:46,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:46,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:46,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:46,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:46,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:46,821 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 11:35:46,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:46,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:35:46,822 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:35:46,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:35:46,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:35:46,823 INFO L87 Difference]: Start difference. First operand 715 states and 974 transitions. Second operand 7 states. [2019-09-08 11:35:47,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:47,655 INFO L93 Difference]: Finished difference Result 2573 states and 3558 transitions. [2019-09-08 11:35:47,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:35:47,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-09-08 11:35:47,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:47,662 INFO L225 Difference]: With dead ends: 2573 [2019-09-08 11:35:47,662 INFO L226 Difference]: Without dead ends: 1921 [2019-09-08 11:35:47,664 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:35:47,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2019-09-08 11:35:48,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1227. [2019-09-08 11:35:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2019-09-08 11:35:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1688 transitions. [2019-09-08 11:35:48,025 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1688 transitions. Word has length 79 [2019-09-08 11:35:48,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:48,026 INFO L475 AbstractCegarLoop]: Abstraction has 1227 states and 1688 transitions. [2019-09-08 11:35:48,026 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:35:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1688 transitions. [2019-09-08 11:35:48,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-08 11:35:48,026 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:48,026 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] [2019-09-08 11:35:48,027 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:48,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:48,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2127178523, now seen corresponding path program 1 times [2019-09-08 11:35:48,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:48,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:48,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:48,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:48,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:48,080 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 11:35:48,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:48,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:35:48,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:35:48,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:35:48,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:35:48,081 INFO L87 Difference]: Start difference. First operand 1227 states and 1688 transitions. Second operand 3 states. [2019-09-08 11:35:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:48,596 INFO L93 Difference]: Finished difference Result 2321 states and 3202 transitions. [2019-09-08 11:35:48,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:35:48,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-09-08 11:35:48,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:48,601 INFO L225 Difference]: With dead ends: 2321 [2019-09-08 11:35:48,601 INFO L226 Difference]: Without dead ends: 1157 [2019-09-08 11:35:48,604 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 11:35:48,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2019-09-08 11:35:48,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1055. [2019-09-08 11:35:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2019-09-08 11:35:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1438 transitions. [2019-09-08 11:35:48,931 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1438 transitions. Word has length 80 [2019-09-08 11:35:48,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:48,931 INFO L475 AbstractCegarLoop]: Abstraction has 1055 states and 1438 transitions. [2019-09-08 11:35:48,931 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:35:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1438 transitions. [2019-09-08 11:35:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:35:48,932 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:48,932 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:48,932 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:48,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:48,933 INFO L82 PathProgramCache]: Analyzing trace with hash -30044759, now seen corresponding path program 1 times [2019-09-08 11:35:48,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:48,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:48,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:48,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:48,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:48,974 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 11:35:48,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:48,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:35:48,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:35:48,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:35:48,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:35:48,975 INFO L87 Difference]: Start difference. First operand 1055 states and 1438 transitions. Second operand 3 states. [2019-09-08 11:35:49,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:49,328 INFO L93 Difference]: Finished difference Result 2147 states and 2950 transitions. [2019-09-08 11:35:49,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:35:49,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-08 11:35:49,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:49,333 INFO L225 Difference]: With dead ends: 2147 [2019-09-08 11:35:49,333 INFO L226 Difference]: Without dead ends: 1155 [2019-09-08 11:35:49,334 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 11:35:49,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2019-09-08 11:35:49,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1153. [2019-09-08 11:35:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2019-09-08 11:35:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1564 transitions. [2019-09-08 11:35:49,674 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1564 transitions. Word has length 81 [2019-09-08 11:35:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:49,674 INFO L475 AbstractCegarLoop]: Abstraction has 1153 states and 1564 transitions. [2019-09-08 11:35:49,674 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:35:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1564 transitions. [2019-09-08 11:35:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:35:49,675 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:49,675 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:49,675 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:49,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:49,676 INFO L82 PathProgramCache]: Analyzing trace with hash 951455397, now seen corresponding path program 1 times [2019-09-08 11:35:49,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:49,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:49,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:49,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:49,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:49,754 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 11:35:49,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:49,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:35:49,755 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:35:49,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:35:49,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:35:49,755 INFO L87 Difference]: Start difference. First operand 1153 states and 1564 transitions. Second operand 6 states. [2019-09-08 11:35:50,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:50,430 INFO L93 Difference]: Finished difference Result 1688 states and 2275 transitions. [2019-09-08 11:35:50,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:35:50,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 81 [2019-09-08 11:35:50,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:50,438 INFO L225 Difference]: With dead ends: 1688 [2019-09-08 11:35:50,438 INFO L226 Difference]: Without dead ends: 1686 [2019-09-08 11:35:50,439 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 11:35:50,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2019-09-08 11:35:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1171. [2019-09-08 11:35:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1171 states. [2019-09-08 11:35:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1576 transitions. [2019-09-08 11:35:50,939 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1576 transitions. Word has length 81 [2019-09-08 11:35:50,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:50,939 INFO L475 AbstractCegarLoop]: Abstraction has 1171 states and 1576 transitions. [2019-09-08 11:35:50,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:35:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1576 transitions. [2019-09-08 11:35:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-08 11:35:50,941 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:50,941 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] [2019-09-08 11:35:50,941 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:50,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:50,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1615042876, now seen corresponding path program 1 times [2019-09-08 11:35:50,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:50,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:50,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:50,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:50,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 11:35:51,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:51,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:35:51,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:35:51,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:35:51,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:35:51,027 INFO L87 Difference]: Start difference. First operand 1171 states and 1576 transitions. Second operand 5 states. [2019-09-08 11:35:52,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:52,094 INFO L93 Difference]: Finished difference Result 4526 states and 6111 transitions. [2019-09-08 11:35:52,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:35:52,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2019-09-08 11:35:52,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:52,104 INFO L225 Difference]: With dead ends: 4526 [2019-09-08 11:35:52,104 INFO L226 Difference]: Without dead ends: 3418 [2019-09-08 11:35:52,106 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:35:52,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3418 states. [2019-09-08 11:35:52,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3418 to 1891. [2019-09-08 11:35:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2019-09-08 11:35:52,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2538 transitions. [2019-09-08 11:35:52,725 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2538 transitions. Word has length 102 [2019-09-08 11:35:52,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:52,725 INFO L475 AbstractCegarLoop]: Abstraction has 1891 states and 2538 transitions. [2019-09-08 11:35:52,726 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:35:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2538 transitions. [2019-09-08 11:35:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 11:35:52,727 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:52,727 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] [2019-09-08 11:35:52,727 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:52,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:52,728 INFO L82 PathProgramCache]: Analyzing trace with hash 965337079, now seen corresponding path program 1 times [2019-09-08 11:35:52,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:52,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:52,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:52,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:52,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-08 11:35:52,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:52,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:35:52,805 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:35:52,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:35:52,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:35:52,806 INFO L87 Difference]: Start difference. First operand 1891 states and 2538 transitions. Second operand 3 states. [2019-09-08 11:35:53,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:53,451 INFO L93 Difference]: Finished difference Result 3550 states and 4750 transitions. [2019-09-08 11:35:53,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:35:53,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-08 11:35:53,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:53,457 INFO L225 Difference]: With dead ends: 3550 [2019-09-08 11:35:53,457 INFO L226 Difference]: Without dead ends: 1722 [2019-09-08 11:35:53,459 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 11:35:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2019-09-08 11:35:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1666. [2019-09-08 11:35:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1666 states. [2019-09-08 11:35:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2190 transitions. [2019-09-08 11:35:53,985 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2190 transitions. Word has length 103 [2019-09-08 11:35:53,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:53,985 INFO L475 AbstractCegarLoop]: Abstraction has 1666 states and 2190 transitions. [2019-09-08 11:35:53,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:35:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2190 transitions. [2019-09-08 11:35:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 11:35:53,986 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:53,986 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] [2019-09-08 11:35:53,986 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:53,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:53,987 INFO L82 PathProgramCache]: Analyzing trace with hash 856377447, now seen corresponding path program 1 times [2019-09-08 11:35:53,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:53,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:53,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:53,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:53,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:54,070 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 11:35:54,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:54,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:35:54,071 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:35:54,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:35:54,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:35:54,071 INFO L87 Difference]: Start difference. First operand 1666 states and 2190 transitions. Second operand 5 states. [2019-09-08 11:35:55,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:55,279 INFO L93 Difference]: Finished difference Result 4573 states and 6035 transitions. [2019-09-08 11:35:55,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:35:55,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-09-08 11:35:55,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:55,290 INFO L225 Difference]: With dead ends: 4573 [2019-09-08 11:35:55,290 INFO L226 Difference]: Without dead ends: 3600 [2019-09-08 11:35:55,292 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:35:55,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2019-09-08 11:35:56,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 2605. [2019-09-08 11:35:56,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2019-09-08 11:35:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3411 transitions. [2019-09-08 11:35:56,110 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3411 transitions. Word has length 103 [2019-09-08 11:35:56,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:56,110 INFO L475 AbstractCegarLoop]: Abstraction has 2605 states and 3411 transitions. [2019-09-08 11:35:56,111 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:35:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3411 transitions. [2019-09-08 11:35:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-08 11:35:56,112 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:56,112 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 11:35:56,113 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:56,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:56,113 INFO L82 PathProgramCache]: Analyzing trace with hash -924431250, now seen corresponding path program 1 times [2019-09-08 11:35:56,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:56,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:56,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:56,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:56,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:35:56,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:56,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:35:56,169 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:35:56,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:35:56,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:35:56,169 INFO L87 Difference]: Start difference. First operand 2605 states and 3411 transitions. Second operand 3 states. [2019-09-08 11:35:57,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:35:57,538 INFO L93 Difference]: Finished difference Result 6510 states and 8521 transitions. [2019-09-08 11:35:57,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:35:57,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-09-08 11:35:57,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:35:57,558 INFO L225 Difference]: With dead ends: 6510 [2019-09-08 11:35:57,558 INFO L226 Difference]: Without dead ends: 3968 [2019-09-08 11:35:57,563 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 11:35:57,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2019-09-08 11:35:58,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3616. [2019-09-08 11:35:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3616 states. [2019-09-08 11:35:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 4676 transitions. [2019-09-08 11:35:58,728 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 4676 transitions. Word has length 104 [2019-09-08 11:35:58,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:35:58,728 INFO L475 AbstractCegarLoop]: Abstraction has 3616 states and 4676 transitions. [2019-09-08 11:35:58,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:35:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 4676 transitions. [2019-09-08 11:35:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-08 11:35:58,731 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:35:58,731 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:35:58,731 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:35:58,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:35:58,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1380496519, now seen corresponding path program 1 times [2019-09-08 11:35:58,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:35:58,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:35:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:58,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:35:58,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:35:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:35:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 11:35:58,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:35:58,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:35:58,824 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:35:58,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:35:58,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:35:58,832 INFO L87 Difference]: Start difference. First operand 3616 states and 4676 transitions. Second operand 5 states. [2019-09-08 11:36:00,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:36:00,437 INFO L93 Difference]: Finished difference Result 5903 states and 7664 transitions. [2019-09-08 11:36:00,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:36:00,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2019-09-08 11:36:00,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:36:00,447 INFO L225 Difference]: With dead ends: 5903 [2019-09-08 11:36:00,447 INFO L226 Difference]: Without dead ends: 4557 [2019-09-08 11:36:00,450 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:36:00,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2019-09-08 11:36:01,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 4067. [2019-09-08 11:36:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4067 states. [2019-09-08 11:36:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 5268 transitions. [2019-09-08 11:36:01,811 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 5268 transitions. Word has length 104 [2019-09-08 11:36:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:36:01,811 INFO L475 AbstractCegarLoop]: Abstraction has 4067 states and 5268 transitions. [2019-09-08 11:36:01,812 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:36:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 5268 transitions. [2019-09-08 11:36:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:36:01,813 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:36:01,813 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] [2019-09-08 11:36:01,813 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:36:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:36:01,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1368665944, now seen corresponding path program 1 times [2019-09-08 11:36:01,813 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:36:01,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:36:01,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:01,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:36:01,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:36:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 11:36:01,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:36:01,953 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 11:36:01,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:36:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:36:02,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 11:36:02,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:36:02,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:36:02,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:36:02,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:36:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:36:02,509 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:36:02,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11] total 14 [2019-09-08 11:36:02,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 11:36:02,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 11:36:02,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:36:02,512 INFO L87 Difference]: Start difference. First operand 4067 states and 5268 transitions. Second operand 14 states. [2019-09-08 11:36:18,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:36:18,210 INFO L93 Difference]: Finished difference Result 35055 states and 45576 transitions. [2019-09-08 11:36:18,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2019-09-08 11:36:18,211 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 105 [2019-09-08 11:36:18,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:36:18,270 INFO L225 Difference]: With dead ends: 35055 [2019-09-08 11:36:18,271 INFO L226 Difference]: Without dead ends: 31051 [2019-09-08 11:36:18,286 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1543 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=892, Invalid=3800, Unknown=0, NotChecked=0, Total=4692 [2019-09-08 11:36:18,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31051 states. [2019-09-08 11:36:23,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31051 to 12260. [2019-09-08 11:36:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12260 states. [2019-09-08 11:36:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 15906 transitions. [2019-09-08 11:36:23,216 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 15906 transitions. Word has length 105 [2019-09-08 11:36:23,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:36:23,216 INFO L475 AbstractCegarLoop]: Abstraction has 12260 states and 15906 transitions. [2019-09-08 11:36:23,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 11:36:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 15906 transitions. [2019-09-08 11:36:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:36:23,220 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:36:23,220 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:36:23,220 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:36:23,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:36:23,221 INFO L82 PathProgramCache]: Analyzing trace with hash 75351500, now seen corresponding path program 1 times [2019-09-08 11:36:23,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:36:23,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:36:23,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:23,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:36:23,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:36:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-08 11:36:23,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:36:23,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:36:23,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:36:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:36:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:36:23,369 INFO L87 Difference]: Start difference. First operand 12260 states and 15906 transitions. Second operand 9 states. [2019-09-08 11:36:33,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:36:33,277 INFO L93 Difference]: Finished difference Result 37190 states and 48118 transitions. [2019-09-08 11:36:33,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:36:33,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2019-09-08 11:36:33,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:36:33,324 INFO L225 Difference]: With dead ends: 37190 [2019-09-08 11:36:33,325 INFO L226 Difference]: Without dead ends: 25000 [2019-09-08 11:36:33,346 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:36:33,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25000 states. [2019-09-08 11:36:38,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25000 to 12260. [2019-09-08 11:36:38,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12260 states. [2019-09-08 11:36:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 15904 transitions. [2019-09-08 11:36:38,156 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 15904 transitions. Word has length 106 [2019-09-08 11:36:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:36:38,156 INFO L475 AbstractCegarLoop]: Abstraction has 12260 states and 15904 transitions. [2019-09-08 11:36:38,156 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:36:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 15904 transitions. [2019-09-08 11:36:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-08 11:36:38,159 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:36:38,159 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:36:38,159 INFO L418 AbstractCegarLoop]: === Iteration 37 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:36:38,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:36:38,160 INFO L82 PathProgramCache]: Analyzing trace with hash 94830107, now seen corresponding path program 1 times [2019-09-08 11:36:38,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:36:38,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:36:38,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:38,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:36:38,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:36:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:36:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:36:38,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:36:38,399 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:36:38,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:36:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:36:38,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 20 conjunts are in the unsatisfiable core [2019-09-08 11:36:38,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:36:38,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:36:38,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:36:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:36:39,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:36:39,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2019-09-08 11:36:39,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:36:39,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:36:39,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:36:39,142 INFO L87 Difference]: Start difference. First operand 12260 states and 15904 transitions. Second operand 18 states. [2019-09-08 11:36:39,566 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-08 11:36:40,140 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:36:40,326 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-08 11:36:40,679 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-08 11:36:41,206 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-08 11:36:41,485 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:36:41,740 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:36:42,010 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-08 11:36:42,155 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 11:36:42,575 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-08 11:36:43,001 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:36:43,339 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-08 11:36:43,468 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 11:36:43,791 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:36:43,969 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-09-08 11:36:44,407 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 11:36:44,704 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-08 11:36:45,578 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-08 11:36:46,039 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-08 11:36:46,812 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-08 11:36:48,610 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-08 11:36:48,784 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-08 11:36:48,932 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-08 11:36:49,181 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-08 11:36:49,359 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-08 11:36:49,638 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-09-08 11:36:49,795 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:36:50,015 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-08 11:36:50,268 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-08 11:36:50,869 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-08 11:36:51,058 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-08 11:36:51,496 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-08 11:36:52,089 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-08 11:36:52,407 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-08 11:36:52,636 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-08 11:37:17,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:37:17,508 INFO L93 Difference]: Finished difference Result 76092 states and 97617 transitions. [2019-09-08 11:37:17,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-09-08 11:37:17,508 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 108 [2019-09-08 11:37:17,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:37:17,612 INFO L225 Difference]: With dead ends: 76092 [2019-09-08 11:37:17,613 INFO L226 Difference]: Without dead ends: 63920 [2019-09-08 11:37:17,643 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=924, Invalid=3366, Unknown=0, NotChecked=0, Total=4290 [2019-09-08 11:37:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63920 states. [2019-09-08 11:37:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63920 to 28753. [2019-09-08 11:37:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28753 states. [2019-09-08 11:37:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28753 states to 28753 states and 37197 transitions. [2019-09-08 11:37:29,913 INFO L78 Accepts]: Start accepts. Automaton has 28753 states and 37197 transitions. Word has length 108 [2019-09-08 11:37:29,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:37:29,913 INFO L475 AbstractCegarLoop]: Abstraction has 28753 states and 37197 transitions. [2019-09-08 11:37:29,913 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:37:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 28753 states and 37197 transitions. [2019-09-08 11:37:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-08 11:37:29,917 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:37:29,917 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:37:29,917 INFO L418 AbstractCegarLoop]: === Iteration 38 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:37:29,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:37:29,918 INFO L82 PathProgramCache]: Analyzing trace with hash -636435167, now seen corresponding path program 1 times [2019-09-08 11:37:29,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:37:29,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:37:29,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:29,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:29,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:37:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:37:30,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:37:30,160 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:37:30,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:37:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:37:30,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-08 11:37:30,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:37:30,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:37:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 11:37:30,809 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:37:30,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2019-09-08 11:37:30,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:37:30,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:37:30,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:37:30,811 INFO L87 Difference]: Start difference. First operand 28753 states and 37197 transitions. Second operand 20 states. [2019-09-08 11:37:32,388 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-09-08 11:37:33,901 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-08 11:37:43,882 WARN L188 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-08 11:38:47,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:38:47,771 INFO L93 Difference]: Finished difference Result 178699 states and 228025 transitions. [2019-09-08 11:38:47,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-09-08 11:38:47,772 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 108 [2019-09-08 11:38:47,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:38:47,968 INFO L225 Difference]: With dead ends: 178699 [2019-09-08 11:38:47,969 INFO L226 Difference]: Without dead ends: 150044 [2019-09-08 11:38:48,025 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=929, Invalid=2493, Unknown=0, NotChecked=0, Total=3422 [2019-09-08 11:38:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150044 states. [2019-09-08 11:39:23,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150044 to 70971. [2019-09-08 11:39:23,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70971 states. [2019-09-08 11:39:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70971 states to 70971 states and 91807 transitions. [2019-09-08 11:39:23,386 INFO L78 Accepts]: Start accepts. Automaton has 70971 states and 91807 transitions. Word has length 108 [2019-09-08 11:39:23,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:39:23,387 INFO L475 AbstractCegarLoop]: Abstraction has 70971 states and 91807 transitions. [2019-09-08 11:39:23,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 11:39:23,387 INFO L276 IsEmpty]: Start isEmpty. Operand 70971 states and 91807 transitions. [2019-09-08 11:39:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-08 11:39:23,394 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:39:23,394 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:39:23,394 INFO L418 AbstractCegarLoop]: === Iteration 39 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:39:23,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:39:23,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1305569259, now seen corresponding path program 1 times [2019-09-08 11:39:23,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:39:23,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:39:23,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:23,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:23,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:39:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:39:23,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:39:23,758 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:39:23,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:39:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:39:23,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 11:39:23,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:39:24,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:24,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:39:24,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:39:24,613 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:39:24,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2019-09-08 11:39:24,614 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-08 11:39:24,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-08 11:39:24,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:39:24,614 INFO L87 Difference]: Start difference. First operand 70971 states and 91807 transitions. Second operand 26 states. [2019-09-08 11:39:24,788 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-08 11:39:25,500 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:39:25,700 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:39:26,076 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-08 11:39:26,239 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-08 11:39:26,518 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:39:26,773 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:39:27,236 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:39:27,620 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-08 11:39:27,937 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:39:28,197 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:39:28,438 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:39:28,866 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:39:29,168 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:39:29,627 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:39:30,032 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:39:30,288 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:39:30,529 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:39:30,879 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:39:31,203 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:31,510 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:39:31,884 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:39:32,242 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 11:39:32,549 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:39:33,067 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 11:39:33,522 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:39:33,975 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:34,363 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:39:34,602 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:39:34,877 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:39:35,235 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:39:35,474 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:39:35,865 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:39:36,091 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:39:36,340 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:39:36,713 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:39:36,926 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:39:37,239 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:39:37,448 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:39:38,306 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:39:38,730 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:39:39,126 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:39:39,385 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:39:39,668 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:39:40,167 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:39:40,483 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:39:40,880 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:39:41,203 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:39:41,460 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 11:39:41,860 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:39:42,146 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:39:42,420 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:39:42,707 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:39:43,027 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:39:43,276 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:39:43,658 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:39:43,912 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:44,105 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:39:44,317 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:39:44,794 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:39:45,127 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:39:45,552 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:39:45,866 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:39:46,265 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:39:46,566 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:39:46,857 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:39:47,211 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:39:47,610 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-08 11:39:48,053 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:39:48,479 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 11:39:48,777 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:39:49,073 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:39:49,480 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 11:39:49,914 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-08 11:39:50,130 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:39:50,435 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:39:50,922 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:39:51,306 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:39:51,689 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 11:39:51,914 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:39:52,275 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:39:52,578 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:39:53,073 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:39:53,505 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-08 11:39:53,865 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-08 11:39:54,181 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:39:54,446 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:39:54,757 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:39:55,139 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:39:55,534 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 11:39:55,776 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:39:56,144 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:39:56,431 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-08 11:39:56,712 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:39:58,225 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:39:58,465 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 11:39:58,739 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:39:59,058 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:39:59,418 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:39:59,814 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:40:00,097 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:40:00,460 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:40:00,852 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:40:01,258 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:40:01,609 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:40:01,861 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:40:02,274 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:40:02,543 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:40:02,775 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:40:03,157 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:40:03,510 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:40:03,745 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:40:04,001 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-08 11:40:04,242 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:40:04,453 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:40:04,827 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-08 11:40:05,333 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:40:05,645 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:40:05,992 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:40:06,283 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:40:06,592 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:06,879 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:40:07,149 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:40:07,452 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:40:07,740 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:40:08,195 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:40:08,507 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:40:08,879 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:40:09,073 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:40:09,280 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:40:09,683 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:40:10,024 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:40:10,327 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:40:10,694 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:40:11,041 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 11:40:11,345 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:40:11,587 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:40:11,796 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:40:12,127 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:40:12,502 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:40:12,901 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:40:15,345 WARN L188 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:40:15,822 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:40:16,119 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:40:16,370 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:40:16,715 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:40:17,090 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:17,455 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:40:17,953 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:40:18,312 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:40:18,739 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:40:19,298 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:40:19,804 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:40:20,238 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:40:20,640 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:40:20,887 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:40:21,816 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:40:22,326 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:40:22,639 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:40:22,922 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:40:23,453 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-08 11:40:23,758 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:40:24,350 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 11:40:25,040 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:40:25,328 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:25,713 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:40:26,045 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:40:26,544 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:40:26,935 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:40:27,215 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:40:27,512 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:40:27,772 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:40:28,201 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:40:28,567 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:40:28,830 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:40:29,147 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:40:29,644 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-08 11:40:29,891 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:40:30,176 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:40:30,883 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:40:31,238 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:40:31,607 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:40:31,950 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:40:32,465 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:40:32,996 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:40:33,437 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:40:33,984 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-08 11:40:34,332 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:40:34,808 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:40:35,078 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:40:35,418 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:40:35,671 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:40:36,078 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:40:36,442 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:40:36,713 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:37,186 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:40:37,657 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 11:40:37,997 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:40:38,259 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:40:38,596 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:40:39,344 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:40:39,741 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:40:40,205 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:40:40,475 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:40,884 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:40:41,248 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:40:41,609 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:40:42,128 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:40:42,610 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:40:42,909 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:40:43,235 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:40:43,514 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:40:43,932 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:40:44,335 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:40:44,739 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:40:45,240 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-08 11:40:45,579 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:40:45,884 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:40:46,164 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:40:46,487 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:40:46,741 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:40:47,315 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:40:47,647 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:40:48,032 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:40:48,326 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:40:48,724 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:40:49,038 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:40:49,433 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:40:49,911 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:40:50,270 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:40:50,720 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:40:51,020 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:40:51,295 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:40:51,854 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:40:52,310 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:40:52,565 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-08 11:40:52,805 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:40:53,114 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:40:53,409 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:40:53,805 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:40:54,100 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:40:54,357 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:40:54,993 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:40:55,410 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:40:55,763 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:40:56,122 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:40:56,521 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:40:56,879 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:40:57,187 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:40:57,533 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-08 11:40:57,883 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2019-09-08 11:40:58,307 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:40:58,783 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:40:59,204 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:40:59,593 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:41:00,292 WARN L188 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:41:00,687 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:00,990 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:01,309 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:41:01,642 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:41:02,067 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:41:02,546 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-08 11:41:02,976 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:41:03,335 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-08 11:41:03,959 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-08 11:41:04,289 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:41:04,628 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:41:04,904 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:41:05,187 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:07,552 WARN L188 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:41:07,862 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:08,188 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:08,612 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-08 11:41:08,925 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:41:09,205 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:41:09,603 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:41:09,918 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:41:10,218 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:41:10,655 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:41:10,970 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:41:11,254 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:41:11,551 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:41:11,916 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:41:12,234 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:41:12,536 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:41:13,345 WARN L188 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:13,641 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:41:13,948 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:41:14,394 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:14,795 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:15,231 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:41:15,513 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:15,851 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:41:16,158 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:16,604 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:41:16,921 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:17,452 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:41:17,804 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:41:18,198 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:41:18,523 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:41:18,810 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:19,197 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:41:19,460 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:19,736 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:41:20,052 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:20,300 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:20,635 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:41:20,972 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:41:21,270 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:21,575 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:41:22,369 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:22,749 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:41:23,117 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:23,426 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:41:23,825 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:41:24,171 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:41:24,575 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:41:25,162 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:41:25,730 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-08 11:41:26,076 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:41:26,377 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:26,703 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-08 11:41:27,052 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-08 11:41:27,419 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:41:27,795 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:41:28,217 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:28,599 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:41:29,049 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:41:29,399 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:41:29,717 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:41:30,035 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:41:30,482 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:41:30,862 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-08 11:41:31,240 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 11:41:31,568 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:41:32,068 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:41:32,410 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:41:32,847 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:41:33,155 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:33,458 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:33,776 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:41:34,080 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:41:34,471 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:41:34,756 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:35,077 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:41:35,347 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:41:35,738 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:36,015 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:41:36,405 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:36,869 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:41:37,227 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:41:37,503 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:41:37,928 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:41:38,231 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:38,568 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:41:38,922 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:41:39,287 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:41:39,621 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:41:40,091 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:40,386 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:41:40,658 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:41,195 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:41:41,508 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:41:41,828 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:41:42,132 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:41:42,402 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:42,713 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:41:43,055 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:43,434 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-08 11:41:43,801 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:44,130 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:41:44,529 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:41:44,854 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:41:45,233 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:41:45,739 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:46,160 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:46,517 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:41:46,839 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:47,542 WARN L188 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:41:47,921 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:48,244 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:41:48,659 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:41:49,079 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:41:49,463 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:41:49,724 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:41:50,203 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:41:50,551 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:41:50,950 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:41:51,409 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:41:51,825 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:41:58,121 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:41:59,388 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:41:59,763 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 11:42:00,125 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:42:00,605 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:42:00,953 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:42:01,299 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:42:01,921 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:02,457 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:42:03,119 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:42:03,476 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:42:03,948 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:04,376 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:42:04,661 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:42:05,015 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:42:05,365 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 11:42:05,662 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:42:05,982 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:42:06,348 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:42:06,733 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:42:07,288 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:42:07,844 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:42:08,198 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:42:08,669 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:42:09,090 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:42:09,549 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:42:10,142 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:10,502 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:11,264 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:42:11,741 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:42:12,129 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:42:12,856 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:42:13,411 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:42:13,731 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:42:14,051 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:42:14,332 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:14,689 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:42:15,141 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:42:15,506 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:42:15,834 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:42:16,151 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:42:16,598 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:42:16,985 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:42:17,294 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-08 11:42:17,745 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:42:18,045 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:42:18,351 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:18,636 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-08 11:42:19,125 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:19,629 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-08 11:42:20,005 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:42:20,461 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:42:20,824 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:42:21,184 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:42:21,541 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:42:21,907 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:42:22,254 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-08 11:42:22,827 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:42:23,245 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:42:23,556 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:42:23,975 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:42:24,624 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:42:24,926 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:42:25,282 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:42:25,565 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:25,995 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-08 11:42:26,295 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:26,534 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:42:26,863 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:42:27,276 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:27,659 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 11:42:27,940 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-08 11:42:28,248 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-09-08 11:42:28,647 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:42:29,068 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:42:29,534 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:42:29,849 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:42:30,217 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:30,549 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:42:30,915 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:42:31,241 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:42:31,571 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:42:31,872 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:42:32,235 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:42:32,602 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:42:32,902 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:42:33,218 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-08 11:42:33,609 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:34,141 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:42:34,512 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:42:34,979 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:42:35,411 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:42:35,792 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 11:42:36,155 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-08 11:42:36,475 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:42:36,842 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:42:37,156 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 11:42:37,632 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:37,945 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 11:42:38,279 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-08 11:42:38,690 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:39,042 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:39,483 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:42:39,775 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:42:40,370 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:40,674 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:42:41,183 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:42:41,648 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:42,369 WARN L188 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:42:42,735 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:43,176 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:42:43,781 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:42:44,012 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:42:44,401 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:42:45,056 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 11:42:45,619 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:46,136 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-08 11:42:46,586 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:42:46,958 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:42:47,283 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:42:47,643 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:42:48,014 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:48,346 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:48,682 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:42:49,201 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:42:49,618 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:50,319 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:50,755 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 11:42:51,103 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:42:51,673 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:52,169 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2019-09-08 11:42:53,074 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:42:53,682 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:42:54,313 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:42:54,846 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:55,167 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:42:55,775 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-08 11:42:56,245 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:42:56,567 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:42:56,893 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:42:57,449 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:42:57,856 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-08 11:42:58,412 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:42:58,793 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:42:59,444 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:42:59,893 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:43:00,464 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:43:00,867 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:43:01,453 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:43:01,768 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:43:02,086 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:43:02,519 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:43:02,943 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:43:03,258 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:43:03,892 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:43:04,320 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:43:04,727 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:43:05,193 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:43:06,228 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-08 11:43:07,044 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:43:09,255 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:43:11,774 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-08 11:43:13,689 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-08 11:43:14,231 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:43:15,715 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:43:16,149 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:43:16,529 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-08 11:43:17,710 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:43:18,209 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:43:18,943 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:43:19,335 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:43:19,745 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-08 11:43:20,107 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:43:21,601 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-08 11:43:22,105 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:43:22,427 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:43:23,006 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-08 11:43:23,504 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:43:25,414 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:43:36,427 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:43:38,020 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:43:40,144 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:43:46,381 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:43:47,025 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-08 11:43:57,848 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:43:58,101 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:44:11,419 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:44:11,689 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:44:18,671 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:44:18,946 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:44:19,335 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:44:25,425 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:47:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:47:43,119 INFO L93 Difference]: Finished difference Result 537870 states and 683159 transitions. [2019-09-08 11:47:43,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 589 states. [2019-09-08 11:47:43,120 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 108 [2019-09-08 11:47:43,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:47:43,813 INFO L225 Difference]: With dead ends: 537870 [2019-09-08 11:47:43,813 INFO L226 Difference]: Without dead ends: 483926 [2019-09-08 11:47:43,949 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 610 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182893 ImplicationChecksByTransitivity, 196.1s TimeCoverageRelationStatistics Valid=35204, Invalid=338728, Unknown=0, NotChecked=0, Total=373932 [2019-09-08 11:47:44,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483926 states. [2019-09-08 11:48:39,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483926 to 93324. [2019-09-08 11:48:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93324 states. [2019-09-08 11:48:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93324 states to 93324 states and 120982 transitions. [2019-09-08 11:48:39,398 INFO L78 Accepts]: Start accepts. Automaton has 93324 states and 120982 transitions. Word has length 108 [2019-09-08 11:48:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:48:39,399 INFO L475 AbstractCegarLoop]: Abstraction has 93324 states and 120982 transitions. [2019-09-08 11:48:39,399 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-08 11:48:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 93324 states and 120982 transitions. [2019-09-08 11:48:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-08 11:48:39,403 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:48:39,404 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:48:39,404 INFO L418 AbstractCegarLoop]: === Iteration 40 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:48:39,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:48:39,404 INFO L82 PathProgramCache]: Analyzing trace with hash -252800890, now seen corresponding path program 1 times [2019-09-08 11:48:39,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:48:39,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:48:39,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:48:39,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:48:39,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:48:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:48:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:48:39,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:48:39,709 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:48:39,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:48:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:48:39,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 25 conjunts are in the unsatisfiable core [2019-09-08 11:48:39,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:48:40,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:48:40,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:48:40,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:48:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:48:41,065 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:48:41,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 30 [2019-09-08 11:48:41,066 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-09-08 11:48:41,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-09-08 11:48:41,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2019-09-08 11:48:41,067 INFO L87 Difference]: Start difference. First operand 93324 states and 120982 transitions. Second operand 30 states. [2019-09-08 11:48:46,078 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-08 11:48:47,280 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59