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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 08:17:15,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 08:17:15,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 08:17:15,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-10 08:17:15,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 08:17:15,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 08:17:15,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 08:17:15,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 08:17:15,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 08:17:15,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 08:17:15,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 08:17:15,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 08:17:15,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 08:17:15,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 08:17:15,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 08:17:15,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 08:17:15,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 08:17:15,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 08:17:15,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 08:17:15,446 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 08:17:15,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 08:17:15,447 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 08:17:15,447 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 08:17:15,447 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 08:17:15,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 08:17:15,448 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 08:17:15,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 08:17:15,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 08:17:15,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 08:17:15,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 08:17:15,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 08:17:15,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 08:17:15,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 08:17:15,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 08:17:15,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 08:17:15,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 08:17:15,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 08:17:15,451 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 08:17:15,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 08:17:15,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 08:17:15,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 08:17:15,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 08:17:15,452 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 08:17:15,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 08:17:15,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 08:17:15,453 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 08:17:15,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 08:17:15,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 08:17:15,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 08:17:15,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 08:17:15,514 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 08:17:15,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-10 08:17:15,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d0bd3e6/0b2aa25b30854146855181e7fb2c5cfc/FLAG71530cfd8 [2019-09-10 08:17:16,041 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 08:17:16,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-10 08:17:16,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d0bd3e6/0b2aa25b30854146855181e7fb2c5cfc/FLAG71530cfd8 [2019-09-10 08:17:16,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d0bd3e6/0b2aa25b30854146855181e7fb2c5cfc [2019-09-10 08:17:16,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 08:17:16,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 08:17:16,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 08:17:16,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 08:17:16,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 08:17:16,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:17:16" (1/1) ... [2019-09-10 08:17:16,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f13492c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:16, skipping insertion in model container [2019-09-10 08:17:16,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:17:16" (1/1) ... [2019-09-10 08:17:16,436 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 08:17:16,506 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 08:17:16,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 08:17:16,906 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 08:17:17,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 08:17:17,083 INFO L192 MainTranslator]: Completed translation [2019-09-10 08:17:17,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17 WrapperNode [2019-09-10 08:17:17,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 08:17:17,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 08:17:17,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 08:17:17,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 08:17:17,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (1/1) ... [2019-09-10 08:17:17,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (1/1) ... [2019-09-10 08:17:17,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (1/1) ... [2019-09-10 08:17:17,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (1/1) ... [2019-09-10 08:17:17,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (1/1) ... [2019-09-10 08:17:17,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (1/1) ... [2019-09-10 08:17:17,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (1/1) ... [2019-09-10 08:17:17,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 08:17:17,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 08:17:17,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 08:17:17,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 08:17:17,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (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 [2019-09-10 08:17:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 08:17:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 08:17:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 08:17:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 08:17:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 08:17:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 08:17:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-10 08:17:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 08:17:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-10 08:17:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-10 08:17:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-10 08:17:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-10 08:17:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-10 08:17:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-10 08:17:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-10 08:17:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-10 08:17:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-10 08:17:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-10 08:17:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 08:17:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 08:17:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 08:17:18,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 08:17:18,446 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 08:17:18,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:17:18 BoogieIcfgContainer [2019-09-10 08:17:18,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 08:17:18,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 08:17:18,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 08:17:18,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 08:17:18,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 08:17:16" (1/3) ... [2019-09-10 08:17:18,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d992d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 08:17:18, skipping insertion in model container [2019-09-10 08:17:18,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:17:17" (2/3) ... [2019-09-10 08:17:18,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d992d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 08:17:18, skipping insertion in model container [2019-09-10 08:17:18,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:17:18" (3/3) ... [2019-09-10 08:17:18,457 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-10 08:17:18,468 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 08:17:18,492 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 08:17:18,511 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 08:17:18,557 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 08:17:18,557 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 08:17:18,557 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 08:17:18,558 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 08:17:18,558 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 08:17:18,558 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 08:17:18,559 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 08:17:18,559 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 08:17:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-09-10 08:17:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-09-10 08:17:18,606 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:18,607 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:18,610 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:18,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:18,615 INFO L82 PathProgramCache]: Analyzing trace with hash 171862004, now seen corresponding path program 1 times [2019-09-10 08:17:18,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:18,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:18,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:18,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:18,666 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:19,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:19,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:17:19,196 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:19,202 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:17:19,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:17:19,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:17:19,221 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2019-09-10 08:17:19,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:19,379 INFO L93 Difference]: Finished difference Result 280 states and 467 transitions. [2019-09-10 08:17:19,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:17:19,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-09-10 08:17:19,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:19,413 INFO L225 Difference]: With dead ends: 280 [2019-09-10 08:17:19,413 INFO L226 Difference]: Without dead ends: 272 [2019-09-10 08:17:19,415 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 [2019-09-10 08:17:19,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-09-10 08:17:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 270. [2019-09-10 08:17:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:17:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 387 transitions. [2019-09-10 08:17:19,483 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 387 transitions. Word has length 95 [2019-09-10 08:17:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:19,484 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 387 transitions. [2019-09-10 08:17:19,484 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:17:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 387 transitions. [2019-09-10 08:17:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-09-10 08:17:19,488 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:19,489 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:19,489 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:19,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1189024244, now seen corresponding path program 1 times [2019-09-10 08:17:19,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:19,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:19,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:19,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:19,493 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:19,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:19,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:19,754 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:19,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:19,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:19,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:19,757 INFO L87 Difference]: Start difference. First operand 270 states and 387 transitions. Second operand 5 states. [2019-09-10 08:17:20,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:20,040 INFO L93 Difference]: Finished difference Result 270 states and 384 transitions. [2019-09-10 08:17:20,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:20,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2019-09-10 08:17:20,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:20,043 INFO L225 Difference]: With dead ends: 270 [2019-09-10 08:17:20,044 INFO L226 Difference]: Without dead ends: 270 [2019-09-10 08:17:20,045 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 [2019-09-10 08:17:20,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-09-10 08:17:20,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-09-10 08:17:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:17:20,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 384 transitions. [2019-09-10 08:17:20,072 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 384 transitions. Word has length 97 [2019-09-10 08:17:20,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:20,073 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 384 transitions. [2019-09-10 08:17:20,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 384 transitions. [2019-09-10 08:17:20,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-10 08:17:20,078 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:20,078 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:20,081 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:20,082 INFO L82 PathProgramCache]: Analyzing trace with hash 119724555, now seen corresponding path program 1 times [2019-09-10 08:17:20,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:20,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:20,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:20,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:20,086 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:20,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:20,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:20,285 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:20,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:20,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:20,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:20,286 INFO L87 Difference]: Start difference. First operand 270 states and 384 transitions. Second operand 5 states. [2019-09-10 08:17:20,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:20,504 INFO L93 Difference]: Finished difference Result 270 states and 381 transitions. [2019-09-10 08:17:20,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:20,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-09-10 08:17:20,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:20,509 INFO L225 Difference]: With dead ends: 270 [2019-09-10 08:17:20,509 INFO L226 Difference]: Without dead ends: 270 [2019-09-10 08:17:20,509 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 [2019-09-10 08:17:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-09-10 08:17:20,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-09-10 08:17:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:17:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 381 transitions. [2019-09-10 08:17:20,536 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 381 transitions. Word has length 98 [2019-09-10 08:17:20,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:20,537 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 381 transitions. [2019-09-10 08:17:20,537 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2019-09-10 08:17:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-10 08:17:20,541 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:20,541 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:20,541 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:20,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:20,542 INFO L82 PathProgramCache]: Analyzing trace with hash 540542213, now seen corresponding path program 1 times [2019-09-10 08:17:20,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:20,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:20,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:20,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:20,548 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:20,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:20,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:20,717 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:20,718 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:20,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:20,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:20,719 INFO L87 Difference]: Start difference. First operand 270 states and 381 transitions. Second operand 5 states. [2019-09-10 08:17:20,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:20,936 INFO L93 Difference]: Finished difference Result 270 states and 378 transitions. [2019-09-10 08:17:20,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:20,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2019-09-10 08:17:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:20,939 INFO L225 Difference]: With dead ends: 270 [2019-09-10 08:17:20,939 INFO L226 Difference]: Without dead ends: 270 [2019-09-10 08:17:20,939 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 [2019-09-10 08:17:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-09-10 08:17:20,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-09-10 08:17:20,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:17:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 378 transitions. [2019-09-10 08:17:20,948 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 378 transitions. Word has length 99 [2019-09-10 08:17:20,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:20,948 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 378 transitions. [2019-09-10 08:17:20,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 378 transitions. [2019-09-10 08:17:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 08:17:20,950 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:20,951 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:20,952 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:20,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:20,954 INFO L82 PathProgramCache]: Analyzing trace with hash 298030891, now seen corresponding path program 1 times [2019-09-10 08:17:20,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:20,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:20,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:20,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:20,957 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:21,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:21,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:21,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:21,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:21,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:21,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:21,098 INFO L87 Difference]: Start difference. First operand 270 states and 378 transitions. Second operand 5 states. [2019-09-10 08:17:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:21,306 INFO L93 Difference]: Finished difference Result 270 states and 375 transitions. [2019-09-10 08:17:21,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:21,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2019-09-10 08:17:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:21,308 INFO L225 Difference]: With dead ends: 270 [2019-09-10 08:17:21,309 INFO L226 Difference]: Without dead ends: 270 [2019-09-10 08:17:21,309 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 [2019-09-10 08:17:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-09-10 08:17:21,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-09-10 08:17:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:17:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 375 transitions. [2019-09-10 08:17:21,318 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 375 transitions. Word has length 100 [2019-09-10 08:17:21,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:21,320 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 375 transitions. [2019-09-10 08:17:21,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 375 transitions. [2019-09-10 08:17:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-10 08:17:21,322 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:21,322 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:21,323 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:21,323 INFO L82 PathProgramCache]: Analyzing trace with hash -317145100, now seen corresponding path program 1 times [2019-09-10 08:17:21,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:21,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:21,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:21,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:21,326 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:21,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:21,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:21,449 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:21,449 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:21,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:21,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:21,450 INFO L87 Difference]: Start difference. First operand 270 states and 375 transitions. Second operand 5 states. [2019-09-10 08:17:21,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:21,626 INFO L93 Difference]: Finished difference Result 270 states and 372 transitions. [2019-09-10 08:17:21,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:21,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2019-09-10 08:17:21,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:21,629 INFO L225 Difference]: With dead ends: 270 [2019-09-10 08:17:21,629 INFO L226 Difference]: Without dead ends: 270 [2019-09-10 08:17:21,629 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 [2019-09-10 08:17:21,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-09-10 08:17:21,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-09-10 08:17:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:17:21,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 372 transitions. [2019-09-10 08:17:21,636 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 372 transitions. Word has length 101 [2019-09-10 08:17:21,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:21,637 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 372 transitions. [2019-09-10 08:17:21,637 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 372 transitions. [2019-09-10 08:17:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-10 08:17:21,638 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:21,639 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:21,639 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:21,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:21,639 INFO L82 PathProgramCache]: Analyzing trace with hash -761237271, now seen corresponding path program 1 times [2019-09-10 08:17:21,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:21,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:21,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:21,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:21,641 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:21,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:21,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:21,738 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:21,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:21,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:21,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:21,739 INFO L87 Difference]: Start difference. First operand 270 states and 372 transitions. Second operand 5 states. [2019-09-10 08:17:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:21,924 INFO L93 Difference]: Finished difference Result 270 states and 369 transitions. [2019-09-10 08:17:21,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:21,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2019-09-10 08:17:21,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:21,927 INFO L225 Difference]: With dead ends: 270 [2019-09-10 08:17:21,928 INFO L226 Difference]: Without dead ends: 270 [2019-09-10 08:17:21,928 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 [2019-09-10 08:17:21,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-09-10 08:17:21,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-09-10 08:17:21,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:17:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 369 transitions. [2019-09-10 08:17:21,956 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 369 transitions. Word has length 102 [2019-09-10 08:17:21,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:21,957 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 369 transitions. [2019-09-10 08:17:21,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 369 transitions. [2019-09-10 08:17:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:21,958 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:21,959 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:21,959 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:21,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:21,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1874562471, now seen corresponding path program 1 times [2019-09-10 08:17:21,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:21,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:21,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:21,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:21,962 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:22,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:22,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:17:22,174 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:22,175 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:17:22,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:17:22,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:17:22,176 INFO L87 Difference]: Start difference. First operand 270 states and 369 transitions. Second operand 8 states. [2019-09-10 08:17:22,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:22,498 INFO L93 Difference]: Finished difference Result 1065 states and 1551 transitions. [2019-09-10 08:17:22,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:17:22,498 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:17:22,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:22,505 INFO L225 Difference]: With dead ends: 1065 [2019-09-10 08:17:22,505 INFO L226 Difference]: Without dead ends: 1065 [2019-09-10 08:17:22,506 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:17:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2019-09-10 08:17:22,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 334. [2019-09-10 08:17:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-09-10 08:17:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 465 transitions. [2019-09-10 08:17:22,523 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 465 transitions. Word has length 103 [2019-09-10 08:17:22,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:22,523 INFO L475 AbstractCegarLoop]: Abstraction has 334 states and 465 transitions. [2019-09-10 08:17:22,523 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:17:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 465 transitions. [2019-09-10 08:17:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:22,525 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:22,525 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:22,525 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:22,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:22,526 INFO L82 PathProgramCache]: Analyzing trace with hash 536999613, now seen corresponding path program 1 times [2019-09-10 08:17:22,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:22,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:22,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:22,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:22,527 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:22,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:22,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:17:22,749 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:22,750 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:17:22,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:17:22,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:17:22,751 INFO L87 Difference]: Start difference. First operand 334 states and 465 transitions. Second operand 8 states. [2019-09-10 08:17:23,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:23,112 INFO L93 Difference]: Finished difference Result 1130 states and 1650 transitions. [2019-09-10 08:17:23,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:17:23,113 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:17:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:23,122 INFO L225 Difference]: With dead ends: 1130 [2019-09-10 08:17:23,123 INFO L226 Difference]: Without dead ends: 1130 [2019-09-10 08:17:23,125 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-09-10 08:17:23,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2019-09-10 08:17:23,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 514. [2019-09-10 08:17:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2019-09-10 08:17:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 739 transitions. [2019-09-10 08:17:23,160 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 739 transitions. Word has length 103 [2019-09-10 08:17:23,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:23,161 INFO L475 AbstractCegarLoop]: Abstraction has 514 states and 739 transitions. [2019-09-10 08:17:23,161 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:17:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 739 transitions. [2019-09-10 08:17:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:23,164 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:23,164 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:23,165 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:23,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:23,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1732033126, now seen corresponding path program 1 times [2019-09-10 08:17:23,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:23,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:23,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,174 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:23,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:23,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:23,400 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:23,404 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:23,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:23,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:23,405 INFO L87 Difference]: Start difference. First operand 514 states and 739 transitions. Second operand 5 states. [2019-09-10 08:17:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:23,517 INFO L93 Difference]: Finished difference Result 829 states and 1208 transitions. [2019-09-10 08:17:23,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:23,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-09-10 08:17:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:23,523 INFO L225 Difference]: With dead ends: 829 [2019-09-10 08:17:23,523 INFO L226 Difference]: Without dead ends: 829 [2019-09-10 08:17:23,523 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 [2019-09-10 08:17:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2019-09-10 08:17:23,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 732. [2019-09-10 08:17:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2019-09-10 08:17:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1068 transitions. [2019-09-10 08:17:23,544 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1068 transitions. Word has length 103 [2019-09-10 08:17:23,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:23,544 INFO L475 AbstractCegarLoop]: Abstraction has 732 states and 1068 transitions. [2019-09-10 08:17:23,545 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1068 transitions. [2019-09-10 08:17:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:23,546 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:23,546 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:23,546 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:23,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:23,547 INFO L82 PathProgramCache]: Analyzing trace with hash -362799159, now seen corresponding path program 1 times [2019-09-10 08:17:23,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:23,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:23,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,549 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:23,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:23,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:17:23,631 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:23,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:17:23,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:17:23,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:17:23,633 INFO L87 Difference]: Start difference. First operand 732 states and 1068 transitions. Second operand 3 states. [2019-09-10 08:17:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:23,686 INFO L93 Difference]: Finished difference Result 803 states and 1165 transitions. [2019-09-10 08:17:23,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:17:23,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-10 08:17:23,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:23,691 INFO L225 Difference]: With dead ends: 803 [2019-09-10 08:17:23,692 INFO L226 Difference]: Without dead ends: 803 [2019-09-10 08:17:23,693 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 [2019-09-10 08:17:23,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2019-09-10 08:17:23,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 801. [2019-09-10 08:17:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2019-09-10 08:17:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1164 transitions. [2019-09-10 08:17:23,715 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1164 transitions. Word has length 103 [2019-09-10 08:17:23,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:23,716 INFO L475 AbstractCegarLoop]: Abstraction has 801 states and 1164 transitions. [2019-09-10 08:17:23,716 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:17:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1164 transitions. [2019-09-10 08:17:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:23,717 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:23,718 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:23,718 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:23,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:23,718 INFO L82 PathProgramCache]: Analyzing trace with hash -604016886, now seen corresponding path program 1 times [2019-09-10 08:17:23,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:23,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:23,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,721 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:23,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:23,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:17:23,792 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:23,792 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:17:23,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:17:23,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:17:23,794 INFO L87 Difference]: Start difference. First operand 801 states and 1164 transitions. Second operand 3 states. [2019-09-10 08:17:23,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:23,835 INFO L93 Difference]: Finished difference Result 1364 states and 1975 transitions. [2019-09-10 08:17:23,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:17:23,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-10 08:17:23,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:23,847 INFO L225 Difference]: With dead ends: 1364 [2019-09-10 08:17:23,847 INFO L226 Difference]: Without dead ends: 1364 [2019-09-10 08:17:23,849 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 [2019-09-10 08:17:23,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2019-09-10 08:17:23,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1362. [2019-09-10 08:17:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2019-09-10 08:17:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1974 transitions. [2019-09-10 08:17:23,901 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1974 transitions. Word has length 103 [2019-09-10 08:17:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:23,901 INFO L475 AbstractCegarLoop]: Abstraction has 1362 states and 1974 transitions. [2019-09-10 08:17:23,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:17:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1974 transitions. [2019-09-10 08:17:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:23,904 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:23,904 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:23,904 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:23,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:23,905 INFO L82 PathProgramCache]: Analyzing trace with hash 258657232, now seen corresponding path program 1 times [2019-09-10 08:17:23,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:23,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:23,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:23,908 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:24,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:24,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:24,060 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:24,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:24,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:24,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:24,061 INFO L87 Difference]: Start difference. First operand 1362 states and 1974 transitions. Second operand 5 states. [2019-09-10 08:17:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:24,201 INFO L93 Difference]: Finished difference Result 1638 states and 2371 transitions. [2019-09-10 08:17:24,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:17:24,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-09-10 08:17:24,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:24,215 INFO L225 Difference]: With dead ends: 1638 [2019-09-10 08:17:24,215 INFO L226 Difference]: Without dead ends: 1638 [2019-09-10 08:17:24,215 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 [2019-09-10 08:17:24,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2019-09-10 08:17:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1494. [2019-09-10 08:17:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2019-09-10 08:17:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 2168 transitions. [2019-09-10 08:17:24,289 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 2168 transitions. Word has length 103 [2019-09-10 08:17:24,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:24,290 INFO L475 AbstractCegarLoop]: Abstraction has 1494 states and 2168 transitions. [2019-09-10 08:17:24,290 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2168 transitions. [2019-09-10 08:17:24,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:24,293 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:24,293 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:24,293 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:24,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1863479507, now seen corresponding path program 1 times [2019-09-10 08:17:24,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:24,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:24,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:24,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:24,295 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:24,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:24,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:17:24,542 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:24,543 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:17:24,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:17:24,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:17:24,544 INFO L87 Difference]: Start difference. First operand 1494 states and 2168 transitions. Second operand 8 states. [2019-09-10 08:17:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:24,822 INFO L93 Difference]: Finished difference Result 4315 states and 6310 transitions. [2019-09-10 08:17:24,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:17:24,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:17:24,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:24,845 INFO L225 Difference]: With dead ends: 4315 [2019-09-10 08:17:24,845 INFO L226 Difference]: Without dead ends: 4315 [2019-09-10 08:17:24,847 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:17:24,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2019-09-10 08:17:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 1763. [2019-09-10 08:17:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1763 states. [2019-09-10 08:17:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2563 transitions. [2019-09-10 08:17:24,934 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2563 transitions. Word has length 103 [2019-09-10 08:17:24,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:24,934 INFO L475 AbstractCegarLoop]: Abstraction has 1763 states and 2563 transitions. [2019-09-10 08:17:24,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:17:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2563 transitions. [2019-09-10 08:17:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:17:24,936 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:24,936 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:24,937 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:24,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:24,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1229981692, now seen corresponding path program 1 times [2019-09-10 08:17:24,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:24,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:24,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:24,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:24,940 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:25,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:25,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:17:25,143 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:25,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:17:25,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:17:25,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:17:25,145 INFO L87 Difference]: Start difference. First operand 1763 states and 2563 transitions. Second operand 8 states. [2019-09-10 08:17:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:25,475 INFO L93 Difference]: Finished difference Result 4523 states and 6618 transitions. [2019-09-10 08:17:25,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:17:25,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:17:25,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:25,503 INFO L225 Difference]: With dead ends: 4523 [2019-09-10 08:17:25,503 INFO L226 Difference]: Without dead ends: 4523 [2019-09-10 08:17:25,506 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:17:25,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2019-09-10 08:17:25,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 2047. [2019-09-10 08:17:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2047 states. [2019-09-10 08:17:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2982 transitions. [2019-09-10 08:17:25,615 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2982 transitions. Word has length 103 [2019-09-10 08:17:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:25,616 INFO L475 AbstractCegarLoop]: Abstraction has 2047 states and 2982 transitions. [2019-09-10 08:17:25,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:17:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2982 transitions. [2019-09-10 08:17:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 08:17:25,618 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:25,618 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:25,618 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:25,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:25,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1636218723, now seen corresponding path program 1 times [2019-09-10 08:17:25,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:25,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:25,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:25,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:25,621 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:25,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:25,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:17:25,779 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:25,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:17:25,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:17:25,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:17:25,781 INFO L87 Difference]: Start difference. First operand 2047 states and 2982 transitions. Second operand 5 states. [2019-09-10 08:17:25,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:25,855 INFO L93 Difference]: Finished difference Result 3413 states and 4975 transitions. [2019-09-10 08:17:25,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 08:17:25,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2019-09-10 08:17:25,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:25,871 INFO L225 Difference]: With dead ends: 3413 [2019-09-10 08:17:25,871 INFO L226 Difference]: Without dead ends: 3413 [2019-09-10 08:17:25,872 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:17:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2019-09-10 08:17:25,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 2061. [2019-09-10 08:17:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2019-09-10 08:17:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2990 transitions. [2019-09-10 08:17:25,931 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2990 transitions. Word has length 104 [2019-09-10 08:17:25,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:25,932 INFO L475 AbstractCegarLoop]: Abstraction has 2061 states and 2990 transitions. [2019-09-10 08:17:25,932 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:17:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2990 transitions. [2019-09-10 08:17:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 08:17:25,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:25,934 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:25,934 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:25,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:25,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1313866017, now seen corresponding path program 1 times [2019-09-10 08:17:25,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:25,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:25,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:25,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:25,937 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:26,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:26,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 08:17:26,041 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:26,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 08:17:26,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 08:17:26,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-10 08:17:26,042 INFO L87 Difference]: Start difference. First operand 2061 states and 2990 transitions. Second operand 4 states. [2019-09-10 08:17:26,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:26,084 INFO L93 Difference]: Finished difference Result 2949 states and 4271 transitions. [2019-09-10 08:17:26,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 08:17:26,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-09-10 08:17:26,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:26,098 INFO L225 Difference]: With dead ends: 2949 [2019-09-10 08:17:26,098 INFO L226 Difference]: Without dead ends: 2949 [2019-09-10 08:17:26,099 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-10 08:17:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2949 states. [2019-09-10 08:17:26,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2949 to 2947. [2019-09-10 08:17:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2019-09-10 08:17:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4270 transitions. [2019-09-10 08:17:26,183 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4270 transitions. Word has length 104 [2019-09-10 08:17:26,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:26,183 INFO L475 AbstractCegarLoop]: Abstraction has 2947 states and 4270 transitions. [2019-09-10 08:17:26,183 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 08:17:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4270 transitions. [2019-09-10 08:17:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 08:17:26,185 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:26,185 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:26,185 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:26,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:26,186 INFO L82 PathProgramCache]: Analyzing trace with hash -235929603, now seen corresponding path program 1 times [2019-09-10 08:17:26,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:26,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:26,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:26,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:26,188 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:26,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:26,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:17:26,466 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:26,467 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:17:26,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:17:26,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:17:26,468 INFO L87 Difference]: Start difference. First operand 2947 states and 4270 transitions. Second operand 10 states. [2019-09-10 08:17:27,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:27,353 INFO L93 Difference]: Finished difference Result 5736 states and 8302 transitions. [2019-09-10 08:17:27,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:17:27,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-09-10 08:17:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:27,389 INFO L225 Difference]: With dead ends: 5736 [2019-09-10 08:17:27,389 INFO L226 Difference]: Without dead ends: 5736 [2019-09-10 08:17:27,389 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:17:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5736 states. [2019-09-10 08:17:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5736 to 2947. [2019-09-10 08:17:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2019-09-10 08:17:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4268 transitions. [2019-09-10 08:17:27,465 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4268 transitions. Word has length 105 [2019-09-10 08:17:27,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:27,466 INFO L475 AbstractCegarLoop]: Abstraction has 2947 states and 4268 transitions. [2019-09-10 08:17:27,466 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:17:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4268 transitions. [2019-09-10 08:17:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 08:17:27,467 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:27,467 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:27,468 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:27,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:27,468 INFO L82 PathProgramCache]: Analyzing trace with hash 457052476, now seen corresponding path program 1 times [2019-09-10 08:17:27,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:27,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:27,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:27,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:27,470 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:27,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:27,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:17:27,735 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:27,736 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:17:27,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:17:27,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:17:27,737 INFO L87 Difference]: Start difference. First operand 2947 states and 4268 transitions. Second operand 10 states. [2019-09-10 08:17:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:28,578 INFO L93 Difference]: Finished difference Result 5860 states and 8474 transitions. [2019-09-10 08:17:28,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:17:28,579 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-09-10 08:17:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:28,591 INFO L225 Difference]: With dead ends: 5860 [2019-09-10 08:17:28,591 INFO L226 Difference]: Without dead ends: 5860 [2019-09-10 08:17:28,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:17:28,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5860 states. [2019-09-10 08:17:28,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5860 to 2947. [2019-09-10 08:17:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2019-09-10 08:17:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4264 transitions. [2019-09-10 08:17:28,660 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4264 transitions. Word has length 105 [2019-09-10 08:17:28,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:28,661 INFO L475 AbstractCegarLoop]: Abstraction has 2947 states and 4264 transitions. [2019-09-10 08:17:28,661 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:17:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4264 transitions. [2019-09-10 08:17:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 08:17:28,662 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:28,662 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:28,663 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:28,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:28,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1202767598, now seen corresponding path program 1 times [2019-09-10 08:17:28,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:28,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:28,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:28,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:28,666 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:29,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:29,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 08:17:29,004 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:29,005 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 08:17:29,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 08:17:29,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-10 08:17:29,006 INFO L87 Difference]: Start difference. First operand 2947 states and 4264 transitions. Second operand 9 states. [2019-09-10 08:17:29,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:29,682 INFO L93 Difference]: Finished difference Result 5691 states and 8255 transitions. [2019-09-10 08:17:29,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 08:17:29,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2019-09-10 08:17:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:29,694 INFO L225 Difference]: With dead ends: 5691 [2019-09-10 08:17:29,694 INFO L226 Difference]: Without dead ends: 5691 [2019-09-10 08:17:29,695 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2019-09-10 08:17:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2019-09-10 08:17:29,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 2947. [2019-09-10 08:17:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2019-09-10 08:17:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4263 transitions. [2019-09-10 08:17:29,758 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4263 transitions. Word has length 105 [2019-09-10 08:17:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:29,759 INFO L475 AbstractCegarLoop]: Abstraction has 2947 states and 4263 transitions. [2019-09-10 08:17:29,759 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 08:17:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4263 transitions. [2019-09-10 08:17:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-10 08:17:29,760 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:29,760 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:29,761 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:29,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1247777740, now seen corresponding path program 1 times [2019-09-10 08:17:29,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:29,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:29,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:29,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:29,766 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:30,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:30,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:17:30,020 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:30,020 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:17:30,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:17:30,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:17:30,021 INFO L87 Difference]: Start difference. First operand 2947 states and 4263 transitions. Second operand 10 states. [2019-09-10 08:17:30,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:30,880 INFO L93 Difference]: Finished difference Result 5830 states and 8416 transitions. [2019-09-10 08:17:30,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:17:30,880 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2019-09-10 08:17:30,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:30,928 INFO L225 Difference]: With dead ends: 5830 [2019-09-10 08:17:30,929 INFO L226 Difference]: Without dead ends: 5830 [2019-09-10 08:17:30,930 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:17:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2019-09-10 08:17:30,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 2947. [2019-09-10 08:17:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2019-09-10 08:17:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4257 transitions. [2019-09-10 08:17:30,985 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4257 transitions. Word has length 106 [2019-09-10 08:17:30,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:30,986 INFO L475 AbstractCegarLoop]: Abstraction has 2947 states and 4257 transitions. [2019-09-10 08:17:30,986 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:17:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4257 transitions. [2019-09-10 08:17:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-10 08:17:30,988 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:30,988 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:30,988 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:30,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1487430692, now seen corresponding path program 1 times [2019-09-10 08:17:30,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:30,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:30,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:30,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:30,990 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:31,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:31,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:31,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:17:31,235 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:31,236 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:17:31,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:17:31,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:17:31,237 INFO L87 Difference]: Start difference. First operand 2947 states and 4257 transitions. Second operand 10 states. [2019-09-10 08:17:32,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:32,169 INFO L93 Difference]: Finished difference Result 5850 states and 8439 transitions. [2019-09-10 08:17:32,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:17:32,171 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-09-10 08:17:32,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:32,183 INFO L225 Difference]: With dead ends: 5850 [2019-09-10 08:17:32,183 INFO L226 Difference]: Without dead ends: 5850 [2019-09-10 08:17:32,184 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:17:32,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2019-09-10 08:17:32,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 2947. [2019-09-10 08:17:32,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2019-09-10 08:17:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4252 transitions. [2019-09-10 08:17:32,245 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4252 transitions. Word has length 107 [2019-09-10 08:17:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:32,245 INFO L475 AbstractCegarLoop]: Abstraction has 2947 states and 4252 transitions. [2019-09-10 08:17:32,246 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:17:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4252 transitions. [2019-09-10 08:17:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-10 08:17:32,247 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:32,247 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:32,248 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:32,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:32,248 INFO L82 PathProgramCache]: Analyzing trace with hash 89521878, now seen corresponding path program 1 times [2019-09-10 08:17:32,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:32,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:32,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:32,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:32,250 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:32,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:32,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:17:32,508 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:32,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:17:32,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:17:32,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:17:32,509 INFO L87 Difference]: Start difference. First operand 2947 states and 4252 transitions. Second operand 10 states. [2019-09-10 08:17:33,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:33,585 INFO L93 Difference]: Finished difference Result 5805 states and 8363 transitions. [2019-09-10 08:17:33,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:17:33,585 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2019-09-10 08:17:33,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:33,597 INFO L225 Difference]: With dead ends: 5805 [2019-09-10 08:17:33,598 INFO L226 Difference]: Without dead ends: 5805 [2019-09-10 08:17:33,598 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:17:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5805 states. [2019-09-10 08:17:33,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5805 to 2947. [2019-09-10 08:17:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2947 states. [2019-09-10 08:17:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4245 transitions. [2019-09-10 08:17:33,656 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4245 transitions. Word has length 108 [2019-09-10 08:17:33,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:17:33,657 INFO L475 AbstractCegarLoop]: Abstraction has 2947 states and 4245 transitions. [2019-09-10 08:17:33,657 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:17:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4245 transitions. [2019-09-10 08:17:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:17:33,658 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:17:33,658 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:17:33,659 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:17:33,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:17:33,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1141422456, now seen corresponding path program 1 times [2019-09-10 08:17:33,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:17:33,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:33,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:17:33,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:17:33,660 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:17:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:17:35,074 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:17:35,410 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-10 08:17:35,626 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-09-10 08:17:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:17:37,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:17:37,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-09-10 08:17:37,498 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:17:37,499 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-09-10 08:17:37,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-09-10 08:17:37,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1172, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:17:37,500 INFO L87 Difference]: Start difference. First operand 2947 states and 4245 transitions. Second operand 36 states. [2019-09-10 08:17:37,764 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-10 08:17:39,276 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-10 08:17:39,497 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-10 08:17:39,930 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-10 08:17:40,577 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2019-09-10 08:17:41,045 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-10 08:17:41,668 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 112 [2019-09-10 08:17:42,348 WARN L188 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 120 [2019-09-10 08:17:43,142 WARN L188 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2019-09-10 08:17:44,000 WARN L188 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 151 [2019-09-10 08:17:45,007 WARN L188 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 164 [2019-09-10 08:17:46,197 WARN L188 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 206 DAG size of output: 191 [2019-09-10 08:17:50,343 WARN L188 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 224 DAG size of output: 205 [2019-09-10 08:17:50,774 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2019-09-10 08:17:51,207 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2019-09-10 08:17:51,698 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 112 [2019-09-10 08:17:52,148 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-09-10 08:17:52,956 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-10 08:17:53,610 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2019-09-10 08:17:54,257 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 08:17:54,873 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 08:17:55,854 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-10 08:17:56,562 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-10 08:18:04,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:18:04,188 INFO L93 Difference]: Finished difference Result 12804 states and 18563 transitions. [2019-09-10 08:18:04,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-09-10 08:18:04,191 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2019-09-10 08:18:04,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:18:04,209 INFO L225 Difference]: With dead ends: 12804 [2019-09-10 08:18:04,209 INFO L226 Difference]: Without dead ends: 12804 [2019-09-10 08:18:04,212 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=956, Invalid=4594, Unknown=0, NotChecked=0, Total=5550 [2019-09-10 08:18:04,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12804 states. [2019-09-10 08:18:04,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12804 to 2990. [2019-09-10 08:18:04,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2990 states. [2019-09-10 08:18:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 4300 transitions. [2019-09-10 08:18:04,321 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 4300 transitions. Word has length 109 [2019-09-10 08:18:04,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:18:04,322 INFO L475 AbstractCegarLoop]: Abstraction has 2990 states and 4300 transitions. [2019-09-10 08:18:04,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-09-10 08:18:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 4300 transitions. [2019-09-10 08:18:04,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:18:04,323 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:18:04,323 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:18:04,324 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:18:04,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:18:04,324 INFO L82 PathProgramCache]: Analyzing trace with hash -962103610, now seen corresponding path program 1 times [2019-09-10 08:18:04,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:18:04,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:04,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:18:04,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:04,327 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:18:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:18:05,314 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-10 08:18:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:18:06,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:18:06,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-09-10 08:18:06,143 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:18:06,143 INFO L454 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-09-10 08:18:06,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-09-10 08:18:06,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2019-09-10 08:18:06,144 INFO L87 Difference]: Start difference. First operand 2990 states and 4300 transitions. Second operand 25 states. [2019-09-10 08:18:07,293 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 08:18:07,577 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-10 08:18:07,959 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 08:18:08,349 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-10 08:18:08,859 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2019-09-10 08:18:09,387 WARN L188 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2019-09-10 08:18:09,620 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-10 08:18:09,768 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-10 08:18:10,141 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-10 08:18:10,565 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-10 08:18:10,810 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:18:11,156 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:18:11,614 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:18:12,022 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:18:13,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:18:13,843 INFO L93 Difference]: Finished difference Result 11901 states and 17256 transitions. [2019-09-10 08:18:13,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-09-10 08:18:13,844 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 109 [2019-09-10 08:18:13,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:18:13,855 INFO L225 Difference]: With dead ends: 11901 [2019-09-10 08:18:13,855 INFO L226 Difference]: Without dead ends: 11901 [2019-09-10 08:18:13,856 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=495, Invalid=2055, Unknown=0, NotChecked=0, Total=2550 [2019-09-10 08:18:13,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11901 states. [2019-09-10 08:18:13,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11901 to 2990. [2019-09-10 08:18:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2990 states. [2019-09-10 08:18:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 4296 transitions. [2019-09-10 08:18:13,954 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 4296 transitions. Word has length 109 [2019-09-10 08:18:13,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:18:13,954 INFO L475 AbstractCegarLoop]: Abstraction has 2990 states and 4296 transitions. [2019-09-10 08:18:13,954 INFO L476 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-09-10 08:18:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 4296 transitions. [2019-09-10 08:18:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:18:13,956 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:18:13,956 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:18:13,956 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:18:13,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:18:13,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1830243783, now seen corresponding path program 1 times [2019-09-10 08:18:13,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:18:13,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:13,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:18:13,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:13,959 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:18:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:18:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:18:14,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:18:14,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 08:18:14,996 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:18:14,996 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 08:18:14,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 08:18:14,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-10 08:18:14,997 INFO L87 Difference]: Start difference. First operand 2990 states and 4296 transitions. Second operand 19 states. [2019-09-10 08:18:15,781 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2019-09-10 08:18:16,074 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2019-09-10 08:18:16,392 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-10 08:18:16,566 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2019-09-10 08:18:16,919 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-10 08:18:17,157 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-10 08:18:17,363 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2019-09-10 08:18:18,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:18:18,258 INFO L93 Difference]: Finished difference Result 12747 states and 18490 transitions. [2019-09-10 08:18:18,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:18:18,258 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 109 [2019-09-10 08:18:18,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:18:18,269 INFO L225 Difference]: With dead ends: 12747 [2019-09-10 08:18:18,269 INFO L226 Difference]: Without dead ends: 12747 [2019-09-10 08:18:18,270 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:18:18,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12747 states. [2019-09-10 08:18:18,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12747 to 2957. [2019-09-10 08:18:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2957 states. [2019-09-10 08:18:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 4253 transitions. [2019-09-10 08:18:18,361 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 4253 transitions. Word has length 109 [2019-09-10 08:18:18,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:18:18,361 INFO L475 AbstractCegarLoop]: Abstraction has 2957 states and 4253 transitions. [2019-09-10 08:18:18,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 08:18:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 4253 transitions. [2019-09-10 08:18:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:18:18,363 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:18:18,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:18:18,364 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:18:18,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:18:18,364 INFO L82 PathProgramCache]: Analyzing trace with hash -279703384, now seen corresponding path program 1 times [2019-09-10 08:18:18,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:18:18,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:18,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:18:18,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:18,366 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:18:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:18:19,137 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-09-10 08:18:19,292 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-10 08:18:19,689 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-10 08:18:19,846 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-10 08:18:20,079 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-10 08:18:20,361 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-10 08:18:20,649 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2019-09-10 08:18:20,892 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-10 08:18:21,136 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-09-10 08:18:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:18:22,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:18:22,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-09-10 08:18:22,857 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:18:22,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-09-10 08:18:22,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-09-10 08:18:22,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1167, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:18:22,859 INFO L87 Difference]: Start difference. First operand 2957 states and 4253 transitions. Second operand 36 states. [2019-09-10 08:18:23,085 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-09-10 08:18:24,327 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-09-10 08:18:24,511 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-10 08:18:25,106 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-10 08:18:25,424 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-10 08:18:25,780 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2019-09-10 08:18:26,274 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 93 [2019-09-10 08:18:26,788 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 100 [2019-09-10 08:18:27,421 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 115 [2019-09-10 08:18:28,110 WARN L188 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2019-09-10 08:18:28,955 WARN L188 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 141 [2019-09-10 08:18:29,954 WARN L188 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2019-09-10 08:18:31,088 WARN L188 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 180 [2019-09-10 08:18:31,457 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 08:18:31,821 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 08:18:32,387 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 08:18:32,948 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 08:18:33,764 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 08:18:34,419 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 08:18:35,363 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:18:36,035 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-10 08:18:38,035 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-09-10 08:18:45,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:18:45,076 INFO L93 Difference]: Finished difference Result 14298 states and 20728 transitions. [2019-09-10 08:18:45,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2019-09-10 08:18:45,081 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2019-09-10 08:18:45,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:18:45,093 INFO L225 Difference]: With dead ends: 14298 [2019-09-10 08:18:45,093 INFO L226 Difference]: Without dead ends: 14298 [2019-09-10 08:18:45,094 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=950, Invalid=4306, Unknown=0, NotChecked=0, Total=5256 [2019-09-10 08:18:45,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14298 states. [2019-09-10 08:18:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14298 to 3024. [2019-09-10 08:18:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3024 states. [2019-09-10 08:18:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 4340 transitions. [2019-09-10 08:18:45,195 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 4340 transitions. Word has length 109 [2019-09-10 08:18:45,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:18:45,196 INFO L475 AbstractCegarLoop]: Abstraction has 3024 states and 4340 transitions. [2019-09-10 08:18:45,196 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-09-10 08:18:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 4340 transitions. [2019-09-10 08:18:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:18:45,197 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:18:45,198 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:18:45,198 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:18:45,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:18:45,198 INFO L82 PathProgramCache]: Analyzing trace with hash -684647096, now seen corresponding path program 1 times [2019-09-10 08:18:45,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:18:45,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:45,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:18:45,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:45,200 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:18:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:18:46,468 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:18:46,901 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:18:47,257 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:18:48,822 WARN L188 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:18:51,088 WARN L188 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:18:52,540 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:18:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:18:54,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:18:54,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-09-10 08:18:54,064 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:18:54,065 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-09-10 08:18:54,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-09-10 08:18:54,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:18:54,066 INFO L87 Difference]: Start difference. First operand 3024 states and 4340 transitions. Second operand 36 states. [2019-09-10 08:18:54,288 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2019-09-10 08:18:55,479 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-09-10 08:18:55,663 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2019-09-10 08:18:57,027 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2019-09-10 08:18:57,420 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2019-09-10 08:18:57,762 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2019-09-10 08:18:58,284 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 108 [2019-09-10 08:18:58,933 WARN L188 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 128 [2019-09-10 08:18:59,704 WARN L188 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 138 [2019-09-10 08:19:01,675 WARN L188 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2019-09-10 08:19:28,906 WARN L188 SmtUtils]: Spent 24.33 s on a formula simplification. DAG size of input: 230 DAG size of output: 187 [2019-09-10 08:20:06,890 WARN L188 SmtUtils]: Spent 33.68 s on a formula simplification. DAG size of input: 255 DAG size of output: 211 [2019-09-10 08:20:41,243 WARN L188 SmtUtils]: Spent 34.13 s on a formula simplification. DAG size of input: 275 DAG size of output: 230 [2019-09-10 08:20:41,893 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 82 [2019-09-10 08:20:42,224 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 82 [2019-09-10 08:20:42,536 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-10 08:20:42,847 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:20:43,169 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-10 08:20:46,831 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-10 08:20:58,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:20:58,915 INFO L93 Difference]: Finished difference Result 19550 states and 28352 transitions. [2019-09-10 08:20:58,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-09-10 08:20:58,918 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2019-09-10 08:20:58,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:20:58,936 INFO L225 Difference]: With dead ends: 19550 [2019-09-10 08:20:58,937 INFO L226 Difference]: Without dead ends: 19550 [2019-09-10 08:20:58,938 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 112.8s TimeCoverageRelationStatistics Valid=779, Invalid=4475, Unknown=2, NotChecked=0, Total=5256 [2019-09-10 08:20:58,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19550 states. [2019-09-10 08:20:59,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19550 to 3044. [2019-09-10 08:20:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3044 states. [2019-09-10 08:20:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4364 transitions. [2019-09-10 08:20:59,071 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4364 transitions. Word has length 109 [2019-09-10 08:20:59,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:20:59,071 INFO L475 AbstractCegarLoop]: Abstraction has 3044 states and 4364 transitions. [2019-09-10 08:20:59,071 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-09-10 08:20:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4364 transitions. [2019-09-10 08:20:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:20:59,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:20:59,074 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:20:59,075 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:20:59,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:20:59,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1165404091, now seen corresponding path program 1 times [2019-09-10 08:20:59,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:20:59,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:20:59,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:20:59,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:20:59,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:20:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:00,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:00,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 08:21:00,035 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:00,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 08:21:00,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 08:21:00,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-10 08:21:00,036 INFO L87 Difference]: Start difference. First operand 3044 states and 4364 transitions. Second operand 19 states. [2019-09-10 08:21:00,656 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-10 08:21:00,860 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-10 08:21:01,172 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:21:01,610 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 08:21:01,778 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2019-09-10 08:21:02,183 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-09-10 08:21:02,508 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-09-10 08:21:02,686 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-10 08:21:02,946 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-10 08:21:03,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:03,732 INFO L93 Difference]: Finished difference Result 12748 states and 18475 transitions. [2019-09-10 08:21:03,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:21:03,732 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 109 [2019-09-10 08:21:03,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:03,746 INFO L225 Difference]: With dead ends: 12748 [2019-09-10 08:21:03,746 INFO L226 Difference]: Without dead ends: 12748 [2019-09-10 08:21:03,748 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:21:03,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12748 states. [2019-09-10 08:21:03,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12748 to 3023. [2019-09-10 08:21:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3023 states. [2019-09-10 08:21:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 3023 states and 4336 transitions. [2019-09-10 08:21:03,825 INFO L78 Accepts]: Start accepts. Automaton has 3023 states and 4336 transitions. Word has length 109 [2019-09-10 08:21:03,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:03,825 INFO L475 AbstractCegarLoop]: Abstraction has 3023 states and 4336 transitions. [2019-09-10 08:21:03,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 08:21:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3023 states and 4336 transitions. [2019-09-10 08:21:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:21:03,826 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:03,827 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:03,827 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:03,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:03,827 INFO L82 PathProgramCache]: Analyzing trace with hash 2037834854, now seen corresponding path program 1 times [2019-09-10 08:21:03,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:03,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:03,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:03,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:03,828 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:04,569 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-09-10 08:21:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:05,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:05,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-09-10 08:21:05,313 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:05,313 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-10 08:21:05,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-10 08:21:05,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2019-09-10 08:21:05,314 INFO L87 Difference]: Start difference. First operand 3023 states and 4336 transitions. Second operand 23 states. [2019-09-10 08:21:06,462 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2019-09-10 08:21:06,699 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2019-09-10 08:21:07,041 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2019-09-10 08:21:07,420 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2019-09-10 08:21:07,906 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 106 [2019-09-10 08:21:08,156 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-10 08:21:08,411 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-09-10 08:21:08,762 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 08:21:08,985 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 08:21:09,237 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 08:21:09,643 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-09-10 08:21:09,921 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2019-09-10 08:21:13,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:13,071 INFO L93 Difference]: Finished difference Result 15274 states and 22154 transitions. [2019-09-10 08:21:13,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-09-10 08:21:13,071 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 109 [2019-09-10 08:21:13,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:13,084 INFO L225 Difference]: With dead ends: 15274 [2019-09-10 08:21:13,084 INFO L226 Difference]: Without dead ends: 15274 [2019-09-10 08:21:13,085 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=440, Invalid=1540, Unknown=0, NotChecked=0, Total=1980 [2019-09-10 08:21:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15274 states. [2019-09-10 08:21:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15274 to 3000. [2019-09-10 08:21:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3000 states. [2019-09-10 08:21:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 4302 transitions. [2019-09-10 08:21:13,194 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 4302 transitions. Word has length 109 [2019-09-10 08:21:13,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:13,195 INFO L475 AbstractCegarLoop]: Abstraction has 3000 states and 4302 transitions. [2019-09-10 08:21:13,195 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-10 08:21:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 4302 transitions. [2019-09-10 08:21:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:21:13,196 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:13,197 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:13,198 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:13,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:13,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1244058685, now seen corresponding path program 1 times [2019-09-10 08:21:13,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:13,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:13,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:13,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:13,200 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:13,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:13,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 08:21:13,727 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:13,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 08:21:13,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 08:21:13,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:21:13,728 INFO L87 Difference]: Start difference. First operand 3000 states and 4302 transitions. Second operand 13 states. [2019-09-10 08:21:14,048 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-10 08:21:14,195 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-10 08:21:14,346 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-10 08:21:14,654 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-10 08:21:14,859 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-10 08:21:15,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:15,116 INFO L93 Difference]: Finished difference Result 11127 states and 16106 transitions. [2019-09-10 08:21:15,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 08:21:15,116 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2019-09-10 08:21:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:15,124 INFO L225 Difference]: With dead ends: 11127 [2019-09-10 08:21:15,124 INFO L226 Difference]: Without dead ends: 11127 [2019-09-10 08:21:15,125 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2019-09-10 08:21:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11127 states. [2019-09-10 08:21:15,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11127 to 2964. [2019-09-10 08:21:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2964 states. [2019-09-10 08:21:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 4254 transitions. [2019-09-10 08:21:15,180 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 4254 transitions. Word has length 110 [2019-09-10 08:21:15,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:15,180 INFO L475 AbstractCegarLoop]: Abstraction has 2964 states and 4254 transitions. [2019-09-10 08:21:15,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 08:21:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 4254 transitions. [2019-09-10 08:21:15,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:21:15,182 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:15,182 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:15,182 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:15,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:15,182 INFO L82 PathProgramCache]: Analyzing trace with hash -325705726, now seen corresponding path program 1 times [2019-09-10 08:21:15,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:15,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:15,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:15,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:15,184 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:16,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:16,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 08:21:16,126 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:16,126 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 08:21:16,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 08:21:16,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-10 08:21:16,127 INFO L87 Difference]: Start difference. First operand 2964 states and 4254 transitions. Second operand 19 states. [2019-09-10 08:21:16,755 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-10 08:21:16,964 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:21:17,275 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 08:21:17,592 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-10 08:21:17,777 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-09-10 08:21:18,099 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-10 08:21:18,346 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-10 08:21:18,586 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-10 08:21:18,826 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-10 08:21:19,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:19,739 INFO L93 Difference]: Finished difference Result 11470 states and 16625 transitions. [2019-09-10 08:21:19,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:21:19,739 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 110 [2019-09-10 08:21:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:19,750 INFO L225 Difference]: With dead ends: 11470 [2019-09-10 08:21:19,751 INFO L226 Difference]: Without dead ends: 11470 [2019-09-10 08:21:19,751 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:21:19,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11470 states. [2019-09-10 08:21:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11470 to 2969. [2019-09-10 08:21:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2019-09-10 08:21:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 4255 transitions. [2019-09-10 08:21:19,815 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 4255 transitions. Word has length 110 [2019-09-10 08:21:19,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:19,815 INFO L475 AbstractCegarLoop]: Abstraction has 2969 states and 4255 transitions. [2019-09-10 08:21:19,815 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 08:21:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 4255 transitions. [2019-09-10 08:21:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:21:19,817 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:19,817 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:19,817 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:19,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:19,817 INFO L82 PathProgramCache]: Analyzing trace with hash -823899427, now seen corresponding path program 1 times [2019-09-10 08:21:19,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:19,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:19,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:19,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:19,819 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:21,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:21,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-10 08:21:21,531 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:21,531 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-10 08:21:21,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-10 08:21:21,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2019-09-10 08:21:21,532 INFO L87 Difference]: Start difference. First operand 2969 states and 4255 transitions. Second operand 24 states. [2019-09-10 08:21:22,859 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2019-09-10 08:21:23,083 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2019-09-10 08:21:23,405 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2019-09-10 08:21:23,808 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2019-09-10 08:21:24,355 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 114 [2019-09-10 08:21:24,612 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 64 [2019-09-10 08:21:24,881 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 64 [2019-09-10 08:21:25,130 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 08:21:25,570 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 08:21:26,624 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-09-10 08:21:29,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:29,097 INFO L93 Difference]: Finished difference Result 16623 states and 24115 transitions. [2019-09-10 08:21:29,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-09-10 08:21:29,097 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 110 [2019-09-10 08:21:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:29,110 INFO L225 Difference]: With dead ends: 16623 [2019-09-10 08:21:29,110 INFO L226 Difference]: Without dead ends: 16623 [2019-09-10 08:21:29,111 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=356, Invalid=1714, Unknown=0, NotChecked=0, Total=2070 [2019-09-10 08:21:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16623 states. [2019-09-10 08:21:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16623 to 2985. [2019-09-10 08:21:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2985 states. [2019-09-10 08:21:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2985 states and 4275 transitions. [2019-09-10 08:21:29,210 INFO L78 Accepts]: Start accepts. Automaton has 2985 states and 4275 transitions. Word has length 110 [2019-09-10 08:21:29,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:29,210 INFO L475 AbstractCegarLoop]: Abstraction has 2985 states and 4275 transitions. [2019-09-10 08:21:29,210 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-10 08:21:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 4275 transitions. [2019-09-10 08:21:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:21:29,211 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:29,211 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:29,211 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:29,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:29,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1409895325, now seen corresponding path program 1 times [2019-09-10 08:21:29,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:29,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:29,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:29,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:29,213 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:29,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:29,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-10 08:21:29,752 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:29,752 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-10 08:21:29,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-10 08:21:29,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:21:29,753 INFO L87 Difference]: Start difference. First operand 2985 states and 4275 transitions. Second operand 12 states. [2019-09-10 08:21:30,248 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2019-09-10 08:21:30,427 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:21:30,607 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:21:30,792 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-10 08:21:30,946 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-09-10 08:21:31,360 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-09-10 08:21:31,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:31,627 INFO L93 Difference]: Finished difference Result 12556 states and 18220 transitions. [2019-09-10 08:21:31,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-10 08:21:31,627 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2019-09-10 08:21:31,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:31,640 INFO L225 Difference]: With dead ends: 12556 [2019-09-10 08:21:31,640 INFO L226 Difference]: Without dead ends: 12556 [2019-09-10 08:21:31,641 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2019-09-10 08:21:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12556 states. [2019-09-10 08:21:31,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12556 to 2807. [2019-09-10 08:21:31,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2019-09-10 08:21:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 4027 transitions. [2019-09-10 08:21:31,704 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 4027 transitions. Word has length 110 [2019-09-10 08:21:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:31,705 INFO L475 AbstractCegarLoop]: Abstraction has 2807 states and 4027 transitions. [2019-09-10 08:21:31,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-10 08:21:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 4027 transitions. [2019-09-10 08:21:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:21:31,705 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:31,705 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:31,706 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:31,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:31,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1071046942, now seen corresponding path program 1 times [2019-09-10 08:21:31,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:31,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:31,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:31,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:31,707 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:32,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:32,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-10 08:21:32,264 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:32,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-10 08:21:32,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-10 08:21:32,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:21:32,265 INFO L87 Difference]: Start difference. First operand 2807 states and 4027 transitions. Second operand 12 states. [2019-09-10 08:21:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:33,080 INFO L93 Difference]: Finished difference Result 10736 states and 15554 transitions. [2019-09-10 08:21:33,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:21:33,081 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2019-09-10 08:21:33,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:33,089 INFO L225 Difference]: With dead ends: 10736 [2019-09-10 08:21:33,089 INFO L226 Difference]: Without dead ends: 10736 [2019-09-10 08:21:33,089 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-10 08:21:33,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10736 states. [2019-09-10 08:21:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10736 to 2771. [2019-09-10 08:21:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2771 states. [2019-09-10 08:21:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3982 transitions. [2019-09-10 08:21:33,140 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3982 transitions. Word has length 111 [2019-09-10 08:21:33,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:33,140 INFO L475 AbstractCegarLoop]: Abstraction has 2771 states and 3982 transitions. [2019-09-10 08:21:33,140 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-10 08:21:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3982 transitions. [2019-09-10 08:21:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:21:33,141 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:33,141 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:33,142 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:33,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:33,142 INFO L82 PathProgramCache]: Analyzing trace with hash 611351621, now seen corresponding path program 1 times [2019-09-10 08:21:33,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:33,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:33,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:33,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:33,143 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:34,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:34,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 08:21:34,178 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:34,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 08:21:34,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 08:21:34,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2019-09-10 08:21:34,179 INFO L87 Difference]: Start difference. First operand 2771 states and 3982 transitions. Second operand 18 states. [2019-09-10 08:21:34,955 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-10 08:21:35,162 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-10 08:21:35,469 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-10 08:21:35,668 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-10 08:21:35,879 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-10 08:21:36,113 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-10 08:21:36,301 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-10 08:21:36,676 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2019-09-10 08:21:36,929 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-10 08:21:37,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:37,634 INFO L93 Difference]: Finished difference Result 18799 states and 27328 transitions. [2019-09-10 08:21:37,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-09-10 08:21:37,634 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 111 [2019-09-10 08:21:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:37,649 INFO L225 Difference]: With dead ends: 18799 [2019-09-10 08:21:37,650 INFO L226 Difference]: Without dead ends: 18799 [2019-09-10 08:21:37,650 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=267, Invalid=993, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:21:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18799 states. [2019-09-10 08:21:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18799 to 2772. [2019-09-10 08:21:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2019-09-10 08:21:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3983 transitions. [2019-09-10 08:21:37,729 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3983 transitions. Word has length 111 [2019-09-10 08:21:37,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:37,729 INFO L475 AbstractCegarLoop]: Abstraction has 2772 states and 3983 transitions. [2019-09-10 08:21:37,730 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 08:21:37,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3983 transitions. [2019-09-10 08:21:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:21:37,730 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:37,731 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:37,731 INFO L418 AbstractCegarLoop]: === Iteration 37 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:37,731 INFO L82 PathProgramCache]: Analyzing trace with hash -530919988, now seen corresponding path program 1 times [2019-09-10 08:21:37,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:37,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:37,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:37,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:37,732 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:38,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:38,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 08:21:38,303 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:38,303 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 08:21:38,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 08:21:38,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:21:38,304 INFO L87 Difference]: Start difference. First operand 2772 states and 3983 transitions. Second operand 13 states. [2019-09-10 08:21:38,745 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2019-09-10 08:21:38,907 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2019-09-10 08:21:39,071 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2019-09-10 08:21:39,387 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2019-09-10 08:21:39,612 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-10 08:21:39,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:39,912 INFO L93 Difference]: Finished difference Result 10642 states and 15438 transitions. [2019-09-10 08:21:39,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 08:21:39,913 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 111 [2019-09-10 08:21:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:39,920 INFO L225 Difference]: With dead ends: 10642 [2019-09-10 08:21:39,920 INFO L226 Difference]: Without dead ends: 10642 [2019-09-10 08:21:39,921 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2019-09-10 08:21:39,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10642 states. [2019-09-10 08:21:39,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10642 to 2766. [2019-09-10 08:21:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2766 states. [2019-09-10 08:21:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3975 transitions. [2019-09-10 08:21:39,967 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3975 transitions. Word has length 111 [2019-09-10 08:21:39,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:39,967 INFO L475 AbstractCegarLoop]: Abstraction has 2766 states and 3975 transitions. [2019-09-10 08:21:39,968 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 08:21:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3975 transitions. [2019-09-10 08:21:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:21:39,969 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:39,969 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:39,969 INFO L418 AbstractCegarLoop]: === Iteration 38 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:39,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:39,969 INFO L82 PathProgramCache]: Analyzing trace with hash -106667668, now seen corresponding path program 1 times [2019-09-10 08:21:39,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:39,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:39,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:39,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:39,970 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:40,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:40,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-10 08:21:40,434 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:40,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-10 08:21:40,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-10 08:21:40,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:21:40,435 INFO L87 Difference]: Start difference. First operand 2766 states and 3975 transitions. Second operand 12 states. [2019-09-10 08:21:40,896 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2019-09-10 08:21:41,049 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 08:21:41,216 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 08:21:41,523 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 08:21:41,753 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-10 08:21:41,904 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-09-10 08:21:42,388 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-10 08:21:42,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:42,486 INFO L93 Difference]: Finished difference Result 13260 states and 19249 transitions. [2019-09-10 08:21:42,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-10 08:21:42,486 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2019-09-10 08:21:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:42,498 INFO L225 Difference]: With dead ends: 13260 [2019-09-10 08:21:42,498 INFO L226 Difference]: Without dead ends: 13260 [2019-09-10 08:21:42,499 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2019-09-10 08:21:42,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13260 states. [2019-09-10 08:21:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13260 to 2744. [2019-09-10 08:21:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2744 states. [2019-09-10 08:21:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 3948 transitions. [2019-09-10 08:21:42,559 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 3948 transitions. Word has length 111 [2019-09-10 08:21:42,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:42,559 INFO L475 AbstractCegarLoop]: Abstraction has 2744 states and 3948 transitions. [2019-09-10 08:21:42,559 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-10 08:21:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3948 transitions. [2019-09-10 08:21:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:21:42,560 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:42,560 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:42,560 INFO L418 AbstractCegarLoop]: === Iteration 39 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:42,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:42,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1526289660, now seen corresponding path program 1 times [2019-09-10 08:21:42,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:42,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:42,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:42,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:42,562 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:21:43,620 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-10 08:21:44,341 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-10 08:21:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:21:45,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:21:45,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2019-09-10 08:21:45,502 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:21:45,502 INFO L454 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-09-10 08:21:45,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-09-10 08:21:45,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2019-09-10 08:21:45,502 INFO L87 Difference]: Start difference. First operand 2744 states and 3948 transitions. Second operand 33 states. [2019-09-10 08:21:45,661 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-10 08:21:46,934 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-10 08:21:47,134 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-10 08:21:47,364 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:21:47,607 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:21:47,921 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-10 08:21:48,259 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-10 08:21:48,672 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 08:21:49,109 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 08:21:49,711 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 113 [2019-09-10 08:21:50,381 WARN L188 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 125 [2019-09-10 08:21:50,617 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 08:21:50,839 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-09-10 08:21:53,186 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-10 08:21:54,016 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 08:21:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:21:59,259 INFO L93 Difference]: Finished difference Result 21796 states and 31710 transitions. [2019-09-10 08:21:59,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-09-10 08:21:59,259 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 111 [2019-09-10 08:21:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:21:59,276 INFO L225 Difference]: With dead ends: 21796 [2019-09-10 08:21:59,276 INFO L226 Difference]: Without dead ends: 21796 [2019-09-10 08:21:59,277 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=723, Invalid=3699, Unknown=0, NotChecked=0, Total=4422 [2019-09-10 08:21:59,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21796 states. [2019-09-10 08:21:59,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21796 to 2756. [2019-09-10 08:21:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2756 states. [2019-09-10 08:21:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3963 transitions. [2019-09-10 08:21:59,372 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3963 transitions. Word has length 111 [2019-09-10 08:21:59,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:21:59,372 INFO L475 AbstractCegarLoop]: Abstraction has 2756 states and 3963 transitions. [2019-09-10 08:21:59,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-09-10 08:21:59,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3963 transitions. [2019-09-10 08:21:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-10 08:21:59,373 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:21:59,373 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:21:59,373 INFO L418 AbstractCegarLoop]: === Iteration 40 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:21:59,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:21:59,373 INFO L82 PathProgramCache]: Analyzing trace with hash -302657023, now seen corresponding path program 1 times [2019-09-10 08:21:59,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:21:59,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:59,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:21:59,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:21:59,374 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:21:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:00,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:00,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-09-10 08:22:00,899 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:00,900 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-10 08:22:00,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-10 08:22:00,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2019-09-10 08:22:00,900 INFO L87 Difference]: Start difference. First operand 2756 states and 3963 transitions. Second operand 26 states. [2019-09-10 08:22:02,193 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-10 08:22:02,397 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:22:02,666 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:22:02,943 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-10 08:22:03,352 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 08:22:03,764 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-10 08:22:03,927 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-10 08:22:04,080 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-10 08:22:05,810 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-09-10 08:22:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:08,464 INFO L93 Difference]: Finished difference Result 19489 states and 28379 transitions. [2019-09-10 08:22:08,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-09-10 08:22:08,465 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 112 [2019-09-10 08:22:08,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:08,479 INFO L225 Difference]: With dead ends: 19489 [2019-09-10 08:22:08,480 INFO L226 Difference]: Without dead ends: 19489 [2019-09-10 08:22:08,480 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=414, Invalid=2136, Unknown=0, NotChecked=0, Total=2550 [2019-09-10 08:22:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19489 states. [2019-09-10 08:22:08,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19489 to 2752. [2019-09-10 08:22:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2752 states. [2019-09-10 08:22:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3958 transitions. [2019-09-10 08:22:08,565 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3958 transitions. Word has length 112 [2019-09-10 08:22:08,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:08,565 INFO L475 AbstractCegarLoop]: Abstraction has 2752 states and 3958 transitions. [2019-09-10 08:22:08,565 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-10 08:22:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3958 transitions. [2019-09-10 08:22:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-10 08:22:08,565 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:08,565 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:08,566 INFO L418 AbstractCegarLoop]: === Iteration 41 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:08,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:08,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1054557246, now seen corresponding path program 1 times [2019-09-10 08:22:08,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:08,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:08,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:08,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:08,567 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:09,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:09,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 08:22:09,160 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:09,161 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 08:22:09,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 08:22:09,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:22:09,161 INFO L87 Difference]: Start difference. First operand 2752 states and 3958 transitions. Second operand 13 states. [2019-09-10 08:22:09,516 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-09-10 08:22:09,670 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2019-09-10 08:22:09,836 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2019-09-10 08:22:09,979 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-10 08:22:10,245 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2019-09-10 08:22:10,505 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-09-10 08:22:10,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:10,834 INFO L93 Difference]: Finished difference Result 10594 states and 15377 transitions. [2019-09-10 08:22:10,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 08:22:10,835 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 112 [2019-09-10 08:22:10,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:10,862 INFO L225 Difference]: With dead ends: 10594 [2019-09-10 08:22:10,862 INFO L226 Difference]: Without dead ends: 10594 [2019-09-10 08:22:10,862 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2019-09-10 08:22:10,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10594 states. [2019-09-10 08:22:10,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10594 to 2718. [2019-09-10 08:22:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2718 states. [2019-09-10 08:22:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3916 transitions. [2019-09-10 08:22:10,902 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3916 transitions. Word has length 112 [2019-09-10 08:22:10,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:10,903 INFO L475 AbstractCegarLoop]: Abstraction has 2718 states and 3916 transitions. [2019-09-10 08:22:10,903 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 08:22:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3916 transitions. [2019-09-10 08:22:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-09-10 08:22:10,904 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:10,904 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:10,904 INFO L418 AbstractCegarLoop]: === Iteration 42 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:10,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash -95034080, now seen corresponding path program 1 times [2019-09-10 08:22:10,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:10,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:10,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:10,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:10,906 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:10,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:10,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:22:10,969 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:10,969 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:22:10,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:22:10,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:22:10,970 INFO L87 Difference]: Start difference. First operand 2718 states and 3916 transitions. Second operand 3 states. [2019-09-10 08:22:11,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:11,001 INFO L93 Difference]: Finished difference Result 5168 states and 7398 transitions. [2019-09-10 08:22:11,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:22:11,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-09-10 08:22:11,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:11,006 INFO L225 Difference]: With dead ends: 5168 [2019-09-10 08:22:11,006 INFO L226 Difference]: Without dead ends: 5168 [2019-09-10 08:22:11,007 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 [2019-09-10 08:22:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2019-09-10 08:22:11,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 5006. [2019-09-10 08:22:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5006 states. [2019-09-10 08:22:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5006 states to 5006 states and 7197 transitions. [2019-09-10 08:22:11,068 INFO L78 Accepts]: Start accepts. Automaton has 5006 states and 7197 transitions. Word has length 142 [2019-09-10 08:22:11,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:11,069 INFO L475 AbstractCegarLoop]: Abstraction has 5006 states and 7197 transitions. [2019-09-10 08:22:11,069 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:22:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 5006 states and 7197 transitions. [2019-09-10 08:22:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-09-10 08:22:11,071 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:11,071 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:11,071 INFO L418 AbstractCegarLoop]: === Iteration 43 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:11,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:11,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1750292162, now seen corresponding path program 1 times [2019-09-10 08:22:11,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:11,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:11,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:11,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:11,074 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:11,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:11,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:22:11,156 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:11,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:22:11,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:22:11,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:22:11,158 INFO L87 Difference]: Start difference. First operand 5006 states and 7197 transitions. Second operand 3 states. [2019-09-10 08:22:11,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:11,194 INFO L93 Difference]: Finished difference Result 9584 states and 13640 transitions. [2019-09-10 08:22:11,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:22:11,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-09-10 08:22:11,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:11,204 INFO L225 Difference]: With dead ends: 9584 [2019-09-10 08:22:11,205 INFO L226 Difference]: Without dead ends: 9584 [2019-09-10 08:22:11,206 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 [2019-09-10 08:22:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9584 states. [2019-09-10 08:22:11,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9584 to 9262. [2019-09-10 08:22:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9262 states. [2019-09-10 08:22:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9262 states to 9262 states and 13239 transitions. [2019-09-10 08:22:11,311 INFO L78 Accepts]: Start accepts. Automaton has 9262 states and 13239 transitions. Word has length 143 [2019-09-10 08:22:11,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:11,311 INFO L475 AbstractCegarLoop]: Abstraction has 9262 states and 13239 transitions. [2019-09-10 08:22:11,311 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:22:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9262 states and 13239 transitions. [2019-09-10 08:22:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-09-10 08:22:11,313 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:11,313 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:11,313 INFO L418 AbstractCegarLoop]: === Iteration 44 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:11,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:11,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1032243921, now seen corresponding path program 1 times [2019-09-10 08:22:11,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:11,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:11,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:11,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:11,315 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:11,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:11,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:22:11,418 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:11,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:22:11,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:22:11,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:22:11,419 INFO L87 Difference]: Start difference. First operand 9262 states and 13239 transitions. Second operand 3 states. [2019-09-10 08:22:11,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:11,470 INFO L93 Difference]: Finished difference Result 17776 states and 25084 transitions. [2019-09-10 08:22:11,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:22:11,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-09-10 08:22:11,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:11,489 INFO L225 Difference]: With dead ends: 17776 [2019-09-10 08:22:11,489 INFO L226 Difference]: Without dead ends: 17776 [2019-09-10 08:22:11,489 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 [2019-09-10 08:22:11,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17776 states. [2019-09-10 08:22:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17776 to 17134. [2019-09-10 08:22:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17134 states. [2019-09-10 08:22:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17134 states to 17134 states and 24283 transitions. [2019-09-10 08:22:11,637 INFO L78 Accepts]: Start accepts. Automaton has 17134 states and 24283 transitions. Word has length 144 [2019-09-10 08:22:11,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:11,637 INFO L475 AbstractCegarLoop]: Abstraction has 17134 states and 24283 transitions. [2019-09-10 08:22:11,637 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:22:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 17134 states and 24283 transitions. [2019-09-10 08:22:11,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-10 08:22:11,638 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:11,638 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:11,638 INFO L418 AbstractCegarLoop]: === Iteration 45 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:11,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:11,639 INFO L82 PathProgramCache]: Analyzing trace with hash 897083338, now seen corresponding path program 1 times [2019-09-10 08:22:11,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:11,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:11,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:11,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:11,640 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:11,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:11,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:22:11,701 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:11,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:22:11,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:22:11,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:22:11,702 INFO L87 Difference]: Start difference. First operand 17134 states and 24283 transitions. Second operand 3 states. [2019-09-10 08:22:11,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:11,787 INFO L93 Difference]: Finished difference Result 32880 states and 45892 transitions. [2019-09-10 08:22:11,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:22:11,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-09-10 08:22:11,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:11,827 INFO L225 Difference]: With dead ends: 32880 [2019-09-10 08:22:11,827 INFO L226 Difference]: Without dead ends: 32880 [2019-09-10 08:22:11,827 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 [2019-09-10 08:22:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32880 states. [2019-09-10 08:22:12,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32880 to 31598. [2019-09-10 08:22:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31598 states. [2019-09-10 08:22:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31598 states to 31598 states and 44291 transitions. [2019-09-10 08:22:12,723 INFO L78 Accepts]: Start accepts. Automaton has 31598 states and 44291 transitions. Word has length 145 [2019-09-10 08:22:12,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:12,723 INFO L475 AbstractCegarLoop]: Abstraction has 31598 states and 44291 transitions. [2019-09-10 08:22:12,723 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:22:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 31598 states and 44291 transitions. [2019-09-10 08:22:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-10 08:22:12,724 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:12,725 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:12,725 INFO L418 AbstractCegarLoop]: === Iteration 46 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:12,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:12,725 INFO L82 PathProgramCache]: Analyzing trace with hash 691630939, now seen corresponding path program 1 times [2019-09-10 08:22:12,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:12,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:12,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:12,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:12,726 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:12,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:12,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:22:12,797 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:12,797 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:22:12,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:22:12,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:22:12,797 INFO L87 Difference]: Start difference. First operand 31598 states and 44291 transitions. Second operand 3 states. [2019-09-10 08:22:12,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:12,916 INFO L93 Difference]: Finished difference Result 60528 states and 83348 transitions. [2019-09-10 08:22:12,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:22:12,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-10 08:22:12,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:12,970 INFO L225 Difference]: With dead ends: 60528 [2019-09-10 08:22:12,970 INFO L226 Difference]: Without dead ends: 60528 [2019-09-10 08:22:12,971 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 [2019-09-10 08:22:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60528 states. [2019-09-10 08:22:14,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60528 to 57966. [2019-09-10 08:22:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57966 states. [2019-09-10 08:22:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57966 states to 57966 states and 80147 transitions. [2019-09-10 08:22:14,162 INFO L78 Accepts]: Start accepts. Automaton has 57966 states and 80147 transitions. Word has length 146 [2019-09-10 08:22:14,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:14,162 INFO L475 AbstractCegarLoop]: Abstraction has 57966 states and 80147 transitions. [2019-09-10 08:22:14,162 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:22:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 57966 states and 80147 transitions. [2019-09-10 08:22:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-10 08:22:14,163 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:14,163 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:14,163 INFO L418 AbstractCegarLoop]: === Iteration 47 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:14,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1419593903, now seen corresponding path program 1 times [2019-09-10 08:22:14,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:14,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:14,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:14,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:14,164 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:14,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:22:14,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:22:14,236 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:22:14,236 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:22:14,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:22:14,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:22:14,237 INFO L87 Difference]: Start difference. First operand 57966 states and 80147 transitions. Second operand 3 states. [2019-09-10 08:22:14,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:14,452 INFO L93 Difference]: Finished difference Result 81981 states and 112386 transitions. [2019-09-10 08:22:14,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:22:14,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-09-10 08:22:14,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:15,580 INFO L225 Difference]: With dead ends: 81981 [2019-09-10 08:22:15,580 INFO L226 Difference]: Without dead ends: 81981 [2019-09-10 08:22:15,580 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 [2019-09-10 08:22:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81981 states. [2019-09-10 08:22:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81981 to 78519. [2019-09-10 08:22:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78519 states. [2019-09-10 08:22:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78519 states to 78519 states and 108060 transitions. [2019-09-10 08:22:16,311 INFO L78 Accepts]: Start accepts. Automaton has 78519 states and 108060 transitions. Word has length 147 [2019-09-10 08:22:16,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:16,312 INFO L475 AbstractCegarLoop]: Abstraction has 78519 states and 108060 transitions. [2019-09-10 08:22:16,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:22:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 78519 states and 108060 transitions. [2019-09-10 08:22:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-09-10 08:22:16,321 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:16,322 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:16,322 INFO L418 AbstractCegarLoop]: === Iteration 48 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:16,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:16,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1036797970, now seen corresponding path program 1 times [2019-09-10 08:22:16,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:16,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:16,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:16,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:16,324 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-10 08:22:16,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:22:16,504 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 08:22:16,505 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2019-09-10 08:22:16,509 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [51], [54], [57], [60], [63], [66], [69], [72], [75], [78], [81], [84], [87], [90], [93], [96], [99], [102], [105], [108], [111], [114], [117], [120], [123], [126], [130], [133], [136], [138], [142], [145], [148], [150], [154], [157], [160], [162], [166], [169], [172], [174], [178], [181], [184], [186], [190], [193], [196], [198], [201], [205], [208], [211], [215], [218], [221], [224], [227], [229], [232], [235], [238], [240], [243], [246], [249], [251], [254], [257], [260], [262], [265], [268], [271], [273], [276], [279], [282], [284], [286], [289], [292], [296], [298], [301], [302], [304], [307], [310], [318], [320], [323], [331], [333], [336], [344], [346], [349], [357], [359], [362], [370], [372], [375], [383], [385], [394], [396], [399], [402], [404], [419], [421], [424], [427], [429], [444], [446], [449], [452], [454], [469], [471], [474], [477], [479], [494], [496], [499], [502], [504], [519], [521], [524], [527], [529], [538], [543], [545], [548], [679], [680], [684], [685], [686] [2019-09-10 08:22:16,589 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 08:22:16,589 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 08:22:16,791 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 08:22:18,017 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 08:22:18,020 INFO L272 AbstractInterpreter]: Visited 163 different actions 1223 times. Merged at 61 different actions 913 times. Widened at 27 different actions 168 times. Performed 4175 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4175 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 151 fixpoints after 29 different actions. Largest state had 182 variables. [2019-09-10 08:22:18,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:18,027 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 08:22:18,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:22:18,027 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2019-09-10 08:22:18,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:18,060 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 08:22:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:18,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 18 conjunts are in the unsatisfiable core [2019-09-10 08:22:18,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 08:22:18,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:19,147 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 08:22:19,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:19,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:19,604 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:19,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:22,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:23,030 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 08:22:23,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 23 [2019-09-10 08:22:23,031 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 08:22:23,031 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-10 08:22:23,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-10 08:22:23,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-09-10 08:22:23,032 INFO L87 Difference]: Start difference. First operand 78519 states and 108060 transitions. Second operand 14 states. [2019-09-10 08:22:45,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:22:45,400 INFO L93 Difference]: Finished difference Result 532566 states and 725370 transitions. [2019-09-10 08:22:45,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-09-10 08:22:45,401 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 180 [2019-09-10 08:22:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:22:46,376 INFO L225 Difference]: With dead ends: 532566 [2019-09-10 08:22:46,377 INFO L226 Difference]: Without dead ends: 532566 [2019-09-10 08:22:46,379 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 275 SyntacticMatches, 70 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3803 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=1725, Invalid=6831, Unknown=0, NotChecked=0, Total=8556 [2019-09-10 08:22:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532566 states. [2019-09-10 08:22:55,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532566 to 282842. [2019-09-10 08:22:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282842 states. [2019-09-10 08:22:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282842 states to 282842 states and 386980 transitions. [2019-09-10 08:22:55,834 INFO L78 Accepts]: Start accepts. Automaton has 282842 states and 386980 transitions. Word has length 180 [2019-09-10 08:22:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:22:55,834 INFO L475 AbstractCegarLoop]: Abstraction has 282842 states and 386980 transitions. [2019-09-10 08:22:55,834 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-10 08:22:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 282842 states and 386980 transitions. [2019-09-10 08:22:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-10 08:22:55,865 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:22:55,865 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:22:55,866 INFO L418 AbstractCegarLoop]: === Iteration 49 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:22:55,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:55,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1530563048, now seen corresponding path program 1 times [2019-09-10 08:22:55,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:22:55,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:55,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:55,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:22:55,868 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:22:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:56,426 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:22:56,426 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 08:22:56,427 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2019-09-10 08:22:56,428 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [51], [54], [57], [60], [63], [66], [69], [72], [75], [78], [81], [84], [87], [90], [93], [96], [99], [102], [105], [108], [111], [114], [117], [120], [123], [126], [130], [133], [136], [138], [142], [145], [148], [150], [154], [157], [160], [162], [166], [169], [172], [174], [178], [181], [184], [186], [190], [193], [196], [198], [201], [205], [208], [211], [215], [218], [221], [224], [227], [229], [232], [235], [238], [240], [243], [246], [249], [251], [254], [257], [260], [262], [265], [268], [271], [273], [276], [279], [282], [284], [286], [289], [296], [298], [301], [302], [304], [307], [310], [318], [320], [323], [326], [331], [333], [336], [339], [344], [346], [349], [357], [359], [362], [370], [372], [375], [383], [385], [394], [396], [399], [402], [404], [419], [421], [424], [427], [429], [444], [446], [449], [452], [454], [462], [465], [471], [474], [477], [479], [487], [490], [496], [499], [502], [504], [519], [521], [524], [527], [529], [545], [548], [552], [679], [680], [684], [685], [686] [2019-09-10 08:22:56,443 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 08:22:56,443 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 08:22:56,494 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 08:22:58,220 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 08:22:58,222 INFO L272 AbstractInterpreter]: Visited 165 different actions 1149 times. Merged at 63 different actions 860 times. Widened at 24 different actions 162 times. Performed 3955 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3955 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 108 fixpoints after 23 different actions. Largest state had 182 variables. [2019-09-10 08:22:58,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:22:58,222 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 08:22:58,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:22:58,222 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-10 08:22:58,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:22:58,239 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 08:22:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:22:58,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-10 08:22:58,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 08:22:58,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:58,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:22:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:22:59,092 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 08:22:59,967 WARN L188 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-09-10 08:23:00,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:00,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:02,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:23:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:23:02,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 08:23:02,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2019-09-10 08:23:02,878 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 08:23:02,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-09-10 08:23:02,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-09-10 08:23:02,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1222, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:23:02,880 INFO L87 Difference]: Start difference. First operand 282842 states and 386980 transitions. Second operand 27 states. [2019-09-10 08:23:03,069 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-10 08:23:03,944 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 08:23:04,209 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 08:23:04,428 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 08:23:05,030 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 08:23:05,246 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 08:23:05,625 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-10 08:23:05,976 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 08:23:06,505 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 08:23:07,044 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-10 08:23:07,455 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-10 08:23:07,983 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:23:08,470 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:23:09,422 WARN L188 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:23:09,840 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:23:10,216 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:23:10,821 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:23:11,490 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 08:23:11,799 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:23:12,172 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-10 08:23:12,599 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:23:12,976 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:23:13,443 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:14,006 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-10 08:23:14,491 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-10 08:23:14,961 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-10 08:23:16,171 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:23:16,736 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-10 08:23:17,062 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:23:17,371 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-10 08:23:17,756 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:23:18,260 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:23:18,788 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:23:19,075 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:23:19,414 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-10 08:23:19,703 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:23:20,077 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:23:20,401 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:23:20,731 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:21,008 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:23:21,345 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:23:22,272 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:23:23,308 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:23:23,760 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:23:24,228 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:23:24,740 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:23:25,110 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:23:25,462 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:23:25,829 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:23:26,725 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:23:27,068 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:23:29,207 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:23:29,797 WARN L188 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:30,277 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:23:30,849 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:23:31,131 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:23:31,973 WARN L188 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:23:32,575 WARN L188 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:23:32,905 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:23:33,563 WARN L188 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:23:33,881 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:23:34,284 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:23:34,685 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:23:34,950 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:23:35,479 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-10 08:23:35,966 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:23:36,333 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:23:36,791 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2019-09-10 08:23:37,223 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-10 08:23:37,636 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-10 08:23:38,066 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:23:38,886 WARN L188 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:23:39,738 WARN L188 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:23:40,179 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:23:40,712 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:23:41,227 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:23:41,542 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:23:41,999 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:23:42,276 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:23:42,570 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:23:42,934 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:23:43,348 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:23:43,710 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:23:44,236 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 08:23:44,578 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:23:44,859 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:23:45,161 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:23:45,674 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-10 08:23:46,054 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:23:46,978 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:23:47,547 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:23:47,839 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-10 08:23:48,155 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 08:23:48,411 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:23:48,763 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:23:49,020 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 08:23:49,240 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-10 08:23:49,588 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:23:49,919 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:23:50,342 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:23:50,672 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:23:51,153 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 08:23:51,538 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:23:51,851 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 08:23:52,108 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:23:52,534 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:23:53,536 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:23:53,917 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:23:54,300 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:23:54,592 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-10 08:23:54,851 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-10 08:23:55,147 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-10 08:23:55,446 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:23:57,941 WARN L188 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:23:58,283 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:23:58,627 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:58,939 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:23:59,343 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-10 08:23:59,806 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:24:00,301 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:24:00,731 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:24:01,162 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:24:01,566 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:24:01,916 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:24:02,903 WARN L188 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 08:24:03,229 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:24:03,721 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:24:04,292 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:24:04,617 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:24:04,963 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:24:05,353 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-10 08:24:05,763 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:24:06,035 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-10 08:24:06,398 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:24:06,880 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:24:07,319 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:24:07,784 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:24:08,004 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 08:24:08,331 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:24:08,785 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:24:09,110 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:09,496 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:24:10,484 WARN L188 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:24:10,777 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-10 08:24:11,343 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 08:24:11,695 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:24:11,958 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-10 08:24:12,232 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-10 08:24:12,609 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:24:13,032 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:24:13,316 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:24:13,799 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:24:14,250 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-10 08:24:14,667 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-10 08:24:17,872 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:24:18,345 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:24:18,782 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:24:19,783 WARN L188 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:20,177 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:24:20,503 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:20,828 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:24:21,284 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:24:21,729 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:24:22,094 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:22,471 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:24:22,930 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:24:23,318 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:24:23,669 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:24:24,067 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:24:24,428 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:24:24,868 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:24:25,189 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:25,548 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:24:25,937 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:26,792 WARN L188 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:24:27,140 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:24:27,429 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:24:27,748 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:28,264 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:24:28,648 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:24:28,968 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:24:29,413 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:24:30,013 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:24:31,299 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:24:31,674 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:24:32,002 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:24:32,562 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:32,869 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:24:33,142 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:24:33,847 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:24:34,329 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:34,690 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:24:37,427 WARN L188 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:24:37,772 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:24:38,241 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 08:24:38,579 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:38,948 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:24:39,296 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:24:39,694 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:24:40,112 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:24:40,588 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:24:41,030 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:24:41,595 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:24:41,919 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:24:42,287 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:24:42,606 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:24:43,158 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:24:43,614 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:24:44,124 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:24:44,500 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:24:44,829 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:45,274 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:24:45,564 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:24:45,905 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:46,352 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-10 08:24:46,689 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:47,053 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:24:47,385 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:24:47,756 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-10 08:24:48,079 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:24:48,409 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:24:48,702 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:24:49,025 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:49,372 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:24:49,733 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:24:50,139 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:24:50,680 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 08:24:51,101 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 08:24:51,454 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:24:51,799 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:24:52,252 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:24:52,698 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:24:53,141 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:24:53,687 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:24:54,017 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:24:54,415 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 08:24:54,880 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:24:55,262 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:24:55,661 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:24:56,835 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:24:57,300 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:24:57,689 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-10 08:24:58,092 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 08:24:58,391 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:24:58,725 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:24:59,128 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:24:59,578 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:25:00,004 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:25:00,395 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:25:00,958 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:25:01,395 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:25:01,737 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:25:02,085 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:25:02,617 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:25:03,029 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:25:03,396 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:25:03,896 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:25:04,275 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:25:04,575 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:25:04,896 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:25:05,210 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:25:05,524 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:25:05,898 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:25:06,275 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:25:06,659 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-10 08:25:07,105 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:25:07,474 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-10 08:25:07,955 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:25:08,327 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:25:08,701 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:25:09,033 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:25:09,479 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:25:09,801 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:25:10,133 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:25:10,478 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:25:10,923 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:25:11,353 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:25:11,711 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:25:12,143 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:25:12,570 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:25:13,047 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:25:13,427 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:25:13,798 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:25:14,246 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 08:25:14,609 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:25:15,139 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:25:15,474 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:25:15,849 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:25:16,252 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:25:16,653 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:25:17,136 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 08:25:17,647 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:25:18,004 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:25:18,379 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:25:18,704 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:25:19,034 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:25:19,385 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:25:19,881 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 08:25:20,238 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:25:20,700 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:25:21,149 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:25:21,539 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:25:22,093 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:25:22,447 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-10 08:25:22,830 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-10 08:25:24,184 WARN L188 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:25:24,553 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 08:25:24,963 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2019-09-10 08:25:25,368 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:25:25,841 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:25:26,247 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-10 08:25:26,635 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-10 08:25:27,048 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:25:27,403 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:25:27,747 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2019-09-10 08:25:28,133 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:25:30,704 WARN L188 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:25:31,058 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:25:31,396 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:25:31,852 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:25:32,160 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:25:32,458 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:25:32,807 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:25:33,140 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:25:33,483 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:25:33,806 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:25:34,242 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:25:34,822 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:25:35,205 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:25:35,629 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-10 08:25:35,988 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:25:36,360 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:25:36,700 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:25:37,067 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:25:37,546 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:25:38,012 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-10 08:25:38,334 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:25:38,677 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:25:38,988 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:25:39,452 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:25:39,955 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:25:40,348 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:25:40,814 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:25:41,166 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:25:41,486 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:25:41,885 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:25:42,364 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:25:42,792 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 08:25:43,280 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:25:43,625 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:25:43,994 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:25:44,370 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:25:44,884 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 08:25:45,233 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:25:45,582 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:25:45,942 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:25:46,296 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:25:46,756 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:25:47,127 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:25:47,493 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:25:47,899 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:25:48,271 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:25:48,735 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:25:49,181 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:25:49,593 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:25:50,221 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:25:50,797 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:25:51,215 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:25:51,624 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-10 08:25:51,963 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:25:52,453 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 08:25:52,772 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:25:53,139 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:25:53,591 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:25:53,940 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:25:54,478 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:25:54,889 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:25:55,341 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:25:55,728 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:25:56,040 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:25:56,515 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:25:57,026 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:25:57,389 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:25:57,945 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:25:58,316 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:25:58,825 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:25:59,339 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:25:59,807 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:26:00,160 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:26:00,498 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:26:00,865 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:26:01,195 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:26:02,062 WARN L188 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:26:02,395 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:26:02,757 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:26:03,175 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:26:03,527 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:26:03,865 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:26:04,200 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:26:04,601 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:26:04,927 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:26:05,258 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:26:05,625 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:26:06,073 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:26:06,548 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:26:06,978 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:26:07,286 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:26:07,631 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:26:07,939 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:26:08,482 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:26:08,861 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:26:09,244 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:26:09,586 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:26:10,008 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:26:10,521 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:26:10,926 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:26:11,309 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:26:12,253 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:26:13,273 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:26:13,729 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:26:14,153 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:26:14,577 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:26:14,907 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:26:15,428 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 08:26:15,744 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:26:16,082 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:26:16,540 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:26:16,846 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:26:17,245 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:26:17,573 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:26:17,903 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:26:18,926 WARN L188 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:26:19,212 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:26:19,824 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:26:20,191 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:26:20,679 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:26:20,966 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:26:21,403 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:26:21,870 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:26:22,224 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:26:24,560 WARN L188 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:26:25,343 WARN L188 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 08:26:25,674 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:26:26,007 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:26:26,365 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:26:27,795 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:26:28,138 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:26:28,728 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:26:28,992 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:26:29,823 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:26:30,167 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:26:39,453 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:26:39,906 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:26:40,909 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:26:41,354 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:26:41,890 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:26:42,503 WARN L188 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:26:43,169 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:26:43,576 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-10 08:26:44,069 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:26:44,492 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:26:44,888 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:26:45,285 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:26:45,767 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:26:46,223 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:26:46,841 WARN L188 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:26:47,208 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:26:47,680 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:26:48,111 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:26:48,541 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:26:49,037 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:26:49,431 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:26:49,852 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:26:50,277 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:26:50,888 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:26:51,303 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:26:51,748 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2019-09-10 08:26:52,327 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:26:52,886 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:26:53,302 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:26:53,802 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:26:54,196 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:26:56,734 WARN L188 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-10 08:26:57,213 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-10 08:26:57,679 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:26:58,067 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:26:58,425 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:26:58,812 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-10 08:26:59,270 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:26:59,620 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:26:59,979 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:00,467 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:27:00,965 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:27:01,427 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:01,799 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:27:02,186 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:27:02,718 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:27:03,202 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:03,557 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:27:06,053 WARN L188 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:27:06,454 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:27:06,856 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:27:09,530 WARN L188 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:27:09,967 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-10 08:27:10,487 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-10 08:27:11,079 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:27:11,467 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 08:27:11,829 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:12,207 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:27:12,624 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:27:13,076 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:27:13,477 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:27:13,973 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:14,325 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:27:14,789 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:15,127 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:27:15,530 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:27:15,919 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:27:16,200 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:27:16,586 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:27:17,051 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:27:17,381 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:27:17,851 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:27:18,226 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:27:18,916 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:27:19,278 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:27:19,780 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:20,196 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:27:20,532 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:27:20,878 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:27:21,275 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:21,732 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:27:22,096 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:22,569 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:27:23,120 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:27:23,492 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:27:23,872 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:27:24,264 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:27:24,689 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2019-09-10 08:27:25,006 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:27:25,377 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:27:25,722 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:26,074 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:27:26,453 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:27:26,937 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-10 08:27:27,308 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:27:27,719 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:28,019 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:27:28,458 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:27:28,817 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:27:29,174 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:27:29,529 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:27:30,009 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:30,484 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 08:27:30,949 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:27:31,607 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:31,923 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:32,292 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:27:33,082 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:27:33,466 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:27:33,827 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:34,186 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:27:36,938 WARN L188 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:27:37,411 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:27:37,799 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:27:38,186 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:27:38,537 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:27:38,910 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:27:39,483 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:27:39,916 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:27:41,203 WARN L188 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:27:41,748 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:27:42,268 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-10 08:27:42,668 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:27:43,057 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:27:43,738 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:27:44,292 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:27:44,741 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:27:45,434 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:27:45,937 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:27:46,327 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:27:46,675 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:27:47,038 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:27:47,398 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:27:48,169 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:27:48,510 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:27:49,246 WARN L188 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:27:49,606 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:27:50,167 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:27:50,723 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:27:51,055 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:27:51,432 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:27:51,850 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:27:52,247 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:27:52,663 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:27:53,113 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:27:53,580 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:27:54,002 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:27:54,354 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:27:54,718 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-10 08:27:55,175 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:27:55,526 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:27:55,996 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:27:56,398 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-10 08:27:56,827 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:27:57,268 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:27:57,563 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:27:57,992 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:27:58,381 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:27:58,833 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:27:59,427 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:27:59,778 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:28:00,126 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:28:00,599 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-10 08:28:01,201 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:28:01,602 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:28:01,924 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-10 08:28:02,287 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:28:02,733 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:28:03,143 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:28:03,540 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:28:03,928 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:28:04,320 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:28:04,674 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:28:05,085 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:28:05,458 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:28:05,867 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:28:06,397 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:28:06,773 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:28:07,143 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:28:07,851 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:28:08,508 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:28:08,995 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:28:09,548 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:28:10,072 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 08:28:10,390 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-10 08:28:10,857 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:28:11,297 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:28:11,730 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:28:12,110 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:28:12,462 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:28:12,837 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:28:13,109 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:28:13,603 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:28:14,172 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:28:14,563 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:28:14,907 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:28:15,252 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:28:15,738 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:28:16,074 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:28:16,654 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:28:17,323 WARN L188 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:28:17,711 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:28:18,328 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:28:18,785 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:28:19,098 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:28:19,664 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:28:20,006 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:28:20,431 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:28:20,776 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:28:21,195 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:28:21,551 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:28:21,911 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:28:22,329 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:28:22,729 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:28:23,078 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:28:23,475 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:28:23,854 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:28:24,207 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:28:24,573 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:28:24,900 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 08:28:25,714 WARN L188 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:28:26,047 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:28:26,424 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:28:26,760 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:28:27,070 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:28:27,654 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:28:27,969 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:28:28,302 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:28:28,768 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:28:29,140 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:28:29,535 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-09-10 08:28:29,863 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:28:30,310 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-10 08:28:30,651 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:28:30,996 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-10 08:28:31,338 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:28:31,726 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:28:32,233 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:28:32,622 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:28:33,271 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:28:34,019 WARN L188 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:28:34,500 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:28:35,199 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:28:35,987 WARN L188 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:28:36,685 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:28:37,034 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:28:37,679 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:28:38,157 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:28:38,555 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:28:39,052 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:28:39,409 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:28:39,990 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:28:40,423 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2019-09-10 08:28:40,852 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:28:41,345 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:28:41,741 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:28:42,100 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:28:42,512 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:28:43,031 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:28:43,402 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:28:43,836 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-10 08:28:44,404 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:28:44,957 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:28:45,530 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:28:45,838 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:28:46,179 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:28:46,543 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:28:46,943 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 08:28:47,506 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:28:47,765 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:28:48,214 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:28:48,558 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:28:48,998 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:28:49,477 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:28:49,964 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:28:50,500 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:28:50,835 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:28:51,202 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:28:51,674 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:28:52,011 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:28:52,400 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:28:52,734 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:28:53,148 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:28:53,835 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:28:54,542 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:28:54,949 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:28:55,291 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:28:55,786 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:28:56,174 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:28:56,562 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:28:56,942 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:28:57,297 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:28:57,765 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-09-10 08:28:58,244 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:28:58,636 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:28:58,966 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:28:59,419 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:28:59,847 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:29:00,352 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:29:00,832 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:29:01,231 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:29:01,644 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:29:02,162 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:29:02,539 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:29:02,939 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-10 08:29:03,579 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:29:03,965 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:29:04,398 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:29:04,768 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:29:05,161 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:29:05,624 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:29:06,093 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:29:06,453 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:29:06,883 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-10 08:29:07,270 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:29:07,603 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:29:07,939 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:29:10,334 WARN L188 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:29:10,615 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:29:11,082 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:29:11,509 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:29:11,879 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:29:12,267 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:29:12,655 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-10 08:29:13,200 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:29:13,654 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:29:14,120 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-10 08:29:14,718 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:29:15,321 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:29:15,733 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:29:16,125 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:29:16,607 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:29:16,937 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-10 08:29:17,309 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:29:17,652 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:29:18,138 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:29:18,612 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:29:19,074 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 08:29:19,512 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:29:20,021 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:29:20,507 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 08:29:21,109 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 08:29:21,571 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 08:29:21,975 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:29:22,357 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 08:29:22,839 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:29:23,301 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:29:23,954 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:29:24,464 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-10 08:29:24,953 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:29:25,482 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:29:26,283 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:29:26,856 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:29:27,500 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:29:27,877 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:29:28,219 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:29:28,655 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:29:29,057 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:29:29,875 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:29:30,246 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:29:30,691 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:29:31,257 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:29:31,822 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-10 08:29:32,436 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 08:29:32,809 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:29:33,160 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:29:33,548 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:29:34,271 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:29:34,800 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:29:35,268 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:29:35,874 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:29:36,586 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-10 08:29:36,937 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:29:37,646 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 08:29:38,221 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-10 08:29:46,873 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 08:29:47,319 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:29:47,997 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:29:48,445 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:29:49,027 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:29:49,535 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:29:49,980 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:29:50,491 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:29:50,855 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:29:51,221 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:29:51,844 WARN L188 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:29:52,272 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-10 08:29:52,747 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-10 08:29:53,103 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:29:53,528 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:29:53,947 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:29:54,463 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:29:54,799 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:29:55,269 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:29:55,611 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:29:56,547 WARN L188 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 08:29:57,217 WARN L188 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:29:58,422 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-10 08:29:58,836 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:29:59,218 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:29:59,527 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:29:59,967 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:30:00,246 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:30:00,690 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:30:01,152 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:30:01,566 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:30:02,017 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:30:02,503 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:30:02,867 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:30:03,266 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-10 08:30:03,605 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:30:03,994 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-10 08:30:04,338 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:30:04,677 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:30:05,215 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:30:05,559 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:30:05,924 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:30:06,265 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:30:07,408 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:30:08,377 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 08:30:08,695 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-10 08:30:09,147 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-10 08:30:09,505 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:30:09,922 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 08:30:10,759 WARN L188 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:30:11,354 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:30:11,729 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:30:12,170 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:30:12,615 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 08:30:12,921 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:30:13,446 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 08:30:13,836 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:30:14,313 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:30:14,743 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:30:15,304 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:30:15,853 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-10 08:30:16,187 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:30:16,747 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:30:17,160 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:30:17,558 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:30:17,964 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:30:18,788 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 08:30:19,109 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:30:19,490 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:30:19,884 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:30:20,229 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:30:20,620 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:30:21,043 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:30:21,445 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:30:21,794 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:30:22,201 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:30:22,658 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:30:23,008 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:30:23,400 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85