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.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 07:47:48,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 07:47:48,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 07:47:48,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-10 07:47:48,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 07:47:48,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 07:47:48,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 07:47:48,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 07:47:48,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 07:47:48,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 07:47:48,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 07:47:48,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 07:47:48,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 07:47:48,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 07:47:48,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 07:47:48,387 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 07:47:48,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 07:47:48,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 07:47:48,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 07:47:48,402 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 07:47:48,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 07:47:48,403 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 07:47:48,404 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 07:47:48,404 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 07:47:48,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 07:47:48,404 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 07:47:48,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 07:47:48,405 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 07:47:48,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 07:47:48,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 07:47:48,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 07:47:48,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 07:47:48,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 07:47:48,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 07:47:48,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 07:47:48,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 07:47:48,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 07:47:48,407 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 07:47:48,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 07:47:48,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 07:47:48,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 07:47:48,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 07:47:48,408 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 07:47:48,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 07:47:48,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 07:47:48,409 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 07:47:48,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 07:47:48,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 07:47:48,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 07:47:48,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 07:47:48,486 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 07:47:48,487 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-10 07:47:48,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e0f3c35/1b467b5e915a488ca5a0ab44e0805ca8/FLAG03ddcef1b [2019-09-10 07:47:49,129 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 07:47:49,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-10 07:47:49,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e0f3c35/1b467b5e915a488ca5a0ab44e0805ca8/FLAG03ddcef1b [2019-09-10 07:47:49,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81e0f3c35/1b467b5e915a488ca5a0ab44e0805ca8 [2019-09-10 07:47:49,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 07:47:49,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 07:47:49,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 07:47:49,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 07:47:49,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 07:47:49,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:47:49" (1/1) ... [2019-09-10 07:47:49,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6681a6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:49, skipping insertion in model container [2019-09-10 07:47:49,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:47:49" (1/1) ... [2019-09-10 07:47:49,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 07:47:49,526 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 07:47:49,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 07:47:49,931 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 07:47:50,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 07:47:50,032 INFO L192 MainTranslator]: Completed translation [2019-09-10 07:47:50,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50 WrapperNode [2019-09-10 07:47:50,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 07:47:50,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 07:47:50,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 07:47:50,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 07:47:50,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (1/1) ... [2019-09-10 07:47:50,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (1/1) ... [2019-09-10 07:47:50,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (1/1) ... [2019-09-10 07:47:50,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (1/1) ... [2019-09-10 07:47:50,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (1/1) ... [2019-09-10 07:47:50,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (1/1) ... [2019-09-10 07:47:50,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (1/1) ... [2019-09-10 07:47:50,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 07:47:50,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 07:47:50,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 07:47:50,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 07:47:50,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (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 07:47:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 07:47:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 07:47:50,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 07:47:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 07:47:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 07:47:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 07:47:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-10 07:47:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 07:47:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-10 07:47:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-10 07:47:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-10 07:47:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-10 07:47:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-10 07:47:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-10 07:47:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-10 07:47:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-10 07:47:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 07:47:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 07:47:50,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 07:47:50,950 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 07:47:50,950 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 07:47:50,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:47:50 BoogieIcfgContainer [2019-09-10 07:47:50,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 07:47:50,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 07:47:50,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 07:47:50,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 07:47:50,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 07:47:49" (1/3) ... [2019-09-10 07:47:50,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190d5ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 07:47:50, skipping insertion in model container [2019-09-10 07:47:50,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:47:50" (2/3) ... [2019-09-10 07:47:50,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190d5ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 07:47:50, skipping insertion in model container [2019-09-10 07:47:50,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:47:50" (3/3) ... [2019-09-10 07:47:50,960 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-10 07:47:50,970 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 07:47:51,000 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 07:47:51,019 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 07:47:51,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 07:47:51,041 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 07:47:51,041 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 07:47:51,041 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 07:47:51,042 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 07:47:51,042 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 07:47:51,042 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 07:47:51,042 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 07:47:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-09-10 07:47:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-10 07:47:51,070 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:51,071 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:51,073 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:51,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:51,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1740828336, now seen corresponding path program 1 times [2019-09-10 07:47:51,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:51,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:51,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:51,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:51,136 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:51,552 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 07:47:51,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:51,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 07:47:51,573 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:51,581 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 07:47:51,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 07:47:51,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 07:47:51,601 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2019-09-10 07:47:51,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:51,726 INFO L93 Difference]: Finished difference Result 195 states and 319 transitions. [2019-09-10 07:47:51,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 07:47:51,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-09-10 07:47:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:51,754 INFO L225 Difference]: With dead ends: 195 [2019-09-10 07:47:51,754 INFO L226 Difference]: Without dead ends: 187 [2019-09-10 07:47:51,758 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 07:47:51,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-09-10 07:47:51,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2019-09-10 07:47:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-09-10 07:47:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 264 transitions. [2019-09-10 07:47:51,816 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 264 transitions. Word has length 66 [2019-09-10 07:47:51,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:51,817 INFO L475 AbstractCegarLoop]: Abstraction has 185 states and 264 transitions. [2019-09-10 07:47:51,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 07:47:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 264 transitions. [2019-09-10 07:47:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-10 07:47:51,820 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:51,820 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:51,820 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:51,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:51,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1313317093, now seen corresponding path program 1 times [2019-09-10 07:47:51,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:51,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:51,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:51,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:51,824 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:52,031 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 07:47:52,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:52,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 07:47:52,032 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:52,034 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:47:52,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:47:52,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 07:47:52,034 INFO L87 Difference]: Start difference. First operand 185 states and 264 transitions. Second operand 5 states. [2019-09-10 07:47:52,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:52,235 INFO L93 Difference]: Finished difference Result 185 states and 261 transitions. [2019-09-10 07:47:52,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 07:47:52,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-09-10 07:47:52,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:52,238 INFO L225 Difference]: With dead ends: 185 [2019-09-10 07:47:52,238 INFO L226 Difference]: Without dead ends: 185 [2019-09-10 07:47:52,239 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 07:47:52,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-09-10 07:47:52,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-09-10 07:47:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-09-10 07:47:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 261 transitions. [2019-09-10 07:47:52,256 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 261 transitions. Word has length 68 [2019-09-10 07:47:52,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:52,256 INFO L475 AbstractCegarLoop]: Abstraction has 185 states and 261 transitions. [2019-09-10 07:47:52,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:47:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 261 transitions. [2019-09-10 07:47:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-10 07:47:52,259 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:52,259 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] [2019-09-10 07:47:52,260 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:52,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:52,260 INFO L82 PathProgramCache]: Analyzing trace with hash -78645371, now seen corresponding path program 1 times [2019-09-10 07:47:52,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:52,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:52,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:52,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:52,263 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:52,420 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 07:47:52,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:52,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 07:47:52,421 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:52,423 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:47:52,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:47:52,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 07:47:52,424 INFO L87 Difference]: Start difference. First operand 185 states and 261 transitions. Second operand 5 states. [2019-09-10 07:47:52,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:52,599 INFO L93 Difference]: Finished difference Result 185 states and 258 transitions. [2019-09-10 07:47:52,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 07:47:52,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-10 07:47:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:52,603 INFO L225 Difference]: With dead ends: 185 [2019-09-10 07:47:52,603 INFO L226 Difference]: Without dead ends: 185 [2019-09-10 07:47:52,607 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 07:47:52,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-09-10 07:47:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-09-10 07:47:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-09-10 07:47:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 258 transitions. [2019-09-10 07:47:52,634 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 258 transitions. Word has length 69 [2019-09-10 07:47:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:52,635 INFO L475 AbstractCegarLoop]: Abstraction has 185 states and 258 transitions. [2019-09-10 07:47:52,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:47:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 258 transitions. [2019-09-10 07:47:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 07:47:52,644 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:52,644 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:52,647 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:52,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:52,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1001586053, now seen corresponding path program 1 times [2019-09-10 07:47:52,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:52,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:52,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:52,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:52,651 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:52,856 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 07:47:52,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:52,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 07:47:52,857 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:52,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 07:47:52,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 07:47:52,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-10 07:47:52,859 INFO L87 Difference]: Start difference. First operand 185 states and 258 transitions. Second operand 6 states. [2019-09-10 07:47:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:53,092 INFO L93 Difference]: Finished difference Result 281 states and 399 transitions. [2019-09-10 07:47:53,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 07:47:53,093 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-10 07:47:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:53,096 INFO L225 Difference]: With dead ends: 281 [2019-09-10 07:47:53,096 INFO L226 Difference]: Without dead ends: 281 [2019-09-10 07:47:53,097 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-09-10 07:47:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-09-10 07:47:53,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2019-09-10 07:47:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-09-10 07:47:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2019-09-10 07:47:53,125 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 70 [2019-09-10 07:47:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:53,125 INFO L475 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2019-09-10 07:47:53,125 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 07:47:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2019-09-10 07:47:53,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-10 07:47:53,133 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:53,136 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:53,137 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:53,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:53,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1407383114, now seen corresponding path program 1 times [2019-09-10 07:47:53,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:53,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:53,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:53,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:53,143 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:53,268 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 07:47:53,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:53,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 07:47:53,269 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:53,270 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:47:53,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:47:53,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 07:47:53,272 INFO L87 Difference]: Start difference. First operand 279 states and 398 transitions. Second operand 5 states. [2019-09-10 07:47:53,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:53,433 INFO L93 Difference]: Finished difference Result 279 states and 393 transitions. [2019-09-10 07:47:53,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 07:47:53,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-09-10 07:47:53,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:53,436 INFO L225 Difference]: With dead ends: 279 [2019-09-10 07:47:53,436 INFO L226 Difference]: Without dead ends: 279 [2019-09-10 07:47:53,436 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 07:47:53,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-09-10 07:47:53,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2019-09-10 07:47:53,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-09-10 07:47:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 393 transitions. [2019-09-10 07:47:53,448 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 393 transitions. Word has length 71 [2019-09-10 07:47:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:53,449 INFO L475 AbstractCegarLoop]: Abstraction has 279 states and 393 transitions. [2019-09-10 07:47:53,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:47:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 393 transitions. [2019-09-10 07:47:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 07:47:53,450 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:53,451 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:53,451 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:53,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:53,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1356671875, now seen corresponding path program 1 times [2019-09-10 07:47:53,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:53,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:53,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:53,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:53,454 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:53,598 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 07:47:53,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:53,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 07:47:53,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:53,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 07:47:53,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 07:47:53,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-10 07:47:53,602 INFO L87 Difference]: Start difference. First operand 279 states and 393 transitions. Second operand 6 states. [2019-09-10 07:47:53,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:53,772 INFO L93 Difference]: Finished difference Result 920 states and 1347 transitions. [2019-09-10 07:47:53,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 07:47:53,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-09-10 07:47:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:53,780 INFO L225 Difference]: With dead ends: 920 [2019-09-10 07:47:53,780 INFO L226 Difference]: Without dead ends: 920 [2019-09-10 07:47:53,781 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-09-10 07:47:53,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2019-09-10 07:47:53,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 376. [2019-09-10 07:47:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-09-10 07:47:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 540 transitions. [2019-09-10 07:47:53,814 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 540 transitions. Word has length 72 [2019-09-10 07:47:53,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:53,815 INFO L475 AbstractCegarLoop]: Abstraction has 376 states and 540 transitions. [2019-09-10 07:47:53,815 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 07:47:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 540 transitions. [2019-09-10 07:47:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 07:47:53,816 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:53,816 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:53,816 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:53,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:53,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1297238062, now seen corresponding path program 1 times [2019-09-10 07:47:53,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:53,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:53,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:53,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:53,819 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:53,922 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 07:47:53,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:53,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 07:47:53,922 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:53,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:47:53,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:47:53,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 07:47:53,924 INFO L87 Difference]: Start difference. First operand 376 states and 540 transitions. Second operand 5 states. [2019-09-10 07:47:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:54,008 INFO L93 Difference]: Finished difference Result 717 states and 1048 transitions. [2019-09-10 07:47:54,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 07:47:54,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-09-10 07:47:54,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:54,014 INFO L225 Difference]: With dead ends: 717 [2019-09-10 07:47:54,014 INFO L226 Difference]: Without dead ends: 717 [2019-09-10 07:47:54,014 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 07:47:54,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-09-10 07:47:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 589. [2019-09-10 07:47:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-09-10 07:47:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 862 transitions. [2019-09-10 07:47:54,033 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 862 transitions. Word has length 72 [2019-09-10 07:47:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:54,033 INFO L475 AbstractCegarLoop]: Abstraction has 589 states and 862 transitions. [2019-09-10 07:47:54,033 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:47:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 862 transitions. [2019-09-10 07:47:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 07:47:54,035 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:54,035 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:54,035 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:54,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:54,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1086026633, now seen corresponding path program 1 times [2019-09-10 07:47:54,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:54,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:54,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,038 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:54,100 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 07:47:54,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:54,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 07:47:54,101 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:54,102 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 07:47:54,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 07:47:54,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 07:47:54,103 INFO L87 Difference]: Start difference. First operand 589 states and 862 transitions. Second operand 3 states. [2019-09-10 07:47:54,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:54,130 INFO L93 Difference]: Finished difference Result 1008 states and 1458 transitions. [2019-09-10 07:47:54,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 07:47:54,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-09-10 07:47:54,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:54,136 INFO L225 Difference]: With dead ends: 1008 [2019-09-10 07:47:54,136 INFO L226 Difference]: Without dead ends: 1008 [2019-09-10 07:47:54,137 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 07:47:54,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-09-10 07:47:54,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 1006. [2019-09-10 07:47:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2019-09-10 07:47:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1457 transitions. [2019-09-10 07:47:54,164 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1457 transitions. Word has length 72 [2019-09-10 07:47:54,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:54,164 INFO L475 AbstractCegarLoop]: Abstraction has 1006 states and 1457 transitions. [2019-09-10 07:47:54,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 07:47:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1457 transitions. [2019-09-10 07:47:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 07:47:54,166 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:54,166 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:54,166 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:54,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:54,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1254792648, now seen corresponding path program 1 times [2019-09-10 07:47:54,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:54,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:54,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,168 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:54,225 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 07:47:54,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:54,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 07:47:54,226 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:54,226 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 07:47:54,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 07:47:54,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 07:47:54,227 INFO L87 Difference]: Start difference. First operand 1006 states and 1457 transitions. Second operand 3 states. [2019-09-10 07:47:54,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:54,290 INFO L93 Difference]: Finished difference Result 1188 states and 1714 transitions. [2019-09-10 07:47:54,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 07:47:54,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-09-10 07:47:54,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:54,298 INFO L225 Difference]: With dead ends: 1188 [2019-09-10 07:47:54,298 INFO L226 Difference]: Without dead ends: 1188 [2019-09-10 07:47:54,300 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 07:47:54,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2019-09-10 07:47:54,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1186. [2019-09-10 07:47:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2019-09-10 07:47:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1713 transitions. [2019-09-10 07:47:54,338 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1713 transitions. Word has length 72 [2019-09-10 07:47:54,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:54,338 INFO L475 AbstractCegarLoop]: Abstraction has 1186 states and 1713 transitions. [2019-09-10 07:47:54,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 07:47:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1713 transitions. [2019-09-10 07:47:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 07:47:54,339 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:54,340 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:54,340 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:54,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:54,341 INFO L82 PathProgramCache]: Analyzing trace with hash -316518681, now seen corresponding path program 1 times [2019-09-10 07:47:54,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:54,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:54,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,345 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:54,507 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 07:47:54,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:54,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 07:47:54,508 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:54,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 07:47:54,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 07:47:54,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 07:47:54,512 INFO L87 Difference]: Start difference. First operand 1186 states and 1713 transitions. Second operand 6 states. [2019-09-10 07:47:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:54,663 INFO L93 Difference]: Finished difference Result 3192 states and 4633 transitions. [2019-09-10 07:47:54,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 07:47:54,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-09-10 07:47:54,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:54,687 INFO L225 Difference]: With dead ends: 3192 [2019-09-10 07:47:54,688 INFO L226 Difference]: Without dead ends: 3192 [2019-09-10 07:47:54,689 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-10 07:47:54,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3192 states. [2019-09-10 07:47:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 1731. [2019-09-10 07:47:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2019-09-10 07:47:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2506 transitions. [2019-09-10 07:47:54,754 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2506 transitions. Word has length 72 [2019-09-10 07:47:54,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:54,754 INFO L475 AbstractCegarLoop]: Abstraction has 1731 states and 2506 transitions. [2019-09-10 07:47:54,754 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 07:47:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2506 transitions. [2019-09-10 07:47:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 07:47:54,755 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:54,756 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:54,757 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:54,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:54,757 INFO L82 PathProgramCache]: Analyzing trace with hash -413972804, now seen corresponding path program 1 times [2019-09-10 07:47:54,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:54,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:54,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:54,759 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:54,855 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 07:47:54,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:54,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 07:47:54,856 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:54,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:47:54,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:47:54,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 07:47:54,859 INFO L87 Difference]: Start difference. First operand 1731 states and 2506 transitions. Second operand 5 states. [2019-09-10 07:47:54,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:54,950 INFO L93 Difference]: Finished difference Result 2176 states and 3151 transitions. [2019-09-10 07:47:54,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 07:47:54,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-09-10 07:47:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:54,961 INFO L225 Difference]: With dead ends: 2176 [2019-09-10 07:47:54,962 INFO L226 Difference]: Without dead ends: 2176 [2019-09-10 07:47:54,963 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 07:47:54,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2019-09-10 07:47:55,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1923. [2019-09-10 07:47:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-10 07:47:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2788 transitions. [2019-09-10 07:47:55,024 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2788 transitions. Word has length 72 [2019-09-10 07:47:55,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:55,024 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2788 transitions. [2019-09-10 07:47:55,025 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:47:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2788 transitions. [2019-09-10 07:47:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-10 07:47:55,026 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:55,026 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:55,026 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:55,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:55,027 INFO L82 PathProgramCache]: Analyzing trace with hash -534576289, now seen corresponding path program 1 times [2019-09-10 07:47:55,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:55,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:55,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:55,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:55,029 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:55,307 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 07:47:55,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:55,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 07:47:55,308 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:55,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 07:47:55,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 07:47:55,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 07:47:55,310 INFO L87 Difference]: Start difference. First operand 1923 states and 2788 transitions. Second operand 10 states. [2019-09-10 07:47:56,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:56,212 INFO L93 Difference]: Finished difference Result 3832 states and 5529 transitions. [2019-09-10 07:47:56,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 07:47:56,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2019-09-10 07:47:56,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:56,235 INFO L225 Difference]: With dead ends: 3832 [2019-09-10 07:47:56,236 INFO L226 Difference]: Without dead ends: 3832 [2019-09-10 07:47:56,236 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 07:47:56,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2019-09-10 07:47:56,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 1923. [2019-09-10 07:47:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-10 07:47:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2783 transitions. [2019-09-10 07:47:56,321 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2783 transitions. Word has length 73 [2019-09-10 07:47:56,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:56,321 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2783 transitions. [2019-09-10 07:47:56,321 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 07:47:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2783 transitions. [2019-09-10 07:47:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-10 07:47:56,326 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:56,326 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:56,326 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:56,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:56,327 INFO L82 PathProgramCache]: Analyzing trace with hash -558530542, now seen corresponding path program 1 times [2019-09-10 07:47:56,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:56,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:56,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:56,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:56,329 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:56,564 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 07:47:56,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:56,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 07:47:56,565 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:56,565 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 07:47:56,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 07:47:56,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 07:47:56,566 INFO L87 Difference]: Start difference. First operand 1923 states and 2783 transitions. Second operand 10 states. [2019-09-10 07:47:57,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:57,307 INFO L93 Difference]: Finished difference Result 3842 states and 5539 transitions. [2019-09-10 07:47:57,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 07:47:57,308 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2019-09-10 07:47:57,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:57,326 INFO L225 Difference]: With dead ends: 3842 [2019-09-10 07:47:57,326 INFO L226 Difference]: Without dead ends: 3842 [2019-09-10 07:47:57,327 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 07:47:57,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3842 states. [2019-09-10 07:47:57,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3842 to 1923. [2019-09-10 07:47:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-10 07:47:57,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2779 transitions. [2019-09-10 07:47:57,387 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2779 transitions. Word has length 74 [2019-09-10 07:47:57,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:57,387 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2779 transitions. [2019-09-10 07:47:57,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 07:47:57,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2779 transitions. [2019-09-10 07:47:57,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-10 07:47:57,389 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:57,389 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:57,389 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:57,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:57,390 INFO L82 PathProgramCache]: Analyzing trace with hash 722788903, now seen corresponding path program 1 times [2019-09-10 07:47:57,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:57,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:57,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:57,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:57,392 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:57,599 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 07:47:57,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:57,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 07:47:57,600 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:57,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 07:47:57,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 07:47:57,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 07:47:57,601 INFO L87 Difference]: Start difference. First operand 1923 states and 2779 transitions. Second operand 9 states. [2019-09-10 07:47:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:58,086 INFO L93 Difference]: Finished difference Result 2834 states and 4103 transitions. [2019-09-10 07:47:58,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 07:47:58,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2019-09-10 07:47:58,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:58,099 INFO L225 Difference]: With dead ends: 2834 [2019-09-10 07:47:58,100 INFO L226 Difference]: Without dead ends: 2834 [2019-09-10 07:47:58,101 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-09-10 07:47:58,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2019-09-10 07:47:58,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 1923. [2019-09-10 07:47:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-10 07:47:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2778 transitions. [2019-09-10 07:47:58,149 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2778 transitions. Word has length 74 [2019-09-10 07:47:58,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:58,150 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2778 transitions. [2019-09-10 07:47:58,150 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 07:47:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2778 transitions. [2019-09-10 07:47:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-10 07:47:58,151 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:58,152 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:47:58,152 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:58,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:58,152 INFO L82 PathProgramCache]: Analyzing trace with hash 551115414, now seen corresponding path program 1 times [2019-09-10 07:47:58,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:58,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:58,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:58,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:58,155 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:47:58,418 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 07:47:58,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:47:58,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 07:47:58,419 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:47:58,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 07:47:58,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 07:47:58,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-10 07:47:58,420 INFO L87 Difference]: Start difference. First operand 1923 states and 2778 transitions. Second operand 10 states. [2019-09-10 07:47:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:47:59,340 INFO L93 Difference]: Finished difference Result 3847 states and 5543 transitions. [2019-09-10 07:47:59,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 07:47:59,341 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2019-09-10 07:47:59,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:47:59,359 INFO L225 Difference]: With dead ends: 3847 [2019-09-10 07:47:59,359 INFO L226 Difference]: Without dead ends: 3847 [2019-09-10 07:47:59,361 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-09-10 07:47:59,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2019-09-10 07:47:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 1923. [2019-09-10 07:47:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1923 states. [2019-09-10 07:47:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 2776 transitions. [2019-09-10 07:47:59,423 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 2776 transitions. Word has length 75 [2019-09-10 07:47:59,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:47:59,423 INFO L475 AbstractCegarLoop]: Abstraction has 1923 states and 2776 transitions. [2019-09-10 07:47:59,423 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 07:47:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2776 transitions. [2019-09-10 07:47:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-10 07:47:59,424 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:47:59,425 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] [2019-09-10 07:47:59,425 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:47:59,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:47:59,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1743128931, now seen corresponding path program 1 times [2019-09-10 07:47:59,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:47:59,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:59,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:47:59,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:47:59,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:47:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:01,116 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 07:48:01,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:01,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-10 07:48:01,117 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:01,117 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-10 07:48:01,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-10 07:48:01,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2019-09-10 07:48:01,118 INFO L87 Difference]: Start difference. First operand 1923 states and 2776 transitions. Second operand 24 states. [2019-09-10 07:48:01,293 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-10 07:48:02,004 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-10 07:48:02,161 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-10 07:48:02,371 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-10 07:48:02,636 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-10 07:48:02,921 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-10 07:48:03,305 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 07:48:03,750 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-10 07:48:04,313 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 120 [2019-09-10 07:48:04,565 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-10 07:48:04,819 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-10 07:48:05,053 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 07:48:05,590 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-10 07:48:05,963 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-10 07:48:06,321 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-10 07:48:06,662 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-10 07:48:08,309 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-10 07:48:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:08,733 INFO L93 Difference]: Finished difference Result 8346 states and 12126 transitions. [2019-09-10 07:48:08,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-09-10 07:48:08,734 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 76 [2019-09-10 07:48:08,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:08,783 INFO L225 Difference]: With dead ends: 8346 [2019-09-10 07:48:08,786 INFO L226 Difference]: Without dead ends: 8346 [2019-09-10 07:48:08,787 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=513, Invalid=2037, Unknown=0, NotChecked=0, Total=2550 [2019-09-10 07:48:08,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2019-09-10 07:48:08,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 1948. [2019-09-10 07:48:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2019-09-10 07:48:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2807 transitions. [2019-09-10 07:48:08,883 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2807 transitions. Word has length 76 [2019-09-10 07:48:08,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:08,883 INFO L475 AbstractCegarLoop]: Abstraction has 1948 states and 2807 transitions. [2019-09-10 07:48:08,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-10 07:48:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2807 transitions. [2019-09-10 07:48:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-10 07:48:08,884 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:08,885 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] [2019-09-10 07:48:08,885 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:08,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:08,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1066393092, now seen corresponding path program 1 times [2019-09-10 07:48:08,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:08,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:08,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:08,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:08,887 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:09,882 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 07:48:09,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:09,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 07:48:09,883 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:09,883 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 07:48:09,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 07:48:09,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-10 07:48:09,884 INFO L87 Difference]: Start difference. First operand 1948 states and 2807 transitions. Second operand 19 states. [2019-09-10 07:48:10,448 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-10 07:48:10,654 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-10 07:48:11,055 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:48:11,500 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-10 07:48:11,699 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-10 07:48:12,059 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-10 07:48:12,343 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-10 07:48:12,509 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-10 07:48:12,754 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-10 07:48:13,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:13,549 INFO L93 Difference]: Finished difference Result 9382 states and 13652 transitions. [2019-09-10 07:48:13,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 07:48:13,549 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 76 [2019-09-10 07:48:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:13,569 INFO L225 Difference]: With dead ends: 9382 [2019-09-10 07:48:13,569 INFO L226 Difference]: Without dead ends: 9382 [2019-09-10 07:48:13,570 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 07:48:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9382 states. [2019-09-10 07:48:13,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9382 to 1943. [2019-09-10 07:48:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1943 states. [2019-09-10 07:48:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2796 transitions. [2019-09-10 07:48:13,652 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2796 transitions. Word has length 76 [2019-09-10 07:48:13,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:13,652 INFO L475 AbstractCegarLoop]: Abstraction has 1943 states and 2796 transitions. [2019-09-10 07:48:13,652 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 07:48:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2796 transitions. [2019-09-10 07:48:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-10 07:48:13,654 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:13,654 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:48:13,654 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:13,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:13,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1096969605, now seen corresponding path program 1 times [2019-09-10 07:48:13,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:13,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:13,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:13,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:13,657 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:15,018 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 07:48:15,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:15,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-09-10 07:48:15,019 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:15,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-10 07:48:15,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-10 07:48:15,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2019-09-10 07:48:15,020 INFO L87 Difference]: Start difference. First operand 1943 states and 2796 transitions. Second operand 22 states. [2019-09-10 07:48:15,930 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2019-09-10 07:48:16,126 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2019-09-10 07:48:16,434 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2019-09-10 07:48:16,737 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2019-09-10 07:48:17,081 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 85 [2019-09-10 07:48:17,281 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 07:48:17,487 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 07:48:17,755 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 07:48:17,960 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-10 07:48:18,187 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-10 07:48:18,539 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-10 07:48:18,773 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-10 07:48:21,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:21,192 INFO L93 Difference]: Finished difference Result 8325 states and 12093 transitions. [2019-09-10 07:48:21,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-09-10 07:48:21,193 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 76 [2019-09-10 07:48:21,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:21,221 INFO L225 Difference]: With dead ends: 8325 [2019-09-10 07:48:21,222 INFO L226 Difference]: Without dead ends: 8325 [2019-09-10 07:48:21,224 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=397, Invalid=1409, Unknown=0, NotChecked=0, Total=1806 [2019-09-10 07:48:21,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8325 states. [2019-09-10 07:48:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8325 to 1948. [2019-09-10 07:48:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2019-09-10 07:48:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2801 transitions. [2019-09-10 07:48:21,297 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2801 transitions. Word has length 76 [2019-09-10 07:48:21,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:21,297 INFO L475 AbstractCegarLoop]: Abstraction has 1948 states and 2801 transitions. [2019-09-10 07:48:21,297 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-10 07:48:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2801 transitions. [2019-09-10 07:48:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 07:48:21,298 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:21,299 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:48:21,299 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:21,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:21,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1433675777, now seen corresponding path program 1 times [2019-09-10 07:48:21,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:21,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:21,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:21,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:21,303 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:21,876 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 07:48:21,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:21,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 07:48:21,877 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:21,878 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 07:48:21,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 07:48:21,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-10 07:48:21,880 INFO L87 Difference]: Start difference. First operand 1948 states and 2801 transitions. Second operand 13 states. [2019-09-10 07:48:22,301 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2019-09-10 07:48:22,466 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-09-10 07:48:22,661 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-09-10 07:48:22,821 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-10 07:48:23,136 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-09-10 07:48:23,405 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-09-10 07:48:23,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:23,672 INFO L93 Difference]: Finished difference Result 7381 states and 10728 transitions. [2019-09-10 07:48:23,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 07:48:23,672 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2019-09-10 07:48:23,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:23,690 INFO L225 Difference]: With dead ends: 7381 [2019-09-10 07:48:23,691 INFO L226 Difference]: Without dead ends: 7381 [2019-09-10 07:48:23,692 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2019-09-10 07:48:23,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-09-10 07:48:23,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 1925. [2019-09-10 07:48:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1925 states. [2019-09-10 07:48:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2771 transitions. [2019-09-10 07:48:23,758 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2771 transitions. Word has length 77 [2019-09-10 07:48:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:23,759 INFO L475 AbstractCegarLoop]: Abstraction has 1925 states and 2771 transitions. [2019-09-10 07:48:23,759 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 07:48:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2771 transitions. [2019-09-10 07:48:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 07:48:23,760 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:23,760 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] [2019-09-10 07:48:23,761 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:23,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:23,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1127829965, now seen corresponding path program 1 times [2019-09-10 07:48:23,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:23,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:23,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:23,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:23,763 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:23,839 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 07:48:23,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:23,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 07:48:23,839 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:23,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 07:48:23,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 07:48:23,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-10 07:48:23,842 INFO L87 Difference]: Start difference. First operand 1925 states and 2771 transitions. Second operand 4 states. [2019-09-10 07:48:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:23,871 INFO L93 Difference]: Finished difference Result 2781 states and 3998 transitions. [2019-09-10 07:48:23,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 07:48:23,872 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2019-09-10 07:48:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:23,877 INFO L225 Difference]: With dead ends: 2781 [2019-09-10 07:48:23,878 INFO L226 Difference]: Without dead ends: 2781 [2019-09-10 07:48:23,878 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 07:48:23,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2019-09-10 07:48:23,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2779. [2019-09-10 07:48:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2019-09-10 07:48:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3997 transitions. [2019-09-10 07:48:23,916 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3997 transitions. Word has length 77 [2019-09-10 07:48:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:23,916 INFO L475 AbstractCegarLoop]: Abstraction has 2779 states and 3997 transitions. [2019-09-10 07:48:23,916 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 07:48:23,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3997 transitions. [2019-09-10 07:48:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 07:48:23,917 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:23,917 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:48:23,918 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:23,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:23,918 INFO L82 PathProgramCache]: Analyzing trace with hash -351296585, now seen corresponding path program 1 times [2019-09-10 07:48:23,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:23,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:23,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:23,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:23,921 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:24,015 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 07:48:24,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:24,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 07:48:24,015 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:24,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:48:24,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:48:24,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 07:48:24,016 INFO L87 Difference]: Start difference. First operand 2779 states and 3997 transitions. Second operand 5 states. [2019-09-10 07:48:24,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:24,065 INFO L93 Difference]: Finished difference Result 4274 states and 6130 transitions. [2019-09-10 07:48:24,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 07:48:24,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-10 07:48:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:24,073 INFO L225 Difference]: With dead ends: 4274 [2019-09-10 07:48:24,074 INFO L226 Difference]: Without dead ends: 4274 [2019-09-10 07:48:24,074 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 07:48:24,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2019-09-10 07:48:24,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 2799. [2019-09-10 07:48:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2799 states. [2019-09-10 07:48:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 4001 transitions. [2019-09-10 07:48:24,119 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 4001 transitions. Word has length 77 [2019-09-10 07:48:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:24,120 INFO L475 AbstractCegarLoop]: Abstraction has 2799 states and 4001 transitions. [2019-09-10 07:48:24,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:48:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 4001 transitions. [2019-09-10 07:48:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 07:48:24,121 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:24,121 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:48:24,121 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:24,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:24,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1786573686, now seen corresponding path program 1 times [2019-09-10 07:48:24,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:24,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:24,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:24,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:24,124 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:24,898 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 07:48:25,631 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 07:48:25,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:25,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-10 07:48:25,631 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:25,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-10 07:48:25,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-10 07:48:25,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2019-09-10 07:48:25,632 INFO L87 Difference]: Start difference. First operand 2799 states and 4001 transitions. Second operand 24 states. [2019-09-10 07:48:25,792 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-10 07:48:26,299 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-10 07:48:26,447 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-10 07:48:26,679 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-10 07:48:26,869 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-10 07:48:27,052 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 07:48:27,367 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-09-10 07:48:27,739 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-10 07:48:28,202 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2019-09-10 07:48:28,448 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 07:48:28,672 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-10 07:48:28,849 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-10 07:48:29,083 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 07:48:29,230 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-10 07:48:29,497 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-10 07:48:29,646 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-10 07:48:29,919 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-10 07:48:30,560 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-09-10 07:48:30,773 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-10 07:48:31,223 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-10 07:48:33,124 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2019-09-10 07:48:33,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:33,663 INFO L93 Difference]: Finished difference Result 25801 states and 37215 transitions. [2019-09-10 07:48:33,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-09-10 07:48:33,666 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 77 [2019-09-10 07:48:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:33,716 INFO L225 Difference]: With dead ends: 25801 [2019-09-10 07:48:33,716 INFO L226 Difference]: Without dead ends: 25801 [2019-09-10 07:48:33,718 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=545, Invalid=2211, Unknown=0, NotChecked=0, Total=2756 [2019-09-10 07:48:33,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25801 states. [2019-09-10 07:48:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25801 to 2814. [2019-09-10 07:48:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2019-09-10 07:48:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 4020 transitions. [2019-09-10 07:48:33,908 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 4020 transitions. Word has length 77 [2019-09-10 07:48:33,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:33,908 INFO L475 AbstractCegarLoop]: Abstraction has 2814 states and 4020 transitions. [2019-09-10 07:48:33,908 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-10 07:48:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 4020 transitions. [2019-09-10 07:48:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 07:48:33,910 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:33,910 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:48:33,910 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:33,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:33,910 INFO L82 PathProgramCache]: Analyzing trace with hash 2077956004, now seen corresponding path program 1 times [2019-09-10 07:48:33,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:33,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:33,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:33,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:33,912 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:34,401 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 07:48:34,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:34,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 07:48:34,402 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:34,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 07:48:34,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 07:48:34,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-10 07:48:34,403 INFO L87 Difference]: Start difference. First operand 2814 states and 4020 transitions. Second operand 13 states. [2019-09-10 07:48:34,818 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-10 07:48:34,988 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 07:48:35,163 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 07:48:35,291 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2019-09-10 07:48:35,566 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-09-10 07:48:35,832 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2019-09-10 07:48:36,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:36,128 INFO L93 Difference]: Finished difference Result 10863 states and 15628 transitions. [2019-09-10 07:48:36,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 07:48:36,129 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2019-09-10 07:48:36,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:36,146 INFO L225 Difference]: With dead ends: 10863 [2019-09-10 07:48:36,146 INFO L226 Difference]: Without dead ends: 10863 [2019-09-10 07:48:36,146 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2019-09-10 07:48:36,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10863 states. [2019-09-10 07:48:36,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10863 to 2791. [2019-09-10 07:48:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2019-09-10 07:48:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3990 transitions. [2019-09-10 07:48:36,249 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3990 transitions. Word has length 77 [2019-09-10 07:48:36,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:36,249 INFO L475 AbstractCegarLoop]: Abstraction has 2791 states and 3990 transitions. [2019-09-10 07:48:36,250 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 07:48:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3990 transitions. [2019-09-10 07:48:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-10 07:48:36,251 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:36,251 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:48:36,251 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:36,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:36,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1920475231, now seen corresponding path program 1 times [2019-09-10 07:48:36,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:36,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:36,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:36,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:36,254 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:36,763 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 07:48:36,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:36,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 07:48:36,763 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:36,764 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 07:48:36,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 07:48:36,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-10 07:48:36,764 INFO L87 Difference]: Start difference. First operand 2791 states and 3990 transitions. Second operand 13 states. [2019-09-10 07:48:37,239 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2019-09-10 07:48:37,462 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-10 07:48:37,685 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-10 07:48:38,034 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-09-10 07:48:38,321 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-09-10 07:48:38,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:38,669 INFO L93 Difference]: Finished difference Result 10830 states and 15585 transitions. [2019-09-10 07:48:38,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 07:48:38,669 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2019-09-10 07:48:38,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:38,680 INFO L225 Difference]: With dead ends: 10830 [2019-09-10 07:48:38,680 INFO L226 Difference]: Without dead ends: 10830 [2019-09-10 07:48:38,680 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2019-09-10 07:48:38,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10830 states. [2019-09-10 07:48:38,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10830 to 2769. [2019-09-10 07:48:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2019-09-10 07:48:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3962 transitions. [2019-09-10 07:48:38,768 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3962 transitions. Word has length 77 [2019-09-10 07:48:38,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:38,769 INFO L475 AbstractCegarLoop]: Abstraction has 2769 states and 3962 transitions. [2019-09-10 07:48:38,769 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 07:48:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3962 transitions. [2019-09-10 07:48:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-10 07:48:38,770 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:38,770 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] [2019-09-10 07:48:38,770 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:38,770 INFO L82 PathProgramCache]: Analyzing trace with hash -692602443, now seen corresponding path program 1 times [2019-09-10 07:48:38,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:38,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:38,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:38,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:38,772 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:40,111 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2019-09-10 07:48:40,624 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 07:48:40,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:40,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-09-10 07:48:40,624 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:40,624 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-10 07:48:40,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-10 07:48:40,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2019-09-10 07:48:40,625 INFO L87 Difference]: Start difference. First operand 2769 states and 3962 transitions. Second operand 26 states. [2019-09-10 07:48:41,720 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2019-09-10 07:48:41,883 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2019-09-10 07:48:42,114 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-10 07:48:42,386 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2019-09-10 07:48:42,700 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2019-09-10 07:48:43,316 WARN L188 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2019-09-10 07:48:43,519 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-09-10 07:48:43,718 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-09-10 07:48:43,879 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-10 07:48:44,057 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-10 07:48:44,257 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2019-09-10 07:48:44,472 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-10 07:48:44,772 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-10 07:48:44,943 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-10 07:48:45,350 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-10 07:48:51,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:51,088 INFO L93 Difference]: Finished difference Result 33785 states and 48733 transitions. [2019-09-10 07:48:51,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-09-10 07:48:51,089 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 78 [2019-09-10 07:48:51,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:51,120 INFO L225 Difference]: With dead ends: 33785 [2019-09-10 07:48:51,120 INFO L226 Difference]: Without dead ends: 33785 [2019-09-10 07:48:51,121 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=617, Invalid=2575, Unknown=0, NotChecked=0, Total=3192 [2019-09-10 07:48:51,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33785 states. [2019-09-10 07:48:51,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33785 to 2773. [2019-09-10 07:48:51,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2019-09-10 07:48:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3966 transitions. [2019-09-10 07:48:51,355 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3966 transitions. Word has length 78 [2019-09-10 07:48:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:51,355 INFO L475 AbstractCegarLoop]: Abstraction has 2773 states and 3966 transitions. [2019-09-10 07:48:51,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-10 07:48:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3966 transitions. [2019-09-10 07:48:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-10 07:48:51,357 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:51,357 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] [2019-09-10 07:48:51,357 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:51,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:51,357 INFO L82 PathProgramCache]: Analyzing trace with hash -911326508, now seen corresponding path program 1 times [2019-09-10 07:48:51,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:51,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:51,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:51,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:51,359 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:52,068 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 07:48:52,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:52,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-10 07:48:52,069 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:52,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-10 07:48:52,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-10 07:48:52,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-10 07:48:52,070 INFO L87 Difference]: Start difference. First operand 2773 states and 3966 transitions. Second operand 16 states. [2019-09-10 07:48:52,635 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2019-09-10 07:48:52,787 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2019-09-10 07:48:52,991 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2019-09-10 07:48:53,142 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-09-10 07:48:53,304 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-09-10 07:48:53,523 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-10 07:48:53,673 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-10 07:48:53,847 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-10 07:48:54,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:48:54,908 INFO L93 Difference]: Finished difference Result 7781 states and 11188 transitions. [2019-09-10 07:48:54,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-10 07:48:54,908 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 78 [2019-09-10 07:48:54,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:48:54,921 INFO L225 Difference]: With dead ends: 7781 [2019-09-10 07:48:54,921 INFO L226 Difference]: Without dead ends: 7781 [2019-09-10 07:48:54,922 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2019-09-10 07:48:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7781 states. [2019-09-10 07:48:54,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7781 to 2769. [2019-09-10 07:48:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2019-09-10 07:48:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3961 transitions. [2019-09-10 07:48:54,970 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3961 transitions. Word has length 78 [2019-09-10 07:48:54,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:48:54,970 INFO L475 AbstractCegarLoop]: Abstraction has 2769 states and 3961 transitions. [2019-09-10 07:48:54,970 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-10 07:48:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3961 transitions. [2019-09-10 07:48:54,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-10 07:48:54,971 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:48:54,972 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:48:54,972 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:48:54,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:48:54,972 INFO L82 PathProgramCache]: Analyzing trace with hash -249763912, now seen corresponding path program 1 times [2019-09-10 07:48:54,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:48:54,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:54,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:48:54,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:48:54,973 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:48:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:48:56,144 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2019-09-10 07:48:56,392 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2019-09-10 07:48:56,986 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 07:48:56,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:48:56,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-10 07:48:56,986 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:48:56,986 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-10 07:48:56,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-10 07:48:56,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2019-09-10 07:48:56,987 INFO L87 Difference]: Start difference. First operand 2769 states and 3961 transitions. Second operand 24 states. [2019-09-10 07:48:57,269 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-09-10 07:48:57,591 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-10 07:48:57,742 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-10 07:48:57,890 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-09-10 07:48:58,099 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-10 07:48:58,352 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-10 07:48:58,641 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-09-10 07:48:59,014 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-10 07:48:59,339 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-10 07:48:59,733 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-09-10 07:49:00,129 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-10 07:49:00,685 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-10 07:49:01,081 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 07:49:01,486 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-10 07:49:01,958 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-10 07:49:02,409 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-10 07:49:02,775 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-10 07:49:03,029 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-10 07:49:03,396 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-10 07:49:03,782 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-10 07:49:04,188 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-10 07:49:04,462 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-10 07:49:04,860 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-10 07:49:05,108 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2019-09-10 07:49:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:07,235 INFO L93 Difference]: Finished difference Result 21229 states and 30552 transitions. [2019-09-10 07:49:07,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-09-10 07:49:07,236 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 79 [2019-09-10 07:49:07,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:07,269 INFO L225 Difference]: With dead ends: 21229 [2019-09-10 07:49:07,270 INFO L226 Difference]: Without dead ends: 21228 [2019-09-10 07:49:07,271 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=502, Invalid=2048, Unknown=0, NotChecked=0, Total=2550 [2019-09-10 07:49:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21228 states. [2019-09-10 07:49:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21228 to 2763. [2019-09-10 07:49:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2763 states. [2019-09-10 07:49:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3953 transitions. [2019-09-10 07:49:07,424 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3953 transitions. Word has length 79 [2019-09-10 07:49:07,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:07,424 INFO L475 AbstractCegarLoop]: Abstraction has 2763 states and 3953 transitions. [2019-09-10 07:49:07,424 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-10 07:49:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3953 transitions. [2019-09-10 07:49:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-10 07:49:07,426 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:07,427 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:49:07,427 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1474787241, now seen corresponding path program 1 times [2019-09-10 07:49:07,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:07,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:07,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:07,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:07,429 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:07,871 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 07:49:07,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:49:07,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 07:49:07,872 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:49:07,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 07:49:07,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 07:49:07,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-09-10 07:49:07,873 INFO L87 Difference]: Start difference. First operand 2763 states and 3953 transitions. Second operand 10 states. [2019-09-10 07:49:08,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:08,505 INFO L93 Difference]: Finished difference Result 7889 states and 11336 transitions. [2019-09-10 07:49:08,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-10 07:49:08,505 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2019-09-10 07:49:08,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:08,511 INFO L225 Difference]: With dead ends: 7889 [2019-09-10 07:49:08,512 INFO L226 Difference]: Without dead ends: 7889 [2019-09-10 07:49:08,512 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2019-09-10 07:49:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7889 states. [2019-09-10 07:49:08,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7889 to 2663. [2019-09-10 07:49:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2663 states. [2019-09-10 07:49:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3814 transitions. [2019-09-10 07:49:08,553 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3814 transitions. Word has length 79 [2019-09-10 07:49:08,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:08,554 INFO L475 AbstractCegarLoop]: Abstraction has 2663 states and 3814 transitions. [2019-09-10 07:49:08,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 07:49:08,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3814 transitions. [2019-09-10 07:49:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-10 07:49:08,556 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:08,556 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] [2019-09-10 07:49:08,556 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:08,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:08,557 INFO L82 PathProgramCache]: Analyzing trace with hash -252969834, now seen corresponding path program 1 times [2019-09-10 07:49:08,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:08,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:08,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:08,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:08,558 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:08,609 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 07:49:08,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:49:08,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 07:49:08,609 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:49:08,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 07:49:08,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 07:49:08,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 07:49:08,610 INFO L87 Difference]: Start difference. First operand 2663 states and 3814 transitions. Second operand 3 states. [2019-09-10 07:49:08,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:08,633 INFO L93 Difference]: Finished difference Result 5020 states and 7086 transitions. [2019-09-10 07:49:08,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 07:49:08,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-09-10 07:49:08,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:08,639 INFO L225 Difference]: With dead ends: 5020 [2019-09-10 07:49:08,639 INFO L226 Difference]: Without dead ends: 5020 [2019-09-10 07:49:08,640 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 07:49:08,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2019-09-10 07:49:08,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 4786. [2019-09-10 07:49:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4786 states. [2019-09-10 07:49:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6795 transitions. [2019-09-10 07:49:08,692 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6795 transitions. Word has length 101 [2019-09-10 07:49:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:08,692 INFO L475 AbstractCegarLoop]: Abstraction has 4786 states and 6795 transitions. [2019-09-10 07:49:08,692 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 07:49:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6795 transitions. [2019-09-10 07:49:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-10 07:49:08,694 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:08,694 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] [2019-09-10 07:49:08,695 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash -428606195, now seen corresponding path program 1 times [2019-09-10 07:49:08,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:08,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:08,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:08,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:08,697 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:08,748 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 07:49:08,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:49:08,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 07:49:08,748 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:49:08,749 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 07:49:08,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 07:49:08,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 07:49:08,749 INFO L87 Difference]: Start difference. First operand 4786 states and 6795 transitions. Second operand 3 states. [2019-09-10 07:49:08,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:08,782 INFO L93 Difference]: Finished difference Result 9034 states and 12584 transitions. [2019-09-10 07:49:08,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 07:49:08,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2019-09-10 07:49:08,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:08,794 INFO L225 Difference]: With dead ends: 9034 [2019-09-10 07:49:08,794 INFO L226 Difference]: Without dead ends: 9034 [2019-09-10 07:49:08,795 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 07:49:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9034 states. [2019-09-10 07:49:08,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9034 to 8626. [2019-09-10 07:49:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8626 states. [2019-09-10 07:49:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8626 states to 8626 states and 12061 transitions. [2019-09-10 07:49:08,917 INFO L78 Accepts]: Start accepts. Automaton has 8626 states and 12061 transitions. Word has length 102 [2019-09-10 07:49:08,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:08,918 INFO L475 AbstractCegarLoop]: Abstraction has 8626 states and 12061 transitions. [2019-09-10 07:49:08,918 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 07:49:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 8626 states and 12061 transitions. [2019-09-10 07:49:08,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 07:49:08,921 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:08,921 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] [2019-09-10 07:49:08,922 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:08,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:08,923 INFO L82 PathProgramCache]: Analyzing trace with hash 483129747, now seen corresponding path program 1 times [2019-09-10 07:49:08,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:08,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:08,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:08,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:08,927 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:08,993 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 07:49:08,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:49:08,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 07:49:08,994 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:49:08,994 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 07:49:08,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 07:49:08,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 07:49:08,995 INFO L87 Difference]: Start difference. First operand 8626 states and 12061 transitions. Second operand 3 states. [2019-09-10 07:49:09,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:09,040 INFO L93 Difference]: Finished difference Result 12250 states and 16950 transitions. [2019-09-10 07:49:09,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 07:49:09,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-10 07:49:09,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:09,053 INFO L225 Difference]: With dead ends: 12250 [2019-09-10 07:49:09,053 INFO L226 Difference]: Without dead ends: 12250 [2019-09-10 07:49:09,053 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 07:49:09,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12250 states. [2019-09-10 07:49:09,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12250 to 11632. [2019-09-10 07:49:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11632 states. [2019-09-10 07:49:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11632 states to 11632 states and 16179 transitions. [2019-09-10 07:49:09,205 INFO L78 Accepts]: Start accepts. Automaton has 11632 states and 16179 transitions. Word has length 103 [2019-09-10 07:49:09,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:09,206 INFO L475 AbstractCegarLoop]: Abstraction has 11632 states and 16179 transitions. [2019-09-10 07:49:09,206 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 07:49:09,206 INFO L276 IsEmpty]: Start isEmpty. Operand 11632 states and 16179 transitions. [2019-09-10 07:49:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 07:49:09,207 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:09,207 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 07:49:09,208 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:09,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:09,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1819853196, now seen corresponding path program 1 times [2019-09-10 07:49:09,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:09,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:09,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:09,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:09,214 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:09,273 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 07:49:09,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 07:49:09,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 07:49:09,273 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:49:09,274 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:49:09,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:49:09,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 07:49:09,274 INFO L87 Difference]: Start difference. First operand 11632 states and 16179 transitions. Second operand 5 states. [2019-09-10 07:49:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:09,586 INFO L93 Difference]: Finished difference Result 26342 states and 35274 transitions. [2019-09-10 07:49:09,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 07:49:09,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2019-09-10 07:49:09,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:09,609 INFO L225 Difference]: With dead ends: 26342 [2019-09-10 07:49:09,609 INFO L226 Difference]: Without dead ends: 26342 [2019-09-10 07:49:09,610 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-10 07:49:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26342 states. [2019-09-10 07:49:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26342 to 12324. [2019-09-10 07:49:09,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12324 states. [2019-09-10 07:49:09,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12324 states to 12324 states and 16793 transitions. [2019-09-10 07:49:09,763 INFO L78 Accepts]: Start accepts. Automaton has 12324 states and 16793 transitions. Word has length 105 [2019-09-10 07:49:09,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:09,763 INFO L475 AbstractCegarLoop]: Abstraction has 12324 states and 16793 transitions. [2019-09-10 07:49:09,763 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:49:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 12324 states and 16793 transitions. [2019-09-10 07:49:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-10 07:49:09,768 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:09,768 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-10 07:49:09,769 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:09,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:09,769 INFO L82 PathProgramCache]: Analyzing trace with hash -201476329, now seen corresponding path program 1 times [2019-09-10 07:49:09,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:09,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:09,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:09,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:09,771 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 07:49:10,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:49:10,004 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 07:49:10,005 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 129 with the following transitions: [2019-09-10 07:49:10,007 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], [79], [82], [85], [87], [91], [94], [97], [99], [103], [106], [109], [111], [115], [118], [121], [123], [126], [130], [133], [136], [140], [143], [146], [149], [152], [154], [157], [160], [163], [165], [168], [171], [174], [176], [179], [182], [185], [187], [189], [192], [195], [199], [201], [204], [205], [207], [210], [213], [221], [223], [226], [234], [236], [239], [247], [249], [252], [260], [262], [271], [273], [276], [279], [281], [296], [298], [301], [304], [306], [321], [346], [348], [351], [354], [356], [365], [370], [372], [375], [463], [464], [468], [469], [470] [2019-09-10 07:49:10,057 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 07:49:10,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 07:49:10,217 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 07:49:10,823 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 07:49:10,826 INFO L272 AbstractInterpreter]: Visited 110 different actions 663 times. Merged at 41 different actions 484 times. Widened at 17 different actions 92 times. Performed 2477 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2477 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 71 fixpoints after 18 different actions. Largest state had 131 variables. [2019-09-10 07:49:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:10,831 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 07:49:10,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:49:10,832 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) [2019-09-10 07:49:10,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:10,860 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 07:49:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:10,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-10 07:49:10,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 07:49:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 07:49:11,081 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 07:49:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-10 07:49:11,180 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-09-10 07:49:11,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [11] total 16 [2019-09-10 07:49:11,180 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 07:49:11,185 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 07:49:11,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 07:49:11,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-10 07:49:11,186 INFO L87 Difference]: Start difference. First operand 12324 states and 16793 transitions. Second operand 5 states. [2019-09-10 07:49:11,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:11,299 INFO L93 Difference]: Finished difference Result 23146 states and 30674 transitions. [2019-09-10 07:49:11,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 07:49:11,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2019-09-10 07:49:11,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:11,360 INFO L225 Difference]: With dead ends: 23146 [2019-09-10 07:49:11,360 INFO L226 Difference]: Without dead ends: 23146 [2019-09-10 07:49:11,361 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-10 07:49:11,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23146 states. [2019-09-10 07:49:11,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23146 to 21122. [2019-09-10 07:49:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21122 states. [2019-09-10 07:49:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21122 states to 21122 states and 28341 transitions. [2019-09-10 07:49:11,921 INFO L78 Accepts]: Start accepts. Automaton has 21122 states and 28341 transitions. Word has length 128 [2019-09-10 07:49:11,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:11,921 INFO L475 AbstractCegarLoop]: Abstraction has 21122 states and 28341 transitions. [2019-09-10 07:49:11,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 07:49:11,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21122 states and 28341 transitions. [2019-09-10 07:49:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-10 07:49:11,927 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:11,927 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-09-10 07:49:11,927 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:11,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1639758373, now seen corresponding path program 1 times [2019-09-10 07:49:11,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:11,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:11,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:11,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:11,929 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:12,200 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 07:49:12,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:49:12,201 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 07:49:12,201 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2019-09-10 07:49:12,202 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], [79], [82], [85], [87], [91], [94], [97], [99], [103], [106], [109], [111], [115], [118], [121], [123], [126], [130], [133], [136], [140], [143], [146], [149], [152], [154], [157], [160], [163], [165], [168], [171], [174], [176], [179], [182], [185], [187], [189], [192], [195], [199], [201], [204], [205], [207], [210], [213], [221], [223], [226], [234], [236], [239], [247], [249], [252], [260], [262], [271], [273], [276], [279], [281], [296], [298], [301], [304], [306], [321], [323], [326], [329], [331], [346], [348], [351], [354], [356], [365], [370], [372], [375], [463], [464], [468], [469], [470] [2019-09-10 07:49:12,206 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 07:49:12,207 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 07:49:12,231 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 07:49:12,716 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 07:49:12,716 INFO L272 AbstractInterpreter]: Visited 114 different actions 829 times. Merged at 45 different actions 615 times. Widened at 20 different actions 110 times. Performed 2940 root evaluator evaluations with a maximum evaluation depth of 6. Performed 2940 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 102 fixpoints after 22 different actions. Largest state had 132 variables. [2019-09-10 07:49:12,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:12,717 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 07:49:12,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:49:12,717 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 07:49:12,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:12,735 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 07:49:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:12,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 18 conjunts are in the unsatisfiable core [2019-09-10 07:49:12,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 07:49:13,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:13,441 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 07:49:13,441 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 07:49:13,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:13,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:13,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:13,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:16,237 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-09-10 07:49:18,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:18,998 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 07:49:19,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 07:49:19,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2019-09-10 07:49:19,003 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 07:49:19,004 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 07:49:19,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 07:49:19,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=425, Unknown=1, NotChecked=0, Total=506 [2019-09-10 07:49:19,005 INFO L87 Difference]: Start difference. First operand 21122 states and 28341 transitions. Second operand 18 states. [2019-09-10 07:49:20,973 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-10 07:49:22,932 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-09-10 07:49:23,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:49:23,072 INFO L93 Difference]: Finished difference Result 65234 states and 86269 transitions. [2019-09-10 07:49:23,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-09-10 07:49:23,073 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 129 [2019-09-10 07:49:23,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:49:23,154 INFO L225 Difference]: With dead ends: 65234 [2019-09-10 07:49:23,154 INFO L226 Difference]: Without dead ends: 65234 [2019-09-10 07:49:23,155 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 201 SyntacticMatches, 46 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=630, Invalid=1919, Unknown=1, NotChecked=0, Total=2550 [2019-09-10 07:49:23,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65234 states. [2019-09-10 07:49:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65234 to 42505. [2019-09-10 07:49:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42505 states. [2019-09-10 07:49:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42505 states to 42505 states and 56711 transitions. [2019-09-10 07:49:23,875 INFO L78 Accepts]: Start accepts. Automaton has 42505 states and 56711 transitions. Word has length 129 [2019-09-10 07:49:23,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:49:23,876 INFO L475 AbstractCegarLoop]: Abstraction has 42505 states and 56711 transitions. [2019-09-10 07:49:23,876 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 07:49:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 42505 states and 56711 transitions. [2019-09-10 07:49:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-10 07:49:23,891 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:49:23,891 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-10 07:49:23,891 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:49:23,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:23,892 INFO L82 PathProgramCache]: Analyzing trace with hash 992877774, now seen corresponding path program 1 times [2019-09-10 07:49:23,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:49:23,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:23,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:23,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:49:23,896 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:49:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 07:49:24,412 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:49:24,412 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 07:49:24,412 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2019-09-10 07:49:24,413 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], [79], [82], [85], [87], [91], [94], [97], [99], [103], [106], [109], [111], [115], [118], [121], [123], [126], [130], [133], [136], [140], [143], [146], [149], [152], [154], [157], [160], [163], [165], [168], [171], [174], [176], [179], [182], [185], [187], [189], [192], [199], [201], [204], [205], [207], [210], [213], [216], [221], [223], [226], [229], [234], [236], [239], [247], [249], [252], [260], [262], [271], [273], [276], [279], [281], [296], [298], [301], [304], [306], [314], [317], [323], [326], [329], [331], [339], [342], [348], [351], [354], [356], [372], [375], [379], [463], [464], [468], [469], [470] [2019-09-10 07:49:24,417 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 07:49:24,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 07:49:24,449 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 07:49:25,831 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 07:49:25,832 INFO L272 AbstractInterpreter]: Visited 116 different actions 568 times. Merged at 47 different actions 397 times. Widened at 16 different actions 51 times. Performed 2225 root evaluator evaluations with a maximum evaluation depth of 5. Performed 2225 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 47 fixpoints after 13 different actions. Largest state had 132 variables. [2019-09-10 07:49:25,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:49:25,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 07:49:25,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:49:25,833 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-10 07:49:25,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:49:25,857 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 07:49:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:49:25,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-10 07:49:25,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 07:49:26,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:26,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 07:49:26,615 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 07:49:27,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:27,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:28,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:49:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 07:49:28,594 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 07:49:28,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2019-09-10 07:49:28,594 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 07:49:28,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-09-10 07:49:28,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-09-10 07:49:28,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1218, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 07:49:28,597 INFO L87 Difference]: Start difference. First operand 42505 states and 56711 transitions. Second operand 27 states. [2019-09-10 07:49:28,946 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-10 07:49:29,807 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-10 07:49:30,393 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-10 07:49:30,859 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-10 07:49:31,213 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 07:49:31,482 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 07:49:31,848 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-10 07:49:32,411 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-10 07:49:32,961 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 07:49:33,366 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 07:49:33,761 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 07:49:34,114 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:49:34,758 WARN L188 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-10 07:49:35,293 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:49:35,735 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 07:49:36,081 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:49:36,535 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:49:37,034 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:49:37,380 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 07:49:37,797 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 07:49:38,238 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:49:38,537 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:49:38,968 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:49:39,285 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 07:49:39,678 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 07:49:40,149 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:49:40,744 WARN L188 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:49:41,210 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:49:41,531 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 07:49:41,972 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:49:42,274 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 07:49:42,728 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 07:49:43,076 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 07:49:46,047 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:49:46,582 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 07:49:47,030 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 07:49:47,440 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 07:49:47,880 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-10 07:49:48,429 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:49:48,796 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 07:49:49,239 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:49:51,719 WARN L188 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-10 07:49:52,205 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-10 07:49:52,647 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-10 07:49:53,227 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-10 07:49:55,756 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:49:56,117 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-10 07:49:56,482 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:49:56,785 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-10 07:49:57,241 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 07:49:57,662 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:49:57,981 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:49:58,567 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-10 07:49:58,870 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:49:59,180 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 07:49:59,546 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:49:59,892 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 07:50:02,169 WARN L188 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:50:02,595 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-10 07:50:02,978 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 07:50:03,393 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:50:04,001 WARN L188 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:50:04,307 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-10 07:50:04,601 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 07:50:05,050 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 07:50:05,534 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:50:05,949 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 07:50:06,470 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 07:50:07,122 WARN L188 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 07:50:07,595 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:50:08,211 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-09-10 07:50:08,882 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-10 07:50:09,473 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:50:09,853 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:50:12,389 WARN L188 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-10 07:50:12,782 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:50:13,238 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-09-10 07:50:13,887 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-10 07:50:14,866 WARN L188 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-10 07:50:15,448 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:50:16,004 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-10 07:50:16,394 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:50:16,713 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 07:50:17,246 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 07:50:17,660 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-10 07:50:18,070 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-10 07:50:18,403 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 07:50:18,905 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 07:50:19,494 WARN L188 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-10 07:50:20,111 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 07:50:20,787 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:50:22,039 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:50:22,867 WARN L188 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 07:50:23,688 WARN L188 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-10 07:50:24,175 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-10 07:50:24,572 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:50:25,091 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-10 07:50:25,596 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:50:25,977 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 07:50:26,700 WARN L188 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-10 07:50:27,300 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:50:27,752 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:50:28,089 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:50:30,657 WARN L188 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-10 07:50:31,055 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-10 07:50:31,536 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 07:50:31,922 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-10 07:50:32,381 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:50:32,873 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-10 07:50:33,494 WARN L188 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2019-09-10 07:50:34,100 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-10 07:50:35,106 WARN L188 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:50:35,567 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-10 07:50:36,035 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-10 07:50:36,731 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:50:37,168 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2019-09-10 07:50:37,557 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 07:50:37,945 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 07:50:38,375 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-10 07:50:38,921 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 103 [2019-09-10 07:50:39,400 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2019-09-10 07:50:39,859 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 100 [2019-09-10 07:50:40,371 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:50:40,808 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-09-10 07:50:41,150 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:50:41,578 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-10 07:50:42,017 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-10 07:50:42,874 WARN L188 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-10 07:50:43,615 WARN L188 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:50:44,211 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-10 07:50:46,743 WARN L188 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2019-09-10 07:50:47,543 WARN L188 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-10 07:50:48,170 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 07:50:48,926 WARN L188 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-10 07:50:49,385 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-10 07:50:49,905 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 07:50:50,377 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:50:51,039 WARN L188 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-10 07:50:51,527 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 07:50:51,919 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-10 07:50:52,706 WARN L188 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2019-09-10 07:50:53,190 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:50:53,665 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:50:54,292 WARN L188 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-10 07:50:54,753 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 103 [2019-09-10 07:50:55,760 WARN L188 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2019-09-10 07:50:56,413 WARN L188 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-10 07:50:56,918 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 07:50:57,344 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 100 [2019-09-10 07:50:57,808 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-10 07:50:58,293 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-10 07:50:59,106 WARN L188 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-10 07:51:02,229 WARN L188 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:51:02,640 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:51:03,170 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-10 07:51:03,550 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:51:04,220 WARN L188 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2019-09-10 07:51:04,873 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-10 07:51:05,312 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:51:05,700 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 07:51:06,166 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:51:06,553 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:51:07,406 WARN L188 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:51:07,992 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2019-09-10 07:51:08,488 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 07:51:09,276 WARN L188 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 07:51:09,806 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:51:10,284 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:51:10,720 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-10 07:51:11,353 WARN L188 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-10 07:51:11,971 WARN L188 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-10 07:51:12,377 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:51:12,873 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-10 07:51:14,162 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 07:51:14,602 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:51:15,114 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2019-09-10 07:51:15,574 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2019-09-10 07:51:15,994 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:51:16,416 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-10 07:51:16,871 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-10 07:51:17,412 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-10 07:51:17,924 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2019-09-10 07:51:18,316 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:51:18,697 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-10 07:51:19,208 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:51:19,703 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-10 07:51:20,450 WARN L188 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:51:21,252 WARN L188 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:51:21,624 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:51:22,329 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:51:22,834 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:51:23,261 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 07:51:23,730 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2019-09-10 07:51:24,113 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 07:51:24,533 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 07:51:24,959 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-10 07:51:25,342 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-10 07:51:25,966 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-10 07:51:26,475 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:51:26,948 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 07:51:27,503 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 07:51:27,820 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 07:51:28,371 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 07:51:29,067 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2019-09-10 07:51:29,630 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:51:30,042 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 07:51:30,605 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:51:31,008 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:51:31,361 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-09-10 07:51:31,847 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:51:32,292 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-10 07:51:32,848 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:51:33,751 WARN L188 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-10 07:51:34,229 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:51:34,701 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:51:35,193 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:51:35,617 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-10 07:51:36,069 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:51:36,756 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-10 07:51:37,307 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-10 07:51:37,786 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-10 07:51:38,148 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 07:51:38,744 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2019-09-10 07:51:39,191 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 07:51:39,519 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:51:39,923 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 07:51:40,326 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:51:40,795 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 07:51:41,587 WARN L188 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 07:51:42,033 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:51:42,778 WARN L188 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-10 07:51:43,149 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:51:43,625 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:51:44,060 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:51:44,436 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 07:51:44,785 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-09-10 07:51:45,431 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-10 07:51:45,859 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 07:51:46,455 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:51:46,892 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:51:47,487 WARN L188 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-10 07:51:47,875 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:51:48,248 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-10 07:51:49,159 WARN L188 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:51:49,853 WARN L188 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-10 07:51:50,261 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-10 07:51:50,900 WARN L188 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-10 07:51:51,461 WARN L188 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 07:51:51,920 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-10 07:51:52,666 WARN L188 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:51:53,263 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 07:51:53,591 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 07:51:53,987 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-10 07:51:54,361 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:51:54,897 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-10 07:51:55,296 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 07:51:55,704 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-10 07:51:56,191 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 07:51:57,074 WARN L188 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 07:51:57,489 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:51:58,200 WARN L188 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 07:51:58,622 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:51:58,999 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:51:59,534 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-10 07:51:59,932 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 07:52:00,342 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-10 07:52:00,672 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2019-09-10 07:52:01,075 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2019-09-10 07:52:01,638 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 07:52:01,925 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2019-09-10 07:52:02,358 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-10 07:52:03,026 WARN L188 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2019-09-10 07:52:03,649 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-09-10 07:52:04,099 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:52:04,734 WARN L188 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2019-09-10 07:52:05,163 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-10 07:52:05,827 WARN L188 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2019-09-10 07:52:06,211 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-10 07:52:06,559 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-10 07:52:06,975 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:52:07,435 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2019-09-10 07:52:07,846 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2019-09-10 07:52:08,778 WARN L188 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-10 07:52:09,196 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2019-09-10 07:52:09,636 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2019-09-10 07:52:10,217 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:52:10,859 WARN L188 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-10 07:52:11,368 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 07:52:11,828 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-10 07:52:12,319 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2019-09-10 07:52:12,748 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:52:13,563 WARN L188 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-10 07:52:14,073 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-09-10 07:52:14,461 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:52:14,834 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-10 07:52:15,259 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2019-09-10 07:52:15,754 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-10 07:52:16,144 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2019-09-10 07:52:16,542 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 07:52:16,985 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-10 07:52:17,395 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:52:17,693 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 07:52:18,006 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 07:52:18,404 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 07:52:18,768 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 07:52:19,145 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:52:19,562 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-10 07:52:20,069 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-10 07:52:20,443 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 07:52:21,166 WARN L188 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-10 07:52:22,051 WARN L188 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 07:52:22,603 WARN L188 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-10 07:52:22,953 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 07:52:23,497 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-10 07:52:24,048 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 07:52:25,141 WARN L188 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 07:52:25,664 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:52:26,177 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:52:27,397 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:52:27,739 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 07:52:28,338 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-10 07:52:29,138 WARN L188 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-10 07:52:30,533 WARN L188 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 07:52:30,892 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 07:52:31,262 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 07:52:31,584 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 07:52:31,937 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-10 07:52:32,407 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:52:32,949 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-09-10 07:52:33,210 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-10 07:52:33,760 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 100 [2019-09-10 07:52:34,320 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-10 07:52:34,770 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2019-09-10 07:52:35,532 WARN L188 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-10 07:52:36,062 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:52:36,745 WARN L188 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-09-10 07:52:37,270 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:52:37,812 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-10 07:52:38,365 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:52:38,764 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-10 07:52:39,140 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:52:39,682 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2019-09-10 07:52:40,206 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-10 07:52:40,607 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:52:41,053 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 07:52:41,466 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-10 07:52:42,328 WARN L188 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:52:43,000 WARN L188 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2019-09-10 07:52:43,405 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:52:43,779 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:52:44,193 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2019-09-10 07:52:44,634 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:52:45,029 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-09-10 07:52:45,479 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-10 07:52:46,022 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:52:46,365 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:52:46,911 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-10 07:52:47,548 WARN L188 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:52:47,933 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 91 [2019-09-10 07:52:48,299 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-10 07:52:48,749 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 07:52:49,143 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2019-09-10 07:52:49,640 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:52:50,060 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 07:52:50,436 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 07:52:50,810 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-09-10 07:52:51,190 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-10 07:52:51,612 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2019-09-10 07:52:52,052 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-10 07:52:52,464 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-10 07:52:52,798 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-10 07:52:53,116 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 07:52:53,441 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 07:52:53,984 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-10 07:52:54,568 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:52:54,965 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:52:55,476 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 07:52:56,201 WARN L188 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:52:57,034 WARN L188 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 07:52:58,741 WARN L188 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-10 07:52:59,079 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 07:52:59,499 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:52:59,935 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:53:00,735 WARN L188 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:53:01,264 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 07:53:01,679 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:53:02,159 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 07:53:02,575 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-10 07:53:02,977 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 07:53:03,482 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 07:53:03,923 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 07:53:04,535 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-10 07:53:05,078 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2019-09-10 07:53:07,215 WARN L188 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-10 07:53:07,800 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 07:53:08,437 WARN L188 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 07:53:08,915 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-10 07:53:11,683 WARN L188 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:53:12,383 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 07:53:12,830 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:53:13,166 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2019-09-10 07:53:13,548 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2019-09-10 07:53:13,858 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:53:14,131 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2019-09-10 07:53:14,429 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-10 07:53:14,859 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-10 07:53:15,278 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:53:15,720 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-09-10 07:53:16,160 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:53:16,512 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:53:17,007 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2019-09-10 07:53:17,952 WARN L188 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-09-10 07:53:20,061 WARN L188 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-10 07:53:20,535 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-10 07:53:21,104 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-10 07:53:21,582 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:53:22,044 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:53:22,550 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:53:22,970 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-10 07:53:23,313 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2019-09-10 07:53:23,763 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:53:24,394 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 100 [2019-09-10 07:53:24,982 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:53:25,553 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-10 07:53:25,931 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2019-09-10 07:53:26,403 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 07:53:26,732 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:53:27,210 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 07:53:27,666 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-10 07:53:28,016 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2019-09-10 07:53:28,525 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-10 07:53:30,186 WARN L188 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:53:30,640 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-10 07:53:31,116 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-10 07:53:31,555 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 07:53:32,027 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2019-09-10 07:53:32,541 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-10 07:53:32,930 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-10 07:53:33,345 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:53:33,983 WARN L188 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2019-09-10 07:53:34,283 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 07:53:34,683 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 07:53:35,072 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 07:53:35,503 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 07:53:35,899 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 07:53:36,441 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 07:53:36,864 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-10 07:53:37,318 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-10 07:53:37,706 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 07:53:38,194 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 07:53:38,626 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-10 07:53:39,045 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 07:53:39,373 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 07:53:40,146 WARN L188 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 07:53:40,626 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-10 07:53:41,025 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2019-09-10 07:53:41,391 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-10 07:53:41,765 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:53:42,306 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:53:42,787 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2019-09-10 07:53:43,243 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:53:43,823 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-10 07:53:44,161 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:53:44,617 WARN L188 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:53:45,191 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-10 07:53:45,567 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-10 07:53:46,124 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 07:53:46,553 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 07:53:46,988 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 07:53:47,531 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-10 07:53:47,919 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-10 07:53:48,456 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 07:53:49,379 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 105 [2019-09-10 07:53:50,054 WARN L188 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2019-09-10 07:53:50,615 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 07:53:51,139 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:53:51,586 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2019-09-10 07:53:52,156 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:53:52,531 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 07:53:53,092 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:53:53,581 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2019-09-10 07:53:54,118 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-09-10 07:53:55,993 WARN L188 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:53:56,755 WARN L188 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 103 [2019-09-10 07:53:57,154 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 07:53:57,866 WARN L188 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 07:53:58,225 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 07:53:58,687 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:53:59,199 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-09-10 07:53:59,780 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:54:00,200 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:54:02,651 WARN L188 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-10 07:54:03,060 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 07:54:03,532 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2019-09-10 07:54:04,079 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:54:04,533 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:54:04,957 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-10 07:54:05,453 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:54:06,120 WARN L188 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-10 07:54:06,553 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:54:07,006 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:54:07,535 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:54:08,044 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 07:54:08,706 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2019-09-10 07:54:09,134 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 07:54:10,015 WARN L188 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-10 07:54:10,544 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2019-09-10 07:54:11,098 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:54:11,592 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 07:54:12,039 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-10 07:54:13,102 WARN L188 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2019-09-10 07:54:13,640 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:54:14,066 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 07:54:14,530 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-10 07:54:14,948 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-10 07:54:15,829 WARN L188 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-09-10 07:54:16,266 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-10 07:54:16,915 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-10 07:54:17,670 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:54:18,352 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2019-09-10 07:54:18,800 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 07:54:19,250 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:54:19,825 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-10 07:54:22,801 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2019-09-10 07:54:23,321 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2019-09-10 07:54:24,060 WARN L188 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:54:24,986 WARN L188 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 91 [2019-09-10 07:54:25,891 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2019-09-10 07:54:26,325 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:54:26,771 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-10 07:54:27,535 WARN L188 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:54:28,243 WARN L188 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-09-10 07:54:28,614 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-10 07:54:29,039 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-10 07:54:29,703 WARN L188 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 07:54:31,051 WARN L188 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:54:31,512 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-10 07:54:31,900 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-10 07:54:32,287 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-10 07:54:32,687 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 07:54:33,172 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-10 07:54:33,611 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-10 07:54:34,375 WARN L188 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 07:54:34,924 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:54:35,400 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2019-09-10 07:54:35,958 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:54:36,489 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:54:36,947 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:54:37,395 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2019-09-10 07:54:37,793 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:54:38,836 WARN L188 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:54:39,397 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-10 07:54:39,830 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2019-09-10 07:54:40,401 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-10 07:54:40,874 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:54:41,230 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:54:41,678 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:54:42,226 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:54:43,050 WARN L188 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:54:43,630 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-10 07:54:44,275 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-10 07:54:44,814 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:54:45,377 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:54:45,881 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2019-09-10 07:54:46,597 WARN L188 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2019-09-10 07:54:47,107 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 105 [2019-09-10 07:54:47,732 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-10 07:54:48,205 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-10 07:54:48,639 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-09-10 07:54:49,549 WARN L188 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 93 [2019-09-10 07:54:49,997 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-10 07:54:50,703 WARN L188 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2019-09-10 07:54:51,360 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:54:51,911 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:54:52,357 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 07:54:53,036 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2019-09-10 07:54:53,795 WARN L188 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2019-09-10 07:54:54,364 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-10 07:54:54,787 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-10 07:54:55,272 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2019-09-10 07:54:55,692 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2019-09-10 07:54:56,153 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-10 07:54:56,704 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:54:57,470 WARN L188 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 07:54:57,887 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-10 07:54:58,456 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:54:59,065 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:54:59,859 WARN L188 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-10 07:55:00,299 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:55:00,915 WARN L188 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:55:01,557 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2019-09-10 07:55:02,417 WARN L188 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 07:55:02,885 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:55:03,552 WARN L188 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 102 [2019-09-10 07:55:04,044 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-09-10 07:55:04,483 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 100 [2019-09-10 07:55:05,122 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:55:05,582 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-10 07:55:06,188 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:55:06,616 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-10 07:55:07,242 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:55:07,701 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:55:08,460 WARN L188 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:55:09,095 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2019-09-10 07:55:09,862 WARN L188 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-10 07:55:10,381 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 103 [2019-09-10 07:55:11,154 WARN L188 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 103 [2019-09-10 07:55:11,708 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-10 07:55:12,286 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2019-09-10 07:55:13,066 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-10 07:55:13,668 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-10 07:55:14,354 WARN L188 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2019-09-10 07:55:14,858 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-09-10 07:55:15,394 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:55:15,949 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-10 07:55:16,330 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:55:16,704 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:55:17,154 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:55:17,792 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 07:55:18,430 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-10 07:55:18,918 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-10 07:55:19,405 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-10 07:55:19,880 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2019-09-10 07:55:20,564 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:55:21,068 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2019-09-10 07:55:21,806 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 104 [2019-09-10 07:55:22,400 WARN L188 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2019-09-10 07:55:23,898 WARN L188 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2019-09-10 07:55:24,418 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2019-09-10 07:55:24,852 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:55:25,396 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:55:26,308 WARN L188 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-09-10 07:55:26,902 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-10 07:55:27,330 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-10 07:55:27,927 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2019-09-10 07:55:28,390 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-10 07:55:28,855 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-10 07:55:29,324 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-10 07:55:29,817 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2019-09-10 07:55:30,300 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2019-09-10 07:55:30,952 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-10 07:55:31,436 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-10 07:55:32,298 WARN L188 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2019-09-10 07:55:32,947 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2019-09-10 07:55:33,565 WARN L188 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-10 07:55:34,148 WARN L188 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:55:34,741 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-10 07:55:35,444 WARN L188 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 103 [2019-09-10 07:55:35,873 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:55:36,326 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-09-10 07:55:36,960 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 98 [2019-09-10 07:55:39,557 WARN L188 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2019-09-10 07:55:40,222 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2019-09-10 07:55:40,998 WARN L188 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2019-09-10 07:55:41,597 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2019-09-10 07:55:42,979 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2019-09-10 07:55:43,379 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-10 07:55:43,839 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:55:44,205 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-09-10 07:55:44,822 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:55:45,515 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-10 07:55:45,930 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2019-09-10 07:55:46,461 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-10 07:55:46,860 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:55:49,395 WARN L188 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:55:49,757 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-10 07:55:50,388 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:55:50,870 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:55:51,241 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-10 07:55:51,664 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:55:52,080 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-09-10 07:55:52,505 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-10 07:55:54,584 WARN L188 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2019-09-10 07:55:54,870 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-10 07:55:55,163 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-10 07:55:55,635 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 07:55:56,059 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-10 07:55:56,702 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 07:55:57,422 WARN L188 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:55:57,911 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2019-09-10 07:55:58,266 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:55:58,730 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:55:59,143 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:55:59,555 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:56:00,177 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:56:00,632 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 07:56:01,160 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-10 07:56:01,656 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:56:01,996 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2019-09-10 07:56:02,512 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 07:56:03,085 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:56:03,526 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2019-09-10 07:56:04,001 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-10 07:56:04,526 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2019-09-10 07:56:05,136 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:56:05,591 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2019-09-10 07:56:05,982 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-10 07:56:06,510 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-10 07:56:06,999 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2019-09-10 07:56:07,384 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-10 07:56:07,950 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 07:56:08,662 WARN L188 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:56:09,022 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 07:56:09,523 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-10 07:56:10,109 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-10 07:56:10,537 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:56:11,314 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 07:56:11,742 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:56:12,147 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-10 07:56:12,922 WARN L188 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 07:56:13,448 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 07:56:14,030 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:56:14,331 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:56:14,658 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:56:15,181 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-10 07:56:16,011 WARN L188 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 07:56:16,377 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 07:56:16,770 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 07:56:17,200 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-10 07:56:17,642 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-10 07:56:18,066 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:56:18,493 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:56:18,965 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:56:19,545 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:56:20,238 WARN L188 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:56:20,778 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-10 07:56:21,363 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:56:22,038 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:56:22,430 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2019-09-10 07:56:23,130 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:56:23,554 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-10 07:56:24,006 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 89 [2019-09-10 07:56:24,385 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 07:56:24,740 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 07:56:25,529 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 07:56:25,864 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-10 07:56:26,289 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 07:56:26,734 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:56:27,134 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:56:27,658 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 07:56:28,155 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-10 07:56:28,985 WARN L188 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-10 07:56:29,554 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 07:56:30,001 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-10 07:56:30,500 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-10 07:56:31,019 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 07:56:31,656 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 07:56:32,051 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:56:32,600 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-10 07:56:33,063 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-10 07:56:33,460 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-10 07:56:33,858 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 07:56:34,282 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 07:56:34,780 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:56:35,345 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:56:35,841 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:56:36,281 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 07:56:36,764 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 07:56:37,494 WARN L188 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 07:56:37,948 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-10 07:56:38,504 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 07:56:39,279 WARN L188 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-10 07:56:40,004 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2019-09-10 07:56:40,506 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:56:40,918 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-10 07:56:41,420 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 07:56:41,891 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:56:42,406 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 07:56:43,055 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-10 07:56:43,436 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:56:44,366 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:56:44,947 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:56:45,551 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 07:56:46,295 WARN L188 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 07:56:46,771 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-10 07:56:47,216 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:56:47,627 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-10 07:56:48,147 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 07:56:48,478 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 07:56:49,091 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-09-10 07:56:49,646 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2019-09-10 07:56:50,170 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:56:50,606 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-10 07:56:54,229 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:56:54,671 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-10 07:56:55,141 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:56:55,710 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-10 07:56:56,130 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:56:56,815 WARN L188 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-10 07:56:57,196 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:56:57,746 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 07:56:58,154 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-10 07:56:58,654 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:56:58,999 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 07:56:59,633 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:57:00,333 WARN L188 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:57:00,804 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-10 07:57:01,253 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:57:01,876 WARN L188 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:57:02,257 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 07:57:02,626 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:57:03,011 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:57:03,491 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:57:03,965 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-10 07:57:04,532 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:57:04,935 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2019-09-10 07:57:05,340 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 07:57:05,708 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:57:06,057 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2019-09-10 07:57:06,480 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:57:07,013 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 85 [2019-09-10 07:57:07,545 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-09-10 07:57:08,476 WARN L188 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-10 07:57:08,763 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-10 07:57:09,050 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-10 07:57:09,437 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 07:57:09,768 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 07:57:10,209 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-10 07:57:10,644 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2019-09-10 07:57:11,088 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-10 07:57:11,523 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 07:57:12,097 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-10 07:57:13,342 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-09-10 07:57:13,850 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-09-10 07:57:14,249 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2019-09-10 07:57:14,666 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-10 07:57:15,090 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-10 07:57:15,466 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 07:57:15,862 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 07:57:16,275 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-10 07:57:16,641 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-10 07:57:16,994 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 07:57:17,332 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 07:57:17,676 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 07:57:18,084 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-10 07:57:18,447 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 07:57:18,847 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2019-09-10 07:57:19,331 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 83 [2019-09-10 07:57:19,869 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:57:20,292 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 07:57:20,748 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-10 07:57:21,157 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:57:22,319 WARN L188 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2019-09-10 07:57:22,779 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 07:57:23,218 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 07:57:23,602 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 07:57:24,162 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 07:57:24,806 WARN L188 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-09-10 07:57:25,183 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:57:25,954 WARN L188 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 07:57:26,406 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 07:57:26,903 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-10 07:57:27,342 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 96 [2019-09-10 07:57:27,796 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:57:28,210 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:57:28,586 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 07:57:29,142 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-10 07:57:29,633 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-10 07:57:30,171 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:57:30,730 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-10 07:57:31,468 WARN L188 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2019-09-10 07:57:32,052 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-09-10 07:57:32,499 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:57:32,935 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2019-09-10 07:57:33,430 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2019-09-10 07:57:34,078 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2019-09-10 07:57:34,638 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-10 07:57:35,052 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 07:57:35,526 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2019-09-10 07:57:36,076 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 07:57:37,592 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-10 07:57:38,256 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 07:57:39,607 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-09-10 07:57:40,247 WARN L188 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-09-10 07:57:40,891 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:57:41,338 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-10 07:57:41,833 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:57:42,208 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 07:57:42,635 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-10 07:57:43,277 WARN L188 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 07:57:43,711 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-10 07:57:44,369 WARN L188 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-10 07:57:44,924 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-09-10 07:57:45,395 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:57:45,969 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 07:57:46,567 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-09-10 07:57:47,127 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-10 07:57:47,713 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 102 [2019-09-10 07:57:48,292 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-09-10 07:57:48,687 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 07:57:49,127 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2019-09-10 07:57:49,568 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-10 07:57:50,220 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 104 [2019-09-10 07:57:50,699 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-10 07:57:51,397 WARN L188 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-10 07:57:51,881 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2019-09-10 07:57:53,310 WARN L188 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-10 07:57:54,385 WARN L188 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2019-09-10 07:57:54,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 07:57:54,575 INFO L93 Difference]: Finished difference Result 893291 states and 1166863 transitions. [2019-09-10 07:57:54,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 904 states. [2019-09-10 07:57:54,576 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 130 [2019-09-10 07:57:54,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 07:57:56,017 INFO L225 Difference]: With dead ends: 893291 [2019-09-10 07:57:56,017 INFO L226 Difference]: Without dead ends: 893291 [2019-09-10 07:57:56,065 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 219 SyntacticMatches, 22 SemanticMatches, 937 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428697 ImplicationChecksByTransitivity, 477.8s TimeCoverageRelationStatistics Valid=82224, Invalid=798558, Unknown=0, NotChecked=0, Total=880782 [2019-09-10 07:57:56,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893291 states. [2019-09-10 07:58:07,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893291 to 178547. [2019-09-10 07:58:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178547 states. [2019-09-10 07:58:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178547 states to 178547 states and 238125 transitions. [2019-09-10 07:58:07,537 INFO L78 Accepts]: Start accepts. Automaton has 178547 states and 238125 transitions. Word has length 130 [2019-09-10 07:58:07,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 07:58:07,537 INFO L475 AbstractCegarLoop]: Abstraction has 178547 states and 238125 transitions. [2019-09-10 07:58:07,537 INFO L476 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-09-10 07:58:07,537 INFO L276 IsEmpty]: Start isEmpty. Operand 178547 states and 238125 transitions. [2019-09-10 07:58:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-10 07:58:07,563 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 07:58:07,564 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-10 07:58:07,564 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 07:58:07,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:58:07,565 INFO L82 PathProgramCache]: Analyzing trace with hash -2016105924, now seen corresponding path program 1 times [2019-09-10 07:58:07,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 07:58:07,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:58:07,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:58:07,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 07:58:07,566 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 07:58:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:58:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 07:58:07,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:58:07,897 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 07:58:07,897 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 131 with the following transitions: [2019-09-10 07:58:07,898 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], [79], [82], [85], [87], [91], [94], [97], [99], [103], [106], [109], [111], [115], [118], [121], [123], [126], [130], [133], [136], [140], [143], [146], [149], [152], [154], [157], [160], [163], [165], [168], [171], [174], [176], [179], [182], [185], [187], [189], [192], [199], [201], [204], [205], [207], [210], [213], [221], [223], [226], [229], [234], [236], [239], [247], [249], [252], [255], [260], [262], [264], [267], [273], [276], [279], [281], [296], [298], [301], [304], [306], [314], [317], [323], [326], [329], [331], [346], [348], [351], [354], [356], [372], [375], [379], [463], [464], [468], [469], [470] [2019-09-10 07:58:07,908 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 07:58:07,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 07:58:07,943 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 07:58:08,352 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 07:58:08,353 INFO L272 AbstractInterpreter]: Visited 116 different actions 533 times. Merged at 47 different actions 363 times. Widened at 14 different actions 51 times. Performed 1971 root evaluator evaluations with a maximum evaluation depth of 5. Performed 1971 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 38 fixpoints after 11 different actions. Largest state had 132 variables. [2019-09-10 07:58:08,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 07:58:08,353 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 07:58:08,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 07:58:08,354 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-10 07:58:08,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 07:58:08,374 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 07:58:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 07:58:08,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-10 07:58:08,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 07:58:08,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:08,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,167 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 07:58:09,168 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 07:58:09,477 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,478 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,483 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,484 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:09,489 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:10,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 07:58:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 07:58:10,704 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 07:58:10,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2019-09-10 07:58:10,704 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 07:58:10,705 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-10 07:58:10,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-10 07:58:10,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2019-09-10 07:58:10,706 INFO L87 Difference]: Start difference. First operand 178547 states and 238125 transitions. Second operand 21 states. [2019-09-10 07:58:11,207 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-10 07:58:11,719 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-10 07:58:12,505 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2019-09-10 07:58:13,009 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-09-10 07:58:13,548 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-10 07:58:13,903 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-10 07:58:14,280 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-10 07:58:14,574 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-10 07:58:15,287 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2019-09-10 07:58:18,192 WARN L188 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 07:58:18,585 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 07:58:18,939 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-09-10 07:58:19,350 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 76 [2019-09-10 07:58:19,626 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-10 07:58:20,097 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-10 07:58:20,549 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2019-09-10 07:58:21,194 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:58:21,574 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 07:58:21,988 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:58:22,361 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:58:22,868 WARN L188 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 07:58:23,518 WARN L188 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:58:23,896 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 07:58:24,353 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 07:58:24,826 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-09-10 07:58:25,187 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 07:58:25,527 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2019-09-10 07:58:26,016 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:58:26,488 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 07:58:26,919 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 07:58:27,590 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:58:28,098 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:58:28,540 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 07:58:28,857 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-10 07:58:29,446 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-10 07:58:29,984 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 07:58:30,510 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-10 07:58:30,913 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 07:58:31,399 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-10 07:58:31,976 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 07:58:32,537 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2019-09-10 07:58:32,933 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-10 07:58:33,338 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 07:58:33,742 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 07:58:34,201 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:58:34,807 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:58:35,417 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-09-10 07:58:35,839 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2019-09-10 07:58:36,223 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:58:36,645 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2019-09-10 07:58:37,023 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:58:37,689 WARN L188 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 82 [2019-09-10 07:58:38,305 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:58:38,862 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:58:39,296 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-10 07:58:39,757 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:58:40,172 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-10 07:58:40,884 WARN L188 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:58:41,316 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-10 07:58:41,803 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-09-10 07:58:42,111 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2019-09-10 07:58:42,768 WARN L188 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 82 [2019-09-10 07:58:43,205 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:58:43,669 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:58:44,059 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-09-10 07:58:44,417 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2019-09-10 07:58:45,118 WARN L188 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:58:45,797 WARN L188 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:58:46,160 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 07:58:46,590 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2019-09-10 07:58:49,088 WARN L188 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 07:58:49,479 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 07:58:49,799 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 07:58:50,206 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-10 07:58:51,456 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 07:58:51,790 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 07:58:52,364 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:58:52,739 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:58:53,161 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:58:53,724 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:58:54,505 WARN L188 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:58:55,038 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:58:55,701 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:58:56,259 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:58:56,695 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:58:57,412 WARN L188 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:58:57,838 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:58:58,252 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:58:58,766 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:58:59,168 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:58:59,543 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:58:59,915 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:59:00,270 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 07:59:00,630 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 07:59:01,260 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:01,864 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:02,355 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:02,724 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:03,366 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 07:59:03,849 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 07:59:04,438 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:59:04,985 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:59:05,445 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:05,902 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:06,612 WARN L188 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:59:07,030 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:59:07,506 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:08,078 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:08,494 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:59:08,849 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2019-09-10 07:59:09,309 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:09,742 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:10,340 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:10,773 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:11,252 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:11,895 WARN L188 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:12,311 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:12,949 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:13,363 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:13,836 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 89 [2019-09-10 07:59:14,187 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:59:14,534 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 07:59:14,903 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 07:59:15,280 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-10 07:59:16,049 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 07:59:16,514 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-10 07:59:16,920 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 07:59:17,373 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:59:17,979 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:59:20,519 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:59:21,074 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:59:21,481 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:21,899 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:22,333 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:59:22,806 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:59:23,355 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:59:23,950 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:59:24,355 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:24,737 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:25,139 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-10 07:59:25,532 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2019-09-10 07:59:26,023 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:59:26,721 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:59:27,224 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:27,715 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 07:59:28,184 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:29,140 WARN L188 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:29,697 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:30,232 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:30,713 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:31,215 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:31,840 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:59:32,611 WARN L188 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2019-09-10 07:59:33,068 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:59:33,780 WARN L188 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:59:34,215 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-09-10 07:59:34,595 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-10 07:59:34,971 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-09-10 07:59:35,501 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-10 07:59:35,850 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 07:59:36,393 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-09-10 07:59:36,974 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:59:37,517 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81 [2019-09-10 07:59:38,005 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:38,693 WARN L188 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2019-09-10 07:59:39,407 WARN L188 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-09-10 07:59:39,738 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 71 [2019-09-10 07:59:40,098 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 82 [2019-09-10 07:59:40,515 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2019-09-10 07:59:40,888 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81 [2019-09-10 07:59:41,309 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2019-09-10 07:59:41,802 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:42,303 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 101 [2019-09-10 07:59:42,837 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:43,260 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:59:43,788 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:59:44,201 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2019-09-10 07:59:44,611 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 76 [2019-09-10 07:59:44,969 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-10 07:59:45,531 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-09-10 07:59:45,949 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-09-10 07:59:46,609 WARN L188 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-09-10 07:59:47,034 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:59:47,472 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:59:47,898 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:59:48,331 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2019-09-10 07:59:48,819 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2019-09-10 07:59:49,340 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 95 [2019-09-10 07:59:49,735 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2019-09-10 07:59:51,103 WARN L188 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2019-09-10 07:59:51,770 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2019-09-10 07:59:52,201 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-09-10 07:59:52,771 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 07:59:53,268 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-10 07:59:53,664 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-09-10 07:59:54,020 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 07:59:54,413 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 81 [2019-09-10 07:59:54,991 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2019-09-10 07:59:55,438 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 07:59:55,965 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 07:59:56,376 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2019-09-10 07:59:58,236 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 07:59:58,742 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 07:59:59,322 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 07:59:59,686 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 08:00:00,215 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-10 08:00:00,596 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:00:01,169 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:00:01,767 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:00:02,181 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:00:02,711 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-09-10 08:00:03,090 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 08:00:03,579 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:00:04,243 WARN L188 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2019-09-10 08:00:04,811 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:00:05,479 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:00:05,818 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:00:06,487 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:00:06,944 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 08:00:07,558 WARN L188 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2019-09-10 08:00:07,990 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:00:08,720 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-10 08:00:09,299 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:00:09,745 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-09-10 08:00:10,527 WARN L188 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2019-09-10 08:00:11,158 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 08:00:11,805 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-09-10 08:00:12,204 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:00:12,737 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 95 [2019-09-10 08:00:13,237 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:00:13,695 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:00:14,407 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2019-09-10 08:00:14,951 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-10 08:00:15,391 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:00:15,973 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2019-09-10 08:00:16,374 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:00:16,775 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:00:17,623 WARN L188 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:00:18,182 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2019-09-10 08:00:18,666 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2019-09-10 08:00:19,224 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 92 [2019-09-10 08:00:19,674 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:00:20,255 WARN L188 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 92 [2019-09-10 08:00:20,985 WARN L188 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2019-09-10 08:00:21,615 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2019-09-10 08:00:22,364 WARN L188 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2019-09-10 08:00:23,157 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2019-09-10 08:00:23,740 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2019-09-10 08:00:35,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:00:35,811 INFO L93 Difference]: Finished difference Result 1770453 states and 2300531 transitions. [2019-09-10 08:00:35,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2019-09-10 08:00:35,812 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 130 [2019-09-10 08:00:35,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:00:38,109 INFO L225 Difference]: With dead ends: 1770453 [2019-09-10 08:00:38,109 INFO L226 Difference]: Without dead ends: 1770453 [2019-09-10 08:00:38,113 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 219 SyntacticMatches, 23 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30804 ImplicationChecksByTransitivity, 121.4s TimeCoverageRelationStatistics Valid=12417, Invalid=66825, Unknown=0, NotChecked=0, Total=79242 [2019-09-10 08:00:39,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770453 states.