java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 11:30:48,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 11:30:48,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 11:30:48,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 11:30:48,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 11:30:48,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 11:30:48,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 11:30:48,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 11:30:48,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 11:30:48,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 11:30:48,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 11:30:48,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 11:30:48,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 11:30:48,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 11:30:48,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 11:30:48,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 11:30:48,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 11:30:48,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 11:30:48,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 11:30:48,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 11:30:48,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 11:30:48,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 11:30:48,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 11:30:48,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 11:30:48,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 11:30:48,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 11:30:48,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 11:30:48,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 11:30:48,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 11:30:48,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 11:30:48,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 11:30:48,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 11:30:48,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 11:30:48,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 11:30:48,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 11:30:48,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 11:30:48,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 11:30:48,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 11:30:48,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 11:30:48,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 11:30:48,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 11:30:48,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 11:30:48,472 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 11:30:48,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 11:30:48,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 11:30:48,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 11:30:48,474 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 11:30:48,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 11:30:48,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 11:30:48,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 11:30:48,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 11:30:48,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 11:30:48,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 11:30:48,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 11:30:48,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 11:30:48,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 11:30:48,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 11:30:48,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 11:30:48,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 11:30:48,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 11:30:48,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 11:30:48,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 11:30:48,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 11:30:48,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 11:30:48,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 11:30:48,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 11:30:48,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 11:30:48,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 11:30:48,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 11:30:48,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 11:30:48,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 11:30:48,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 11:30:48,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 11:30:48,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 11:30:48,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 11:30:48,541 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 11:30:48,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:30:48,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec13cc04/6bba88f29b4a41299cf0a23b53a5dbfe/FLAGb4a56d9e8 [2019-09-08 11:30:49,143 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 11:30:49,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:30:49,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec13cc04/6bba88f29b4a41299cf0a23b53a5dbfe/FLAGb4a56d9e8 [2019-09-08 11:30:49,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aec13cc04/6bba88f29b4a41299cf0a23b53a5dbfe [2019-09-08 11:30:49,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 11:30:49,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 11:30:49,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 11:30:49,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 11:30:49,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 11:30:49,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:30:49" (1/1) ... [2019-09-08 11:30:49,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30402c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:49, skipping insertion in model container [2019-09-08 11:30:49,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:30:49" (1/1) ... [2019-09-08 11:30:49,398 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 11:30:49,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 11:30:49,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:30:49,913 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 11:30:50,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 11:30:50,050 INFO L192 MainTranslator]: Completed translation [2019-09-08 11:30:50,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50 WrapperNode [2019-09-08 11:30:50,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 11:30:50,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 11:30:50,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 11:30:50,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 11:30:50,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (1/1) ... [2019-09-08 11:30:50,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (1/1) ... [2019-09-08 11:30:50,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (1/1) ... [2019-09-08 11:30:50,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (1/1) ... [2019-09-08 11:30:50,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (1/1) ... [2019-09-08 11:30:50,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (1/1) ... [2019-09-08 11:30:50,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (1/1) ... [2019-09-08 11:30:50,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 11:30:50,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 11:30:50,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 11:30:50,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 11:30:50,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (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 [2019-09-08 11:30:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 11:30:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 11:30:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 11:30:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 11:30:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 11:30:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 11:30:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-08 11:30:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 11:30:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 11:30:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-08 11:30:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-08 11:30:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-08 11:30:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-08 11:30:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-08 11:30:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-08 11:30:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-08 11:30:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 11:30:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 11:30:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 11:30:51,602 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 11:30:51,603 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 11:30:51,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:30:51 BoogieIcfgContainer [2019-09-08 11:30:51,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 11:30:51,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 11:30:51,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 11:30:51,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 11:30:51,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:30:49" (1/3) ... [2019-09-08 11:30:51,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:30:51, skipping insertion in model container [2019-09-08 11:30:51,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:30:50" (2/3) ... [2019-09-08 11:30:51,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:30:51, skipping insertion in model container [2019-09-08 11:30:51,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:30:51" (3/3) ... [2019-09-08 11:30:51,620 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-08 11:30:51,631 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 11:30:51,653 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-09-08 11:30:51,674 INFO L252 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-09-08 11:30:51,738 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 11:30:51,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 11:30:51,739 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 11:30:51,739 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 11:30:51,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 11:30:51,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 11:30:51,740 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 11:30:51,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 11:30:51,741 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 11:30:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2019-09-08 11:30:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-09-08 11:30:51,784 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:51,785 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] [2019-09-08 11:30:51,787 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:51,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:51,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2131533676, now seen corresponding path program 1 times [2019-09-08 11:30:51,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:51,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:51,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:51,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:51,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:52,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:52,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:30:52,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:30:52,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:30:52,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:30:52,258 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 5 states. [2019-09-08 11:30:52,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:52,697 INFO L93 Difference]: Finished difference Result 430 states and 712 transitions. [2019-09-08 11:30:52,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:30:52,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-09-08 11:30:52,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:52,733 INFO L225 Difference]: With dead ends: 430 [2019-09-08 11:30:52,733 INFO L226 Difference]: Without dead ends: 262 [2019-09-08 11:30:52,743 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:30:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2019-09-08 11:30:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 238. [2019-09-08 11:30:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-09-08 11:30:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 311 transitions. [2019-09-08 11:30:52,878 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 311 transitions. Word has length 50 [2019-09-08 11:30:52,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:52,880 INFO L475 AbstractCegarLoop]: Abstraction has 238 states and 311 transitions. [2019-09-08 11:30:52,880 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:30:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 311 transitions. [2019-09-08 11:30:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 11:30:52,889 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:52,889 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:52,890 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:52,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:52,891 INFO L82 PathProgramCache]: Analyzing trace with hash -808666982, now seen corresponding path program 1 times [2019-09-08 11:30:52,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:52,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:52,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:52,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:52,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:53,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:53,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:30:53,117 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:30:53,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:30:53,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:30:53,118 INFO L87 Difference]: Start difference. First operand 238 states and 311 transitions. Second operand 5 states. [2019-09-08 11:30:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:53,360 INFO L93 Difference]: Finished difference Result 421 states and 564 transitions. [2019-09-08 11:30:53,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:30:53,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-09-08 11:30:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:53,365 INFO L225 Difference]: With dead ends: 421 [2019-09-08 11:30:53,365 INFO L226 Difference]: Without dead ends: 228 [2019-09-08 11:30:53,369 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:30:53,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-09-08 11:30:53,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2019-09-08 11:30:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-09-08 11:30:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2019-09-08 11:30:53,402 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 51 [2019-09-08 11:30:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:53,403 INFO L475 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2019-09-08 11:30:53,403 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:30:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2019-09-08 11:30:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 11:30:53,405 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:53,405 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:53,406 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:53,406 INFO L82 PathProgramCache]: Analyzing trace with hash -215759242, now seen corresponding path program 1 times [2019-09-08 11:30:53,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:53,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:53,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:53,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:53,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:53,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:53,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:30:53,528 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:30:53,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:30:53,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:30:53,529 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 5 states. [2019-09-08 11:30:53,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:53,682 INFO L93 Difference]: Finished difference Result 411 states and 548 transitions. [2019-09-08 11:30:53,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:30:53,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-09-08 11:30:53,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:53,686 INFO L225 Difference]: With dead ends: 411 [2019-09-08 11:30:53,687 INFO L226 Difference]: Without dead ends: 220 [2019-09-08 11:30:53,688 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:30:53,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-09-08 11:30:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2019-09-08 11:30:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-08 11:30:53,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 286 transitions. [2019-09-08 11:30:53,707 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 286 transitions. Word has length 52 [2019-09-08 11:30:53,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:53,708 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 286 transitions. [2019-09-08 11:30:53,708 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:30:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 286 transitions. [2019-09-08 11:30:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:30:53,716 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:53,717 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:53,718 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:53,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:53,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2143272380, now seen corresponding path program 1 times [2019-09-08 11:30:53,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:53,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:53,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:53,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:53,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:53,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:53,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:30:53,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:30:53,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:30:53,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:30:53,976 INFO L87 Difference]: Start difference. First operand 220 states and 286 transitions. Second operand 9 states. [2019-09-08 11:30:54,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:54,725 INFO L93 Difference]: Finished difference Result 535 states and 739 transitions. [2019-09-08 11:30:54,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:30:54,725 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-09-08 11:30:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:54,728 INFO L225 Difference]: With dead ends: 535 [2019-09-08 11:30:54,729 INFO L226 Difference]: Without dead ends: 530 [2019-09-08 11:30:54,729 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2019-09-08 11:30:54,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-09-08 11:30:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 220. [2019-09-08 11:30:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-08 11:30:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 285 transitions. [2019-09-08 11:30:54,748 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 285 transitions. Word has length 53 [2019-09-08 11:30:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:54,749 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 285 transitions. [2019-09-08 11:30:54,749 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:30:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 285 transitions. [2019-09-08 11:30:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:30:54,750 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:54,750 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:54,751 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:54,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1585839580, now seen corresponding path program 1 times [2019-09-08 11:30:54,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:54,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:54,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:54,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:54,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:54,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:54,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:30:54,899 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:30:54,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:30:54,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:30:54,900 INFO L87 Difference]: Start difference. First operand 220 states and 285 transitions. Second operand 9 states. [2019-09-08 11:30:55,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:55,800 INFO L93 Difference]: Finished difference Result 627 states and 874 transitions. [2019-09-08 11:30:55,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 11:30:55,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-09-08 11:30:55,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:55,804 INFO L225 Difference]: With dead ends: 627 [2019-09-08 11:30:55,804 INFO L226 Difference]: Without dead ends: 526 [2019-09-08 11:30:55,805 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2019-09-08 11:30:55,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-09-08 11:30:55,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 220. [2019-09-08 11:30:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-08 11:30:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 284 transitions. [2019-09-08 11:30:55,829 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 284 transitions. Word has length 53 [2019-09-08 11:30:55,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:55,829 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 284 transitions. [2019-09-08 11:30:55,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:30:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 284 transitions. [2019-09-08 11:30:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 11:30:55,831 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:55,831 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:55,831 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:55,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:55,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1953897721, now seen corresponding path program 1 times [2019-09-08 11:30:55,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:55,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:55,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:55,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:55,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:55,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:55,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 11:30:55,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 11:30:55,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 11:30:55,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-08 11:30:55,956 INFO L87 Difference]: Start difference. First operand 220 states and 284 transitions. Second operand 8 states. [2019-09-08 11:30:56,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:56,308 INFO L93 Difference]: Finished difference Result 464 states and 619 transitions. [2019-09-08 11:30:56,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 11:30:56,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-09-08 11:30:56,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:56,312 INFO L225 Difference]: With dead ends: 464 [2019-09-08 11:30:56,312 INFO L226 Difference]: Without dead ends: 340 [2019-09-08 11:30:56,313 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2019-09-08 11:30:56,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-09-08 11:30:56,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 220. [2019-09-08 11:30:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-08 11:30:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 283 transitions. [2019-09-08 11:30:56,338 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 283 transitions. Word has length 53 [2019-09-08 11:30:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:56,339 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 283 transitions. [2019-09-08 11:30:56,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 11:30:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 283 transitions. [2019-09-08 11:30:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:30:56,340 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:56,340 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] [2019-09-08 11:30:56,341 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:56,341 INFO L82 PathProgramCache]: Analyzing trace with hash 136408186, now seen corresponding path program 1 times [2019-09-08 11:30:56,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:56,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:56,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:56,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:56,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:57,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:57,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 11:30:57,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 11:30:57,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 11:30:57,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:30:57,149 INFO L87 Difference]: Start difference. First operand 220 states and 283 transitions. Second operand 16 states. [2019-09-08 11:30:57,699 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-08 11:30:58,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:30:58,861 INFO L93 Difference]: Finished difference Result 391 states and 503 transitions. [2019-09-08 11:30:58,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:30:58,862 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2019-09-08 11:30:58,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:30:58,866 INFO L225 Difference]: With dead ends: 391 [2019-09-08 11:30:58,866 INFO L226 Difference]: Without dead ends: 387 [2019-09-08 11:30:58,868 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2019-09-08 11:30:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-08 11:30:58,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 224. [2019-09-08 11:30:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-09-08 11:30:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 289 transitions. [2019-09-08 11:30:58,891 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 289 transitions. Word has length 55 [2019-09-08 11:30:58,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:30:58,892 INFO L475 AbstractCegarLoop]: Abstraction has 224 states and 289 transitions. [2019-09-08 11:30:58,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 11:30:58,892 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 289 transitions. [2019-09-08 11:30:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-08 11:30:58,893 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:30:58,894 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:30:58,894 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:30:58,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:30:58,894 INFO L82 PathProgramCache]: Analyzing trace with hash 740612440, now seen corresponding path program 1 times [2019-09-08 11:30:58,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:30:58,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:30:58,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:58,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:30:58,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:30:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:30:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:30:59,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:30:59,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-08 11:30:59,640 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 11:30:59,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 11:30:59,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:30:59,641 INFO L87 Difference]: Start difference. First operand 224 states and 289 transitions. Second operand 15 states. [2019-09-08 11:31:00,235 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 11:31:00,394 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-08 11:31:01,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:01,152 INFO L93 Difference]: Finished difference Result 461 states and 636 transitions. [2019-09-08 11:31:01,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 11:31:01,152 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 55 [2019-09-08 11:31:01,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:01,154 INFO L225 Difference]: With dead ends: 461 [2019-09-08 11:31:01,155 INFO L226 Difference]: Without dead ends: 348 [2019-09-08 11:31:01,156 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:31:01,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-09-08 11:31:01,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 213. [2019-09-08 11:31:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-09-08 11:31:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 275 transitions. [2019-09-08 11:31:01,180 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 275 transitions. Word has length 55 [2019-09-08 11:31:01,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:01,182 INFO L475 AbstractCegarLoop]: Abstraction has 213 states and 275 transitions. [2019-09-08 11:31:01,182 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 11:31:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 275 transitions. [2019-09-08 11:31:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:31:01,183 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:01,183 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:01,184 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:01,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:01,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1710260461, now seen corresponding path program 1 times [2019-09-08 11:31:01,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:01,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:01,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:01,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:01,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:01,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:01,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:31:01,363 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:31:01,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:31:01,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:31:01,364 INFO L87 Difference]: Start difference. First operand 213 states and 275 transitions. Second operand 9 states. [2019-09-08 11:31:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:02,170 INFO L93 Difference]: Finished difference Result 549 states and 769 transitions. [2019-09-08 11:31:02,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 11:31:02,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-09-08 11:31:02,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:02,174 INFO L225 Difference]: With dead ends: 549 [2019-09-08 11:31:02,174 INFO L226 Difference]: Without dead ends: 435 [2019-09-08 11:31:02,175 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2019-09-08 11:31:02,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-09-08 11:31:02,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 213. [2019-09-08 11:31:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-09-08 11:31:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 273 transitions. [2019-09-08 11:31:02,202 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 273 transitions. Word has length 56 [2019-09-08 11:31:02,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:02,203 INFO L475 AbstractCegarLoop]: Abstraction has 213 states and 273 transitions. [2019-09-08 11:31:02,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:31:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 273 transitions. [2019-09-08 11:31:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:31:02,204 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:02,204 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:02,205 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:02,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:02,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2007948800, now seen corresponding path program 1 times [2019-09-08 11:31:02,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:02,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:02,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:02,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:02,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:02,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:02,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:31:02,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:31:02,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:31:02,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:31:02,342 INFO L87 Difference]: Start difference. First operand 213 states and 273 transitions. Second operand 9 states. [2019-09-08 11:31:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:02,857 INFO L93 Difference]: Finished difference Result 340 states and 448 transitions. [2019-09-08 11:31:02,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:31:02,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-09-08 11:31:02,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:02,860 INFO L225 Difference]: With dead ends: 340 [2019-09-08 11:31:02,860 INFO L226 Difference]: Without dead ends: 333 [2019-09-08 11:31:02,861 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:31:02,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-09-08 11:31:02,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 213. [2019-09-08 11:31:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-09-08 11:31:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 271 transitions. [2019-09-08 11:31:02,884 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 271 transitions. Word has length 56 [2019-09-08 11:31:02,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:02,884 INFO L475 AbstractCegarLoop]: Abstraction has 213 states and 271 transitions. [2019-09-08 11:31:02,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:31:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 271 transitions. [2019-09-08 11:31:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:31:02,885 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:02,885 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] [2019-09-08 11:31:02,886 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:02,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:02,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1518456221, now seen corresponding path program 1 times [2019-09-08 11:31:02,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:02,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:02,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:02,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:02,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:03,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:03,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 11:31:03,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 11:31:03,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 11:31:03,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 11:31:03,411 INFO L87 Difference]: Start difference. First operand 213 states and 271 transitions. Second operand 13 states. [2019-09-08 11:31:03,924 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-08 11:31:04,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:04,642 INFO L93 Difference]: Finished difference Result 667 states and 948 transitions. [2019-09-08 11:31:04,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 11:31:04,643 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2019-09-08 11:31:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:04,647 INFO L225 Difference]: With dead ends: 667 [2019-09-08 11:31:04,647 INFO L226 Difference]: Without dead ends: 647 [2019-09-08 11:31:04,648 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2019-09-08 11:31:04,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2019-09-08 11:31:04,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 193. [2019-09-08 11:31:04,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-09-08 11:31:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2019-09-08 11:31:04,677 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 56 [2019-09-08 11:31:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:04,678 INFO L475 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2019-09-08 11:31:04,678 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 11:31:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2019-09-08 11:31:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 11:31:04,679 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:04,679 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:04,679 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:04,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:04,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1716858446, now seen corresponding path program 1 times [2019-09-08 11:31:04,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:04,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:04,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:04,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:04,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:04,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:04,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 11:31:04,996 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 11:31:04,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 11:31:04,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-09-08 11:31:04,996 INFO L87 Difference]: Start difference. First operand 193 states and 248 transitions. Second operand 11 states. [2019-09-08 11:31:05,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:05,491 INFO L93 Difference]: Finished difference Result 485 states and 676 transitions. [2019-09-08 11:31:05,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:31:05,491 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2019-09-08 11:31:05,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:05,493 INFO L225 Difference]: With dead ends: 485 [2019-09-08 11:31:05,494 INFO L226 Difference]: Without dead ends: 397 [2019-09-08 11:31:05,494 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2019-09-08 11:31:05,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-09-08 11:31:05,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 189. [2019-09-08 11:31:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-09-08 11:31:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 243 transitions. [2019-09-08 11:31:05,522 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 243 transitions. Word has length 56 [2019-09-08 11:31:05,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:05,522 INFO L475 AbstractCegarLoop]: Abstraction has 189 states and 243 transitions. [2019-09-08 11:31:05,522 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 11:31:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 243 transitions. [2019-09-08 11:31:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 11:31:05,523 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:05,523 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:05,524 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:05,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:05,524 INFO L82 PathProgramCache]: Analyzing trace with hash 628872757, now seen corresponding path program 1 times [2019-09-08 11:31:05,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:05,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:05,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:05,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:05,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:05,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:05,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:31:05,704 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:31:05,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:31:05,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:31:05,705 INFO L87 Difference]: Start difference. First operand 189 states and 243 transitions. Second operand 10 states. [2019-09-08 11:31:06,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:06,651 INFO L93 Difference]: Finished difference Result 398 states and 544 transitions. [2019-09-08 11:31:06,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:31:06,652 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-08 11:31:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:06,654 INFO L225 Difference]: With dead ends: 398 [2019-09-08 11:31:06,655 INFO L226 Difference]: Without dead ends: 391 [2019-09-08 11:31:06,655 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:31:06,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-09-08 11:31:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 189. [2019-09-08 11:31:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-09-08 11:31:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 242 transitions. [2019-09-08 11:31:06,687 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 242 transitions. Word has length 57 [2019-09-08 11:31:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:06,688 INFO L475 AbstractCegarLoop]: Abstraction has 189 states and 242 transitions. [2019-09-08 11:31:06,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:31:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 242 transitions. [2019-09-08 11:31:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 11:31:06,689 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:06,689 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:06,689 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:06,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:06,690 INFO L82 PathProgramCache]: Analyzing trace with hash -50398382, now seen corresponding path program 1 times [2019-09-08 11:31:06,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:06,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:06,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:06,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:06,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:07,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:07,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:31:07,180 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:31:07,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:31:07,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:31:07,181 INFO L87 Difference]: Start difference. First operand 189 states and 242 transitions. Second operand 18 states. [2019-09-08 11:31:07,338 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-08 11:31:07,879 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-08 11:31:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:08,792 INFO L93 Difference]: Finished difference Result 391 states and 533 transitions. [2019-09-08 11:31:08,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:31:08,792 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2019-09-08 11:31:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:08,795 INFO L225 Difference]: With dead ends: 391 [2019-09-08 11:31:08,795 INFO L226 Difference]: Without dead ends: 385 [2019-09-08 11:31:08,796 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=200, Invalid=856, Unknown=0, NotChecked=0, Total=1056 [2019-09-08 11:31:08,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-09-08 11:31:08,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 195. [2019-09-08 11:31:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-09-08 11:31:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2019-09-08 11:31:08,827 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 58 [2019-09-08 11:31:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:08,827 INFO L475 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2019-09-08 11:31:08,827 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:31:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2019-09-08 11:31:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:31:08,828 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:08,828 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:08,828 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1958291018, now seen corresponding path program 1 times [2019-09-08 11:31:08,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:08,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:08,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:08,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:09,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:09,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 11:31:09,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 11:31:09,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 11:31:09,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-09-08 11:31:09,147 INFO L87 Difference]: Start difference. First operand 195 states and 250 transitions. Second operand 11 states. [2019-09-08 11:31:09,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:09,906 INFO L93 Difference]: Finished difference Result 663 states and 941 transitions. [2019-09-08 11:31:09,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 11:31:09,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2019-09-08 11:31:09,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:09,911 INFO L225 Difference]: With dead ends: 663 [2019-09-08 11:31:09,911 INFO L226 Difference]: Without dead ends: 657 [2019-09-08 11:31:09,912 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-09-08 11:31:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-09-08 11:31:09,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 183. [2019-09-08 11:31:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-09-08 11:31:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 235 transitions. [2019-09-08 11:31:09,944 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 235 transitions. Word has length 59 [2019-09-08 11:31:09,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:09,944 INFO L475 AbstractCegarLoop]: Abstraction has 183 states and 235 transitions. [2019-09-08 11:31:09,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 11:31:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 235 transitions. [2019-09-08 11:31:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 11:31:09,945 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:09,946 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:09,946 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:09,946 INFO L82 PathProgramCache]: Analyzing trace with hash 435613388, now seen corresponding path program 1 times [2019-09-08 11:31:09,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:09,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:09,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:09,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:09,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:10,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:10,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 11:31:10,835 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 11:31:10,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 11:31:10,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-09-08 11:31:10,836 INFO L87 Difference]: Start difference. First operand 183 states and 235 transitions. Second operand 18 states. [2019-09-08 11:31:11,426 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-08 11:31:11,571 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-08 11:31:11,730 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-08 11:31:11,912 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-08 11:31:12,060 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-08 11:31:12,236 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-08 11:31:12,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:12,865 INFO L93 Difference]: Finished difference Result 191 states and 242 transitions. [2019-09-08 11:31:12,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 11:31:12,866 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2019-09-08 11:31:12,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:12,867 INFO L225 Difference]: With dead ends: 191 [2019-09-08 11:31:12,867 INFO L226 Difference]: Without dead ends: 183 [2019-09-08 11:31:12,868 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=227, Invalid=703, Unknown=0, NotChecked=0, Total=930 [2019-09-08 11:31:12,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2019-09-08 11:31:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2019-09-08 11:31:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-09-08 11:31:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2019-09-08 11:31:12,896 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 59 [2019-09-08 11:31:12,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:12,897 INFO L475 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2019-09-08 11:31:12,897 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 11:31:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2019-09-08 11:31:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 11:31:12,898 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:12,898 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:12,898 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:12,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:12,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1550714451, now seen corresponding path program 1 times [2019-09-08 11:31:12,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:12,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:12,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:12,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:12,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:13,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:13,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 11:31:13,225 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 11:31:13,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 11:31:13,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-08 11:31:13,226 INFO L87 Difference]: Start difference. First operand 183 states and 234 transitions. Second operand 10 states. [2019-09-08 11:31:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:13,679 INFO L93 Difference]: Finished difference Result 449 states and 632 transitions. [2019-09-08 11:31:13,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 11:31:13,679 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-09-08 11:31:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:13,681 INFO L225 Difference]: With dead ends: 449 [2019-09-08 11:31:13,681 INFO L226 Difference]: Without dead ends: 431 [2019-09-08 11:31:13,682 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:31:13,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-09-08 11:31:13,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 165. [2019-09-08 11:31:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-09-08 11:31:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2019-09-08 11:31:13,714 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 60 [2019-09-08 11:31:13,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:13,714 INFO L475 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2019-09-08 11:31:13,714 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 11:31:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2019-09-08 11:31:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-08 11:31:13,715 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:13,715 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:13,716 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:13,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:13,716 INFO L82 PathProgramCache]: Analyzing trace with hash -767770571, now seen corresponding path program 1 times [2019-09-08 11:31:13,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:13,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:13,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:13,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:13,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:13,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:13,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:31:13,768 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:31:13,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:31:13,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:13,768 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand 3 states. [2019-09-08 11:31:13,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:13,839 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2019-09-08 11:31:13,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:31:13,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-09-08 11:31:13,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:13,841 INFO L225 Difference]: With dead ends: 325 [2019-09-08 11:31:13,841 INFO L226 Difference]: Without dead ends: 241 [2019-09-08 11:31:13,842 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2019-09-08 11:31:13,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2019-09-08 11:31:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-09-08 11:31:13,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 325 transitions. [2019-09-08 11:31:13,910 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 325 transitions. Word has length 76 [2019-09-08 11:31:13,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:13,911 INFO L475 AbstractCegarLoop]: Abstraction has 239 states and 325 transitions. [2019-09-08 11:31:13,911 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:31:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 325 transitions. [2019-09-08 11:31:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:31:13,912 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:13,912 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] [2019-09-08 11:31:13,913 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:13,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:13,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1249178759, now seen corresponding path program 1 times [2019-09-08 11:31:13,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:13,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:13,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:13,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:13,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:14,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:14,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:31:14,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:31:14,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:31:14,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:31:14,004 INFO L87 Difference]: Start difference. First operand 239 states and 325 transitions. Second operand 7 states. [2019-09-08 11:31:14,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:14,455 INFO L93 Difference]: Finished difference Result 895 states and 1297 transitions. [2019-09-08 11:31:14,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:31:14,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-09-08 11:31:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:14,459 INFO L225 Difference]: With dead ends: 895 [2019-09-08 11:31:14,459 INFO L226 Difference]: Without dead ends: 737 [2019-09-08 11:31:14,460 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:31:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2019-09-08 11:31:14,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 435. [2019-09-08 11:31:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-09-08 11:31:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 617 transitions. [2019-09-08 11:31:14,560 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 617 transitions. Word has length 78 [2019-09-08 11:31:14,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:14,560 INFO L475 AbstractCegarLoop]: Abstraction has 435 states and 617 transitions. [2019-09-08 11:31:14,560 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:31:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 617 transitions. [2019-09-08 11:31:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:31:14,562 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:14,562 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] [2019-09-08 11:31:14,562 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash 620887447, now seen corresponding path program 1 times [2019-09-08 11:31:14,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:14,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:14,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:14,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:14,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:14,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:14,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:31:14,614 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:31:14,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:31:14,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:14,614 INFO L87 Difference]: Start difference. First operand 435 states and 617 transitions. Second operand 3 states. [2019-09-08 11:31:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:14,825 INFO L93 Difference]: Finished difference Result 1103 states and 1603 transitions. [2019-09-08 11:31:14,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:31:14,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-08 11:31:14,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:14,829 INFO L225 Difference]: With dead ends: 1103 [2019-09-08 11:31:14,829 INFO L226 Difference]: Without dead ends: 749 [2019-09-08 11:31:14,830 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:14,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2019-09-08 11:31:15,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 739. [2019-09-08 11:31:15,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-09-08 11:31:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1049 transitions. [2019-09-08 11:31:15,032 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1049 transitions. Word has length 78 [2019-09-08 11:31:15,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:15,032 INFO L475 AbstractCegarLoop]: Abstraction has 739 states and 1049 transitions. [2019-09-08 11:31:15,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:31:15,032 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1049 transitions. [2019-09-08 11:31:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:31:15,034 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:15,034 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] [2019-09-08 11:31:15,034 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:15,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1331075096, now seen corresponding path program 1 times [2019-09-08 11:31:15,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:15,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:15,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:15,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:15,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:15,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:15,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:31:15,084 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:31:15,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:31:15,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:15,085 INFO L87 Difference]: Start difference. First operand 739 states and 1049 transitions. Second operand 3 states. [2019-09-08 11:31:15,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:15,324 INFO L93 Difference]: Finished difference Result 1735 states and 2503 transitions. [2019-09-08 11:31:15,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:31:15,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-08 11:31:15,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:15,328 INFO L225 Difference]: With dead ends: 1735 [2019-09-08 11:31:15,328 INFO L226 Difference]: Without dead ends: 1077 [2019-09-08 11:31:15,330 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:15,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2019-09-08 11:31:15,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1075. [2019-09-08 11:31:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2019-09-08 11:31:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1533 transitions. [2019-09-08 11:31:15,525 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1533 transitions. Word has length 78 [2019-09-08 11:31:15,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:15,525 INFO L475 AbstractCegarLoop]: Abstraction has 1075 states and 1533 transitions. [2019-09-08 11:31:15,525 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:31:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1533 transitions. [2019-09-08 11:31:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 11:31:15,526 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:15,527 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] [2019-09-08 11:31:15,527 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:15,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:15,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1630779315, now seen corresponding path program 1 times [2019-09-08 11:31:15,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:15,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:15,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:15,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:15,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:15,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:15,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:31:15,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:31:15,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:31:15,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:31:15,646 INFO L87 Difference]: Start difference. First operand 1075 states and 1533 transitions. Second operand 7 states. [2019-09-08 11:31:16,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:16,581 INFO L93 Difference]: Finished difference Result 3939 states and 5688 transitions. [2019-09-08 11:31:16,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:31:16,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2019-09-08 11:31:16,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:16,596 INFO L225 Difference]: With dead ends: 3939 [2019-09-08 11:31:16,597 INFO L226 Difference]: Without dead ends: 2945 [2019-09-08 11:31:16,600 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:31:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2019-09-08 11:31:17,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1855. [2019-09-08 11:31:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2019-09-08 11:31:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2667 transitions. [2019-09-08 11:31:17,125 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2667 transitions. Word has length 78 [2019-09-08 11:31:17,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:17,126 INFO L475 AbstractCegarLoop]: Abstraction has 1855 states and 2667 transitions. [2019-09-08 11:31:17,126 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:31:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2667 transitions. [2019-09-08 11:31:17,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:31:17,127 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:17,127 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:17,128 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:17,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:17,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1745512600, now seen corresponding path program 1 times [2019-09-08 11:31:17,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:17,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:17,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:17,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:17,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:17,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:17,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 11:31:17,208 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 11:31:17,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 11:31:17,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:31:17,209 INFO L87 Difference]: Start difference. First operand 1855 states and 2667 transitions. Second operand 6 states. [2019-09-08 11:31:17,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:17,877 INFO L93 Difference]: Finished difference Result 3319 states and 4695 transitions. [2019-09-08 11:31:17,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 11:31:17,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-08 11:31:17,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:17,891 INFO L225 Difference]: With dead ends: 3319 [2019-09-08 11:31:17,891 INFO L226 Difference]: Without dead ends: 3317 [2019-09-08 11:31:17,893 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:31:17,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2019-09-08 11:31:18,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 1903. [2019-09-08 11:31:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2019-09-08 11:31:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2707 transitions. [2019-09-08 11:31:18,299 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2707 transitions. Word has length 79 [2019-09-08 11:31:18,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:18,299 INFO L475 AbstractCegarLoop]: Abstraction has 1903 states and 2707 transitions. [2019-09-08 11:31:18,299 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 11:31:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2707 transitions. [2019-09-08 11:31:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 11:31:18,301 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:18,301 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:18,301 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:18,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:18,302 INFO L82 PathProgramCache]: Analyzing trace with hash -568260831, now seen corresponding path program 1 times [2019-09-08 11:31:18,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:18,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:18,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:18,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:18,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:18,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:18,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 11:31:18,392 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 11:31:18,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 11:31:18,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:31:18,393 INFO L87 Difference]: Start difference. First operand 1903 states and 2707 transitions. Second operand 7 states. [2019-09-08 11:31:19,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:19,925 INFO L93 Difference]: Finished difference Result 5927 states and 8411 transitions. [2019-09-08 11:31:19,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 11:31:19,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2019-09-08 11:31:19,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:19,944 INFO L225 Difference]: With dead ends: 5927 [2019-09-08 11:31:19,945 INFO L226 Difference]: Without dead ends: 4105 [2019-09-08 11:31:19,948 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-08 11:31:19,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4105 states. [2019-09-08 11:31:20,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4105 to 2439. [2019-09-08 11:31:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2439 states. [2019-09-08 11:31:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3431 transitions. [2019-09-08 11:31:20,479 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3431 transitions. Word has length 79 [2019-09-08 11:31:20,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:20,479 INFO L475 AbstractCegarLoop]: Abstraction has 2439 states and 3431 transitions. [2019-09-08 11:31:20,479 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 11:31:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3431 transitions. [2019-09-08 11:31:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-08 11:31:20,480 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:20,480 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:20,481 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:20,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1724131678, now seen corresponding path program 1 times [2019-09-08 11:31:20,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:20,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:20,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:20,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:20,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:20,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:20,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:31:20,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:31:20,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:31:20,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:20,541 INFO L87 Difference]: Start difference. First operand 2439 states and 3431 transitions. Second operand 3 states. [2019-09-08 11:31:21,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:21,083 INFO L93 Difference]: Finished difference Result 4589 states and 6459 transitions. [2019-09-08 11:31:21,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:31:21,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-09-08 11:31:21,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:21,090 INFO L225 Difference]: With dead ends: 4589 [2019-09-08 11:31:21,090 INFO L226 Difference]: Without dead ends: 2231 [2019-09-08 11:31:21,096 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2019-09-08 11:31:21,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1803. [2019-09-08 11:31:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1803 states. [2019-09-08 11:31:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2486 transitions. [2019-09-08 11:31:21,487 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2486 transitions. Word has length 80 [2019-09-08 11:31:21,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:21,487 INFO L475 AbstractCegarLoop]: Abstraction has 1803 states and 2486 transitions. [2019-09-08 11:31:21,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:31:21,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2486 transitions. [2019-09-08 11:31:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-08 11:31:21,489 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:21,489 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:21,489 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:21,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:21,490 INFO L82 PathProgramCache]: Analyzing trace with hash 265653448, now seen corresponding path program 1 times [2019-09-08 11:31:21,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:21,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:21,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:21,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:21,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:21,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:21,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:31:21,537 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:31:21,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:31:21,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:21,538 INFO L87 Difference]: Start difference. First operand 1803 states and 2486 transitions. Second operand 3 states. [2019-09-08 11:31:22,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:22,578 INFO L93 Difference]: Finished difference Result 4223 states and 5826 transitions. [2019-09-08 11:31:22,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:31:22,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-09-08 11:31:22,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:22,592 INFO L225 Difference]: With dead ends: 4223 [2019-09-08 11:31:22,592 INFO L226 Difference]: Without dead ends: 2501 [2019-09-08 11:31:22,597 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:22,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2019-09-08 11:31:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2271. [2019-09-08 11:31:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2271 states. [2019-09-08 11:31:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 3103 transitions. [2019-09-08 11:31:23,111 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 3103 transitions. Word has length 81 [2019-09-08 11:31:23,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:23,111 INFO L475 AbstractCegarLoop]: Abstraction has 2271 states and 3103 transitions. [2019-09-08 11:31:23,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:31:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 3103 transitions. [2019-09-08 11:31:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-08 11:31:23,113 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:23,113 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:23,113 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:23,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:23,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1648812015, now seen corresponding path program 1 times [2019-09-08 11:31:23,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:23,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:23,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:23,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:23,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:23,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:23,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:31:23,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:31:23,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:31:23,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:23,160 INFO L87 Difference]: Start difference. First operand 2271 states and 3103 transitions. Second operand 3 states. [2019-09-08 11:31:23,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:23,890 INFO L93 Difference]: Finished difference Result 4749 states and 6517 transitions. [2019-09-08 11:31:23,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:31:23,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-09-08 11:31:23,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:23,901 INFO L225 Difference]: With dead ends: 4749 [2019-09-08 11:31:23,902 INFO L226 Difference]: Without dead ends: 2559 [2019-09-08 11:31:23,906 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:23,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2019-09-08 11:31:24,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2477. [2019-09-08 11:31:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2477 states. [2019-09-08 11:31:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3351 transitions. [2019-09-08 11:31:24,517 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3351 transitions. Word has length 82 [2019-09-08 11:31:24,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:24,518 INFO L475 AbstractCegarLoop]: Abstraction has 2477 states and 3351 transitions. [2019-09-08 11:31:24,518 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:31:24,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3351 transitions. [2019-09-08 11:31:24,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-08 11:31:24,520 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:24,520 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:24,521 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:24,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:24,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2106033639, now seen corresponding path program 1 times [2019-09-08 11:31:24,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:24,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:24,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:24,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:24,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:24,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:24,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 11:31:24,580 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 11:31:24,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 11:31:24,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:24,581 INFO L87 Difference]: Start difference. First operand 2477 states and 3351 transitions. Second operand 3 states. [2019-09-08 11:31:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:25,135 INFO L93 Difference]: Finished difference Result 4521 states and 6081 transitions. [2019-09-08 11:31:25,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 11:31:25,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-09-08 11:31:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:25,142 INFO L225 Difference]: With dead ends: 4521 [2019-09-08 11:31:25,142 INFO L226 Difference]: Without dead ends: 2125 [2019-09-08 11:31:25,147 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 11:31:25,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2019-09-08 11:31:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2123. [2019-09-08 11:31:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2019-09-08 11:31:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2773 transitions. [2019-09-08 11:31:25,663 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2773 transitions. Word has length 101 [2019-09-08 11:31:25,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:25,663 INFO L475 AbstractCegarLoop]: Abstraction has 2123 states and 2773 transitions. [2019-09-08 11:31:25,663 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 11:31:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2773 transitions. [2019-09-08 11:31:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-08 11:31:25,665 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:25,665 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:25,665 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:25,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:25,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1500630065, now seen corresponding path program 1 times [2019-09-08 11:31:25,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:25,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:25,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:25,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:25,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-08 11:31:25,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:25,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:31:25,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:31:25,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:31:25,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:31:25,743 INFO L87 Difference]: Start difference. First operand 2123 states and 2773 transitions. Second operand 5 states. [2019-09-08 11:31:26,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:26,744 INFO L93 Difference]: Finished difference Result 5859 states and 7678 transitions. [2019-09-08 11:31:26,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:31:26,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2019-09-08 11:31:26,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:26,752 INFO L225 Difference]: With dead ends: 5859 [2019-09-08 11:31:26,752 INFO L226 Difference]: Without dead ends: 3817 [2019-09-08 11:31:26,756 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-08 11:31:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3817 states. [2019-09-08 11:31:27,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3817 to 2957. [2019-09-08 11:31:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2957 states. [2019-09-08 11:31:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 3873 transitions. [2019-09-08 11:31:27,415 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 3873 transitions. Word has length 102 [2019-09-08 11:31:27,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:27,415 INFO L475 AbstractCegarLoop]: Abstraction has 2957 states and 3873 transitions. [2019-09-08 11:31:27,415 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:31:27,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 3873 transitions. [2019-09-08 11:31:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-08 11:31:27,417 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:27,417 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:27,417 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:27,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:27,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2062056509, now seen corresponding path program 1 times [2019-09-08 11:31:27,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:27,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:27,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:27,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:27,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 11:31:27,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:27,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:31:27,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:31:27,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:31:27,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:31:27,590 INFO L87 Difference]: Start difference. First operand 2957 states and 3873 transitions. Second operand 5 states. [2019-09-08 11:31:29,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:29,309 INFO L93 Difference]: Finished difference Result 10257 states and 13437 transitions. [2019-09-08 11:31:29,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:31:29,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2019-09-08 11:31:29,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:29,329 INFO L225 Difference]: With dead ends: 10257 [2019-09-08 11:31:29,330 INFO L226 Difference]: Without dead ends: 7381 [2019-09-08 11:31:29,337 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:31:29,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-09-08 11:31:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 4545. [2019-09-08 11:31:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4545 states. [2019-09-08 11:31:30,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4545 states and 5945 transitions. [2019-09-08 11:31:30,627 INFO L78 Accepts]: Start accepts. Automaton has 4545 states and 5945 transitions. Word has length 102 [2019-09-08 11:31:30,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:30,627 INFO L475 AbstractCegarLoop]: Abstraction has 4545 states and 5945 transitions. [2019-09-08 11:31:30,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:31:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4545 states and 5945 transitions. [2019-09-08 11:31:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-08 11:31:30,628 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:30,629 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:30,629 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:30,629 INFO L82 PathProgramCache]: Analyzing trace with hash -647047287, now seen corresponding path program 1 times [2019-09-08 11:31:30,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:30,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:30,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:30,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:30,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 11:31:30,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:30,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 11:31:30,700 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 11:31:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 11:31:30,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 11:31:30,701 INFO L87 Difference]: Start difference. First operand 4545 states and 5945 transitions. Second operand 5 states. [2019-09-08 11:31:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:32,884 INFO L93 Difference]: Finished difference Result 11845 states and 15511 transitions. [2019-09-08 11:31:32,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 11:31:32,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2019-09-08 11:31:32,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:32,902 INFO L225 Difference]: With dead ends: 11845 [2019-09-08 11:31:32,903 INFO L226 Difference]: Without dead ends: 8969 [2019-09-08 11:31:32,909 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 11:31:32,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8969 states. [2019-09-08 11:31:34,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8969 to 6887. [2019-09-08 11:31:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6887 states. [2019-09-08 11:31:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6887 states to 6887 states and 8989 transitions. [2019-09-08 11:31:34,773 INFO L78 Accepts]: Start accepts. Automaton has 6887 states and 8989 transitions. Word has length 102 [2019-09-08 11:31:34,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:34,773 INFO L475 AbstractCegarLoop]: Abstraction has 6887 states and 8989 transitions. [2019-09-08 11:31:34,773 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 11:31:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 6887 states and 8989 transitions. [2019-09-08 11:31:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 11:31:34,776 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:34,776 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:34,777 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:34,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1409510800, now seen corresponding path program 1 times [2019-09-08 11:31:34,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:34,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:34,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:34,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:34,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-08 11:31:34,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 11:31:34,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 11:31:34,892 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 11:31:34,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 11:31:34,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 11:31:34,893 INFO L87 Difference]: Start difference. First operand 6887 states and 8989 transitions. Second operand 9 states. [2019-09-08 11:31:38,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:38,980 INFO L93 Difference]: Finished difference Result 20849 states and 27145 transitions. [2019-09-08 11:31:38,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 11:31:38,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2019-09-08 11:31:38,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:38,998 INFO L225 Difference]: With dead ends: 20849 [2019-09-08 11:31:38,999 INFO L226 Difference]: Without dead ends: 14031 [2019-09-08 11:31:39,010 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:31:39,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14031 states. [2019-09-08 11:31:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14031 to 6887. [2019-09-08 11:31:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6887 states. [2019-09-08 11:31:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6887 states to 6887 states and 8987 transitions. [2019-09-08 11:31:40,805 INFO L78 Accepts]: Start accepts. Automaton has 6887 states and 8987 transitions. Word has length 103 [2019-09-08 11:31:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:31:40,805 INFO L475 AbstractCegarLoop]: Abstraction has 6887 states and 8987 transitions. [2019-09-08 11:31:40,805 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 11:31:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 6887 states and 8987 transitions. [2019-09-08 11:31:40,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-08 11:31:40,808 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:31:40,808 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:31:40,808 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:31:40,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:31:40,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1031408707, now seen corresponding path program 1 times [2019-09-08 11:31:40,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:31:40,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:31:40,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:40,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:40,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:31:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:41,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:31:41,049 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:31:41,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:31:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:31:41,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-08 11:31:41,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:31:41,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:31:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:31:41,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:31:41,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2019-09-08 11:31:41,942 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:31:41,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:31:41,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:31:41,943 INFO L87 Difference]: Start difference. First operand 6887 states and 8987 transitions. Second operand 20 states. [2019-09-08 11:31:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:31:55,530 INFO L93 Difference]: Finished difference Result 36961 states and 47899 transitions. [2019-09-08 11:31:55,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-09-08 11:31:55,530 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 105 [2019-09-08 11:31:55,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:31:55,641 INFO L225 Difference]: With dead ends: 36961 [2019-09-08 11:31:55,641 INFO L226 Difference]: Without dead ends: 30155 [2019-09-08 11:31:55,663 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=644, Invalid=1806, Unknown=0, NotChecked=0, Total=2450 [2019-09-08 11:31:55,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30155 states. [2019-09-08 11:32:00,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30155 to 14661. [2019-09-08 11:32:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14661 states. [2019-09-08 11:32:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14661 states to 14661 states and 19045 transitions. [2019-09-08 11:32:00,531 INFO L78 Accepts]: Start accepts. Automaton has 14661 states and 19045 transitions. Word has length 105 [2019-09-08 11:32:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:32:00,532 INFO L475 AbstractCegarLoop]: Abstraction has 14661 states and 19045 transitions. [2019-09-08 11:32:00,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 11:32:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 14661 states and 19045 transitions. [2019-09-08 11:32:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:32:00,537 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:32:00,537 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:32:00,537 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:32:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:32:00,538 INFO L82 PathProgramCache]: Analyzing trace with hash 359959132, now seen corresponding path program 1 times [2019-09-08 11:32:00,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:32:00,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:32:00,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:32:00,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:32:00,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:32:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:32:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:32:00,807 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:32:00,807 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:32:00,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:32:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:32:00,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 11:32:00,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:32:01,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:32:01,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:32:01,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:32:01,266 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:32:01,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:32:01,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2019-09-08 11:32:01,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-08 11:32:01,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-08 11:32:01,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2019-09-08 11:32:01,273 INFO L87 Difference]: Start difference. First operand 14661 states and 19045 transitions. Second operand 20 states. [2019-09-08 11:32:11,253 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2019-09-08 11:32:11,931 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 39 [2019-09-08 11:32:14,264 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2019-09-08 11:32:14,529 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2019-09-08 11:33:06,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:33:06,820 INFO L93 Difference]: Finished difference Result 126083 states and 161686 transitions. [2019-09-08 11:33:06,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2019-09-08 11:33:06,820 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 106 [2019-09-08 11:33:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:33:07,033 INFO L225 Difference]: With dead ends: 126083 [2019-09-08 11:33:07,033 INFO L226 Difference]: Without dead ends: 111517 [2019-09-08 11:33:07,114 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29382 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=8468, Invalid=61492, Unknown=0, NotChecked=0, Total=69960 [2019-09-08 11:33:07,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111517 states. [2019-09-08 11:33:17,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111517 to 24871. [2019-09-08 11:33:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24871 states. [2019-09-08 11:33:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24871 states to 24871 states and 32186 transitions. [2019-09-08 11:33:17,772 INFO L78 Accepts]: Start accepts. Automaton has 24871 states and 32186 transitions. Word has length 106 [2019-09-08 11:33:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:33:17,772 INFO L475 AbstractCegarLoop]: Abstraction has 24871 states and 32186 transitions. [2019-09-08 11:33:17,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-08 11:33:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 24871 states and 32186 transitions. [2019-09-08 11:33:17,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 11:33:17,775 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:33:17,775 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:33:17,775 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:33:17,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:33:17,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1597113786, now seen corresponding path program 1 times [2019-09-08 11:33:17,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:33:17,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:33:17,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:33:17,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:33:17,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:33:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:33:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:33:18,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:33:18,177 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:33:18,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:33:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:33:18,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 11:33:18,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:33:18,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:33:18,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:33:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:33:19,139 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:33:19,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2019-09-08 11:33:19,140 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-08 11:33:19,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-08 11:33:19,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2019-09-08 11:33:19,140 INFO L87 Difference]: Start difference. First operand 24871 states and 32186 transitions. Second operand 26 states. [2019-09-08 11:33:19,352 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-08 11:33:20,006 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-08 11:33:20,487 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-08 11:33:20,831 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-08 11:33:21,142 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-08 11:33:21,529 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-08 11:33:21,888 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:33:22,148 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:33:22,461 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:33:23,035 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:33:23,329 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:33:23,770 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:33:24,130 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:33:24,377 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:33:24,701 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:33:25,092 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:33:25,338 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:33:25,671 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:33:26,274 WARN L188 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:33:26,508 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:33:26,741 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:33:27,040 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:33:27,317 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:33:27,631 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:33:27,928 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:33:28,150 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:33:28,426 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:33:28,665 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:33:29,048 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:33:29,370 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:33:29,856 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:33:30,461 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:33:31,136 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:33:31,496 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:33:31,841 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:33:32,124 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:33:32,509 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:33:32,845 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:33:33,133 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:33:33,699 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:33:34,175 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:33:34,608 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:33:35,087 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:33:35,524 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:33:35,928 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:33:36,218 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:33:36,624 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:33:37,040 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:33:37,473 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:33:37,988 WARN L188 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:33:38,307 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:33:38,647 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:33:38,951 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:33:39,247 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:33:39,561 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:33:40,042 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:33:40,407 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:33:40,680 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:33:40,895 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:33:41,240 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:33:41,568 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:33:41,901 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:33:42,137 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-08 11:33:42,451 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:33:43,274 WARN L188 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:33:43,496 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:33:43,741 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:33:44,019 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:33:45,040 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-08 11:33:45,569 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:33:45,936 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:33:46,388 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:33:46,705 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:33:47,020 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:33:47,816 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-08 11:33:48,175 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:33:48,642 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:33:49,097 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:33:49,694 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:33:50,010 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:33:50,290 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:33:50,995 WARN L188 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:33:51,379 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:33:51,794 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:33:52,418 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:33:52,748 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:33:53,207 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:33:53,552 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:33:53,972 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-08 11:33:54,264 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:33:54,646 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:33:54,946 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:33:55,243 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:33:55,801 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:33:56,215 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:33:56,628 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:33:57,351 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:33:57,733 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:33:58,277 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:33:58,778 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:33:59,141 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-08 11:33:59,466 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:33:59,867 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-08 11:34:00,271 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:34:00,590 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:34:00,897 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:34:01,523 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:34:02,041 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:34:02,522 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:34:03,076 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-09-08 11:34:03,469 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:34:03,951 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:34:04,245 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:34:04,897 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-08 11:34:05,255 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:34:05,962 WARN L188 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:34:06,480 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:34:07,040 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:34:07,353 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:34:07,687 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:34:08,051 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:34:08,573 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:34:09,145 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:34:09,592 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:34:10,066 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:34:10,419 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:34:10,846 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-08 11:34:11,328 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:34:11,900 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:34:12,282 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:34:12,715 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:34:13,070 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:34:13,873 WARN L188 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:34:14,235 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:34:14,714 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:34:15,237 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 11:34:15,653 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 11:34:15,975 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:34:16,347 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:34:16,684 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:34:17,227 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-08 11:34:17,568 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:34:17,845 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:34:18,212 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:34:18,638 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:34:19,122 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:34:19,578 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:34:19,956 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:34:20,350 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-08 11:34:20,771 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:34:21,120 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:34:21,468 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:34:22,116 WARN L188 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:34:22,423 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:34:22,794 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:34:23,317 WARN L188 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:34:23,871 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:34:24,218 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:34:24,766 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:34:25,221 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:34:25,522 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:34:25,912 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:34:26,329 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:34:26,680 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:34:27,089 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:34:27,466 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:34:27,956 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:34:28,360 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:34:28,678 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:34:29,110 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:34:29,405 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:34:31,457 WARN L188 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:34:31,780 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:34:32,162 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:34:32,802 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:34:33,202 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:34:33,933 WARN L188 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:34:34,387 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:34:35,015 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:34:35,460 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:34:35,941 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:34:36,288 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:34:37,188 WARN L188 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:34:37,683 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-08 11:34:38,072 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 11:34:38,539 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:34:38,869 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:34:39,295 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:34:39,920 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-08 11:34:40,258 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:34:40,778 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:34:41,222 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:34:41,721 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-08 11:34:42,179 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 11:34:42,586 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:34:42,979 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 11:34:43,484 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 11:34:43,875 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:34:44,560 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:34:44,947 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-08 11:34:45,472 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2019-09-08 11:34:45,775 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:34:46,297 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:34:46,724 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:34:47,107 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:34:47,475 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:34:47,834 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:34:48,275 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:34:48,651 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:34:49,063 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-08 11:34:49,449 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:34:49,765 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:34:50,013 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:34:50,436 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:34:51,147 WARN L188 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:34:51,453 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:34:51,902 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:34:52,292 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:34:52,717 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:34:53,145 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:34:53,461 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:34:53,961 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-08 11:34:54,326 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:34:54,696 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-08 11:34:55,121 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:34:55,521 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:34:56,220 WARN L188 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:34:57,050 WARN L188 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:34:57,481 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:34:57,921 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:34:58,327 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:34:58,679 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:34:59,031 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:34:59,409 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:34:59,917 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:35:00,252 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:35:00,656 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:35:01,087 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 11:35:01,461 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:35:01,889 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:35:02,241 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:35:02,666 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:35:02,973 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:35:03,373 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:35:03,732 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:35:04,169 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-08 11:35:04,509 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:35:04,935 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:35:05,347 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:35:05,680 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:35:06,047 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:35:06,498 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:35:06,912 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:07,252 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:35:07,598 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:35:08,099 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-08 11:35:08,530 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:35:08,843 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:35:09,217 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:35:09,556 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:35:09,993 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:35:10,303 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:35:10,615 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:35:10,975 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:35:11,327 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:35:11,657 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:35:11,965 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:35:12,253 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:35:12,678 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:35:13,106 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:35:13,412 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:35:13,848 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:35:14,126 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:35:14,471 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:35:14,941 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-08 11:35:15,177 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:35:15,768 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:35:16,140 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:35:16,458 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:35:16,864 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:35:17,180 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:35:17,648 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:35:17,944 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:35:18,282 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:35:18,646 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:35:18,994 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:35:19,452 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:35:19,796 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:35:20,168 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:35:20,662 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:35:20,993 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:35:21,487 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:35:21,911 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-08 11:35:22,242 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:35:22,594 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:35:23,014 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:35:23,375 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:35:23,709 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:35:24,061 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:24,413 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:35:24,716 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:35:25,145 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:35:25,473 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:35:25,897 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:35:26,231 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:35:26,504 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:35:26,906 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:35:27,396 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:35:27,715 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:35:27,996 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:35:28,554 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:35:28,968 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-08 11:35:29,354 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2019-09-08 11:35:29,787 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:30,178 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:30,625 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:35:31,276 WARN L188 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:35:31,615 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:35:31,912 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:35:34,082 WARN L188 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:35:34,378 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:35:34,638 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:35:34,994 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:35:35,381 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:35:35,756 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-08 11:35:36,122 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:35:36,477 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:35:36,805 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:35:37,137 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:35:37,465 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 11:35:37,973 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-08 11:35:38,348 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:35:38,624 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:35:39,268 WARN L188 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:35:39,781 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:35:40,116 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:35:40,549 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:35:40,974 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:35:41,376 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-08 11:35:41,660 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:35:41,975 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:35:42,297 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-08 11:35:42,618 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:35:42,911 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:35:43,331 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:35:43,642 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:35:43,998 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:35:44,541 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:35:44,889 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-08 11:35:45,183 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:35:45,897 WARN L188 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2019-09-08 11:35:46,121 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:35:46,590 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:35:47,122 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:35:47,641 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 11:35:47,976 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:35:48,354 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-08 11:35:48,706 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-08 11:35:49,070 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:35:49,549 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:35:49,843 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:35:50,425 WARN L188 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 11:35:50,813 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-08 11:35:51,190 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:35:51,522 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:35:51,879 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:35:52,254 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:52,711 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:35:53,018 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:35:53,325 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:35:53,627 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:35:53,972 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:35:54,498 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:35:54,960 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:55,219 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:35:55,749 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:56,106 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:35:56,474 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:35:56,875 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:35:57,236 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:35:57,635 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:35:57,963 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:35:58,526 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:35:58,845 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:35:59,195 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:35:59,503 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:35:59,895 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:36:00,390 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:36:00,675 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:36:01,127 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-08 11:36:01,470 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:36:01,905 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:36:02,357 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:36:02,834 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:36:03,227 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:36:03,586 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:36:04,710 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:36:17,656 WARN L188 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:36:18,072 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:36:18,365 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:36:18,814 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:36:19,379 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:36:19,758 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:36:20,985 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:36:21,427 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:36:21,714 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:36:22,009 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:36:22,402 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:36:22,999 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:36:23,540 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:36:23,928 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:36:24,670 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:36:25,117 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:36:25,445 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:36:25,748 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 11:36:26,136 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:36:26,497 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:36:27,027 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:36:27,601 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:36:28,829 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:36:29,170 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:36:29,535 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:36:30,605 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:36:31,066 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:36:31,663 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:36:32,225 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-08 11:36:33,027 WARN L188 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:36:33,473 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-09-08 11:36:33,971 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:36:34,515 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:36:35,042 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:36:35,493 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:36:35,846 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:36:36,568 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:36:37,165 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-08 11:36:37,570 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:36:38,132 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 11:36:38,594 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:36:38,971 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:36:39,468 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2019-09-08 11:36:40,013 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:36:40,441 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:36:41,037 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:36:41,372 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:36:41,958 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:36:42,289 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:36:42,797 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:36:43,368 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-08 11:36:43,784 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:36:44,482 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:36:44,843 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-08 11:36:45,423 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:36:45,881 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:36:46,323 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:36:46,986 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:36:47,548 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:36:47,902 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-08 11:36:48,993 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 96 [2019-09-08 11:36:49,572 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:36:50,531 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:36:51,058 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-09-08 11:36:51,530 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:36:51,998 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:36:52,599 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:36:53,330 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:36:53,753 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:36:54,582 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:36:55,009 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:36:55,396 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:36:56,121 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:36:56,891 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-08 11:36:57,519 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:36:58,333 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:36:59,120 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-08 11:36:59,453 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:37:00,265 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:37:00,726 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:37:01,772 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:37:02,111 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:37:02,502 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:37:02,932 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-08 11:37:03,223 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:37:03,699 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:37:03,936 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-09-08 11:37:04,330 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:37:04,732 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2019-09-08 11:37:05,239 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-08 11:37:05,583 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:37:06,041 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-09-08 11:37:06,668 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:37:07,006 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:37:07,459 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:37:07,987 WARN L188 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:37:08,430 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:37:09,034 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:37:09,486 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:37:09,949 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:37:10,340 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:37:10,659 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-08 11:37:10,972 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:37:11,332 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-08 11:37:11,774 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-08 11:37:12,129 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-08 11:37:12,447 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:37:12,866 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-08 11:37:13,564 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-08 11:37:13,988 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-08 11:37:14,458 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:37:14,829 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:37:15,289 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-08 11:37:15,660 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:37:16,026 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:37:16,513 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:37:17,266 WARN L188 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-08 11:37:17,787 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:37:18,265 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:37:18,749 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:37:19,406 WARN L188 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:37:19,726 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:37:20,072 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-08 11:37:20,594 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:37:20,935 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:37:21,235 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2019-09-08 11:37:21,840 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:37:22,345 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-08 11:37:22,703 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-08 11:37:23,140 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-08 11:37:23,498 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:37:24,110 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-08 11:37:24,681 WARN L188 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:37:25,041 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-08 11:37:25,379 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-08 11:37:25,756 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:37:26,094 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-08 11:37:26,519 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:37:27,305 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:37:27,791 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:37:28,314 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:37:28,876 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:37:29,734 WARN L188 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:37:30,394 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:37:30,852 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:37:31,165 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:37:31,475 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-08 11:37:32,027 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:37:32,534 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-08 11:37:33,340 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:37:33,976 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-08 11:37:34,442 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:37:34,775 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:37:35,083 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-08 11:37:35,472 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-08 11:37:36,051 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-08 11:37:37,105 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:37:37,405 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:37:37,897 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:37:38,231 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:37:39,171 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:37:52,481 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:37:54,249 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:37:54,652 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:37:55,344 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:37:56,431 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-08 11:37:56,876 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-08 11:37:57,293 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:37:57,949 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:37:58,574 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-08 11:37:59,458 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:37:59,877 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:38:00,355 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-08 11:38:00,831 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-08 11:38:01,410 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-08 11:38:02,144 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:38:02,706 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:38:03,454 WARN L188 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:38:04,191 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-08 11:38:04,769 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:38:05,049 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:38:05,616 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:38:06,005 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2019-09-08 11:38:06,461 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:38:07,043 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-08 11:38:07,489 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:38:07,995 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:38:08,529 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-09-08 11:38:08,928 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2019-09-08 11:38:09,801 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2019-09-08 11:38:10,483 WARN L188 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:38:10,867 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:38:11,385 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-08 11:38:11,756 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:38:12,462 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-09-08 11:38:13,065 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:38:13,766 WARN L188 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2019-09-08 11:38:14,113 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:38:14,486 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:38:15,076 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:38:15,764 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-08 11:38:16,174 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:38:16,669 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-08 11:38:17,408 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-08 11:38:17,981 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-08 11:38:18,348 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:38:18,848 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:38:19,481 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:38:20,334 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:38:20,820 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:38:21,310 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-08 11:38:22,949 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:38:23,585 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:38:24,281 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:38:25,235 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:38:25,755 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:38:26,261 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2019-09-08 11:38:27,206 WARN L188 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:38:28,037 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:38:28,470 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:38:29,346 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:38:29,801 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:38:30,177 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:38:30,807 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:38:31,128 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:38:31,626 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:38:32,197 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:38:32,613 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:38:33,207 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:38:33,896 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-08 11:38:34,721 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:38:35,182 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:38:36,000 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:38:36,379 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:38:36,840 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2019-09-08 11:38:37,199 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:38:37,666 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:38:38,188 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:38:38,743 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2019-09-08 11:38:39,703 WARN L188 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-08 11:38:40,357 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-08 11:38:40,829 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-08 11:38:41,822 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:38:42,225 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:38:42,598 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:38:43,264 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-08 11:38:44,065 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:38:44,543 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:38:44,948 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:38:45,314 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-08 11:38:45,658 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2019-09-08 11:38:46,165 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:38:46,995 WARN L188 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-08 11:38:47,326 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:38:48,019 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-08 11:38:49,153 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 92 [2019-09-08 11:38:49,739 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2019-09-08 11:38:51,035 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:38:51,553 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2019-09-08 11:38:51,982 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:38:52,628 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:38:53,217 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-08 11:38:54,362 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:38:54,958 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:38:55,279 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:38:55,652 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:38:55,991 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-08 11:38:56,367 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-08 11:38:57,101 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-08 11:38:57,567 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-09-08 11:38:57,954 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:38:58,457 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-08 11:39:00,720 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-08 11:39:01,768 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-08 11:39:02,160 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-08 11:39:02,549 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-08 11:39:03,309 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-08 11:39:03,686 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-08 11:39:04,095 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 11:39:04,674 WARN L188 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2019-09-08 11:39:05,108 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:39:07,571 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:39:07,913 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:39:08,341 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-09-08 11:39:08,744 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:39:09,251 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:39:09,604 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-08 11:39:10,243 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:39:10,573 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:39:11,069 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-08 11:39:11,556 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2019-09-08 11:39:12,030 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 90 [2019-09-08 11:39:14,126 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:39:14,694 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:39:15,086 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:39:15,467 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-08 11:39:15,927 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:39:16,262 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-08 11:39:16,589 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-08 11:39:16,913 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:39:17,406 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:39:18,088 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-08 11:39:18,440 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:39:20,949 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-08 11:39:21,675 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-08 11:39:22,342 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:39:22,696 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:39:23,192 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:39:23,994 WARN L188 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:39:24,460 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-08 11:39:24,793 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:39:25,113 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:39:25,472 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-08 11:39:25,833 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:39:26,208 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-08 11:39:26,712 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-08 11:39:27,409 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-08 11:39:28,007 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-08 11:39:30,892 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-08 11:39:31,235 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:39:31,652 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-08 11:39:32,945 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-08 11:39:33,376 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:39:33,772 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:39:34,214 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:39:34,529 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-08 11:39:35,001 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-08 11:39:35,651 WARN L188 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:39:36,184 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:39:36,901 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-08 11:39:37,253 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:39:37,820 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-08 11:39:38,282 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-08 11:39:38,672 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:39:39,127 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-08 11:39:42,377 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:39:42,726 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-08 11:39:43,190 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:39:44,409 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-08 11:39:44,772 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-08 11:39:45,127 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:39:45,689 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:39:46,549 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:39:46,998 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-08 11:39:47,411 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-08 11:39:47,956 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:39:49,083 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-08 11:39:49,534 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:39:50,114 WARN L188 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-08 11:39:53,319 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-08 11:39:53,663 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:39:55,196 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-08 11:39:55,589 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:39:55,963 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-09-08 11:39:56,825 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-08 11:39:57,216 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-08 11:39:57,696 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:39:58,093 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-08 11:39:58,484 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:40:03,241 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-08 11:40:04,143 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2019-09-08 11:40:04,467 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2019-09-08 11:40:38,372 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-08 11:40:41,440 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-08 11:40:41,786 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:40:48,503 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-08 11:40:48,855 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-08 11:40:50,060 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-08 11:40:53,165 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-08 11:40:53,522 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:40:53,920 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-08 11:40:54,387 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:40:57,228 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-08 11:40:58,256 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-09-08 11:40:58,845 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-08 11:40:59,434 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:41:02,421 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-08 11:41:03,769 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-08 11:41:06,226 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-08 11:41:06,988 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-09-08 11:41:07,673 WARN L188 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-08 11:41:11,313 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:41:12,686 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-08 11:41:13,395 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-08 11:41:13,755 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-08 11:41:14,123 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-08 11:41:15,004 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2019-09-08 11:41:15,394 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-09-08 11:41:22,394 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2019-09-08 11:41:22,812 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-08 11:41:23,755 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-08 11:41:28,266 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-08 11:41:29,384 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-09-08 11:41:33,411 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-08 11:41:34,336 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-08 11:41:37,623 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-08 11:41:39,087 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:41:40,083 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-08 11:41:44,011 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-08 11:41:47,512 WARN L188 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-08 11:41:48,386 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-08 11:41:48,718 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-08 11:41:52,400 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-08 11:41:53,512 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-08 11:41:54,397 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-09-08 11:41:58,343 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-08 11:42:03,991 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-08 11:42:07,330 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-08 11:42:10,621 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-08 11:42:11,054 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-09-08 11:42:20,621 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:42:21,484 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-08 11:42:23,005 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2019-09-08 11:42:23,838 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 97 [2019-09-08 11:42:25,346 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-08 11:42:26,074 WARN L188 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2019-09-08 11:42:27,983 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-08 11:42:30,169 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 11:42:31,493 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:42:33,105 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-08 11:42:34,580 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-08 11:42:35,596 WARN L188 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2019-09-08 11:42:37,520 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2019-09-08 11:42:59,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 11:42:59,393 INFO L93 Difference]: Finished difference Result 529345 states and 681972 transitions. [2019-09-08 11:42:59,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2019-09-08 11:42:59,394 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 106 [2019-09-08 11:42:59,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 11:43:00,186 INFO L225 Difference]: With dead ends: 529345 [2019-09-08 11:43:00,186 INFO L226 Difference]: Without dead ends: 504562 [2019-09-08 11:43:00,318 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 945 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 848 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347702 ImplicationChecksByTransitivity, 325.7s TimeCoverageRelationStatistics Valid=64155, Invalid=657495, Unknown=0, NotChecked=0, Total=721650 [2019-09-08 11:43:00,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504562 states. [2019-09-08 11:44:09,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504562 to 143943. [2019-09-08 11:44:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143943 states. [2019-09-08 11:44:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143943 states to 143943 states and 186747 transitions. [2019-09-08 11:44:09,544 INFO L78 Accepts]: Start accepts. Automaton has 143943 states and 186747 transitions. Word has length 106 [2019-09-08 11:44:09,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 11:44:09,545 INFO L475 AbstractCegarLoop]: Abstraction has 143943 states and 186747 transitions. [2019-09-08 11:44:09,545 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-09-08 11:44:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 143943 states and 186747 transitions. [2019-09-08 11:44:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-08 11:44:09,554 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 11:44:09,555 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 11:44:09,555 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 11:44:09,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 11:44:09,555 INFO L82 PathProgramCache]: Analyzing trace with hash 513756201, now seen corresponding path program 1 times [2019-09-08 11:44:09,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 11:44:09,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 11:44:09,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:44:09,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:44:09,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 11:44:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:44:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:44:09,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 11:44:09,969 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 11:44:09,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 11:44:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 11:44:10,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 36 conjunts are in the unsatisfiable core [2019-09-08 11:44:10,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 11:44:10,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:44:10,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:44:10,678 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2019-09-08 11:44:11,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-09-08 11:44:11,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-09-08 11:44:11,463 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2019-09-08 11:44:11,597 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:44:11,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:44:12,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 11:44:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 11:44:12,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 11:44:12,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 33 [2019-09-08 11:44:12,543 INFO L454 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-09-08 11:44:12,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-09-08 11:44:12,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=954, Unknown=0, NotChecked=0, Total=1056 [2019-09-08 11:44:12,543 INFO L87 Difference]: Start difference. First operand 143943 states and 186747 transitions. Second operand 33 states. [2019-09-08 11:44:12,828 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-08 11:44:13,382 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-08 11:44:13,625 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-08 11:44:14,170 WARN L188 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-08 11:44:15,222 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-08 11:44:15,684 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-08 11:44:16,657 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46