/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:38:45,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:38:45,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:38:45,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:38:45,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:38:45,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:38:45,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:38:45,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:38:45,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:38:45,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:38:45,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:38:45,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:38:45,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:38:45,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:38:45,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:38:45,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:38:45,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:38:45,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:38:45,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:38:45,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:38:45,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:38:45,794 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:38:45,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:38:45,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:38:45,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:38:45,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:38:45,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:38:45,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:38:45,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:38:45,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:38:45,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:38:45,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:38:45,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:38:45,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:38:45,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:38:45,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:38:45,803 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:38:45,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:38:45,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:38:45,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:38:45,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:38:45,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:38:45,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:38:45,805 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:38:46,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:38:46,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:38:46,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:38:46,298 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:38:46,299 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:38:46,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label29.c [2020-10-24 01:38:46,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c55676daf/a95a3e24885e477986a2792c4ced702a/FLAGc3b51af67 [2020-10-24 01:38:47,065 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:38:47,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label29.c [2020-10-24 01:38:47,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c55676daf/a95a3e24885e477986a2792c4ced702a/FLAGc3b51af67 [2020-10-24 01:38:47,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c55676daf/a95a3e24885e477986a2792c4ced702a [2020-10-24 01:38:47,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:38:47,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:38:47,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:38:47,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:38:47,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:38:47,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:38:47" (1/1) ... [2020-10-24 01:38:47,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34901448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:47, skipping insertion in model container [2020-10-24 01:38:47,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:38:47" (1/1) ... [2020-10-24 01:38:47,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:38:47,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:38:48,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:38:48,063 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:38:48,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:38:48,249 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:38:48,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48 WrapperNode [2020-10-24 01:38:48,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:38:48,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:38:48,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:38:48,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:38:48,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (1/1) ... [2020-10-24 01:38:48,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (1/1) ... [2020-10-24 01:38:48,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (1/1) ... [2020-10-24 01:38:48,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (1/1) ... [2020-10-24 01:38:48,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (1/1) ... [2020-10-24 01:38:48,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (1/1) ... [2020-10-24 01:38:48,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (1/1) ... [2020-10-24 01:38:48,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:38:48,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:38:48,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:38:48,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:38:48,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (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 [2020-10-24 01:38:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:38:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:38:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:38:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:38:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:38:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:38:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:38:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:38:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:38:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:38:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:38:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:38:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:38:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:38:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:38:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:38:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:38:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:38:48,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:38:49,858 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:38:49,859 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:38:49,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:38:49 BoogieIcfgContainer [2020-10-24 01:38:49,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:38:49,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:38:49,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:38:49,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:38:49,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:38:47" (1/3) ... [2020-10-24 01:38:49,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581c33a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:38:49, skipping insertion in model container [2020-10-24 01:38:49,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:38:48" (2/3) ... [2020-10-24 01:38:49,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581c33a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:38:49, skipping insertion in model container [2020-10-24 01:38:49,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:38:49" (3/3) ... [2020-10-24 01:38:49,873 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label29.c [2020-10-24 01:38:49,886 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:38:49,893 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:38:49,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:38:49,935 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:38:49,936 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:38:49,936 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:38:49,936 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:38:49,936 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:38:49,936 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:38:49,936 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:38:49,937 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:38:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:38:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-24 01:38:49,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:38:49,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:38:49,994 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:38:50,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:38:50,002 INFO L82 PathProgramCache]: Analyzing trace with hash -803340893, now seen corresponding path program 1 times [2020-10-24 01:38:50,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:38:50,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329097871] [2020-10-24 01:38:50,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:38:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:38:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:38:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:38:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:38:50,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329097871] [2020-10-24 01:38:50,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:38:50,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:38:50,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207315473] [2020-10-24 01:38:50,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:38:50,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:38:50,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:38:50,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:38:50,752 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-10-24 01:38:55,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:38:55,499 INFO L93 Difference]: Finished difference Result 1672 states and 2276 transitions. [2020-10-24 01:38:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 01:38:55,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-24 01:38:55,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:38:55,531 INFO L225 Difference]: With dead ends: 1672 [2020-10-24 01:38:55,531 INFO L226 Difference]: Without dead ends: 1045 [2020-10-24 01:38:55,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-24 01:38:55,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-10-24 01:38:55,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 875. [2020-10-24 01:38:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-10-24 01:38:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1074 transitions. [2020-10-24 01:38:55,785 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1074 transitions. Word has length 137 [2020-10-24 01:38:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:38:55,786 INFO L481 AbstractCegarLoop]: Abstraction has 875 states and 1074 transitions. [2020-10-24 01:38:55,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:38:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1074 transitions. [2020-10-24 01:38:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-24 01:38:55,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:38:55,802 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:38:55,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:38:55,803 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:38:55,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:38:55,805 INFO L82 PathProgramCache]: Analyzing trace with hash -465670413, now seen corresponding path program 1 times [2020-10-24 01:38:55,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:38:55,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348977452] [2020-10-24 01:38:55,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:38:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:38:56,116 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-24 01:38:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:38:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:38:56,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:38:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:38:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:38:56,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348977452] [2020-10-24 01:38:56,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:38:56,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 01:38:56,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461584958] [2020-10-24 01:38:56,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:38:56,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:38:56,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:38:56,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:38:56,345 INFO L87 Difference]: Start difference. First operand 875 states and 1074 transitions. Second operand 10 states. [2020-10-24 01:38:56,598 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-24 01:38:57,211 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-24 01:39:03,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:03,968 INFO L93 Difference]: Finished difference Result 2357 states and 2923 transitions. [2020-10-24 01:39:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-24 01:39:03,969 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-10-24 01:39:03,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:03,980 INFO L225 Difference]: With dead ends: 2357 [2020-10-24 01:39:03,980 INFO L226 Difference]: Without dead ends: 1512 [2020-10-24 01:39:03,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2020-10-24 01:39:03,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2020-10-24 01:39:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1217. [2020-10-24 01:39:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2020-10-24 01:39:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1474 transitions. [2020-10-24 01:39:04,263 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1474 transitions. Word has length 155 [2020-10-24 01:39:04,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:04,263 INFO L481 AbstractCegarLoop]: Abstraction has 1217 states and 1474 transitions. [2020-10-24 01:39:04,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:39:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1474 transitions. [2020-10-24 01:39:04,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-24 01:39:04,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:04,270 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:04,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:39:04,270 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:04,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:04,271 INFO L82 PathProgramCache]: Analyzing trace with hash -146187355, now seen corresponding path program 1 times [2020-10-24 01:39:04,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:04,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190581870] [2020-10-24 01:39:04,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:04,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:04,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:39:04,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190581870] [2020-10-24 01:39:04,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:04,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-24 01:39:04,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066529893] [2020-10-24 01:39:04,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:39:04,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:04,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:39:04,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:39:04,632 INFO L87 Difference]: Start difference. First operand 1217 states and 1474 transitions. Second operand 5 states. [2020-10-24 01:39:04,840 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:39:07,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:07,462 INFO L93 Difference]: Finished difference Result 3161 states and 3981 transitions. [2020-10-24 01:39:07,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 01:39:07,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-24 01:39:07,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:07,480 INFO L225 Difference]: With dead ends: 3161 [2020-10-24 01:39:07,480 INFO L226 Difference]: Without dead ends: 1974 [2020-10-24 01:39:07,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:39:07,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2020-10-24 01:39:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1970. [2020-10-24 01:39:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1970 states. [2020-10-24 01:39:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1970 states and 2415 transitions. [2020-10-24 01:39:07,890 INFO L78 Accepts]: Start accepts. Automaton has 1970 states and 2415 transitions. Word has length 159 [2020-10-24 01:39:07,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:07,891 INFO L481 AbstractCegarLoop]: Abstraction has 1970 states and 2415 transitions. [2020-10-24 01:39:07,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:39:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2415 transitions. [2020-10-24 01:39:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-24 01:39:07,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:07,902 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:07,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:39:07,902 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:07,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:07,903 INFO L82 PathProgramCache]: Analyzing trace with hash -369575254, now seen corresponding path program 1 times [2020-10-24 01:39:07,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:07,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814205537] [2020-10-24 01:39:07,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:08,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:39:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:39:08,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814205537] [2020-10-24 01:39:08,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:08,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:39:08,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793124343] [2020-10-24 01:39:08,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:39:08,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:08,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:39:08,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:39:08,200 INFO L87 Difference]: Start difference. First operand 1970 states and 2415 transitions. Second operand 7 states. [2020-10-24 01:39:08,771 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:39:12,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:12,832 INFO L93 Difference]: Finished difference Result 4792 states and 5904 transitions. [2020-10-24 01:39:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:39:12,832 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-24 01:39:12,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:12,853 INFO L225 Difference]: With dead ends: 4792 [2020-10-24 01:39:12,854 INFO L226 Difference]: Without dead ends: 3002 [2020-10-24 01:39:12,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:39:12,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3002 states. [2020-10-24 01:39:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3002 to 2956. [2020-10-24 01:39:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2956 states. [2020-10-24 01:39:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 3559 transitions. [2020-10-24 01:39:13,409 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 3559 transitions. Word has length 197 [2020-10-24 01:39:13,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:13,410 INFO L481 AbstractCegarLoop]: Abstraction has 2956 states and 3559 transitions. [2020-10-24 01:39:13,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:39:13,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 3559 transitions. [2020-10-24 01:39:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-24 01:39:13,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:13,423 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:13,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:39:13,424 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:13,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:13,424 INFO L82 PathProgramCache]: Analyzing trace with hash 477842522, now seen corresponding path program 1 times [2020-10-24 01:39:13,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:13,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089847049] [2020-10-24 01:39:13,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:13,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:39:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:39:13,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089847049] [2020-10-24 01:39:13,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:13,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 01:39:13,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579213719] [2020-10-24 01:39:13,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 01:39:13,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:13,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 01:39:13,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-24 01:39:13,748 INFO L87 Difference]: Start difference. First operand 2956 states and 3559 transitions. Second operand 9 states. [2020-10-24 01:39:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:18,136 INFO L93 Difference]: Finished difference Result 7058 states and 8843 transitions. [2020-10-24 01:39:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:39:18,136 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-24 01:39:18,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:18,163 INFO L225 Difference]: With dead ends: 7058 [2020-10-24 01:39:18,163 INFO L226 Difference]: Without dead ends: 4282 [2020-10-24 01:39:18,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-10-24 01:39:18,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2020-10-24 01:39:18,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 3876. [2020-10-24 01:39:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-10-24 01:39:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 4546 transitions. [2020-10-24 01:39:18,961 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 4546 transitions. Word has length 204 [2020-10-24 01:39:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:18,962 INFO L481 AbstractCegarLoop]: Abstraction has 3876 states and 4546 transitions. [2020-10-24 01:39:18,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 01:39:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 4546 transitions. [2020-10-24 01:39:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-24 01:39:18,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:18,975 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:18,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:39:18,976 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:18,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:18,976 INFO L82 PathProgramCache]: Analyzing trace with hash -108517398, now seen corresponding path program 1 times [2020-10-24 01:39:18,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:18,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400918617] [2020-10-24 01:39:18,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:19,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:19,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:39:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:19,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 01:39:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 81 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-24 01:39:19,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400918617] [2020-10-24 01:39:19,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:19,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:39:19,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892979508] [2020-10-24 01:39:19,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:39:19,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:19,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:39:19,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:39:19,303 INFO L87 Difference]: Start difference. First operand 3876 states and 4546 transitions. Second operand 8 states. [2020-10-24 01:39:19,492 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:39:21,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:21,743 INFO L93 Difference]: Finished difference Result 5152 states and 6028 transitions. [2020-10-24 01:39:21,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:39:21,744 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 221 [2020-10-24 01:39:21,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:21,759 INFO L225 Difference]: With dead ends: 5152 [2020-10-24 01:39:21,760 INFO L226 Difference]: Without dead ends: 2741 [2020-10-24 01:39:21,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:39:21,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2020-10-24 01:39:22,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2727. [2020-10-24 01:39:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2727 states. [2020-10-24 01:39:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2727 states and 3125 transitions. [2020-10-24 01:39:22,478 INFO L78 Accepts]: Start accepts. Automaton has 2727 states and 3125 transitions. Word has length 221 [2020-10-24 01:39:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:22,478 INFO L481 AbstractCegarLoop]: Abstraction has 2727 states and 3125 transitions. [2020-10-24 01:39:22,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:39:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3125 transitions. [2020-10-24 01:39:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-24 01:39:22,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:22,488 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:22,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:39:22,489 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:22,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:22,489 INFO L82 PathProgramCache]: Analyzing trace with hash -528586039, now seen corresponding path program 1 times [2020-10-24 01:39:22,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:22,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760957255] [2020-10-24 01:39:22,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:22,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:22,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:22,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:39:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:22,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 01:39:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-24 01:39:22,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760957255] [2020-10-24 01:39:22,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:22,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:39:22,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024697144] [2020-10-24 01:39:22,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:39:22,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:22,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:39:22,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:39:22,882 INFO L87 Difference]: Start difference. First operand 2727 states and 3125 transitions. Second operand 13 states. [2020-10-24 01:39:23,086 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:39:23,342 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-24 01:39:23,736 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-10-24 01:39:24,936 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-24 01:39:25,162 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-24 01:39:25,452 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-24 01:39:25,755 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-24 01:39:30,226 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-24 01:39:31,088 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-24 01:39:32,024 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-10-24 01:39:32,393 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-10-24 01:39:33,254 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-24 01:39:34,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:34,212 INFO L93 Difference]: Finished difference Result 6736 states and 7875 transitions. [2020-10-24 01:39:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-24 01:39:34,212 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 222 [2020-10-24 01:39:34,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:34,236 INFO L225 Difference]: With dead ends: 6736 [2020-10-24 01:39:34,236 INFO L226 Difference]: Without dead ends: 4189 [2020-10-24 01:39:34,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=581, Invalid=2175, Unknown=0, NotChecked=0, Total=2756 [2020-10-24 01:39:34,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4189 states. [2020-10-24 01:39:34,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4189 to 3666. [2020-10-24 01:39:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3666 states. [2020-10-24 01:39:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3666 states and 4111 transitions. [2020-10-24 01:39:35,005 INFO L78 Accepts]: Start accepts. Automaton has 3666 states and 4111 transitions. Word has length 222 [2020-10-24 01:39:35,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:35,006 INFO L481 AbstractCegarLoop]: Abstraction has 3666 states and 4111 transitions. [2020-10-24 01:39:35,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:39:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 4111 transitions. [2020-10-24 01:39:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-24 01:39:35,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:35,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:35,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:39:35,017 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:35,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:35,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1803845908, now seen corresponding path program 1 times [2020-10-24 01:39:35,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:35,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306572510] [2020-10-24 01:39:35,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:35,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:35,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-24 01:39:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 91 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-24 01:39:35,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306572510] [2020-10-24 01:39:35,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:35,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:39:35,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261594433] [2020-10-24 01:39:35,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:39:35,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:35,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:39:35,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:39:35,404 INFO L87 Difference]: Start difference. First operand 3666 states and 4111 transitions. Second operand 8 states. [2020-10-24 01:39:36,209 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:39:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:41,727 INFO L93 Difference]: Finished difference Result 7831 states and 8937 transitions. [2020-10-24 01:39:41,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 01:39:41,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 248 [2020-10-24 01:39:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:41,748 INFO L225 Difference]: With dead ends: 7831 [2020-10-24 01:39:41,748 INFO L226 Difference]: Without dead ends: 4449 [2020-10-24 01:39:41,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2020-10-24 01:39:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2020-10-24 01:39:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 3372. [2020-10-24 01:39:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3372 states. [2020-10-24 01:39:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3372 states and 3715 transitions. [2020-10-24 01:39:42,429 INFO L78 Accepts]: Start accepts. Automaton has 3372 states and 3715 transitions. Word has length 248 [2020-10-24 01:39:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:42,430 INFO L481 AbstractCegarLoop]: Abstraction has 3372 states and 3715 transitions. [2020-10-24 01:39:42,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:39:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 3715 transitions. [2020-10-24 01:39:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-24 01:39:42,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:42,440 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:42,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:39:42,440 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:42,441 INFO L82 PathProgramCache]: Analyzing trace with hash 559833163, now seen corresponding path program 1 times [2020-10-24 01:39:42,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:42,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701928262] [2020-10-24 01:39:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:42,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:39:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:42,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 01:39:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-24 01:39:42,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701928262] [2020-10-24 01:39:42,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:42,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:39:42,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424696884] [2020-10-24 01:39:42,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:39:42,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:42,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:39:42,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:39:42,752 INFO L87 Difference]: Start difference. First operand 3372 states and 3715 transitions. Second operand 7 states. [2020-10-24 01:39:45,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:45,941 INFO L93 Difference]: Finished difference Result 5746 states and 6395 transitions. [2020-10-24 01:39:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 01:39:45,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 255 [2020-10-24 01:39:45,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:45,952 INFO L225 Difference]: With dead ends: 5746 [2020-10-24 01:39:45,952 INFO L226 Difference]: Without dead ends: 2557 [2020-10-24 01:39:45,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:39:45,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2020-10-24 01:39:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2401. [2020-10-24 01:39:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2401 states. [2020-10-24 01:39:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 2537 transitions. [2020-10-24 01:39:46,464 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 2537 transitions. Word has length 255 [2020-10-24 01:39:46,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:46,465 INFO L481 AbstractCegarLoop]: Abstraction has 2401 states and 2537 transitions. [2020-10-24 01:39:46,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:39:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2537 transitions. [2020-10-24 01:39:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-24 01:39:46,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:39:46,471 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:39:46,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:39:46,472 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:39:46,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:39:46,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1154641633, now seen corresponding path program 1 times [2020-10-24 01:39:46,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:39:46,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590479188] [2020-10-24 01:39:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:39:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:46,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:39:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:39:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:46,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:39:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:46,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-24 01:39:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:46,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-24 01:39:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:39:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 347 proven. 29 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-24 01:39:47,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590479188] [2020-10-24 01:39:47,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:39:47,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 01:39:47,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273708397] [2020-10-24 01:39:47,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 01:39:47,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:39:47,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 01:39:47,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:39:47,280 INFO L87 Difference]: Start difference. First operand 2401 states and 2537 transitions. Second operand 17 states. [2020-10-24 01:39:47,666 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-24 01:39:48,033 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2020-10-24 01:39:48,348 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-24 01:39:48,951 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-10-24 01:39:49,389 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-24 01:39:49,755 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-24 01:39:50,099 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-10-24 01:39:50,678 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-24 01:39:51,205 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2020-10-24 01:39:51,679 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-24 01:39:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:39:52,854 INFO L93 Difference]: Finished difference Result 4304 states and 4569 transitions. [2020-10-24 01:39:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-24 01:39:52,855 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 373 [2020-10-24 01:39:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:39:52,858 INFO L225 Difference]: With dead ends: 4304 [2020-10-24 01:39:52,858 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:39:52,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=413, Invalid=1147, Unknown=0, NotChecked=0, Total=1560 [2020-10-24 01:39:52,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:39:52,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:39:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:39:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:39:52,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-10-24 01:39:52,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:39:52,868 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:39:52,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 01:39:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:39:52,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:39:52,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 01:39:52,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:40:58,797 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:41:00,088 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 170 DAG size of output: 70 [2020-10-24 01:41:02,269 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:03,341 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 168 DAG size of output: 68 [2020-10-24 01:41:04,704 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:41:06,839 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:08,956 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:11,075 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:12,447 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:41:13,819 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:41:14,638 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:41:16,791 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:17,452 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:41:18,296 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 61 [2020-10-24 01:41:18,990 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 62 [2020-10-24 01:41:19,825 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2020-10-24 01:41:20,415 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-10-24 01:41:21,078 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:41:22,004 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 01:41:22,673 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:41:23,329 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:41:25,465 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:27,593 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:28,537 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2020-10-24 01:41:29,199 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:41:30,446 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:41:31,835 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:41:33,974 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:34,975 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 67 [2020-10-24 01:41:36,762 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 164 DAG size of output: 70 [2020-10-24 01:41:38,741 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:41:40,102 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 160 DAG size of output: 75 [2020-10-24 01:41:41,047 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-10-24 01:41:41,864 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-10-24 01:41:42,604 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2020-10-24 01:41:43,552 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 64 [2020-10-24 01:41:45,702 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:46,374 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:41:47,117 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2020-10-24 01:41:49,276 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:50,094 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-10-24 01:41:50,771 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:41:52,925 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:41:53,628 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-10-24 01:41:55,621 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:41:57,259 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2020-10-24 01:41:59,265 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:42:00,010 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2020-10-24 01:42:00,717 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:01,588 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 01:42:02,491 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 60 [2020-10-24 01:42:03,848 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2020-10-24 01:42:04,523 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:05,295 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-10-24 01:42:06,333 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-10-24 01:42:07,007 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:07,689 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:09,869 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:12,045 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:14,246 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:15,348 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-10-24 01:42:16,602 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 167 DAG size of output: 72 [2020-10-24 01:42:18,782 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:19,647 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 61 [2020-10-24 01:42:20,489 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:42:21,170 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:22,515 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2020-10-24 01:42:24,697 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:25,379 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:27,573 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:29,767 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:31,953 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:32,801 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:42:33,558 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2020-10-24 01:42:35,757 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:37,400 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-10-24 01:42:38,747 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 164 DAG size of output: 66 [2020-10-24 01:42:39,434 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:40,126 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:40,737 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-10-24 01:42:41,426 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:42,123 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:44,286 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:46,487 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:47,388 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2020-10-24 01:42:48,362 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2020-10-24 01:42:49,052 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:42:50,032 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2020-10-24 01:42:51,405 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-10-24 01:42:53,617 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:55,835 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:58,046 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:42:58,939 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-10-24 01:42:59,815 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:43:00,670 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:43:02,899 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:04,170 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:43:06,397 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:08,621 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:09,327 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:10,726 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2020-10-24 01:43:11,432 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:12,136 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:13,266 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2020-10-24 01:43:15,508 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:16,208 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:18,454 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:19,000 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:43:19,706 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:20,542 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 60 [2020-10-24 01:43:22,781 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:25,027 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:27,267 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:27,971 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:28,822 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 60 [2020-10-24 01:43:29,530 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:31,771 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:33,069 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:43:33,934 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:43:35,420 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:43:36,350 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:43:37,137 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2020-10-24 01:43:38,017 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:43:39,326 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 161 DAG size of output: 65 [2020-10-24 01:43:40,041 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:41,109 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 164 DAG size of output: 63 [2020-10-24 01:43:41,986 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 61 [2020-10-24 01:43:42,698 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:43,408 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:44,123 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:46,379 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:47,095 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:43:49,442 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:51,841 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:43:52,783 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 61 [2020-10-24 01:43:53,972 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2020-10-24 01:43:54,898 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-10-24 01:43:55,866 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 61 [2020-10-24 01:43:57,177 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2020-10-24 01:43:58,477 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2020-10-24 01:43:59,324 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2020-10-24 01:44:00,449 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2020-10-24 01:44:01,333 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-10-24 01:44:02,078 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:02,963 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:44:03,876 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:44:06,267 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:07,198 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:44:09,601 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:10,518 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:44:11,773 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 157 DAG size of output: 65 [2020-10-24 01:44:12,594 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-10-24 01:44:13,333 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:15,664 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:16,422 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:17,302 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2020-10-24 01:44:18,017 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:20,316 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:21,241 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:44:23,536 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:24,411 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-10-24 01:44:26,720 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:29,081 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:30,670 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:44:33,047 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:34,401 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:44:35,767 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:44:37,139 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:44:39,498 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:40,438 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:44:42,791 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:43,542 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:44,405 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-10-24 01:44:45,143 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:47,463 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:48,202 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:48,941 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:44:49,919 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2020-10-24 01:44:52,249 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:54,589 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:55,489 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 60 [2020-10-24 01:44:57,827 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:44:58,737 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:45:01,064 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:03,421 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:05,847 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:06,639 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2020-10-24 01:45:07,362 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:45:09,620 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:10,411 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2020-10-24 01:45:12,649 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:13,664 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 63 [2020-10-24 01:45:14,302 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2020-10-24 01:45:15,023 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:45:16,090 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 160 DAG size of output: 64 [2020-10-24 01:45:16,908 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2020-10-24 01:45:17,623 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:45:18,345 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:45:19,090 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-10-24 01:45:19,990 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 61 [2020-10-24 01:45:20,704 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:45:21,501 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-10-24 01:45:22,456 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-10-24 01:45:24,534 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:45:25,339 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2020-10-24 01:45:26,751 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2020-10-24 01:45:27,580 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2020-10-24 01:45:28,377 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2020-10-24 01:45:30,477 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:45:32,563 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:45:33,365 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2020-10-24 01:45:34,354 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-10-24 01:45:35,684 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 161 DAG size of output: 65 [2020-10-24 01:45:36,228 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:45:36,950 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:45:38,023 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 164 DAG size of output: 63 [2020-10-24 01:45:38,813 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:45:39,471 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-10-24 01:45:41,747 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:44,025 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:44,908 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-10-24 01:45:47,190 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:49,452 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:45:50,416 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 64 [2020-10-24 01:45:52,516 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:45:54,620 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:45:55,907 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-10-24 01:45:56,810 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:45:59,095 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:01,378 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:03,671 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:04,571 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:46:05,894 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:46:06,806 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:46:09,108 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:10,001 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:46:10,634 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2020-10-24 01:46:11,487 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-10-24 01:46:12,223 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:12,952 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:13,684 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:14,412 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:15,153 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:15,886 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:16,627 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:17,417 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:46:18,392 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2020-10-24 01:46:19,670 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2020-10-24 01:46:20,822 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 168 DAG size of output: 70 [2020-10-24 01:46:21,735 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:46:24,036 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:25,434 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 170 DAG size of output: 69 [2020-10-24 01:46:26,340 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 62 [2020-10-24 01:46:28,467 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:46:29,359 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 01:46:30,816 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-10-24 01:46:31,605 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:32,340 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:33,167 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2020-10-24 01:46:34,199 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 115 DAG size of output: 65 [2020-10-24 01:46:34,935 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:35,676 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:37,605 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 164 DAG size of output: 70 [2020-10-24 01:46:38,342 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:39,236 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 62 [2020-10-24 01:46:41,542 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:43,844 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:44,588 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:46,895 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:47,638 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:49,954 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:51,016 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2020-10-24 01:46:51,767 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:52,864 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2020-10-24 01:46:53,610 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:54,553 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 61 [2020-10-24 01:46:56,880 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:46:57,630 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:46:58,373 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:00,691 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:47:01,442 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:03,765 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:47:04,956 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 114 DAG size of output: 64 [2020-10-24 01:47:05,703 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:08,043 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:47:09,026 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-10-24 01:47:09,768 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:10,526 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:11,510 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-10-24 01:47:12,335 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2020-10-24 01:47:13,797 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2020-10-24 01:47:14,547 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:16,317 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2020-10-24 01:47:17,382 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-10-24 01:47:18,138 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:18,893 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:20,847 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 164 DAG size of output: 70 [2020-10-24 01:47:21,593 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:22,356 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:23,435 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2020-10-24 01:47:24,196 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:25,043 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-10-24 01:47:27,223 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:47:27,409 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2020-10-24 01:47:29,574 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:47:30,510 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:47:31,682 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2020-10-24 01:47:32,825 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2020-10-24 01:47:33,582 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:35,002 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 167 DAG size of output: 62 [2020-10-24 01:47:35,762 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:36,936 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 113 DAG size of output: 64 [2020-10-24 01:47:37,885 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 61 [2020-10-24 01:47:39,099 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 161 DAG size of output: 69 [2020-10-24 01:47:40,005 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 60 [2020-10-24 01:47:40,770 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:41,525 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:43,870 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:47:44,805 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 61 [2020-10-24 01:47:45,569 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:47:47,940 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:47:50,292 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:47:51,423 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 164 DAG size of output: 63 [2020-10-24 01:47:53,785 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:47:55,168 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:47:56,104 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:47:57,488 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:47:59,842 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:01,239 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:48:03,595 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:05,963 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:06,894 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:48:09,274 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:11,644 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:13,037 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:48:14,471 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2020-10-24 01:48:15,235 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:48:16,114 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-10-24 01:48:16,884 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:48:17,823 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:48:20,200 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:22,577 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:23,507 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 63 [2020-10-24 01:48:25,903 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:28,279 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:29,679 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:48:31,087 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:48:32,497 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:48:34,880 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:48:35,462 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:48:36,046 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:48:36,632 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:48:37,254 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:48:48,946 WARN L193 SmtUtils]: Spent 11.68 s on a formula simplification. DAG size of input: 315 DAG size of output: 157 [2020-10-24 01:48:57,403 WARN L193 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 315 DAG size of output: 159 [2020-10-24 01:48:59,827 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:01,041 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2020-10-24 01:49:01,985 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 60 [2020-10-24 01:49:04,399 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:05,283 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2020-10-24 01:49:07,695 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:08,477 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:49:09,524 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-10-24 01:49:11,929 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:14,354 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:15,147 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:49:17,022 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2020-10-24 01:49:17,829 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:49:19,051 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2020-10-24 01:49:20,481 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2020-10-24 01:49:21,414 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2020-10-24 01:49:22,858 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-10-24 01:49:23,662 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:49:24,542 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2020-10-24 01:49:25,740 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 119 DAG size of output: 62 [2020-10-24 01:49:27,992 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:49:30,427 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:32,867 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:34,030 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2020-10-24 01:49:36,472 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:37,447 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:49:39,902 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:42,355 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:44,820 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:49:45,798 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 62 [2020-10-24 01:49:47,441 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:49:48,586 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 119 DAG size of output: 67 [2020-10-24 01:49:50,868 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:49:51,677 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:49:52,481 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:49:53,388 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:49:54,281 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-10-24 01:49:55,277 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 01:49:56,840 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 167 DAG size of output: 64 [2020-10-24 01:49:57,650 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:49:59,287 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 165 DAG size of output: 66 [2020-10-24 01:50:00,555 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2020-10-24 01:50:01,608 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 113 DAG size of output: 60 [2020-10-24 01:50:02,215 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:50:02,811 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:50:03,410 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:50:04,218 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:05,222 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 01:50:06,026 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:07,069 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-10-24 01:50:09,346 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:50:10,615 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2020-10-24 01:50:11,462 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 49 [2020-10-24 01:50:13,763 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 200 DAG size of output: 75 [2020-10-24 01:50:16,272 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:17,083 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:17,902 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:18,716 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:19,940 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2020-10-24 01:50:20,754 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:23,240 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:24,378 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2020-10-24 01:50:26,868 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:29,359 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:30,444 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2020-10-24 01:50:31,645 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 164 DAG size of output: 63 [2020-10-24 01:50:33,304 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:50:34,762 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:50:37,239 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:38,361 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 116 DAG size of output: 60 [2020-10-24 01:50:39,178 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:40,264 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2020-10-24 01:50:42,758 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:45,239 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:46,058 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:47,137 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2020-10-24 01:50:47,948 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:48,763 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:50,068 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 164 DAG size of output: 65 [2020-10-24 01:50:50,888 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:50:52,296 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2020-10-24 01:50:54,208 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-10-24 01:50:55,298 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-10-24 01:50:56,182 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2020-10-24 01:50:58,693 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:50:59,890 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 164 DAG size of output: 63 [2020-10-24 01:51:00,706 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:01,528 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:02,347 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:03,165 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:04,230 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 01:51:06,740 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:51:07,845 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 158 DAG size of output: 65 [2020-10-24 01:51:10,342 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:51:11,169 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:11,986 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:14,508 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:51:15,581 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-10-24 01:51:16,776 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-10-24 01:51:18,090 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2020-10-24 01:51:20,861 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:51:23,602 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 205 DAG size of output: 81 [2020-10-24 01:51:25,208 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:51:26,569 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-10-24 01:51:27,762 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 114 DAG size of output: 64 [2020-10-24 01:51:28,428 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 54 [2020-10-24 01:51:29,809 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 161 DAG size of output: 69 [2020-10-24 01:51:30,686 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:31,588 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:32,473 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:33,314 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:34,478 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 118 DAG size of output: 62 [2020-10-24 01:51:35,377 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:37,150 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2020-10-24 01:51:38,040 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:38,918 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2020-10-24 01:51:40,215 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-10-24 01:51:42,863 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 205 DAG size of output: 81