/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_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:24:37,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:24:37,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:24:37,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:24:37,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:24:37,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:24:37,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:24:37,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:24:37,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:24:37,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:24:37,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:24:37,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:24:37,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:24:37,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:24:37,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:24:37,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:24:37,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:24:37,981 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 01:24:38,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:24:38,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:24:38,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:24:38,009 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:24:38,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:24:38,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:24:38,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:24:38,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:24:38,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:24:38,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:24:38,011 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:24:38,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:24:38,012 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:24:38,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:24:38,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:24:38,013 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:24:38,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:24:38,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:24:38,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:24:38,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:24:38,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:24:38,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:24:38,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:24:38,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:24:38,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:24:38,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:24:38,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:24:38,459 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:24:38,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-10-24 01:24:38,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda718e8c/be307946f2874971b745226520841243/FLAGce0d7980a [2020-10-24 01:24:39,294 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:24:39,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-10-24 01:24:39,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda718e8c/be307946f2874971b745226520841243/FLAGce0d7980a [2020-10-24 01:24:39,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda718e8c/be307946f2874971b745226520841243 [2020-10-24 01:24:39,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:24:39,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:24:39,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:24:39,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:24:39,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:24:39,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:24:39" (1/1) ... [2020-10-24 01:24:39,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a4bd77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:39, skipping insertion in model container [2020-10-24 01:24:39,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:24:39" (1/1) ... [2020-10-24 01:24:39,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:24:39,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:24:40,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:24:40,075 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:24:40,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:24:40,237 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:24:40,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40 WrapperNode [2020-10-24 01:24:40,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:24:40,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:24:40,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:24:40,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:24:40,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (1/1) ... [2020-10-24 01:24:40,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:24:40,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:24:40,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:24:40,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:24:40,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (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 01:24:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:24:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:24:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:24:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:24:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:24:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:24:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:24:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:24:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:24:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:24:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:24:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:24:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:24:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:24:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:24:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:24:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:24:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:24:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:24:41,782 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:24:41,782 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:24:41,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:24:41 BoogieIcfgContainer [2020-10-24 01:24:41,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:24:41,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:24:41,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:24:41,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:24:41,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:24:39" (1/3) ... [2020-10-24 01:24:41,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d45043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:24:41, skipping insertion in model container [2020-10-24 01:24:41,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:24:40" (2/3) ... [2020-10-24 01:24:41,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d45043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:24:41, skipping insertion in model container [2020-10-24 01:24:41,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:24:41" (3/3) ... [2020-10-24 01:24:41,796 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-10-24 01:24:41,809 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:24:41,815 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:24:41,829 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:24:41,864 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:24:41,865 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:24:41,865 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:24:41,865 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:24:41,865 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:24:41,865 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:24:41,865 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:24:41,866 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:24:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:24:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-24 01:24:41,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:41,950 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:24:41,950 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:41,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:41,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1205275684, now seen corresponding path program 1 times [2020-10-24 01:24:41,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:41,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645751944] [2020-10-24 01:24:41,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:42,697 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 01:24:42,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645751944] [2020-10-24 01:24:42,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:24:42,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:24:42,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039710704] [2020-10-24 01:24:42,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:24:42,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:42,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:24:42,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:24:42,728 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-10-24 01:24:45,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:24:45,423 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-10-24 01:24:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:24:45,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-24 01:24:45,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:24:45,446 INFO L225 Difference]: With dead ends: 1218 [2020-10-24 01:24:45,446 INFO L226 Difference]: Without dead ends: 636 [2020-10-24 01:24:45,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:24:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-24 01:24:45,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-10-24 01:24:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-24 01:24:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-10-24 01:24:45,676 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 150 [2020-10-24 01:24:45,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:24:45,677 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-10-24 01:24:45,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:24:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-10-24 01:24:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-24 01:24:45,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:45,683 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 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 01:24:45,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:24:45,683 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:45,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:45,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1718717095, now seen corresponding path program 1 times [2020-10-24 01:24:45,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:45,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070982372] [2020-10-24 01:24:45,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:45,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:24:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:24:46,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070982372] [2020-10-24 01:24:46,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:24:46,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:24:46,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388036630] [2020-10-24 01:24:46,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:24:46,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:46,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:24:46,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:24:46,075 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-10-24 01:24:48,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:24:48,858 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-10-24 01:24:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:24:48,859 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-10-24 01:24:48,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:24:48,868 INFO L225 Difference]: With dead ends: 1701 [2020-10-24 01:24:48,868 INFO L226 Difference]: Without dead ends: 1109 [2020-10-24 01:24:48,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 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 01:24:48,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-24 01:24:49,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-10-24 01:24:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-10-24 01:24:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-10-24 01:24:49,034 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 176 [2020-10-24 01:24:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:24:49,035 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-10-24 01:24:49,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:24:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-10-24 01:24:49,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-24 01:24:49,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:49,041 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 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 01:24:49,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:24:49,041 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:49,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:49,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1927064837, now seen corresponding path program 1 times [2020-10-24 01:24:49,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:49,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191249] [2020-10-24 01:24:49,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:49,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:24:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:24:49,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191249] [2020-10-24 01:24:49,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:24:49,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:24:49,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9661642] [2020-10-24 01:24:49,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:24:49,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:49,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:24:49,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:24:49,310 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-10-24 01:24:49,497 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:24:49,903 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-24 01:24:53,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:24:53,487 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-10-24 01:24:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:24:53,487 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 184 [2020-10-24 01:24:53,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:24:53,503 INFO L225 Difference]: With dead ends: 2764 [2020-10-24 01:24:53,503 INFO L226 Difference]: Without dead ends: 1912 [2020-10-24 01:24:53,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:24:53,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-10-24 01:24:53,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1833. [2020-10-24 01:24:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2020-10-24 01:24:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2368 transitions. [2020-10-24 01:24:53,930 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2368 transitions. Word has length 184 [2020-10-24 01:24:53,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:24:53,931 INFO L481 AbstractCegarLoop]: Abstraction has 1833 states and 2368 transitions. [2020-10-24 01:24:53,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:24:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2368 transitions. [2020-10-24 01:24:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-24 01:24:53,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:53,940 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 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 01:24:53,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:24:53,941 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:53,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:53,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1201447352, now seen corresponding path program 1 times [2020-10-24 01:24:53,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:53,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510563895] [2020-10-24 01:24:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:54,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:54,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:24:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:24:54,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510563895] [2020-10-24 01:24:54,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:24:54,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:24:54,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280977182] [2020-10-24 01:24:54,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:24:54,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:54,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:24:54,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:24:54,207 INFO L87 Difference]: Start difference. First operand 1833 states and 2368 transitions. Second operand 7 states. [2020-10-24 01:24:57,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:24:57,226 INFO L93 Difference]: Finished difference Result 4685 states and 6427 transitions. [2020-10-24 01:24:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:24:57,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-10-24 01:24:57,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:24:57,257 INFO L225 Difference]: With dead ends: 4685 [2020-10-24 01:24:57,257 INFO L226 Difference]: Without dead ends: 2882 [2020-10-24 01:24:57,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 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 01:24:57,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-10-24 01:24:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2774. [2020-10-24 01:24:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2774 states. [2020-10-24 01:24:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3507 transitions. [2020-10-24 01:24:57,985 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3507 transitions. Word has length 188 [2020-10-24 01:24:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:24:57,986 INFO L481 AbstractCegarLoop]: Abstraction has 2774 states and 3507 transitions. [2020-10-24 01:24:57,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:24:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3507 transitions. [2020-10-24 01:24:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-24 01:24:57,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:24:57,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:24:57,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:24:57,999 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:24:57,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:24:57,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1851950919, now seen corresponding path program 1 times [2020-10-24 01:24:58,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:24:58,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591421824] [2020-10-24 01:24:58,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:24:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:58,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:24:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:24:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:58,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:24:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:24:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:24:58,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591421824] [2020-10-24 01:24:58,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:24:58,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:24:58,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836874806] [2020-10-24 01:24:58,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:24:58,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:24:58,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:24:58,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:24:58,627 INFO L87 Difference]: Start difference. First operand 2774 states and 3507 transitions. Second operand 13 states. [2020-10-24 01:25:00,141 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-24 01:25:02,649 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-24 01:25:05,634 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-10-24 01:25:05,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:05,670 INFO L93 Difference]: Finished difference Result 7969 states and 10278 transitions. [2020-10-24 01:25:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:25:05,676 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 206 [2020-10-24 01:25:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:05,707 INFO L225 Difference]: With dead ends: 7969 [2020-10-24 01:25:05,707 INFO L226 Difference]: Without dead ends: 4491 [2020-10-24 01:25:05,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2020-10-24 01:25:05,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2020-10-24 01:25:06,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 3586. [2020-10-24 01:25:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3586 states. [2020-10-24 01:25:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 4341 transitions. [2020-10-24 01:25:06,399 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 4341 transitions. Word has length 206 [2020-10-24 01:25:06,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:06,399 INFO L481 AbstractCegarLoop]: Abstraction has 3586 states and 4341 transitions. [2020-10-24 01:25:06,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:25:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 4341 transitions. [2020-10-24 01:25:06,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 01:25:06,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:06,414 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:06,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:25:06,414 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:06,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:06,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1902512032, now seen corresponding path program 1 times [2020-10-24 01:25:06,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:06,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551967479] [2020-10-24 01:25:06,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:25:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:25:06,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551967479] [2020-10-24 01:25:06,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:06,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:25:06,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972799619] [2020-10-24 01:25:06,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:25:06,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:06,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:25:06,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:25:06,665 INFO L87 Difference]: Start difference. First operand 3586 states and 4341 transitions. Second operand 7 states. [2020-10-24 01:25:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:10,730 INFO L93 Difference]: Finished difference Result 7806 states and 9402 transitions. [2020-10-24 01:25:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:25:10,731 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-24 01:25:10,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:10,798 INFO L225 Difference]: With dead ends: 7806 [2020-10-24 01:25:10,798 INFO L226 Difference]: Without dead ends: 3834 [2020-10-24 01:25:10,810 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 01:25:10,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2020-10-24 01:25:11,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3769. [2020-10-24 01:25:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3769 states. [2020-10-24 01:25:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 4331 transitions. [2020-10-24 01:25:11,605 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 4331 transitions. Word has length 218 [2020-10-24 01:25:11,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:11,606 INFO L481 AbstractCegarLoop]: Abstraction has 3769 states and 4331 transitions. [2020-10-24 01:25:11,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:25:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4331 transitions. [2020-10-24 01:25:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-24 01:25:11,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:11,622 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2020-10-24 01:25:11,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:25:11,623 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:11,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:11,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1903681943, now seen corresponding path program 1 times [2020-10-24 01:25:11,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:11,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473846423] [2020-10-24 01:25:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:11,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:11,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:25:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:11,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-24 01:25:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:11,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 01:25:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 158 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-24 01:25:11,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473846423] [2020-10-24 01:25:11,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:11,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:25:11,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073041969] [2020-10-24 01:25:11,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:25:11,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:11,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:25:11,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:25:11,921 INFO L87 Difference]: Start difference. First operand 3769 states and 4331 transitions. Second operand 7 states. [2020-10-24 01:25:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:15,326 INFO L93 Difference]: Finished difference Result 7576 states and 8755 transitions. [2020-10-24 01:25:15,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:25:15,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 290 [2020-10-24 01:25:15,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:15,348 INFO L225 Difference]: With dead ends: 7576 [2020-10-24 01:25:15,349 INFO L226 Difference]: Without dead ends: 4194 [2020-10-24 01:25:15,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 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 01:25:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4194 states. [2020-10-24 01:25:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4194 to 4038. [2020-10-24 01:25:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4038 states. [2020-10-24 01:25:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4038 states to 4038 states and 4562 transitions. [2020-10-24 01:25:16,360 INFO L78 Accepts]: Start accepts. Automaton has 4038 states and 4562 transitions. Word has length 290 [2020-10-24 01:25:16,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:16,360 INFO L481 AbstractCegarLoop]: Abstraction has 4038 states and 4562 transitions. [2020-10-24 01:25:16,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:25:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4038 states and 4562 transitions. [2020-10-24 01:25:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-24 01:25:16,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:16,374 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, 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, 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] [2020-10-24 01:25:16,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:25:16,374 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:16,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:16,375 INFO L82 PathProgramCache]: Analyzing trace with hash -827434322, now seen corresponding path program 1 times [2020-10-24 01:25:16,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:16,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057545634] [2020-10-24 01:25:16,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:25:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-24 01:25:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 139 proven. 42 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 01:25:16,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057545634] [2020-10-24 01:25:16,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:16,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 01:25:16,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954508995] [2020-10-24 01:25:16,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 01:25:16,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:16,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 01:25:16,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-24 01:25:16,763 INFO L87 Difference]: Start difference. First operand 4038 states and 4562 transitions. Second operand 9 states. [2020-10-24 01:25:20,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:20,038 INFO L93 Difference]: Finished difference Result 6555 states and 7375 transitions. [2020-10-24 01:25:20,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:25:20,039 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 298 [2020-10-24 01:25:20,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:20,051 INFO L225 Difference]: With dead ends: 6555 [2020-10-24 01:25:20,051 INFO L226 Difference]: Without dead ends: 2211 [2020-10-24 01:25:20,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2020-10-24 01:25:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2020-10-24 01:25:20,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2039. [2020-10-24 01:25:20,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2039 states. [2020-10-24 01:25:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2203 transitions. [2020-10-24 01:25:20,752 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2203 transitions. Word has length 298 [2020-10-24 01:25:20,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:20,752 INFO L481 AbstractCegarLoop]: Abstraction has 2039 states and 2203 transitions. [2020-10-24 01:25:20,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 01:25:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2203 transitions. [2020-10-24 01:25:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-24 01:25:20,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:20,763 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:20,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:25:20,763 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:20,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:20,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1475396120, now seen corresponding path program 1 times [2020-10-24 01:25:20,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:20,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152468368] [2020-10-24 01:25:20,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:20,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:20,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-24 01:25:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:20,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-24 01:25:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 275 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-24 01:25:21,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152468368] [2020-10-24 01:25:21,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:21,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:25:21,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263369754] [2020-10-24 01:25:21,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:25:21,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:21,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:25:21,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:25:21,201 INFO L87 Difference]: Start difference. First operand 2039 states and 2203 transitions. Second operand 8 states. [2020-10-24 01:25:22,012 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-24 01:25:24,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:24,581 INFO L93 Difference]: Finished difference Result 3728 states and 4028 transitions. [2020-10-24 01:25:24,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:25:24,581 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 342 [2020-10-24 01:25:24,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:24,599 INFO L225 Difference]: With dead ends: 3728 [2020-10-24 01:25:24,600 INFO L226 Difference]: Without dead ends: 2197 [2020-10-24 01:25:24,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:25:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2020-10-24 01:25:25,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 2181. [2020-10-24 01:25:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2020-10-24 01:25:25,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2340 transitions. [2020-10-24 01:25:25,084 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2340 transitions. Word has length 342 [2020-10-24 01:25:25,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:25,085 INFO L481 AbstractCegarLoop]: Abstraction has 2181 states and 2340 transitions. [2020-10-24 01:25:25,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:25:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2340 transitions. [2020-10-24 01:25:25,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-24 01:25:25,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:25:25,091 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:25,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:25:25,091 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:25:25,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:25:25,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2118046593, now seen corresponding path program 1 times [2020-10-24 01:25:25,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:25:25,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695467319] [2020-10-24 01:25:25,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:25:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:25:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:25,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:25:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:25,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:25:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:25,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 01:25:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:25,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-24 01:25:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:25:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 209 proven. 83 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-24 01:25:25,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695467319] [2020-10-24 01:25:25,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:25:25,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:25:25,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343053418] [2020-10-24 01:25:25,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:25:25,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:25:25,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:25:25,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:25:25,505 INFO L87 Difference]: Start difference. First operand 2181 states and 2340 transitions. Second operand 8 states. [2020-10-24 01:25:28,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:25:28,265 INFO L93 Difference]: Finished difference Result 4639 states and 5025 transitions. [2020-10-24 01:25:28,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-24 01:25:28,265 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 363 [2020-10-24 01:25:28,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:25:28,269 INFO L225 Difference]: With dead ends: 4639 [2020-10-24 01:25:28,269 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:25:28,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-24 01:25:28,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:25:28,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:25:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:25:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:25:28,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-10-24 01:25:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:25:28,279 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:25:28,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:25:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:25:28,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:25:28,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 01:25:28,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:25:29,483 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-10-24 01:25:45,508 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2020-10-24 01:26:16,713 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 168 [2020-10-24 01:26:35,708 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:26:36,353 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-10-24 01:26:38,912 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:26:40,400 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2020-10-24 01:26:41,125 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:26:43,686 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:26:46,245 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:26:48,788 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:26:49,517 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:26:50,235 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:26:50,953 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:26:53,480 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:26:54,030 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:26:54,696 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:26:55,420 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 76 [2020-10-24 01:26:56,282 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-10-24 01:26:56,959 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-10-24 01:26:57,501 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:26:58,407 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2020-10-24 01:26:58,953 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:26:59,495 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:27:01,987 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:04,466 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:05,440 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-10-24 01:27:05,981 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:27:06,729 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:27:07,450 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:27:10,003 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:27:10,738 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2020-10-24 01:27:11,930 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 155 DAG size of output: 81 [2020-10-24 01:27:14,438 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:15,327 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 76 [2020-10-24 01:27:16,003 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2020-10-24 01:27:16,740 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:27:17,355 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-10-24 01:27:18,324 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-10-24 01:27:20,829 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:21,380 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:27:21,995 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:27:24,483 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:25,220 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:27:25,768 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:27:28,271 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:28,960 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2020-10-24 01:27:30,167 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2020-10-24 01:27:32,689 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:35,200 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:35,836 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:27:37,038 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-10-24 01:27:37,698 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-10-24 01:27:38,416 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-10-24 01:27:39,589 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2020-10-24 01:27:40,146 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:27:40,772 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-10-24 01:27:41,499 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-10-24 01:27:42,050 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:27:42,602 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:27:45,191 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:47,715 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:50,251 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:50,964 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2020-10-24 01:27:51,608 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-10-24 01:27:54,136 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:27:54,820 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:27:55,588 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:27:56,391 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:27:58,983 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:27:59,725 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:28:02,310 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:28:04,897 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:28:07,513 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:28:08,263 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:28:08,912 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:28:11,444 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:28:12,886 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:28:14,323 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 162 DAG size of output: 82 [2020-10-24 01:28:14,891 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:15,454 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:16,154 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2020-10-24 01:28:16,721 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:17,287 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:19,825 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:28:22,374 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:28:23,022 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-10-24 01:28:23,713 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-10-24 01:28:24,275 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:24,952 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:28:26,461 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 148 DAG size of output: 79 [2020-10-24 01:28:29,076 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:28:31,682 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:28:34,236 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:28:35,145 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:28:35,892 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:28:36,625 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:28:39,246 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:28:39,987 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:28:42,611 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:28:45,238 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:28:45,809 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:47,041 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:28:47,610 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:48,181 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:49,126 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 74 [2020-10-24 01:28:51,709 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:28:52,274 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:54,846 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:28:55,445 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:28:56,013 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:28:57,024 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:28:59,627 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:02,229 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:04,811 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:05,389 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:06,410 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:29:06,990 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:09,646 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:29:10,405 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:11,164 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:11,923 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:12,692 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-10-24 01:29:13,646 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:29:14,622 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2020-10-24 01:29:15,509 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 77 [2020-10-24 01:29:16,086 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:17,054 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:29:17,761 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:29:18,340 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:19,012 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:29:19,587 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:22,171 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:22,751 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:25,349 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:27,944 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:28,680 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2020-10-24 01:29:29,338 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-10-24 01:29:30,530 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2020-10-24 01:29:31,233 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:29:31,927 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:29:32,808 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2020-10-24 01:29:33,445 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:29:34,027 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:34,738 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 72 [2020-10-24 01:29:35,320 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:36,088 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:36,854 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:39,528 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:29:40,298 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:42,974 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:29:43,750 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:44,487 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2020-10-24 01:29:45,153 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-10-24 01:29:45,736 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:48,355 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:48,931 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:49,829 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:29:50,413 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:29:53,015 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:29:53,788 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:29:56,466 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:29:59,150 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:29:59,939 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:30:02,637 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:30:03,402 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:30:06,083 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:30:06,881 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:30:07,684 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:30:08,492 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:30:11,185 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:30:11,955 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:30:14,662 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:30:15,252 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:15,897 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:30:16,487 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:19,120 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:19,702 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:20,301 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:20,973 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:30:23,631 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:26,265 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:27,356 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:30:29,997 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:30,805 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:30:33,511 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:30:36,223 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:30:38,944 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:39,928 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:30:40,521 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:43,163 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:44,137 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:30:46,791 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:47,904 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 152 DAG size of output: 77 [2020-10-24 01:30:48,587 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-10-24 01:30:49,173 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:49,767 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:50,417 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-10-24 01:30:51,100 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:30:51,699 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:52,475 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-10-24 01:30:53,242 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 74 [2020-10-24 01:30:53,842 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:30:54,523 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-10-24 01:30:55,207 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-10-24 01:30:57,869 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:30:58,531 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-10-24 01:30:59,383 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-10-24 01:31:00,038 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-10-24 01:31:00,705 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-10-24 01:31:03,355 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:06,006 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:06,966 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-10-24 01:31:08,009 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 108 DAG size of output: 76 [2020-10-24 01:31:09,053 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 155 DAG size of output: 77 [2020-10-24 01:31:09,682 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:31:10,281 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:31:11,288 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:31:11,932 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:31:12,681 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-10-24 01:31:15,354 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:18,012 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:18,698 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:31:21,370 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:24,042 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:24,779 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:31:27,454 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:28,234 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 76 [2020-10-24 01:31:30,918 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:31:31,711 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:31:34,458 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:31:37,212 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:31:39,963 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:31:40,797 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:31:41,595 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:31:42,392 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:31:45,153 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:31:45,977 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:31:46,682 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-10-24 01:31:47,352 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-10-24 01:31:47,955 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:31:48,642 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-10-24 01:31:49,247 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:31:49,850 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:31:50,455 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:31:51,065 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:31:51,674 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:31:52,673 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:31:53,660 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2020-10-24 01:31:55,040 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 146 DAG size of output: 74 [2020-10-24 01:31:57,043 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 157 DAG size of output: 80 [2020-10-24 01:31:57,870 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:32:00,630 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:32:01,677 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-10-24 01:32:02,337 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-10-24 01:32:03,095 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2020-10-24 01:32:05,798 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:07,911 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 152 DAG size of output: 81 [2020-10-24 01:32:09,235 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-10-24 01:32:09,842 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:10,505 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:32:11,250 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:32:11,858 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:12,477 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:13,777 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 155 DAG size of output: 81 [2020-10-24 01:32:14,387 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:15,162 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-10-24 01:32:17,864 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:20,616 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:21,231 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:23,950 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:26,769 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:32:27,404 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:28,274 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-10-24 01:32:28,887 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:29,500 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:30,185 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2020-10-24 01:32:30,940 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:32:33,668 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:34,289 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:34,908 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:37,631 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:38,239 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:40,978 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:42,107 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-10-24 01:32:42,744 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:45,457 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:32:46,508 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-10-24 01:32:47,265 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-10-24 01:32:47,951 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-10-24 01:32:48,685 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-10-24 01:32:49,358 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:32:50,912 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 162 DAG size of output: 82 [2020-10-24 01:32:51,539 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:52,852 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2020-10-24 01:32:53,609 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-10-24 01:32:54,917 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-10-24 01:32:55,543 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:56,852 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 155 DAG size of output: 81 [2020-10-24 01:32:57,472 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:58,097 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:32:58,945 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2020-10-24 01:32:59,563 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:00,285 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-10-24 01:33:03,031 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:33:03,188 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2020-10-24 01:33:05,929 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:33:06,719 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 74 [2020-10-24 01:33:08,065 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2020-10-24 01:33:08,690 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:09,316 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:10,284 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 79 [2020-10-24 01:33:10,905 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:12,011 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-10-24 01:33:12,772 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:33:13,396 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:14,494 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:33:15,261 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-10-24 01:33:15,878 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:18,632 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:33:19,451 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:33:20,071 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:23,003 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:25,759 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:33:26,815 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:33:29,665 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:30,520 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:33:31,367 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:33:32,219 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:33:35,061 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:35,883 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:33:38,719 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:41,571 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:42,389 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:33:45,232 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:48,061 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:48,924 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:33:49,765 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-10-24 01:33:50,397 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:51,134 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-10-24 01:33:51,761 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:33:52,606 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:33:55,456 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:33:58,216 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:33:59,193 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-10-24 01:34:01,966 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:34:04,816 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:34:05,648 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:34:06,278 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:34:06,906 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:34:07,761 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:34:10,609 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:34:11,283 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:34:11,946 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:34:12,611 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:34:13,314 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:34:31,099 WARN L193 SmtUtils]: Spent 17.78 s on a formula simplification. DAG size of input: 313 DAG size of output: 170 [2020-10-24 01:34:49,031 WARN L193 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 313 DAG size of output: 170 [2020-10-24 01:34:51,864 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:34:53,547 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-10-24 01:34:54,696 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-10-24 01:34:57,522 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:34:58,215 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:35:01,046 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:01,710 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:35:02,776 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:35:05,619 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:08,432 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:09,719 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2020-10-24 01:35:11,085 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2020-10-24 01:35:11,744 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:35:13,132 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2020-10-24 01:35:15,256 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 157 DAG size of output: 80 [2020-10-24 01:35:16,265 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2020-10-24 01:35:17,015 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-10-24 01:35:17,665 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:35:18,376 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-10-24 01:35:19,155 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 76 [2020-10-24 01:35:22,012 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:24,841 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:27,673 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:28,324 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:35:31,173 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:32,052 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:35:34,966 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:35:37,886 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:35:40,794 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:35:41,660 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:35:42,513 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:35:43,799 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2020-10-24 01:35:46,654 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:35:47,743 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-10-24 01:35:48,408 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:35:49,151 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-10-24 01:35:49,892 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-10-24 01:35:50,658 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-10-24 01:35:51,969 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 153 DAG size of output: 71 [2020-10-24 01:35:52,624 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:35:53,997 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 158 DAG size of output: 80 [2020-10-24 01:35:55,195 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-10-24 01:35:56,002 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-10-24 01:35:56,695 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:35:57,393 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:35:58,090 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:35:59,166 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-10-24 01:35:59,945 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-10-24 01:36:00,607 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:01,452 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-10-24 01:36:04,304 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:05,146 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2020-10-24 01:36:05,984 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 74 [2020-10-24 01:36:08,857 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:11,768 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:12,430 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:13,084 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:13,743 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:14,712 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2020-10-24 01:36:15,364 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:18,239 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:19,035 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:36:21,975 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:36:24,836 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:25,588 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:36:26,694 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:36:27,547 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:36:28,437 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:36:31,419 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:36:32,599 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-10-24 01:36:33,263 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:34,037 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-10-24 01:36:36,922 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:39,822 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:40,488 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:41,325 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2020-10-24 01:36:41,973 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:42,635 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:43,715 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 151 DAG size of output: 76 [2020-10-24 01:36:44,376 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:45,416 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 147 DAG size of output: 74 [2020-10-24 01:36:47,096 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:36:47,923 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2020-10-24 01:36:49,019 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:36:51,894 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:36:53,031 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:36:53,703 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:54,374 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:55,053 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:56,131 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-10-24 01:36:56,799 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:36:59,684 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:37:00,486 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 72 [2020-10-24 01:37:03,475 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:37:04,151 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:04,822 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:07,737 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:37:08,798 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-10-24 01:37:09,900 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:37:10,811 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-10-24 01:37:13,783 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 188 DAG size of output: 88 [2020-10-24 01:37:16,678 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:37:17,574 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:37:18,395 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-10-24 01:37:19,207 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2020-10-24 01:37:19,910 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 66 [2020-10-24 01:37:20,582 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:21,252 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:21,925 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:22,593 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:23,271 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:24,520 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-10-24 01:37:25,193 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:26,627 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-10-24 01:37:27,295 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-24 01:37:28,384 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 147 DAG size of output: 73 [2020-10-24 01:37:29,302 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 74 [2020-10-24 01:37:32,183 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 190 DAG size of output: 85 [2020-10-24 01:37:33,338 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-10-24 01:37:34,137 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-10-24 01:37:35,120 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-10-24 01:37:36,005 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 70 [2020-10-24 01:37:39,000 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 188 DAG size of output: 88