/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_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:55:27,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:55:27,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:55:27,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 05:55:27,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:55:27,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:55:27,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:55:27,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:55:27,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:55:27,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:55:27,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:55:27,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:55:27,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:55:27,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:55:27,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:55:27,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:55:27,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:55:27,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:55:27,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:55:27,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:55:27,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:55:27,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:55:27,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:55:27,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:55:27,291 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:55:27,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:55:27,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:55:27,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:55:27,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:55:27,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:55:27,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:55:27,292 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:55:27,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:55:27,293 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:55:27,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:55:27,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:55:27,293 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:55:27,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:55:27,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:55:27,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:55:27,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:55:27,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:55:27,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:55:27,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:55:27,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:55:27,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:55:27,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:55:27,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:55:27,725 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:55:27,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-11-07 05:55:27,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b056bf81/897c80dbbf864098b99677ca05f25c11/FLAGbf7011454 [2020-11-07 05:55:28,633 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:55:28,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-11-07 05:55:28,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b056bf81/897c80dbbf864098b99677ca05f25c11/FLAGbf7011454 [2020-11-07 05:55:28,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b056bf81/897c80dbbf864098b99677ca05f25c11 [2020-11-07 05:55:28,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:55:28,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:55:28,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:55:28,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:55:28,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:55:28,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:55:28" (1/1) ... [2020-11-07 05:55:28,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2468e284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:28, skipping insertion in model container [2020-11-07 05:55:28,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:55:28" (1/1) ... [2020-11-07 05:55:28,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:55:28,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:55:29,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:55:29,325 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:55:29,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:55:29,498 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:55:29,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29 WrapperNode [2020-11-07 05:55:29,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:55:29,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:55:29,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:55:29,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:55:29,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (1/1) ... [2020-11-07 05:55:29,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (1/1) ... [2020-11-07 05:55:29,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (1/1) ... [2020-11-07 05:55:29,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (1/1) ... [2020-11-07 05:55:29,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (1/1) ... [2020-11-07 05:55:29,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (1/1) ... [2020-11-07 05:55:29,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (1/1) ... [2020-11-07 05:55:29,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:55:29,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:55:29,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:55:29,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:55:29,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (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 [2020-11-07 05:55:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:55:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:55:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:55:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:55:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:55:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:55:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:55:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:55:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:55:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:55:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:55:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:55:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:55:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:55:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:55:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:55:31,203 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:55:31,203 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:55:31,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:55:31 BoogieIcfgContainer [2020-11-07 05:55:31,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:55:31,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:55:31,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:55:31,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:55:31,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:55:28" (1/3) ... [2020-11-07 05:55:31,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12644512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:55:31, skipping insertion in model container [2020-11-07 05:55:31,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:55:29" (2/3) ... [2020-11-07 05:55:31,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12644512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:55:31, skipping insertion in model container [2020-11-07 05:55:31,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:55:31" (3/3) ... [2020-11-07 05:55:31,216 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label32.c [2020-11-07 05:55:31,232 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:55:31,237 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:55:31,250 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:55:31,275 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:55:31,276 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:55:31,276 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:55:31,276 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:55:31,276 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:55:31,276 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:55:31,276 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:55:31,276 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:55:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:55:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-07 05:55:31,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:55:31,337 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] [2020-11-07 05:55:31,338 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:55:31,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:55:31,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1040963220, now seen corresponding path program 1 times [2020-11-07 05:55:31,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:55:31,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264045114] [2020-11-07 05:55:31,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:55:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:55:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:55:32,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264045114] [2020-11-07 05:55:32,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:55:32,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 05:55:32,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705913757] [2020-11-07 05:55:32,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 05:55:32,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:55:32,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 05:55:32,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 05:55:32,145 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 4 states. [2020-11-07 05:55:35,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:55:35,137 INFO L93 Difference]: Finished difference Result 1219 states and 1666 transitions. [2020-11-07 05:55:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:55:35,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2020-11-07 05:55:35,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:55:35,188 INFO L225 Difference]: With dead ends: 1219 [2020-11-07 05:55:35,188 INFO L226 Difference]: Without dead ends: 637 [2020-11-07 05:55:35,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:55:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-11-07 05:55:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 624. [2020-11-07 05:55:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-11-07 05:55:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 760 transitions. [2020-11-07 05:55:35,454 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 760 transitions. Word has length 144 [2020-11-07 05:55:35,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:55:35,456 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 760 transitions. [2020-11-07 05:55:35,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 05:55:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 760 transitions. [2020-11-07 05:55:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-07 05:55:35,463 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:55:35,464 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] [2020-11-07 05:55:35,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:55:35,464 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:55:35,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:55:35,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1817714051, now seen corresponding path program 1 times [2020-11-07 05:55:35,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:55:35,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067250117] [2020-11-07 05:55:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:55:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:35,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:55:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:55:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:55:35,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067250117] [2020-11-07 05:55:35,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:55:35,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:55:35,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789793157] [2020-11-07 05:55:35,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:55:35,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:55:35,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:55:35,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:55:35,888 INFO L87 Difference]: Start difference. First operand 624 states and 760 transitions. Second operand 8 states. [2020-11-07 05:55:36,907 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:55:40,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:55:40,125 INFO L93 Difference]: Finished difference Result 1906 states and 2489 transitions. [2020-11-07 05:55:40,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:55:40,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-11-07 05:55:40,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:55:40,142 INFO L225 Difference]: With dead ends: 1906 [2020-11-07 05:55:40,142 INFO L226 Difference]: Without dead ends: 1312 [2020-11-07 05:55:40,146 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 [2020-11-07 05:55:40,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-11-07 05:55:40,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1248. [2020-11-07 05:55:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2020-11-07 05:55:40,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1550 transitions. [2020-11-07 05:55:40,400 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1550 transitions. Word has length 178 [2020-11-07 05:55:40,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:55:40,401 INFO L481 AbstractCegarLoop]: Abstraction has 1248 states and 1550 transitions. [2020-11-07 05:55:40,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:55:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1550 transitions. [2020-11-07 05:55:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-07 05:55:40,408 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:55:40,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:55:40,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:55:40,409 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:55:40,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:55:40,410 INFO L82 PathProgramCache]: Analyzing trace with hash 698602953, now seen corresponding path program 1 times [2020-11-07 05:55:40,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:55:40,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846879546] [2020-11-07 05:55:40,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:55:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:40,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:55:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:40,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:55:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:55:40,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846879546] [2020-11-07 05:55:40,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:55:40,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:55:40,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201619494] [2020-11-07 05:55:40,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:55:40,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:55:40,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:55:40,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:55:40,712 INFO L87 Difference]: Start difference. First operand 1248 states and 1550 transitions. Second operand 7 states. [2020-11-07 05:55:44,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:55:44,421 INFO L93 Difference]: Finished difference Result 3492 states and 4485 transitions. [2020-11-07 05:55:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:55:44,421 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-11-07 05:55:44,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:55:44,441 INFO L225 Difference]: With dead ends: 3492 [2020-11-07 05:55:44,441 INFO L226 Difference]: Without dead ends: 2274 [2020-11-07 05:55:44,448 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 [2020-11-07 05:55:44,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-11-07 05:55:44,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2157. [2020-11-07 05:55:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-11-07 05:55:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2640 transitions. [2020-11-07 05:55:44,888 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2640 transitions. Word has length 179 [2020-11-07 05:55:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:55:44,888 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 2640 transitions. [2020-11-07 05:55:44,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:55:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2640 transitions. [2020-11-07 05:55:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-07 05:55:44,899 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:55:44,899 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] [2020-11-07 05:55:44,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:55:44,900 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:55:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:55:44,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1238952385, now seen corresponding path program 1 times [2020-11-07 05:55:44,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:55:44,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678784937] [2020-11-07 05:55:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:55:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:45,250 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:55:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:55:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:45,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:55:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:45,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:55:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-07 05:55:45,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678784937] [2020-11-07 05:55:45,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:55:45,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:55:45,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272607109] [2020-11-07 05:55:45,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:55:45,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:55:45,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:55:45,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:55:45,717 INFO L87 Difference]: Start difference. First operand 2157 states and 2640 transitions. Second operand 13 states. [2020-11-07 05:55:47,025 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-07 05:55:49,223 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-07 05:55:51,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:55:51,868 INFO L93 Difference]: Finished difference Result 7498 states and 9620 transitions. [2020-11-07 05:55:51,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:55:51,875 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 200 [2020-11-07 05:55:51,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:55:51,907 INFO L225 Difference]: With dead ends: 7498 [2020-11-07 05:55:51,907 INFO L226 Difference]: Without dead ends: 3978 [2020-11-07 05:55:51,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:55:51,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2020-11-07 05:55:52,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3544. [2020-11-07 05:55:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2020-11-07 05:55:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4271 transitions. [2020-11-07 05:55:52,666 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4271 transitions. Word has length 200 [2020-11-07 05:55:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:55:52,666 INFO L481 AbstractCegarLoop]: Abstraction has 3544 states and 4271 transitions. [2020-11-07 05:55:52,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:55:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4271 transitions. [2020-11-07 05:55:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-07 05:55:52,680 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:55:52,681 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:55:52,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:55:52,681 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:55:52,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:55:52,682 INFO L82 PathProgramCache]: Analyzing trace with hash 546975445, now seen corresponding path program 1 times [2020-11-07 05:55:52,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:55:52,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497239770] [2020-11-07 05:55:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:55:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:55:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:52,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:55:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:55:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:55:52,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497239770] [2020-11-07 05:55:52,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:55:52,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:55:52,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157506260] [2020-11-07 05:55:52,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:55:52,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:55:53,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:55:53,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:55:53,001 INFO L87 Difference]: Start difference. First operand 3544 states and 4271 transitions. Second operand 9 states. [2020-11-07 05:55:57,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:55:57,172 INFO L93 Difference]: Finished difference Result 7480 states and 9205 transitions. [2020-11-07 05:55:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:55:57,172 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-11-07 05:55:57,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:55:57,198 INFO L225 Difference]: With dead ends: 7480 [2020-11-07 05:55:57,198 INFO L226 Difference]: Without dead ends: 3785 [2020-11-07 05:55:57,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-11-07 05:55:57,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2020-11-07 05:55:58,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3739. [2020-11-07 05:55:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3739 states. [2020-11-07 05:55:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 4372 transitions. [2020-11-07 05:55:58,133 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 4372 transitions. Word has length 211 [2020-11-07 05:55:58,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:55:58,133 INFO L481 AbstractCegarLoop]: Abstraction has 3739 states and 4372 transitions. [2020-11-07 05:55:58,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:55:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 4372 transitions. [2020-11-07 05:55:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-11-07 05:55:58,147 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:55:58,147 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-11-07 05:55:58,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:55:58,148 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:55:58,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:55:58,148 INFO L82 PathProgramCache]: Analyzing trace with hash 914891462, now seen corresponding path program 1 times [2020-11-07 05:55:58,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:55:58,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042503686] [2020-11-07 05:55:58,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:55:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:55:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:58,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:55:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:55:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:58,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-11-07 05:55:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:55:58,487 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 89 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-07 05:55:58,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042503686] [2020-11-07 05:55:58,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:55:58,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:55:58,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179041659] [2020-11-07 05:55:58,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:55:58,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:55:58,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:55:58,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:55:58,492 INFO L87 Difference]: Start difference. First operand 3739 states and 4372 transitions. Second operand 7 states. [2020-11-07 05:56:02,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:02,289 INFO L93 Difference]: Finished difference Result 7575 states and 8836 transitions. [2020-11-07 05:56:02,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:56:02,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-11-07 05:56:02,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:02,315 INFO L225 Difference]: With dead ends: 7575 [2020-11-07 05:56:02,315 INFO L226 Difference]: Without dead ends: 3661 [2020-11-07 05:56:02,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:56:02,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3661 states. [2020-11-07 05:56:02,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3661 to 3618. [2020-11-07 05:56:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3618 states. [2020-11-07 05:56:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 4064 transitions. [2020-11-07 05:56:03,000 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 4064 transitions. Word has length 233 [2020-11-07 05:56:03,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:03,000 INFO L481 AbstractCegarLoop]: Abstraction has 3618 states and 4064 transitions. [2020-11-07 05:56:03,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:56:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4064 transitions. [2020-11-07 05:56:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-11-07 05:56:03,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:03,016 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:56:03,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:56:03,017 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:03,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:03,018 INFO L82 PathProgramCache]: Analyzing trace with hash -209103418, now seen corresponding path program 1 times [2020-11-07 05:56:03,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:03,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553314167] [2020-11-07 05:56:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:03,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:03,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:03,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:56:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:03,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-07 05:56:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:03,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 05:56:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 133 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-07 05:56:03,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553314167] [2020-11-07 05:56:03,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:03,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-11-07 05:56:03,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257804460] [2020-11-07 05:56:03,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 05:56:03,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:03,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 05:56:03,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:56:03,377 INFO L87 Difference]: Start difference. First operand 3618 states and 4064 transitions. Second operand 6 states. [2020-11-07 05:56:05,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:05,491 INFO L93 Difference]: Finished difference Result 4125 states and 4623 transitions. [2020-11-07 05:56:05,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 05:56:05,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2020-11-07 05:56:05,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:05,501 INFO L225 Difference]: With dead ends: 4125 [2020-11-07 05:56:05,501 INFO L226 Difference]: Without dead ends: 2027 [2020-11-07 05:56:05,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:56:05,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2020-11-07 05:56:05,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 2027. [2020-11-07 05:56:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2027 states. [2020-11-07 05:56:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2228 transitions. [2020-11-07 05:56:05,855 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2228 transitions. Word has length 263 [2020-11-07 05:56:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:05,855 INFO L481 AbstractCegarLoop]: Abstraction has 2027 states and 2228 transitions. [2020-11-07 05:56:05,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 05:56:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2228 transitions. [2020-11-07 05:56:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-11-07 05:56:05,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:05,865 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:56:05,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:56:05,865 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:05,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:05,866 INFO L82 PathProgramCache]: Analyzing trace with hash -567193758, now seen corresponding path program 1 times [2020-11-07 05:56:05,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:05,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311320975] [2020-11-07 05:56:05,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:06,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:06,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:06,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:56:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:06,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 05:56:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 130 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-07 05:56:06,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311320975] [2020-11-07 05:56:06,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:06,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:56:06,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344805004] [2020-11-07 05:56:06,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:56:06,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:06,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:56:06,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:56:06,199 INFO L87 Difference]: Start difference. First operand 2027 states and 2228 transitions. Second operand 8 states. [2020-11-07 05:56:08,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:08,951 INFO L93 Difference]: Finished difference Result 4180 states and 4612 transitions. [2020-11-07 05:56:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 05:56:08,952 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 276 [2020-11-07 05:56:08,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:08,960 INFO L225 Difference]: With dead ends: 4180 [2020-11-07 05:56:08,960 INFO L226 Difference]: Without dead ends: 1449 [2020-11-07 05:56:08,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-11-07 05:56:08,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2020-11-07 05:56:09,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1449. [2020-11-07 05:56:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2020-11-07 05:56:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1501 transitions. [2020-11-07 05:56:09,301 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1501 transitions. Word has length 276 [2020-11-07 05:56:09,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:09,301 INFO L481 AbstractCegarLoop]: Abstraction has 1449 states and 1501 transitions. [2020-11-07 05:56:09,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:56:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1501 transitions. [2020-11-07 05:56:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-11-07 05:56:09,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:09,309 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:56:09,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:56:09,309 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:09,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:09,310 INFO L82 PathProgramCache]: Analyzing trace with hash 637744107, now seen corresponding path program 1 times [2020-11-07 05:56:09,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:09,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809997033] [2020-11-07 05:56:09,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:09,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:09,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:09,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 05:56:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:09,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-11-07 05:56:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 126 proven. 24 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-11-07 05:56:09,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809997033] [2020-11-07 05:56:09,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:09,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:56:09,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124723773] [2020-11-07 05:56:09,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:56:09,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:09,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:56:09,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:56:09,793 INFO L87 Difference]: Start difference. First operand 1449 states and 1501 transitions. Second operand 10 states. [2020-11-07 05:56:10,036 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-07 05:56:13,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:13,275 INFO L93 Difference]: Finished difference Result 2091 states and 2179 transitions. [2020-11-07 05:56:13,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:56:13,276 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 318 [2020-11-07 05:56:13,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:13,278 INFO L225 Difference]: With dead ends: 2091 [2020-11-07 05:56:13,278 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:56:13,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:56:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:56:13,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:56:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:56:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:56:13,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2020-11-07 05:56:13,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:13,284 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:56:13,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:56:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:56:13,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:56:13,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:56:13,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:57:03,127 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:57:04,048 WARN L194 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 05:57:06,546 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:57:07,362 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:57:08,309 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:57:09,083 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:11,541 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:57:14,012 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:57:16,471 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:57:17,272 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:18,213 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:57:19,170 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:57:21,630 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:57:22,415 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:23,328 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 05:57:24,573 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 151 DAG size of output: 69 [2020-11-07 05:57:25,532 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-11-07 05:57:26,419 WARN L194 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:57:27,211 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:28,120 WARN L194 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-11-07 05:57:28,906 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:29,689 WARN L194 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:32,101 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:57:34,508 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:57:35,447 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-11-07 05:57:36,247 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:37,218 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:57:38,009 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 05:57:40,487 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:57:41,557 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 73 [2020-11-07 05:57:42,733 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2020-11-07 05:57:45,137 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:57:46,300 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 149 DAG size of output: 71 [2020-11-07 05:57:47,251 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:57:47,980 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2020-11-07 05:57:48,616 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-11-07 05:57:49,659 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-11-07 05:57:52,072 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:57:52,865 WARN L194 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:57:53,770 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2020-11-07 05:57:56,193 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:57:56,913 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2020-11-07 05:57:57,709 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:58:00,132 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:01,043 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 05:58:02,113 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 05:58:04,537 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:06,966 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:07,629 WARN L194 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 05:58:08,892 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-11-07 05:58:09,854 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2020-11-07 05:58:10,788 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2020-11-07 05:58:11,582 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:58:12,697 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-11-07 05:58:13,338 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-11-07 05:58:14,343 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:58:15,043 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 05:58:15,837 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:58:18,269 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:20,711 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:23,165 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:24,401 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 146 DAG size of output: 69 [2020-11-07 05:58:25,355 WARN L194 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-11-07 05:58:27,794 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:28,728 WARN L194 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 05:58:29,700 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:58:30,467 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 05:58:32,985 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:58:33,960 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:58:36,483 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:58:38,992 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:58:41,514 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:58:42,318 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 05:58:42,994 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 05:58:45,453 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:46,625 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 05:58:48,244 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 05:58:49,058 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:58:49,870 WARN L194 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:58:50,842 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:58:51,658 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:58:52,472 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:58:54,934 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:57,399 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:58:58,319 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-11-07 05:58:59,266 WARN L194 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-11-07 05:59:00,083 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:01,074 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-11-07 05:59:02,124 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 144 DAG size of output: 77 [2020-11-07 05:59:04,679 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:07,125 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:59:09,610 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:59:10,633 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-11-07 05:59:11,449 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 05:59:12,261 WARN L194 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 05:59:14,831 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:15,645 WARN L194 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 05:59:18,193 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:20,748 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:21,565 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:22,886 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 150 DAG size of output: 78 [2020-11-07 05:59:23,711 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:24,369 WARN L194 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-11-07 05:59:25,638 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 139 DAG size of output: 67 [2020-11-07 05:59:28,130 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:59:28,960 WARN L194 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:31,466 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:59:32,056 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 05:59:32,887 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:33,856 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-11-07 05:59:36,365 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:59:38,864 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:59:41,381 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 05:59:42,216 WARN L194 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:43,186 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 05:59:44,017 WARN L194 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:46,610 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 05:59:47,614 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:59:48,439 WARN L194 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 05:59:49,450 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 05:59:50,510 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 05:59:51,421 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-11-07 05:59:52,487 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 142 DAG size of output: 72 [2020-11-07 05:59:53,809 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 155 DAG size of output: 75 [2020-11-07 05:59:54,652 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:55,892 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-11-07 05:59:56,864 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-11-07 05:59:57,711 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:58,550 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 05:59:59,391 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:00:01,908 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:00:02,748 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:00:05,277 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:00:07,800 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:00:09,094 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 149 DAG size of output: 71 [2020-11-07 06:00:10,073 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-11-07 06:00:10,924 WARN L194 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2020-11-07 06:00:11,903 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 06:00:12,881 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-11-07 06:00:13,683 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 06:00:14,592 WARN L194 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2020-11-07 06:00:15,437 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:00:16,172 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:00:17,017 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:00:18,032 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:00:19,053 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:00:21,674 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:00:22,697 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:00:25,313 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:00:26,341 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:00:27,671 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 139 DAG size of output: 67 [2020-11-07 06:00:28,358 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2020-11-07 06:00:29,204 WARN L194 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:00:31,752 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:00:32,684 WARN L194 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 63 [2020-11-07 06:00:33,668 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2020-11-07 06:00:34,523 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:00:37,070 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:00:38,105 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:00:40,751 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:00:43,380 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:00:44,144 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2020-11-07 06:00:46,777 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:00:47,632 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:00:50,264 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:00:51,306 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:00:52,334 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:00:53,182 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:00:55,829 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:00:56,683 WARN L194 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:00:59,335 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:00,193 WARN L194 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:01,468 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-11-07 06:01:02,367 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:04,951 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:05,818 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:06,674 WARN L194 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:07,658 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2020-11-07 06:01:10,252 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:12,831 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:13,829 WARN L194 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-11-07 06:01:16,411 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:17,278 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:01:19,940 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:22,621 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:01:25,322 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:26,349 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2020-11-07 06:01:27,218 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:29,807 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:30,751 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-11-07 06:01:33,343 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:34,545 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-11-07 06:01:35,531 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 06:01:36,395 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:37,269 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:38,218 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2020-11-07 06:01:39,090 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:39,968 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:41,428 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 151 DAG size of output: 70 [2020-11-07 06:01:42,664 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 148 DAG size of output: 69 [2020-11-07 06:01:43,570 WARN L194 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:01:44,647 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-11-07 06:01:45,697 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-11-07 06:01:48,485 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:49,224 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-11-07 06:01:50,096 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 06:01:51,081 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2020-11-07 06:01:51,808 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-11-07 06:01:54,504 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:57,163 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:01:58,234 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2020-11-07 06:01:59,407 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2020-11-07 06:02:00,704 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 145 DAG size of output: 71 [2020-11-07 06:02:01,309 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:02:02,224 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:03,592 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-11-07 06:02:04,576 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2020-11-07 06:02:05,625 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-11-07 06:02:08,328 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:02:11,006 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:02:12,087 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2020-11-07 06:02:14,680 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:02:17,410 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:02:18,444 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-11-07 06:02:21,197 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:02:22,317 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-11-07 06:02:25,007 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:02:26,113 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:02:28,910 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:02:31,671 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:02:34,550 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:02:35,702 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:02:36,862 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:02:38,022 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:02:40,941 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:02:42,092 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:02:43,178 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2020-11-07 06:02:44,375 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-11-07 06:02:45,319 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:46,234 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:47,159 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:48,072 WARN L194 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:48,989 WARN L194 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:49,907 WARN L194 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:50,824 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:02:51,776 WARN L194 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2020-11-07 06:02:52,773 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-11-07 06:02:54,020 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 141 DAG size of output: 67 [2020-11-07 06:02:55,551 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-11-07 06:02:56,397 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:02:59,023 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:03:00,274 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-11-07 06:03:01,283 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-11-07 06:03:02,245 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-11-07 06:03:04,789 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:05,975 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 146 DAG size of output: 78 [2020-11-07 06:03:06,881 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:07,747 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:08,704 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-11-07 06:03:09,780 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-11-07 06:03:10,647 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:11,507 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:12,753 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2020-11-07 06:03:13,623 WARN L194 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:14,394 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 67 [2020-11-07 06:03:16,963 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:19,534 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:20,508 WARN L194 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 55 [2020-11-07 06:03:23,072 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:25,763 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:03:27,037 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 142 DAG size of output: 66 [2020-11-07 06:03:27,868 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-07 06:03:28,738 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:29,605 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:30,576 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2020-11-07 06:03:31,579 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 06:03:34,152 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:35,024 WARN L194 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:35,901 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:38,484 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:39,172 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-11-07 06:03:41,753 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:42,829 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-11-07 06:03:43,699 WARN L194 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:46,287 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:03:47,277 WARN L194 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-11-07 06:03:48,150 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:49,134 WARN L194 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2020-11-07 06:03:50,139 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-11-07 06:03:51,064 WARN L194 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-11-07 06:03:52,777 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 06:03:53,654 WARN L194 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:54,807 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 06:03:55,888 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-11-07 06:03:56,763 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:57,635 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:03:58,895 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2020-11-07 06:03:59,774 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:00,659 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:01,477 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-11-07 06:04:02,496 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2020-11-07 06:04:03,198 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-11-07 06:04:05,779 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:04:05,941 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2020-11-07 06:04:08,543 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:04:09,629 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 144 DAG size of output: 69 [2020-11-07 06:04:10,557 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2020-11-07 06:04:11,431 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:12,314 WARN L194 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:13,662 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 164 DAG size of output: 71 [2020-11-07 06:04:14,539 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:15,612 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-11-07 06:04:16,618 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-11-07 06:04:17,496 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:18,513 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 06:04:19,540 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2020-11-07 06:04:20,421 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:23,001 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:04:23,862 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:04:24,853 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2020-11-07 06:04:27,558 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:30,160 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:04:31,444 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-11-07 06:04:34,136 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:35,002 WARN L194 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:04:35,873 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:04:36,743 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:04:39,422 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:40,294 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:04:42,983 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:45,683 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:46,555 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:04:49,253 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:51,944 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:04:52,818 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:04:53,623 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-11-07 06:04:54,917 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 142 DAG size of output: 66 [2020-11-07 06:04:55,634 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-11-07 06:04:56,525 WARN L194 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:04:57,393 WARN L194 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:05:00,098 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:05:02,730 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:05:03,733 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2020-11-07 06:05:06,373 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:05:09,072 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:05:09,950 WARN L194 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:05:10,841 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:05:11,913 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:05:14,604 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:05:15,240 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:05:15,874 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:05:16,504 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:05:17,172 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:05:26,756 WARN L194 SmtUtils]: Spent 9.58 s on a formula simplification. DAG size of input: 242 DAG size of output: 147 [2020-11-07 06:05:36,418 WARN L194 SmtUtils]: Spent 9.62 s on a formula simplification. DAG size of input: 242 DAG size of output: 147 [2020-11-07 06:05:39,123 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:05:40,712 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-11-07 06:05:41,869 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-11-07 06:05:44,792 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:05:45,864 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-11-07 06:05:48,769 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:05:49,730 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:05:50,853 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-11-07 06:05:53,725 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:05:56,609 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:05:57,577 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:05:58,874 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 06:05:59,867 WARN L194 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:06:00,843 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2020-11-07 06:06:02,536 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-11-07 06:06:03,616 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-11-07 06:06:04,974 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 158 DAG size of output: 73 [2020-11-07 06:06:05,915 WARN L194 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:06:06,882 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2020-11-07 06:06:08,025 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-11-07 06:06:10,859 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:06:13,740 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:06:16,631 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:06:17,600 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:06:20,431 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:06:21,591 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:06:24,525 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:06:27,421 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:06:30,306 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:06:31,444 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:06:32,573 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:06:33,888 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 06:06:36,696 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:06:37,786 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 91 DAG size of output: 63 [2020-11-07 06:06:38,735 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:06:39,508 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 06:06:40,268 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-11-07 06:06:41,372 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-11-07 06:06:42,828 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-11-07 06:06:43,792 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:06:45,052 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-11-07 06:06:46,253 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-11-07 06:06:47,283 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-11-07 06:06:47,927 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:06:48,575 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:06:49,219 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:06:50,321 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-11-07 06:06:51,371 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-11-07 06:06:52,294 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:06:53,425 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 06:06:56,127 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:06:57,286 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2020-11-07 06:06:58,521 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2020-11-07 06:07:01,209 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:03,943 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:04,863 WARN L194 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:05,883 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-11-07 06:07:06,807 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:07,680 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-11-07 06:07:08,725 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2020-11-07 06:07:11,421 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:12,524 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-11-07 06:07:15,281 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:17,965 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:19,152 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-11-07 06:07:20,501 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-11-07 06:07:21,424 WARN L194 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:07:22,338 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-11-07 06:07:25,129 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:07:26,295 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2020-11-07 06:07:27,218 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:28,222 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2020-11-07 06:07:30,917 WARN L194 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:33,625 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:34,551 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:35,714 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 06:07:36,439 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-11-07 06:07:37,376 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:38,739 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 06:07:40,142 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 06:07:41,081 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:42,376 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-11-07 06:07:43,464 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-11-07 06:07:44,463 WARN L194 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 06:07:47,193 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:48,544 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-11-07 06:07:49,478 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:50,413 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:51,347 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:52,284 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:07:53,461 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-11-07 06:07:56,189 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:07:57,371 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:08:00,088 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:08:01,024 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:08:01,958 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:08:04,678 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:08:05,862 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 06:08:06,944 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-11-07 06:08:07,833 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-07 06:08:10,656 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-11-07 06:08:13,401 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-11-07 06:08:14,525 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-11-07 06:08:15,667 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2020-11-07 06:08:16,725 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2020-11-07 06:08:17,393 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-11-07 06:08:18,339 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:08:19,284 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:08:20,235 WARN L194 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-11-07 06:08:20,969 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63