/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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:57:17,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:57:17,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:57:17,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:57:17,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:57:17,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:57:17,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:57:17,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:57:17,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:57:17,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:57:17,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:57:17,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:57:17,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:57:17,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:57:17,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:57:17,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:57:17,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:57:17,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:57:17,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:57:17,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:57:17,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:57:17,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:57:17,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:57:17,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:57:17,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:57:17,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:57:17,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:57:17,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:57:17,453 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 05:57:17,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:57:17,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:57:17,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:57:17,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:57:17,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:57:17,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:57:17,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:57:17,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:57:17,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:57:17,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:57:17,485 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:57:17,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:57:17,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:57:17,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:57:17,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:57:17,487 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:57:17,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:57:17,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:57:17,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:57:17,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:57:17,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:57:17,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:57:17,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:57:17,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:57:17,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:57:17,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:57:17,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:57:17,974 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:57:17,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-11-07 05:57:18,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6f0478c/a6d14fa91f874675bc48f1273b0cf01b/FLAGbea7897be [2020-11-07 05:57:18,810 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:57:18,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-11-07 05:57:18,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6f0478c/a6d14fa91f874675bc48f1273b0cf01b/FLAGbea7897be [2020-11-07 05:57:19,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b6f0478c/a6d14fa91f874675bc48f1273b0cf01b [2020-11-07 05:57:19,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:57:19,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:57:19,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:57:19,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:57:19,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:57:19,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36988f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19, skipping insertion in model container [2020-11-07 05:57:19,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:57:19,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:57:19,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:57:19,574 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:57:19,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:57:19,753 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:57:19,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19 WrapperNode [2020-11-07 05:57:19,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:57:19,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:57:19,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:57:19,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:57:19,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (1/1) ... [2020-11-07 05:57:19,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:57:19,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:57:19,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:57:19,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:57:19,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (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 05:57:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:57:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:57:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:57:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:57:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:57:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:57:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:57:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:57:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:57:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:57:21,316 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:57:21,317 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:57:21,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:57:21 BoogieIcfgContainer [2020-11-07 05:57:21,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:57:21,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:57:21,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:57:21,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:57:21,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:57:19" (1/3) ... [2020-11-07 05:57:21,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a544edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:57:21, skipping insertion in model container [2020-11-07 05:57:21,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:57:19" (2/3) ... [2020-11-07 05:57:21,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a544edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:57:21, skipping insertion in model container [2020-11-07 05:57:21,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:57:21" (3/3) ... [2020-11-07 05:57:21,329 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2020-11-07 05:57:21,347 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:57:21,352 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:57:21,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:57:21,419 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:57:21,420 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:57:21,420 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:57:21,420 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:57:21,420 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:57:21,420 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:57:21,420 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:57:21,420 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:57:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:57:21,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 05:57:21,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:21,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:57:21,478 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:21,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:21,485 INFO L82 PathProgramCache]: Analyzing trace with hash 646682619, now seen corresponding path program 1 times [2020-11-07 05:57:21,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:21,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248561281] [2020-11-07 05:57:21,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:22,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:22,226 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 05:57:22,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248561281] [2020-11-07 05:57:22,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:57:22,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 05:57:22,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629459936] [2020-11-07 05:57:22,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 05:57:22,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:22,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 05:57:22,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 05:57:22,256 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 4 states. [2020-11-07 05:57:22,458 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:57:25,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:25,091 INFO L93 Difference]: Finished difference Result 1219 states and 1666 transitions. [2020-11-07 05:57:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:57:25,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-11-07 05:57:25,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:25,138 INFO L225 Difference]: With dead ends: 1219 [2020-11-07 05:57:25,139 INFO L226 Difference]: Without dead ends: 637 [2020-11-07 05:57:25,149 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 05:57:25,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-11-07 05:57:25,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 624. [2020-11-07 05:57:25,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-11-07 05:57:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 760 transitions. [2020-11-07 05:57:25,367 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 760 transitions. Word has length 167 [2020-11-07 05:57:25,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:25,369 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 760 transitions. [2020-11-07 05:57:25,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 05:57:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 760 transitions. [2020-11-07 05:57:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-07 05:57:25,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:25,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:57:25,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:57:25,378 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:25,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:25,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1659307516, now seen corresponding path program 1 times [2020-11-07 05:57:25,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:25,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202833593] [2020-11-07 05:57:25,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:25,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:25,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:25,746 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 05:57:25,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202833593] [2020-11-07 05:57:25,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:57:25,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:57:25,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807544836] [2020-11-07 05:57:25,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:57:25,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:25,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:57:25,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:57:25,751 INFO L87 Difference]: Start difference. First operand 624 states and 760 transitions. Second operand 8 states. [2020-11-07 05:57:25,949 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:57:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:30,040 INFO L93 Difference]: Finished difference Result 1906 states and 2489 transitions. [2020-11-07 05:57:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:57:30,040 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-11-07 05:57:30,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:30,053 INFO L225 Difference]: With dead ends: 1906 [2020-11-07 05:57:30,053 INFO L226 Difference]: Without dead ends: 1312 [2020-11-07 05:57:30,058 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 05:57:30,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-11-07 05:57:30,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1248. [2020-11-07 05:57:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2020-11-07 05:57:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1550 transitions. [2020-11-07 05:57:30,337 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1550 transitions. Word has length 201 [2020-11-07 05:57:30,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:30,337 INFO L481 AbstractCegarLoop]: Abstraction has 1248 states and 1550 transitions. [2020-11-07 05:57:30,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:57:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1550 transitions. [2020-11-07 05:57:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-11-07 05:57:30,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:30,345 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, 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 05:57:30,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:57:30,346 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:30,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:30,347 INFO L82 PathProgramCache]: Analyzing trace with hash 579556094, now seen corresponding path program 1 times [2020-11-07 05:57:30,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:30,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128666020] [2020-11-07 05:57:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:30,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:30,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:30,812 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 05:57:30,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128666020] [2020-11-07 05:57:30,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:57:30,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:57:30,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875254987] [2020-11-07 05:57:30,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:57:30,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:30,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:57:30,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:57:30,833 INFO L87 Difference]: Start difference. First operand 1248 states and 1550 transitions. Second operand 7 states. [2020-11-07 05:57:31,078 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:57:34,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:34,608 INFO L93 Difference]: Finished difference Result 3492 states and 4485 transitions. [2020-11-07 05:57:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:57:34,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-11-07 05:57:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:34,630 INFO L225 Difference]: With dead ends: 3492 [2020-11-07 05:57:34,630 INFO L226 Difference]: Without dead ends: 2274 [2020-11-07 05:57:34,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:57:34,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-11-07 05:57:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2157. [2020-11-07 05:57:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-11-07 05:57:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2640 transitions. [2020-11-07 05:57:35,085 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2640 transitions. Word has length 202 [2020-11-07 05:57:35,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:35,086 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 2640 transitions. [2020-11-07 05:57:35,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:57:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2640 transitions. [2020-11-07 05:57:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 05:57:35,096 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:35,096 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:57:35,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:57:35,097 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:35,097 INFO L82 PathProgramCache]: Analyzing trace with hash -707573754, now seen corresponding path program 1 times [2020-11-07 05:57:35,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:35,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475560239] [2020-11-07 05:57:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:35,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:35,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:35,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:57:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:35,776 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 05:57:35,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475560239] [2020-11-07 05:57:35,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:35,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:57:35,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670315134] [2020-11-07 05:57:35,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:57:35,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:35,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:57:35,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:57:35,781 INFO L87 Difference]: Start difference. First operand 2157 states and 2640 transitions. Second operand 13 states. [2020-11-07 05:57:37,127 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-07 05:57:39,270 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-07 05:57:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:41,999 INFO L93 Difference]: Finished difference Result 7498 states and 9620 transitions. [2020-11-07 05:57:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:57:41,999 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2020-11-07 05:57:42,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:42,032 INFO L225 Difference]: With dead ends: 7498 [2020-11-07 05:57:42,033 INFO L226 Difference]: Without dead ends: 3978 [2020-11-07 05:57:42,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:57:42,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2020-11-07 05:57:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3544. [2020-11-07 05:57:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2020-11-07 05:57:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4271 transitions. [2020-11-07 05:57:42,847 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4271 transitions. Word has length 223 [2020-11-07 05:57:42,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:42,848 INFO L481 AbstractCegarLoop]: Abstraction has 3544 states and 4271 transitions. [2020-11-07 05:57:42,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:57:42,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4271 transitions. [2020-11-07 05:57:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-07 05:57:42,863 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:42,864 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, 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 05:57:42,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:57:42,864 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:42,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:42,865 INFO L82 PathProgramCache]: Analyzing trace with hash 294882418, now seen corresponding path program 1 times [2020-11-07 05:57:42,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:42,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369724182] [2020-11-07 05:57:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:43,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:43,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:43,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:57:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:43,194 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 05:57:43,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369724182] [2020-11-07 05:57:43,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:43,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:57:43,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057415179] [2020-11-07 05:57:43,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:57:43,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:43,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:57:43,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:57:43,198 INFO L87 Difference]: Start difference. First operand 3544 states and 4271 transitions. Second operand 9 states. [2020-11-07 05:57:47,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:47,266 INFO L93 Difference]: Finished difference Result 7480 states and 9205 transitions. [2020-11-07 05:57:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:57:47,273 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 234 [2020-11-07 05:57:47,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:47,303 INFO L225 Difference]: With dead ends: 7480 [2020-11-07 05:57:47,303 INFO L226 Difference]: Without dead ends: 3966 [2020-11-07 05:57:47,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-11-07 05:57:47,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2020-11-07 05:57:48,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3615. [2020-11-07 05:57:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3615 states. [2020-11-07 05:57:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4192 transitions. [2020-11-07 05:57:48,124 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4192 transitions. Word has length 234 [2020-11-07 05:57:48,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:48,125 INFO L481 AbstractCegarLoop]: Abstraction has 3615 states and 4192 transitions. [2020-11-07 05:57:48,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:57:48,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4192 transitions. [2020-11-07 05:57:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-11-07 05:57:48,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:48,138 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, 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 05:57:48,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:57:48,138 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:48,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:48,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1494989153, now seen corresponding path program 1 times [2020-11-07 05:57:48,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:48,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805080946] [2020-11-07 05:57:48,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:48,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:48,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:48,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:57:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:48,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-11-07 05:57:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:48,459 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 05:57:48,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805080946] [2020-11-07 05:57:48,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:48,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:57:48,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99047428] [2020-11-07 05:57:48,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:57:48,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:48,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:57:48,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:57:48,464 INFO L87 Difference]: Start difference. First operand 3615 states and 4192 transitions. Second operand 7 states. [2020-11-07 05:57:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:52,159 INFO L93 Difference]: Finished difference Result 7497 states and 8631 transitions. [2020-11-07 05:57:52,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:57:52,160 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-11-07 05:57:52,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:52,183 INFO L225 Difference]: With dead ends: 7497 [2020-11-07 05:57:52,183 INFO L226 Difference]: Without dead ends: 3527 [2020-11-07 05:57:52,197 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 05:57:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3527 states. [2020-11-07 05:57:53,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3527 to 3476. [2020-11-07 05:57:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3476 states. [2020-11-07 05:57:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 3833 transitions. [2020-11-07 05:57:53,011 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 3833 transitions. Word has length 256 [2020-11-07 05:57:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:53,012 INFO L481 AbstractCegarLoop]: Abstraction has 3476 states and 3833 transitions. [2020-11-07 05:57:53,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:57:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 3833 transitions. [2020-11-07 05:57:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-11-07 05:57:53,023 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:53,023 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:57:53,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:57:53,024 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:53,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:53,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1950449214, now seen corresponding path program 1 times [2020-11-07 05:57:53,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:53,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069281313] [2020-11-07 05:57:53,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:53,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:53,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:57:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:53,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-07 05:57:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-07 05:57:53,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069281313] [2020-11-07 05:57:53,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:57:53,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 05:57:53,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741104089] [2020-11-07 05:57:53,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 05:57:53,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:53,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 05:57:53,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:57:53,308 INFO L87 Difference]: Start difference. First operand 3476 states and 3833 transitions. Second operand 6 states. [2020-11-07 05:57:55,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:55,462 INFO L93 Difference]: Finished difference Result 4133 states and 4543 transitions. [2020-11-07 05:57:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 05:57:55,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 257 [2020-11-07 05:57:55,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:55,472 INFO L225 Difference]: With dead ends: 4133 [2020-11-07 05:57:55,473 INFO L226 Difference]: Without dead ends: 2031 [2020-11-07 05:57:55,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:57:55,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2020-11-07 05:57:55,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 2031. [2020-11-07 05:57:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2031 states. [2020-11-07 05:57:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2197 transitions. [2020-11-07 05:57:55,833 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2197 transitions. Word has length 257 [2020-11-07 05:57:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:55,834 INFO L481 AbstractCegarLoop]: Abstraction has 2031 states and 2197 transitions. [2020-11-07 05:57:55,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 05:57:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2197 transitions. [2020-11-07 05:57:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-11-07 05:57:55,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:55,844 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, 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 05:57:55,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:57:55,844 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:55,845 INFO L82 PathProgramCache]: Analyzing trace with hash -120316603, now seen corresponding path program 1 times [2020-11-07 05:57:55,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:55,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711271459] [2020-11-07 05:57:55,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:55,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:56,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:56,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:57:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 05:57:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:56,234 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 05:57:56,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711271459] [2020-11-07 05:57:56,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:56,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:57:56,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864585358] [2020-11-07 05:57:56,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:57:56,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:56,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:57:56,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:57:56,237 INFO L87 Difference]: Start difference. First operand 2031 states and 2197 transitions. Second operand 8 states. [2020-11-07 05:57:59,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:59,466 INFO L93 Difference]: Finished difference Result 4340 states and 4741 transitions. [2020-11-07 05:57:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 05:57:59,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 299 [2020-11-07 05:57:59,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:59,478 INFO L225 Difference]: With dead ends: 4340 [2020-11-07 05:57:59,479 INFO L226 Difference]: Without dead ends: 1605 [2020-11-07 05:57:59,486 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 05:57:59,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-11-07 05:57:59,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1605. [2020-11-07 05:57:59,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1605 states. [2020-11-07 05:57:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1661 transitions. [2020-11-07 05:57:59,926 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1661 transitions. Word has length 299 [2020-11-07 05:57:59,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:59,927 INFO L481 AbstractCegarLoop]: Abstraction has 1605 states and 1661 transitions. [2020-11-07 05:57:59,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:57:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1661 transitions. [2020-11-07 05:57:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-11-07 05:57:59,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:59,933 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, 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 05:57:59,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:57:59,934 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:59,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:59,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1242091876, now seen corresponding path program 1 times [2020-11-07 05:57:59,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:59,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661859708] [2020-11-07 05:57:59,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:58:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:58:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 05:58:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-11-07 05:58:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:58:00,477 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 05:58:00,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661859708] [2020-11-07 05:58:00,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:58:00,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:58:00,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10614432] [2020-11-07 05:58:00,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:58:00,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:58:00,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:58:00,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:58:00,483 INFO L87 Difference]: Start difference. First operand 1605 states and 1661 transitions. Second operand 10 states. [2020-11-07 05:58:03,505 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-07 05:58:04,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:58:04,578 INFO L93 Difference]: Finished difference Result 2249 states and 2343 transitions. [2020-11-07 05:58:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 05:58:04,579 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 341 [2020-11-07 05:58:04,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:58:04,581 INFO L225 Difference]: With dead ends: 2249 [2020-11-07 05:58:04,581 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:58:04,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:58:04,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:58:04,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:58:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:58:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:58:04,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2020-11-07 05:58:04,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:58:04,586 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:58:04,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:58:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:58:04,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:58:04,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:58:04,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:58:55,321 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 05:58:56,287 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-11-07 05:58:58,721 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 05:58:59,531 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2020-11-07 05:59:00,552 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 05:59:02,989 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 05:59:05,396 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 05:59:07,812 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 05:59:08,820 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 05:59:09,828 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 05:59:10,839 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 05:59:13,247 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 05:59:14,107 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 05:59:15,078 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 05:59:16,346 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 154 DAG size of output: 75 [2020-11-07 05:59:17,420 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-11-07 05:59:18,361 WARN L194 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2020-11-07 05:59:19,197 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 05:59:20,174 WARN L194 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2020-11-07 05:59:21,013 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 05:59:21,850 WARN L194 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 05:59:24,389 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 05:59:26,942 WARN L194 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 05:59:27,947 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-11-07 05:59:28,786 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 05:59:29,831 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 05:59:30,653 WARN L194 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 05:59:33,079 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 05:59:34,224 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2020-11-07 05:59:35,415 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2020-11-07 05:59:37,958 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 05:59:39,207 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 152 DAG size of output: 79 [2020-11-07 05:59:40,213 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-11-07 05:59:40,963 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-11-07 05:59:41,635 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-11-07 05:59:42,727 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2020-11-07 05:59:45,297 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 05:59:46,143 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 05:59:47,086 WARN L194 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2020-11-07 05:59:49,654 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 05:59:50,406 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-11-07 05:59:51,265 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 05:59:53,813 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 05:59:54,783 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-11-07 05:59:55,903 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2020-11-07 05:59:58,468 WARN L194 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:01,041 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:01,740 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-11-07 06:00:03,065 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 149 DAG size of output: 78 [2020-11-07 06:00:04,111 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 06:00:05,106 WARN L194 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 06:00:05,964 WARN L194 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:00:06,812 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2020-11-07 06:00:07,497 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-11-07 06:00:08,610 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2020-11-07 06:00:09,357 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2020-11-07 06:00:10,222 WARN L194 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:00:12,806 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:15,380 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:17,968 WARN L194 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:19,308 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 149 DAG size of output: 77 [2020-11-07 06:00:20,314 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-11-07 06:00:22,921 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:23,914 WARN L194 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 06:00:24,956 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:00:25,772 WARN L194 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-11-07 06:00:28,242 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:00:29,296 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:00:31,767 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:00:34,233 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:00:36,702 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:00:37,542 WARN L194 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:00:38,248 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2020-11-07 06:00:40,858 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:42,071 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 153 DAG size of output: 83 [2020-11-07 06:00:43,697 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2020-11-07 06:00:44,568 WARN L194 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:00:45,437 WARN L194 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:00:46,462 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2020-11-07 06:00:47,334 WARN L194 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:00:48,207 WARN L194 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:00:50,811 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:53,430 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:00:54,416 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-11-07 06:00:55,440 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2020-11-07 06:00:56,315 WARN L194 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:00:57,368 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-11-07 06:00:58,916 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 147 DAG size of output: 83 [2020-11-07 06:01:01,401 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:01:04,050 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:01:06,682 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:01:07,751 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-11-07 06:01:08,604 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:01:09,448 WARN L194 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:01:11,931 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:01:12,782 WARN L194 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:01:15,274 WARN L194 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:01:17,761 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:01:18,645 WARN L194 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:20,002 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 84 [2020-11-07 06:01:20,884 WARN L194 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:21,589 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-11-07 06:01:22,863 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2020-11-07 06:01:25,491 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:01:26,374 WARN L194 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:29,011 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:01:29,630 WARN L194 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:01:30,519 WARN L194 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:31,540 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 06:01:34,230 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:01:37,135 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:01:40,028 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:01:41,001 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:42,120 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 06:01:43,081 WARN L194 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:45,806 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:01:46,946 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:01:47,879 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:01:49,036 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:01:50,247 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2020-11-07 06:01:51,301 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-11-07 06:01:52,469 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-11-07 06:01:53,935 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 158 DAG size of output: 81 [2020-11-07 06:01:54,879 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:56,212 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-11-07 06:01:57,264 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 06:01:58,173 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:01:59,088 WARN L194 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:02:00,002 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:02:02,822 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:02:03,782 WARN L194 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:02:06,550 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:02:09,360 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:02:10,726 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 06:02:12,055 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2020-11-07 06:02:13,108 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-11-07 06:02:14,204 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 06:02:15,310 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2020-11-07 06:02:16,221 WARN L194 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-11-07 06:02:17,278 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-11-07 06:02:18,272 WARN L194 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:02:19,120 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2020-11-07 06:02:20,111 WARN L194 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:02:21,296 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:02:22,485 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:02:25,237 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:02:26,394 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:02:29,148 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:02:30,320 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:02:31,747 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2020-11-07 06:02:32,532 WARN L194 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2020-11-07 06:02:33,517 WARN L194 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:02:36,437 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:02:37,474 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-11-07 06:02:38,590 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-11-07 06:02:39,520 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:02:42,223 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:02:43,330 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:02:45,932 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:02:48,579 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:02:49,382 WARN L194 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-11-07 06:02:52,046 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:02:52,973 WARN L194 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:02:55,687 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:02:56,821 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:02:57,945 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:02:58,860 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:03:01,585 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:03:02,488 WARN L194 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:03:05,104 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:03:06,040 WARN L194 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:07,281 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 152 DAG size of output: 76 [2020-11-07 06:03:08,246 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:11,086 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:12,029 WARN L194 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:13,013 WARN L194 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:14,129 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-11-07 06:03:17,053 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:19,910 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:21,035 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 06:03:23,931 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:24,876 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:03:27,615 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:03:30,331 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:03:33,247 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:34,368 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-11-07 06:03:35,339 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:38,185 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:39,198 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 06:03:42,028 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:43,328 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 152 DAG size of output: 79 [2020-11-07 06:03:44,394 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-11-07 06:03:45,362 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:46,321 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:47,351 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-11-07 06:03:48,313 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:49,263 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:50,808 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 154 DAG size of output: 76 [2020-11-07 06:03:52,185 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-11-07 06:03:53,159 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:03:54,261 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2020-11-07 06:03:55,346 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-11-07 06:03:58,201 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:03:58,971 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-11-07 06:03:59,869 WARN L194 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2020-11-07 06:04:00,900 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 06:04:01,657 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-11-07 06:04:04,488 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:07,308 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:08,415 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 06:04:09,691 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2020-11-07 06:04:11,121 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 148 DAG size of output: 77 [2020-11-07 06:04:11,799 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:04:12,751 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:04:14,081 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-11-07 06:04:15,078 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 06:04:16,123 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2020-11-07 06:04:18,853 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:21,593 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:22,695 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-11-07 06:04:25,438 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:28,186 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:29,230 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-11-07 06:04:31,966 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:33,124 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-11-07 06:04:35,875 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:04:37,014 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:04:39,631 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:04:42,252 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:04:44,885 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:04:46,027 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:04:47,168 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:04:48,312 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:04:50,949 WARN L194 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:04:52,083 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:04:53,166 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-11-07 06:04:54,256 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2020-11-07 06:04:55,200 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:04:56,149 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:04:57,091 WARN L194 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:04:58,035 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:04:58,984 WARN L194 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:04:59,930 WARN L194 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:00,891 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:01,903 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 06:05:03,001 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-11-07 06:05:04,337 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 144 DAG size of output: 73 [2020-11-07 06:05:05,946 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-11-07 06:05:06,852 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:05:09,480 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:05:10,732 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-11-07 06:05:11,827 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 155 DAG size of output: 75 [2020-11-07 06:05:12,889 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-11-07 06:05:15,662 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:05:16,910 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 149 DAG size of output: 82 [2020-11-07 06:05:17,914 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:18,871 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:19,922 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-11-07 06:05:21,090 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-11-07 06:05:22,046 WARN L194 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:22,994 WARN L194 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:24,299 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2020-11-07 06:05:25,264 WARN L194 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:26,095 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 73 [2020-11-07 06:05:28,875 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:05:31,675 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:05:32,635 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:35,439 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:05:38,085 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:05:39,448 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2020-11-07 06:05:40,353 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2020-11-07 06:05:41,315 WARN L194 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:42,270 WARN L194 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:43,316 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2020-11-07 06:05:44,412 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 06:05:47,209 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:05:48,178 WARN L194 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:49,139 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:05:51,937 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:05:52,692 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-07 06:05:55,507 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:05:56,686 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2020-11-07 06:05:57,649 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:00,460 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:06:01,545 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-07 06:06:02,512 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:03,596 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2020-11-07 06:06:04,707 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-11-07 06:06:05,727 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-11-07 06:06:07,501 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2020-11-07 06:06:08,466 WARN L194 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:09,687 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2020-11-07 06:06:10,867 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-11-07 06:06:11,834 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:12,798 WARN L194 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:14,127 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2020-11-07 06:06:15,099 WARN L194 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:16,071 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:16,994 WARN L194 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2020-11-07 06:06:17,966 WARN L194 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:18,747 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2020-11-07 06:06:21,577 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:06:21,739 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2020-11-07 06:06:24,568 WARN L194 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:06:25,755 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 147 DAG size of output: 75 [2020-11-07 06:06:27,122 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2020-11-07 06:06:28,091 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:29,061 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:30,483 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 167 DAG size of output: 77 [2020-11-07 06:06:31,462 WARN L194 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:32,640 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2020-11-07 06:06:33,755 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 06:06:34,728 WARN L194 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:35,845 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 06:06:36,979 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2020-11-07 06:06:37,960 WARN L194 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:06:40,793 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:06:41,722 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:06:42,833 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2020-11-07 06:06:45,576 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:06:48,464 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:06:49,854 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-11-07 06:06:52,581 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:06:53,512 WARN L194 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:06:54,452 WARN L194 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:06:55,387 WARN L194 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:06:58,104 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:06:59,039 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:07:01,746 WARN L194 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:07:04,468 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:07:05,406 WARN L194 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:07:08,128 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:07:10,855 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:07:11,808 WARN L194 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:07:12,768 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2020-11-07 06:07:14,172 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2020-11-07 06:07:14,958 WARN L194 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2020-11-07 06:07:15,948 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:07:16,888 WARN L194 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:07:19,611 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:07:22,476 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:07:23,589 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-11-07 06:07:26,466 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:07:29,197 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:07:30,150 WARN L194 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:07:31,095 WARN L194 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:07:32,290 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:07:35,008 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:07:35,692 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:07:36,382 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:07:37,065 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:07:37,794 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:07:47,475 WARN L194 SmtUtils]: Spent 9.67 s on a formula simplification. DAG size of input: 250 DAG size of output: 149 [2020-11-07 06:07:57,193 WARN L194 SmtUtils]: Spent 9.67 s on a formula simplification. DAG size of input: 250 DAG size of output: 149 [2020-11-07 06:08:00,096 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:01,680 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2020-11-07 06:08:02,855 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-11-07 06:08:05,754 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:06,823 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-11-07 06:08:09,742 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:10,745 WARN L194 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:08:11,870 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-07 06:08:14,785 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:17,697 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:18,719 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:08:19,980 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2020-11-07 06:08:20,991 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:08:22,414 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2020-11-07 06:08:24,141 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-11-07 06:08:25,288 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-11-07 06:08:26,674 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 161 DAG size of output: 79 [2020-11-07 06:08:27,702 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:08:28,783 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-11-07 06:08:30,013 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-11-07 06:08:32,936 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:35,861 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:38,795 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:39,823 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:08:42,761 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:08:43,983 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:08:46,785 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:08:49,585 WARN L194 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:08:52,387 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:08:53,624 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2020-11-07 06:08:54,658 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:08:55,676 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:08:57,056 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2020-11-07 06:08:59,995 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:09:01,154 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2020-11-07 06:09:02,189 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:09:03,017 WARN L194 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-11-07 06:09:03,835 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-11-07 06:09:05,026 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-11-07 06:09:06,494 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 159 DAG size of output: 74 [2020-11-07 06:09:07,524 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:09:08,902 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 157 DAG size of output: 76 [2020-11-07 06:09:10,202 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2020-11-07 06:09:11,343 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-11-07 06:09:12,056 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:09:12,764 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:09:13,473 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 64 [2020-11-07 06:09:14,664 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-11-07 06:09:15,835 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2020-11-07 06:09:16,862 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:09:18,115 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2020-11-07 06:09:21,073 WARN L194 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:09:22,380 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2020-11-07 06:09:23,816 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 153 DAG size of output: 75 [2020-11-07 06:09:26,801 WARN L194 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:09:29,823 WARN L194 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:09:30,860 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:09:32,009 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-11-07 06:09:33,054 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:09:34,063 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 100 DAG size of output: 78 [2020-11-07 06:09:35,240 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2020-11-07 06:09:38,207 WARN L194 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:09:39,425 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-11-07 06:09:42,281 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:09:45,281 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:09:46,586 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2020-11-07 06:09:48,056 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2020-11-07 06:09:49,045 WARN L194 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:09:50,038 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-11-07 06:09:52,895 WARN L194 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 193 DAG size of output: 85 [2020-11-07 06:09:54,188 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2020-11-07 06:09:55,250 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:09:56,402 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2020-11-07 06:09:59,405 WARN L194 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:10:02,419 WARN L194 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 196 DAG size of output: 87 [2020-11-07 06:10:03,477 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:10:04,294 WARN L194 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-11-07 06:10:05,568 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-11-07 06:10:06,619 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:10:08,228 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2020-11-07 06:10:09,748 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 146 DAG size of output: 75 [2020-11-07 06:10:10,802 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2020-11-07 06:10:12,216 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 153 DAG size of output: 83 [2020-11-07 06:10:13,434 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2020-11-07 06:10:14,559 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 105 DAG size of output: 74